Arbo · 13F Signal Engine

Insider

Form 4/4-A open-market insider transactions (officers, directors, 10% owners) · 217 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
MGRC	Wescott Tara	SVP, Chief HR Officer	Sale	2026-08-18	1,325	$122.00	$161,650	Disposed (7,831 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	J	2026-08-12	6,077	$120.54	$732,522	Disposed (0 owned after)	EDGAR
MGRC	Hawkins Philip B	President and CEO	Sale	2026-08-11	5	$124.00	$620	Disposed (13,371 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Sale	2026-08-11	2,000	$120.41	$240,820	Disposed (10,634 owned after)	EDGAR
MGRC	Hawkins Philip B	President and CEO	Sale	2026-08-11	4,430	$120.91	$535,636	Disposed (13,376 owned after)	EDGAR
MGRC	HANNA JOSEPH F	Director	Sale 10b5-1	2026-07-01	460	$119.21	$54,836	Disposed (158,589 owned after)	EDGAR
MGRC	HANNA JOSEPH F	Director	Sale 10b5-1	2026-07-01	4,803	$120.51	$578,786	Disposed (153,786 owned after)	EDGAR
MGRC	HANNA JOSEPH F	Director	Sale 10b5-1	2026-07-01	2,237	$121.23	$271,196	Disposed (151,549 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Sale 10b5-1	2026-06-26	500	$125.00	$62,500	Disposed (23,551 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Sale 10b5-1	2026-06-25	2,000	$125.00	$250,000	Disposed (24,051 owned after)	EDGAR
MGRC	Malek Gilda	SVP, Chief Legal Officer	Sale	2026-06-15	1,407	$114.04	$160,454	Disposed (8,018 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Sale	2026-06-10	3,783	$113.65	$429,943	Disposed (6,533 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Sale	2026-06-10	3,783	$113.65	$429,943	Disposed (6,533 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Sale	2026-05-15	539	$115.00	$61,985	Disposed (10,316 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Sale	2026-05-15	539	$115.00	$61,985	Disposed (10,316 owned after)	EDGAR
MGRC	HANNA JOSEPH F	Director	Sale	2026-05-05	530	$112.00	$59,360	Disposed (159,049 owned after)	EDGAR
MGRC	HANNA JOSEPH F	Director	J	2026-05-05	400	$113.06	$45,224	Disposed (0 owned after)	EDGAR
MGRC	HANNA JOSEPH F	Director	Sale	2026-05-04	9,070	$112.46	$1,020,033	Disposed (159,979 owned after)	EDGAR
MGRC	HANNA JOSEPH F	Director	Sale	2026-05-04	400	$113.19	$45,277	Disposed (159,579 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Award	2026-03-31	2,265	—	—	Acquired (7,236 owned after)	EDGAR
MGRC	Malek Gilda	SVP, Chief Legal Officer	Option exercise	2026-03-31	1,431	—	—	Acquired (10,125 owned after)	EDGAR
MGRC	Malek Gilda	SVP, Chief Legal Officer	Tax withholding	2026-03-31	700	$110.28	$77,196	Disposed (9,425 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Award	2026-03-31	2,265	—	—	Acquired (7,236 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	J	2026-03-12	5,966	$104.00	$620,464	Acquired (7,334 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	J	2026-03-12	5,966	$104.00	$620,464	Acquired (7,334 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Award	2026-02-27	1,530	—	—	Acquired (26,051 owned after)	EDGAR
MGRC	Conjeevaram Smita	Director	Award	2026-02-27	1,300	—	—	Acquired (7,800 owned after)	EDGAR
MGRC	SHUSTER BRADLEY M	Director	Award	2026-02-27	1,300	—	—	Acquired (15,000 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Award	2026-02-27	6,080	—	—	Acquired (60,522 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Award	2026-02-27	1,170	—	—	Acquired (4,971 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Award	2026-02-27	2,700	—	—	Acquired (10,855 owned after)	EDGAR
MGRC	Anderson Nicolas C	Director	Award	2026-02-27	1,300	—	—	Acquired (4,800 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Award	2026-02-27	1,170	—	—	Acquired (4,971 owned after)	EDGAR
MGRC	Malek Gilda	SVP, Chief Legal Officer	Award	2026-02-27	4,510	—	—	Acquired (8,694 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Award	2026-02-27	1,300	—	—	Acquired (169,049 owned after)	EDGAR
MGRC	Box Kimberly Ann	Director	Award	2026-02-27	1,300	—	—	Acquired (8,300 owned after)	EDGAR
MGRC	Wescott Tara	SVP, Chief HR Officer	Award	2026-02-27	1,800	—	—	Acquired (9,156 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Award	2026-02-27	2,700	—	—	Acquired (10,855 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Award	2026-02-27	1,400	—	—	Acquired (12,634 owned after)	EDGAR
MGRC	DAWSON WILLIAM J	Director	Award	2026-02-27	1,300	—	—	Acquired (7,300 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Award	2026-02-27	11,270	—	—	Acquired (17,806 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Tax withholding	2026-02-24	1,038	$114.48	$118,830	Disposed (6,536 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Option exercise	2026-02-24	1,201	—	—	Acquired (52,669 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Tax withholding	2026-02-24	1,109	$114.48	$126,958	Disposed (3,801 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Option exercise	2026-02-24	1,688	—	—	Acquired (4,910 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Option exercise	2026-02-24	354	—	—	Acquired (3,222 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Tax withholding	2026-02-24	