Arbo · 13F Signal Engine

Insider

Form 4/4-A open-market insider transactions (officers, directors, 10% owners) · 335 transactions

Table I (non-derivative) transactions only -- common stock bought, sold, awarded, exercised, or tax-withheld. Covers this app's full ticker Universe (backfilled INSIDER_LOOKBACK_QUARTERS quarters back, continuously monitored) plus whatever the market-wide discovery has found beyond it. Informational only: never summed into the core flow ranking.

Ticker	Insider	Role	Type	Date	Shares	Price	Value	Notes	Filing
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Sale	2026-08-10	980	$99.17	$97,182	Disposed (10,886 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Sale	2026-08-07	1,800	$102.01	$183,618	Disposed (4,910 owned after)	EDGAR
PNW	Sims Paula J	Director	Award	2026-05-14	1,665	$99.77	$166,117	Acquired (11,032 owned after)	EDGAR
PNW	SPENCE WILLIAM H	Director	Award	2026-05-14	1,665	$99.77	$166,117	Acquired (6,291 owned after)	EDGAR
PNW	Tetlow Jacob	—	Sale	2026-05-13	41	$99.01	$4,059	Disposed (6,634 owned after)	EDGAR
PNW	Tetlow Jacob	—	Sale	2026-05-13	6,526	$99.00	$646,074	Disposed (6,675 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2026-03-18	7,880	$100.92	$795,250	Disposed (13,201 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Award	2026-03-18	2,781	—	—	Acquired (7,225 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Disposition	2026-03-18	327	$100.92	$33,001	Disposed (6,898 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Tax withholding	2026-03-18	1,052	$100.92	$106,168	Disposed (5,846 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Disposition	2026-03-18	373	$100.92	$37,643	Disposed (12,599 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Tax withholding	2026-03-18	1,402	$100.92	$141,490	Disposed (6,648 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Disposition	2026-03-18	443	$100.92	$44,708	Disposed (8,050 owned after)	EDGAR
PNW	Tetlow Jacob	—	Award	2026-03-18	20,879	—	—	Acquired (23,571 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2026-03-18	6,704	$100.92	$676,568	Disposed (29,053 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Award	2026-03-18	3,098	—	—	Acquired (12,972 owned after)	EDGAR
PNW	Heflin Adam C	—	Tax withholding	2026-03-18	8,364	$100.92	$844,095	Disposed (39,471 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Disposition	2026-03-18	2,160	$100.92	$217,987	Disposed (35,757 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Award	2026-03-18	18,177	—	—	Acquired (37,917 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Tax withholding	2026-03-18	733	$100.92	$73,974	Disposed (11,866 owned after)	EDGAR
PNW	Heflin Adam C	—	Award	2026-03-18	22,157	—	—	Acquired (50,477 owned after)	EDGAR
PNW	Heflin Adam C	—	Disposition	2026-03-18	2,642	$100.92	$266,631	Disposed (47,835 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Award	2026-03-18	3,712	—	—	Acquired (8,493 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Award	2026-03-18	24,287	—	—	Acquired (24,287 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Disposition	2026-03-18	2,897	$100.92	$292,365	Disposed (21,390 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Tax withholding	2026-03-18	8,954	$100.92	$903,638	Disposed (12,436 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Gift	2026-03-18	12,436	—	—	Disposed (0 owned after)	EDGAR
PNW	Tetlow Jacob	—	Disposition	2026-03-18	2,490	$100.92	$251,291	Disposed (21,081 owned after)	EDGAR
PNW	Heflin Adam C	—	Disposition	2026-02-20	47	$98.34	$4,622	Disposed (28,446 owned after)	EDGAR
PNW	Heflin Adam C	—	Tax withholding	2026-02-20	326	$98.34	$32,059	Disposed (28,120 owned after)	EDGAR
PNW	Bauer Christopher R.	VP and Treasurer	Option exercise	2026-02-20	272	—	—	Acquired (402 owned after)	EDGAR
PNW	Bauer Christopher R.	VP and Treasurer	Disposition	2026-02-20	17	$98.34	$1,672	Disposed (385 owned after)	EDGAR
PNW	Bauer Christopher R.	VP and Treasurer	Tax withholding	2026-02-20	81	$98.34	$7,966	Disposed (304 owned after)	EDGAR
PNW	Bauer Christopher R.	VP and Treasurer	Option exercise	2026-02-20	291	—	—	Acquired (595 owned after)	EDGAR
PNW	Bauer Christopher R.	VP and Treasurer	Disposition	2026-02-20	12	$98.34	$1,180	Disposed (583 owned after)	EDGAR
PNW	Bauer Christopher R.	VP and Treasurer	Tax withholding	2026-02-20	89	$98.34	$8,752	Disposed (494 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Disposition	2026-02-20	20	$98.34	$1,967	Disposed (4,961 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Option exercise	2026-02-20	491	—	—	Acquired (4,331 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Disposition	2026-02-20	86	$98.34	$8,457	Disposed (4,245 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Tax withholding	2026-02-20	196	$98.34	$19,275	Disposed (4,049 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Option exercise	2026-02-20	379	—	—	Acquired (4,428 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Option exercise	2026-02-20	490	—	—	Acquired (15,997 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Disposition	2026-02-20	81	$98.34	$7,966	Disposed (15,916 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2026-02-20	172	$98.34	$16,914	Disposed (15,744 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Option exercise	2026-02-20	998	—	—	Acquired (16,742 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Disposition	2026-02-20	150	$98.34	$14,751	Disposed (16,592 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2026-02-20	357	$98.34	$35,107	Disposed (16,235 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Option exercise	2026-02-20	1,880	—	—	Acquired (18,115 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Disposition	2026-02-20	227	$98.34	$22,323	Disposed (17,888 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2026-02-20	692	$98.34	$68,051	Disposed (17,196 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Option exercise	2026-02-20	2,435	—	—	Acquired (19,631 owned after)	EDGAR
PNW	Heflin Adam C	—	Option exercise	2026-02-20	1,352	—	—	Acquired (23,521 owned after)	EDGAR
PNW	Heflin Adam C	—	Disposition	2026-02-20	199	$98.34	$19,570	Disposed (23,322 owned after)	EDGAR
PNW	Heflin Adam C	—	Tax withholding	2026-02-20	322	$98.34	$31,665	Disposed (23,000 owned after)	EDGAR
PNW	Heflin Adam C	—	Option exercise	2026-02-20	3,766	—	—	Acquired (26,766 owned after)	EDGAR
PNW	Heflin Adam C	—	Disposition	2026-02-20	564	$98.34	$55,464	Disposed (26,202 owned after)	EDGAR
PNW	Heflin Adam C	—	Tax withholding	2026-02-20	892	$98.34	$87,719	Disposed (25,310 owned after)	EDGAR
PNW	Heflin Adam C	—	Option exercise	2026-02-20	1,492	—	—	Acquired (26,802 owned after)	EDGAR
PNW	Heflin Adam C	—	Disposition	2026-02-20	176	$98.34	$17,308	Disposed (26,626 owned after)	EDGAR
PNW	Heflin Adam C	—	Tax withholding	2026-02-20	367	$98.34	$36,091	Disposed (26,259 owned after)	EDGAR
PNW	Heflin Adam C	—	Option exercise	2026-02-20	1,531	—	—	Acquired (27,790 owned after)	EDGAR
PNW	Heflin Adam C	—	Disposition	2026-02-20	120	$98.34	$11,801	Disposed (27,670 owned after)	EDGAR
PNW	Heflin Adam C	—	Tax withholding	2026-02-20	393	$98.34	$38,648	Disposed (27,277 owned after)	EDGAR
PNW	Heflin Adam C	—	Option exercise	2026-02-20	1,216	—	—	Acquired (28,493 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Disposition	2026-02-20	192	$98.34	$18,881	Disposed (2,539 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Tax withholding	2026-02-20	604	$98.34	$59,397	Disposed (1,935 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Option exercise	2026-02-20	1,943	—	—	Acquired (3,878 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Disposition	2026-02-20	152	$98.34	$14,948	Disposed (3,726 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Tax withholding	2026-02-20	750	$98.34	$73,755	Disposed (2,976 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Option exercise	2026-02-20	1,736	—	—	Acquired (4,712 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Disposition	2026-02-20	67	$98.34	$6,589	Disposed (4,645 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Tax withholding	2026-02-20	699	$98.34	$68,740	Disposed (3,946 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Option exercise	2026-02-20	2,458	—	—	Acquired (6,404 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Disposition	2026-02-20	96	$98.34	$9,441	Disposed (6,308 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Tax withholding	2026-02-20	989	$98.34	$97,258	Disposed (5,319 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Gift	2026-02-20	5,319	—	—	Disposed (0 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Option exercise	2026-02-20	169	—	—	Acquired (3,480 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Disposition	2026-02-20	32	$98.34	$3,147	Disposed (3,448 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Tax withholding	2026-02-20	66	$98.34	$6,490	Disposed (3,382 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Option exercise	2026-02-20	198	—	—	Acquired (3,580 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Tax withholding	2026-02-20	80	$98.34	$7,867	Disposed (3,468 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Option exercise	2026-02-20	433	—	—	Acquired (3,901 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Disposition	2026-02-20	53	$98.34	$5,212	Disposed (3,848 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Tax withholding	2026-02-20	183	$98.34	$17,996	Disposed (3,665 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Option exercise	2026-02-20	589	—	—	Acquired (4,254 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Disposition	2026-02-20	46	$98.34	$4,524	Disposed (4,208 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Tax withholding	2026-02-20	241	$98.34	$23,700	Disposed (3,967 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Option exercise	2026-02-20	869	—	—	Acquired (4,836 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Disposition	2026-02-20	34	$98.34	$3,344	Disposed (4,802 owned after)	EDGAR
PNW	Baum Shirley A	SVP and GC	Tax withholding	2026-02-20	358	$98.34	$35,206	Disposed (4,444 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Disposition	2026-02-20	41	$98.34	$4,032	Disposed (4,387 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Tax withholding	2026-02-20	163	$98.34	$16,029	Disposed (4,224 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Option exercise	2026-02-20	473	—	—	Acquired (4,697 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Disposition	2026-02-20	38	$98.34	$3,737	Disposed (4,659 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Tax withholding	2026-02-20	199	$98.34	$19,570	Disposed (4,460 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Option exercise	2026-02-20	521	—	—	Acquired (4,981 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Tax withholding	2026-02-20	215	$98.34	$21,143	Disposed (4,746 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Disposition	2026-02-20	191	$98.34	$18,783	Disposed (19,440 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2026-02-20	940	$98.34	$92,440	Disposed (18,500 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Option exercise	2026-02-20	1,968	—	—	Acquired (20,468 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Disposition	2026-02-20	76	$98.34	$7,474	Disposed (20,392 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2026-02-20	792	$98.34	$77,885	Disposed (19,600 owned after)	EDGAR
PNW	Tetlow Jacob	—	Option exercise	2026-02-20	781	—	—	Acquired (837 owned after)	EDGAR
PNW	Tetlow Jacob	—	Disposition	2026-02-20	127	$98.34	$12,489	Disposed (710 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2026-02-20	294	$98.34	$28,912	Disposed (416 owned after)	EDGAR
PNW	Tetlow Jacob	—	Option exercise	2026-02-20	1,408	—	—	Acquired (1,824 owned after)	EDGAR
PNW	Tetlow Jacob	—	Disposition	2026-02-20	168	$98.34	$16,521	Disposed (1,656 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2026-02-20	532	$98.34	$52,317	Disposed (1,124 owned after)	EDGAR
PNW	Tetlow Jacob	—	Option exercise	2026-02-20	1,531	—	—	Acquired (2,655 owned after)	EDGAR
PNW	Tetlow Jacob	—	Disposition	2026-02-20	120	$98.34	$11,801	Disposed (2,535 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2026-02-20	605	$98.34	$59,496	Disposed (1,930 owned after)	EDGAR
PNW	Tetlow Jacob	—	Option exercise	2026-02-20	1,389	—	—	Acquired (3,319 owned after)	EDGAR
PNW	Tetlow Jacob	—	Disposition	2026-02-20	54	$98.34	$5,310	Disposed (3,265 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2026-02-20	573	$98.34	$56,349	Disposed (2,692 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Option exercise	2026-02-20	490	—	—	Acquired (9,111 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Disposition	2026-02-20	81	$98.34	$7,966	Disposed (9,030 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Tax withholding	2026-02-20	132	$98.34	$12,981	Disposed (8,898 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Option exercise	2026-02-20	476	—	—	Acquired (9,374 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Disposition	2026-02-20	54	$98.34	$5,310	Disposed (9,320 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Tax withholding	2026-02-20	136	$98.34	$13,374	Disposed (9,184 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Option exercise	2026-02-20	589	—	—	Acquired (9,773 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Disposition	2026-02-20	46	$98.34	$4,524	Disposed (9,727 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Tax withholding	