1,582	$114.48	$181,107	Disposed (8,155 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Option exercise	2026-02-24	2,436	—	—	Acquired (9,737 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Option exercise	2026-02-24	511	—	—	Acquired (7,301 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Tax withholding	2026-02-24	677	$114.48	$77,503	Disposed (11,234 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Option exercise	2026-02-24	2,293	—	—	Acquired (11,911 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Option exercise	2026-02-24	481	—	—	Acquired (9,618 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Tax withholding	2026-02-24	1,582	$114.48	$181,107	Disposed (8,155 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Option exercise	2026-02-24	2,436	—	—	Acquired (9,737 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Option exercise	2026-02-24	511	—	—	Acquired (7,301 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Tax withholding	2026-02-24	1,109	$114.48	$126,958	Disposed (3,801 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Option exercise	2026-02-24	1,688	—	—	Acquired (4,910 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Option exercise	2026-02-24	354	—	—	Acquired (3,222 owned after)	EDGAR
MGRC	Wescott Tara	SVP, Chief HR Officer	Tax withholding	2026-02-24	1,482	$114.48	$169,659	Disposed (7,356 owned after)	EDGAR
MGRC	Wescott Tara	SVP, Chief HR Officer	Option exercise	2026-02-24	401	—	—	Acquired (8,838 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Tax withholding	2026-02-24	3,859	$114.48	$441,778	Disposed (54,442 owned after)	EDGAR
MGRC	Wescott Tara	SVP, Chief HR Officer	Option exercise	2026-02-24	1,911	—	—	Acquired (8,437 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Tax withholding	2026-02-24	706	$114.48	$80,823	Disposed (24,521 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Option exercise	2026-02-24	1,990	—	—	Acquired (25,227 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Option exercise	2026-02-24	417	—	—	Acquired (23,237 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Option exercise	2026-02-24	3,136	—	—	Acquired (7,574 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Option exercise	2026-02-24	657	—	—	Acquired (4,438 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Tax withholding	2026-02-24	15,939	$114.48	$1,824,697	Disposed (167,749 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Option exercise	2026-02-24	25,967	—	—	Acquired (183,688 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Option exercise	2026-02-24	3,197	—	—	Acquired (157,721 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Option exercise	2026-02-24	5,732	—	—	Acquired (58,301 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Option exercise	2026-02-23	8,807	—	—	Acquired (162,444 owned after)	EDGAR
MGRC	Wescott Tara	SVP, Chief HR Officer	Tax withholding	2026-02-23	521	$113.07	$58,909	Disposed (6,526 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Option exercise	2026-02-23	933	—	—	Acquired (7,627 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Tax withholding	2026-02-23	702	$113.07	$79,375	Disposed (3,781 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Option exercise	2026-02-23	1,333	—	—	Acquired (4,483 owned after)	EDGAR
MGRC	Wescott Tara	SVP, Chief HR Officer	Option exercise	2026-02-23	827	—	—	Acquired (7,047 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Tax withholding	2026-02-23	7,920	$113.07	$895,514	Disposed (154,524 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Option exercise	2026-02-23	800	—	—	Acquired (9,492 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Tax withholding	2026-02-23	421	$113.07	$47,602	Disposed (22,820 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Option exercise	2026-02-23	800	—	—	Acquired (23,241 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Tax withholding	2026-02-23	3,469	$113.07	$392,240	Disposed (51,368 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Tax withholding	2026-02-23	837	$113.07	$94,640	Disposed (6,790 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Tax withholding	2026-02-23	355	$113.07	$40,140	Disposed (9,137 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Option exercise	2026-02-23	587	—	—	Acquired (3,400 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Tax withholding	2026-02-23	532	$113.07	$60,153	Disposed (2,868 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Option exercise	2026-02-23	933	—	—	Acquired (7,627 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Tax withholding	2026-02-23	837	$113.07	$94,640	Disposed (6,790 owned after)	EDGAR
MGRC	Malek Gilda	SVP, Chief Legal Officer	Tax withholding	2026-02-23	1,217	$113.07	$137,606	Disposed (4,184 owned after)	EDGAR
MGRC	Malek Gilda	SVP, Chief Legal Officer	Option exercise	2026-02-23	1,333	—	—	Acquired (5,401 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Option exercise	2026-02-23	587	—	—	Acquired (3,400 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Tax withholding	2026-02-23	532	$113.07	$60,153	Disposed (2,868 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Option exercise	2026-02-23	3,070	—	—	Acquired (54,837 owned after)	EDGAR