2026-02-20	158	$98.34	$15,538	Disposed (9,569 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Option exercise	2026-02-20	434	—	—	Acquired (10,003 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Disposition	2026-02-20	16	$98.34	$1,573	Disposed (9,987 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Tax withholding	2026-02-20	113	$98.34	$11,112	Disposed (9,874 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Option exercise	2026-02-20	2,248	—	—	Acquired (2,248 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Disposition	2026-02-20	361	$98.34	$35,501	Disposed (1,887 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Tax withholding	2026-02-20	790	$98.34	$77,689	Disposed (1,097 owned after)	EDGAR
PNW	Geisler Theodore N	Chairman, CEO and President	Option exercise	2026-02-20	1,634	—	—	Acquired (2,731 owned after)	EDGAR
PNW	Tetlow Jacob	—	Sale	2025-08-11	6,496	$92.37	$600,036	Disposed (56 owned after)	EDGAR
PNW	SPENCE WILLIAM H	Director	Award	2025-05-21	1,783	$91.10	$162,431	Acquired (4,626 owned after)	EDGAR
PNW	FOX RICHARD P	Director	Award	2025-05-21	1,783	$91.10	$162,431	Acquired (10,626 owned after)	EDGAR
PNW	TREVATHAN JAMES E JR	Director	Award	2025-05-21	1,783	$91.10	$162,431	Acquired (2,660 owned after)	EDGAR
PNW	Sims Paula J	Director	Award	2025-05-21	1,783	$91.10	$162,431	Acquired (9,367 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Sale	2025-05-06	592	$93.97	$55,630	Disposed (3,421 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Sale	2025-05-06	911	$93.91	$85,552	Disposed (4,013 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Tax withholding	2025-03-18	825	$93.38	$77,038	Disposed (8,621 owned after)	EDGAR
PNW	Tetlow Jacob	—	Award	2025-03-18	13,008	—	—	Acquired (13,064 owned after)	EDGAR
PNW	Tetlow Jacob	—	Disposition	2025-03-18	1,638	$93.38	$152,956	Disposed (11,426 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2025-03-18	4,874	$93.38	$455,134	Disposed (6,552 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Award	2025-03-18	3,874	—	—	Acquired (3,874 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2025-03-18	5,278	$93.38	$492,860	Disposed (15,049 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Disposition	2025-03-18	1,694	$93.38	$158,186	Disposed (20,327 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Award	2025-03-18	24,284	—	—	Acquired (24,284 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Disposition	2025-03-18	3,060	$93.38	$285,743	Disposed (21,224 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Tax withholding	2025-03-18	8,883	$93.38	$829,495	Disposed (12,341 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Gift	2025-03-18	12,341	—	—	Disposed (0 owned after)	EDGAR
PNW	Heflin Adam C	—	Award	2025-03-18	22,696	—	—	Acquired (32,747 owned after)	EDGAR
PNW	Heflin Adam C	—	Disposition	2025-03-18	2,635	$93.38	$246,056	Disposed (30,112 owned after)	EDGAR
PNW	Heflin Adam C	—	Tax withholding	2025-03-18	8,598	$93.38	$802,881	Disposed (21,514 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Gift	2025-03-18	1,966	—	—	Disposed (0 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Award	2025-03-18	14,296	—	—	Acquired (22,021 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Disposition	2025-03-18	486	$93.38	$45,383	Disposed (4,574 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Tax withholding	2025-03-18	847	$93.38	$79,093	Disposed (3,727 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Award	2025-03-18	94,008	—	—	Acquired (184,391 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Tax withholding	2025-03-18	1,422	$93.38	$132,786	Disposed (1,966 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Disposition	2025-03-18	486	$93.38	$45,383	Disposed (3,388 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Award	2025-03-18	3,514	—	—	Acquired (9,894 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Disposition	2025-03-18	448	$93.38	$41,834	Disposed (9,446 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Tax withholding	2025-03-18	35,202	$93.38	$3,287,163	Disposed (137,330 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Disposition	2025-03-18	11,859	$93.38	$1,107,393	Disposed (172,532 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Award	2025-03-18	3,522	—	—	Acquired (5,060 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Tax withholding	2025-03-18	6,468	$93.38	$603,982	Disposed (18,328 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Disposition	2025-03-18	2,261	$93.38	$211,132	Disposed (24,796 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Award	2025-03-18	17,898	—	—	Acquired (27,057 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Gift	2025-03-10	1,053	—	—	Disposed (9,159 owned after)	EDGAR
PNW	Tetlow Jacob	—	Sale	2025-03-03	678	$93.44	$63,352	Disposed (56 owned after)	EDGAR
PNW	Tetlow Jacob	—	Sale	2025-03-03	1,594	$93.40	$148,880	Disposed (734 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Disposition	2025-02-20	55	$90.77	$4,992	Disposed (485 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Option exercise	2025-02-20	1,316	—	—	Acquired (1,316 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Tax withholding	2025-02-20	560	$90.77	$50,831	Disposed (756 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Option exercise	2025-02-20	2,157	—	—	Acquired (2,913 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Option exercise	2025-02-20	165	—	—	Acquired (4,752 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Disposition	2025-02-20	165	$90.77	$14,977	Disposed (4,587 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Option exercise	2025-02-20	164	—	—	Acquired (4,751 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Option exercise	2025-02-20	3,838	—	—	Acquired (82,238 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Tax withholding	2025-02-20	1,555	$90.77	$141,147	Disposed (80,683 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Option exercise	2025-02-20	5,401	—	—	Acquired (86,084 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Disposition	2025-02-20	682	$90.77	$61,905	Disposed (85,402 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Tax withholding	2025-02-20	1,912	$90.77	$173,552	Disposed (83,490 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Option exercise	2025-02-20	5,396	—	—	Acquired (88,886 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Disposition	2025-02-20	454	$90.77	$41,210	Disposed (88,432 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Tax withholding	2025-02-20	2,118	$90.77	$192,251	Disposed (86,314 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Option exercise	2025-02-20	6,760	—	—	Acquired (93,074 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Option exercise	2025-02-20	165	—	—	Acquired (5,455 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Disposition	2025-02-20	165	$90.77	$14,977	Disposed (5,290 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Option exercise	2025-02-20	164	—	—	Acquired (5,454 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Tax withholding	2025-02-20	53	$90.77	$4,811	Disposed (5,401 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Option exercise	2025-02-20	464	—	—	Acquired (5,865 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Disposition	2025-02-20	55	$90.77	$4,992	Disposed (5,810 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Tax withholding	2025-02-20	132	$90.77	$11,982	Disposed (5,678 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Option exercise	2025-02-20	460	—	—	Acquired (6,138 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Disposition	2025-02-20	38	$90.77	$3,449	Disposed (6,100 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Tax withholding	2025-02-20	136	$90.77	$12,345	Disposed (5,964 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Option exercise	2025-02-20	568	—	—	Acquired (6,532 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Disposition	2025-02-20	25	$90.77	$2,269	Disposed (6,507 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Tax withholding	2025-02-20	146	$90.77	$13,252	Disposed (6,361 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Option exercise	2025-02-20	465	—	—	Acquired (1,206 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Disposition	2025-02-20	60	$90.77	$5,446	Disposed (1,146 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Tax withholding	2025-02-20	135	$90.77	$12,254	Disposed (1,011 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Option exercise	2025-02-20	369	—	—	Acquired (1,380 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Disposition	2025-02-20	31	$90.77	$2,814	Disposed (1,349 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Tax withholding	2025-02-20	113	$90.77	$10,257	Disposed (1,236 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Option exercise	2025-02-20	455	—	—	Acquired (1,691 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Disposition	2025-02-20	20	$90.77	$1,815	Disposed (1,671 owned after)	EDGAR