MGRC	Malek Gilda	SVP, Chief Legal Officer	Sale	2025-12-15	829	$107.29	$88,943	Disposed (4,068 owned after)	EDGAR
MGRC	Box Kimberly Ann	Director	Sale	2025-08-06	1,500	$118.50	$177,748	Disposed (7,000 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Sale	2025-07-30	3,000	$127.17	$381,524	Disposed (51,767 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Sale	2025-07-29	5,685	$126.90	$721,443	Disposed (156,212 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Sale	2025-07-29	397	$126.23	$50,115	Disposed (54,767 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Sale	2025-07-29	6,317	$125.67	$793,829	Disposed (161,897 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Sale	2025-07-29	6,603	$125.61	$829,419	Disposed (55,164 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Sale	2025-07-29	2,575	$127.91	$329,376	Disposed (153,637 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Sale	2025-06-06	361	$115.02	$41,524	Disposed (6,694 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Sale	2025-06-06	361	$115.02	$41,524	Disposed (6,694 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Sale	2025-06-06	1,860	$114.05	$212,130	Disposed (7,055 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Sale	2025-06-06	1,860	$114.05	$212,130	Disposed (7,055 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Sale	2025-06-04	500	$116.01	$58,003	Disposed (8,915 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Sale	2025-06-04	500	$116.01	$58,003	Disposed (8,915 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Sale	2025-05-19	5,000	$115.22	$576,098	Disposed (61,767 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Sale	2025-05-08	2,500	$111.32	$278,308	Disposed (8,692 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	J	2025-05-07	5,671	$109.40	$620,407	Disposed (5,676 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Sale	2025-05-02	82	$109.82	$9,005	Disposed (168,214 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Sale	2025-05-02	8,601	$108.79	$935,673	Disposed (168,296 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Sale	2025-05-01	5,567	$108.89	$606,211	Disposed (176,897 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Sale	2025-04-28	318	$103.90	$33,041	Disposed (3,150 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Sale	2025-04-28	4,486	$103.54	$464,486	Disposed (3,468 owned after)	EDGAR
MGRC	SHUSTER BRADLEY M	Director	Option exercise	2025-04-01	1,000	—	—	Acquired (13,700 owned after)	EDGAR
MGRC	DAWSON WILLIAM J	Director	Option exercise	2025-04-01	1,000	—	—	Acquired (6,000 owned after)	EDGAR
MGRC	Conjeevaram Smita	Director	Option exercise	2025-04-01	1,000	—	—	Acquired (6,500 owned after)	EDGAR
MGRC	Box Kimberly Ann	Director	Option exercise	2025-04-01	1,000	—	—	Acquired (8,500 owned after)	EDGAR
MGRC	Anderson Nicolas C	Director	Option exercise	2025-04-01	1,000	—	—	Acquired (3,500 owned after)	EDGAR
MGRC	Malek Gilda	SVP, Chief Legal Officer	Option exercise	2025-03-31	1,430	—	—	Acquired (5,409 owned after)	EDGAR
MGRC	Malek Gilda	SVP, Chief Legal Officer	Tax withholding	2025-03-31	512	$111.40	$57,037	Disposed (4,897 owned after)	EDGAR
MGRC	Box Kimberly Ann	Director	Sale	2025-02-27	1,000	$124.69	$124,692	Disposed (7,500 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Option exercise	2025-02-25	461	—	—	Acquired (23,386 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Option exercise	2025-02-25	2,760	—	—	Acquired (22,925 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Tax withholding	2025-02-25	126	$125.25	$15,782	Disposed (11,192 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Option exercise	2025-02-25	514	—	—	Acquired (11,318 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Tax withholding	2025-02-25	945	$125.25	$118,361	Disposed (22,441 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Tax withholding	2025-02-25	1,464	$125.25	$183,366	Disposed (2,813 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Option exercise	2025-02-25	391	—	—	Acquired (4,277 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Option exercise	2025-02-25	2,340	—	—	Acquired (3,886 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Tax withholding	2025-02-25	10,579	$125.25	$1,325,020	Disposed (182,464 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Option exercise	2025-02-25	2,771	—	—	Acquired (193,043 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Option exercise	2025-02-25	16,620	—	—	Acquired (190,272 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Option exercise	2025-02-25	667	—	—	Acquired (9,231 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Tax withholding	2025-02-25	1,277	$125.25	$159,944	Disposed (7,954 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Tax withholding	2025-02-25	3,909	$125.25	$489,602	Disposed (66,767 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Option exercise	2025-02-25	1,077	—	—	Acquired (70,676 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Option exercise	2025-02-25	6,460	—	—	Acquired (69,599 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Option exercise	2025-02-25	3,140	—	—	Acquired (10,854 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Option exercise	2025-02-25	524	—	—	Acquired (11,378 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Option exercise	2025-02-25	4,000	—	—	Acquired (8,564 owned after)	EDGAR