PNW	Esparza Jose Luis Jr	—	Tax withholding	2025-02-20	140	$90.77	$12,708	Disposed (1,531 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Option exercise	2025-02-20	477	—	—	Acquired (8,427 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Disposition	2025-02-20	477	$90.77	$43,297	Disposed (7,950 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Tax withholding	2025-02-20	223	$90.77	$20,242	Disposed (8,204 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Option exercise	2025-02-20	1,027	—	—	Acquired (9,231 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Disposition	2025-02-20	128	$90.77	$11,619	Disposed (9,103 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Award	2025-02-20	27	—	—	Acquired (6,388 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Tax withholding	2025-02-20	8	$90.77	$726	Disposed (6,380 owned after)	EDGAR
PNW	Heflin Adam C	—	Option exercise	2025-02-20	1,306	—	—	Acquired (7,254 owned after)	EDGAR
PNW	Heflin Adam C	—	Disposition	2025-02-20	153	$90.77	$13,888	Disposed (7,101 owned after)	EDGAR
PNW	Heflin Adam C	—	Tax withholding	2025-02-20	495	$90.77	$44,931	Disposed (6,606 owned after)	EDGAR
PNW	Heflin Adam C	—	Option exercise	2025-02-20	3,622	—	—	Acquired (10,228 owned after)	EDGAR
PNW	Heflin Adam C	—	Disposition	2025-02-20	420	$90.77	$38,123	Disposed (9,808 owned after)	EDGAR
PNW	Heflin Adam C	—	Tax withholding	2025-02-20	1,371	$90.77	$124,446	Disposed (8,437 owned after)	EDGAR
PNW	Heflin Adam C	—	Option exercise	2025-02-20	1,437	—	—	Acquired (9,874 owned after)	EDGAR
PNW	Heflin Adam C	—	Disposition	2025-02-20	121	$90.77	$10,983	Disposed (9,753 owned after)	EDGAR
PNW	Heflin Adam C	—	Tax withholding	2025-02-20	564	$90.77	$51,194	Disposed (9,189 owned after)	EDGAR
PNW	Heflin Adam C	—	Option exercise	2025-02-20	1,472	—	—	Acquired (10,661 owned after)	EDGAR
PNW	Heflin Adam C	—	Disposition	2025-02-20	61	$90.77	$5,537	Disposed (10,600 owned after)	EDGAR
PNW	Heflin Adam C	—	Tax withholding	2025-02-20	605	$90.77	$54,916	Disposed (9,995 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Disposition	2025-02-20	134	$90.77	$12,163	Disposed (3,295 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Tax withholding	2025-02-20	604	$90.77	$54,825	Disposed (2,691 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Option exercise	2025-02-20	1,868	—	—	Acquired (4,559 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Disposition	2025-02-20	77	$90.77	$6,989	Disposed (4,482 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Tax withholding	2025-02-20	750	$90.77	$68,078	Disposed (3,732 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Award	2025-02-20	220	—	—	Acquired (3,952 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Tax withholding	2025-02-20	93	$90.77	$8,442	Disposed (3,859 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Gift	2025-02-20	3,859	—	—	Disposed (0 owned after)	EDGAR
PNW	Tetlow Jacob	—	Option exercise	2025-02-20	88	—	—	Acquired (144 owned after)	EDGAR
PNW	Tetlow Jacob	—	Disposition	2025-02-20	88	$90.77	$7,988	Disposed (56 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2025-02-20	37	$90.77	$3,358	Disposed (107 owned after)	EDGAR
PNW	Tetlow Jacob	—	Option exercise	2025-02-20	527	—	—	Acquired (634 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2025-02-20	252	$90.77	$22,874	Disposed (382 owned after)	EDGAR
PNW	Tetlow Jacob	—	Option exercise	2025-02-20	744	—	—	Acquired (1,126 owned after)	EDGAR
PNW	Tetlow Jacob	—	Disposition	2025-02-20	90	$90.77	$8,169	Disposed (1,036 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2025-02-20	280	$90.77	$25,416	Disposed (756 owned after)	EDGAR
PNW	Tetlow Jacob	—	Option exercise	2025-02-20	1,354	—	—	Acquired (2,110 owned after)	EDGAR
PNW	Tetlow Jacob	—	Disposition	2025-02-20	114	$90.77	$10,348	Disposed (1,996 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2025-02-20	532	$90.77	$48,290	Disposed (1,464 owned after)	EDGAR
PNW	Tetlow Jacob	—	Option exercise	2025-02-20	1,472	—	—	Acquired (2,936 owned after)	EDGAR
PNW	Tetlow Jacob	—	Disposition	2025-02-20	61	$90.77	$5,537	Disposed (2,875 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2025-02-20	605	$90.77	$54,916	Disposed (2,270 owned after)	EDGAR
PNW	Tetlow Jacob	—	Award	2025-02-20	102	—	—	Acquired (2,372 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2025-02-20	44	$90.77	$3,994	Disposed (2,328 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Disposition	2025-02-20	280	$90.77	$25,416	Disposed (92,794 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Tax withholding	2025-02-20	2,777	$90.77	$252,068	Disposed (90,017 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Award	2025-02-20	642	—	—	Acquired (90,659 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Tax withholding	2025-02-20	276	$90.77	$25,053	Disposed (90,383 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Tax withholding	2025-02-20	372	$90.77	$33,766	Disposed (8,731 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Option exercise	2025-02-20	1,135	—	—	Acquired (9,866 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Disposition	2025-02-20	98	$90.77	$8,895	Disposed (9,768 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Tax withholding	2025-02-20	429	$90.77	$38,940	Disposed (9,339 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Option exercise	2025-02-20	1,472	—	—	Acquired (10,811 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Disposition	2025-02-20	61	$90.77	$5,537	Disposed (10,750 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Tax withholding	2025-02-20	584	$90.77	$53,010	Disposed (10,166 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Award	2025-02-20	80	—	—	Acquired (10,246 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, CLO, and CDO	Tax withholding	2025-02-20	34	$90.77	$3,086	Disposed (10,212 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2025-02-20	78	$90.77	$7,080	Disposed (4,673 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Option exercise	2025-02-20	464	—	—	Acquired (5,137 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Disposition	2025-02-20	55	$90.77	$4,992	Disposed (5,082 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2025-02-20	172	$90.77	$15,612	Disposed (4,910 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Option exercise	2025-02-20	960	—	—	Acquired (5,870 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Disposition	2025-02-20	112	$90.77	$10,166	Disposed (5,758 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2025-02-20	357	$90.77	$32,405	Disposed (5,401 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Option exercise	2025-02-20	1,802	—	—	Acquired (7,203 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Disposition	2025-02-20	149	$90.77	$13,525	Disposed (7,054 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2025-02-20	692	$90.77	$62,813	Disposed (6,362 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Option exercise	2025-02-20	2,341	—	—	Acquired (8,703 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Disposition	2025-02-20	97	$90.77	$8,805	Disposed (8,606 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2025-02-20	940	$90.77	$85,324	Disposed (7,666 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Award	2025-02-20	27	—	—	Acquired (7,693 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2025-02-20	12	$90.77	$1,089	Disposed (7,681 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Option exercise	2025-02-20	144	—	—	Acquired (144 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Disposition	2025-02-20	144	$90.77	$13,071	Disposed (0 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Tax withholding	2025-02-20	68	$90.77	$6,172	Disposed (76 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Option exercise	2025-02-20	464	—	—	Acquired (540 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Tax withholding	2025-02-20	193	$90.77	$17,519	Disposed (292 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Option exercise	2025-02-20	52	—	—	Acquired (344 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Disposition	2025-02-20	9	$90.77	$817	Disposed (335 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Tax withholding	2025-02-20	21	$90.77	$1,906	Disposed (314 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Option exercise	2025-02-20	506	—	—	Acquired (820 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Disposition	2025-02-20	42	$90.77	$3,812	Disposed (778 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Tax withholding	2025-02-20	212	$90.77	$19,243	Disposed (566 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Option exercise	2025-02-20	568	—	—	Acquired (1,134 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Disposition	2025-02-20	25	$90.77	$2,269	Disposed (1,109 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Tax withholding	2025-02-20	226	$90.77	$20,514	Disposed (883 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Award	2025-02-20	24	—	—	Acquired (907 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Tax withholding	2025-02-20	11	$90.77	$998	Disposed (896 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Planning	Gift	2025-02-20	896	—	—	Disposed (0 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Disposition	2025-02-20	270	$90.77	$24,508	Disposed (2,643 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Tax withholding	2025-02-20	790	$90.77	$71,708	Disposed (1,853 owned after)	EDGAR
PNW	Geisler Theodore N	Director	Option exercise	2025-02-20	1,576	—	—	Acquired (3,429 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, GC, and CDO	Gift	2024-12-10	826	—	—	Disposed (7,950 owned after)	EDGAR
PNW	Tetlow Jacob	—	Sale	2024-11-13	9,474	$90.80	$860,239	Disposed (56 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, GC, and CDO	Tax withholding	2024-10-22	219	$88.12	$19,298	Disposed (8,776 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Award	2024-10-22	811	—	—	Acquired (5,420 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Tax withholding	2024-10-22	218	$88.12	$19,210	Disposed (5,202 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Award	2024-10-22	121	—	—	Acquired (5,323 owned after)	EDGAR
PNW	Blankenship Elizabeth A	VP, Controller and CAO	Tax withholding	2024-10-22	33	$88.12	$2,908	Disposed (5,290 owned after)	EDGAR
PNW	Geisler Theodore N	—	Tax withholding	2024-10-22	2,039	$88.12	$179,677	Disposed (2,831 owned after)	EDGAR
PNW	Geisler Theodore N	—	Award	2024-10-22	728	—	—	Acquired (3,559 owned after)	EDGAR
PNW	Geisler Theodore N	—	Tax withholding	2024-10-22	305	$88.12	$26,877	Disposed (3,254 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Award	2024-10-22	811	—	—	Acquired (4,813 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2024-10-22	340	$88.12	$29,961	Disposed (4,473 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Award	2024-10-22	121	—	—	Acquired (4,594 owned after)	EDGAR
PNW	Cooper Andrew D	SVP & CFO	Tax withholding	2024-10-22	51	$88.12	$4,494	Disposed (4,543 owned after)	EDGAR
PNW	Geisler Theodore N	—	Gift	2024-10-22	3,254	—	—	Disposed (0 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Treasurer	Award	2024-10-22	106	—	—	Acquired (518 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Treasurer	Tax withholding	2024-10-22	45	$88.12	$3,965	Disposed (473 owned after)	EDGAR
PNW	Tetlow Jacob	—	Award	2024-10-22	1,948	—	—	Acquired (9,578 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2024-10-22	835	$88.12	$73,580	Disposed (8,743 owned after)	EDGAR
PNW	Tetlow Jacob	—	Award	2024-10-22	291	—	—	Acquired (9,034 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2024-10-22	125	$88.12	$11,015	Disposed (8,909 owned after)	EDGAR
PNW	Tetlow Jacob	—	Award	2024-10-22	957	—	—	Acquired (9,866 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2024-10-22	411	$88.12	$36,217	Disposed (9,455 owned after)	EDGAR
PNW	Tetlow Jacob	—	Award	2024-10-22	132	—	—	Acquired (9,587 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, GC, and CDO	Award	2024-10-22	3,531	—	—	Acquired (9,928 owned after)	EDGAR
PNW	Tetlow Jacob	—	Tax withholding	2024-10-22	57	$88.12	$5,023	Disposed (9,530 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Treasurer	Gift	2024-10-22	473	—	—	Disposed (0 owned after)	EDGAR
PNW	Geisler Theodore N	—	Award	2024-10-22	4,870	—	—	Acquired (4,870 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, GC, and CDO	Award	2024-10-22	528	—	—	Acquired (8,995 owned after)	EDGAR
PNW	Smith Robert Edgar	EVP, GC, and CDO	Tax withholding	2024-10-22	1,461	$88.12	$128,743	Disposed (8,467 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Treasurer	Award	2024-10-22	710	—	—	Acquired (710 owned after)	EDGAR
PNW	Mountain Paul J	VP, Finance and Treasurer	Tax withholding	2024-10-22	298	$88.12	$26,260	Disposed (412 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Award	2024-10-22	20,918	—	—	Acquired (85,578 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Tax withholding	2024-10-22	8,964	$88.12	$789,908	Disposed (76,614 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Award	2024-10-22	3,126	—	—	Acquired (79,740 owned after)	EDGAR
PNW	GULDNER JEFFREY B.	Chairman, President and CEO	Tax withholding	2024-10-22	1,340	$88.12	$118,081	Disposed (78,400 owned after)	EDGAR
PNW	Flanagan Susan T.	Director	Purchase	2024-08-05	500	$86.54	$43,270	Acquired (750 owned after)	EDGAR

Long US-equity 13F disclosures only · up to 45-day reporting lag · sells = reduce/avoid, not short. JSON: /api/signals · /api/funds · /api/status