MGRC	Wescott Tara	SVP, Chief HR Officer	Tax withholding	2025-02-25	1,029	$125.25	$128,882	Disposed (6,220 owned after)	EDGAR
MGRC	Wescott Tara	SVP, Chief HR Officer	Option exercise	2025-02-25	411	—	—	Acquired (7,249 owned after)	EDGAR
MGRC	Wescott Tara	SVP, Chief HR Officer	Option exercise	2025-02-25	2,460	—	—	Acquired (6,838 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Tax withholding	2025-02-25	1,963	$125.25	$245,866	Disposed (9,415 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Option exercise	2025-02-25	524	—	—	Acquired (11,648 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Option exercise	2025-02-25	3,140	—	—	Acquired (7,714 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Tax withholding	2025-02-25	1,464	$125.25	$183,366	Disposed (2,813 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Option exercise	2025-02-25	391	—	—	Acquired (4,277 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Option exercise	2025-02-25	2,340	—	—	Acquired (3,886 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Tax withholding	2025-02-25	1,963	$125.25	$245,866	Disposed (9,415 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Option exercise	2025-02-24	1,200	—	—	Acquired (65,376 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Option exercise	2025-02-24	3,069	—	—	Acquired (64,176 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Option exercise	2025-02-24	417	—	—	Acquired (20,575 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Tax withholding	2025-02-24	410	$125.66	$51,521	Disposed (20,165 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Option exercise	2025-02-24	510	—	—	Acquired (8,520 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Option exercise	2025-02-24	933	—	—	Acquired (8,010 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Option exercise	2025-02-24	586	—	—	Acquired (1,731 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Tax withholding	2025-02-24	366	$125.66	$45,992	Disposed (10,804 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Option exercise	2025-02-24	799	—	—	Acquired (20,158 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Option exercise	2025-02-24	1,333	—	—	Acquired (4,483 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Option exercise	2025-02-24	353	—	—	Acquired (2,084 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Tax withholding	2025-02-24	538	$125.66	$67,605	Disposed (1,546 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Option exercise	2025-02-24	480	—	—	Acquired (11,170 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Option exercise	2025-02-24	799	—	—	Acquired (10,690 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Tax withholding	2025-02-24	538	$125.66	$67,605	Disposed (1,546 owned after)	EDGAR
MGRC	Wescott Tara	SVP, Chief HR Officer	Tax withholding	2025-02-24	472	$125.66	$59,312	Disposed (4,378 owned after)	EDGAR
MGRC	Wescott Tara	SVP, Chief HR Officer	Option exercise	2025-02-24	400	—	—	Acquired (4,850 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Tax withholding	2025-02-24	6,565	$125.66	$824,958	Disposed (173,652 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Option exercise	2025-02-24	3,197	—	—	Acquired (180,217 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Option exercise	2025-02-24	8,806	—	—	Acquired (177,020 owned after)	EDGAR
MGRC	Wescott Tara	SVP, Chief HR Officer	Option exercise	2025-02-24	826	—	—	Acquired (4,450 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Option exercise	2025-02-24	353	—	—	Acquired (2,084 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Option exercise	2025-02-24	933	—	—	Acquired (8,010 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Option exercise	2025-02-24	510	—	—	Acquired (8,520 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Tax withholding	2025-02-24	806	$125.66	$101,282	Disposed (7,714 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Tax withholding	2025-02-24	576	$125.66	$72,380	Disposed (4,564 owned after)	EDGAR
MGRC	Malek Gilda	SVP, Chief Legal Officer	Tax withholding	2025-02-24	504	$125.66	$63,333	Disposed (3,979 owned after)	EDGAR
MGRC	Malek Gilda	SVP, Chief Legal Officer	Option exercise	2025-02-24	1,333	—	—	Acquired (4,483 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Option exercise	2025-02-24	586	—	—	Acquired (1,731 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Option exercise	2025-02-24	657	—	—	Acquired (5,140 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Tax withholding	2025-02-24	806	$125.66	$101,282	Disposed (7,714 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Tax withholding	2025-02-24	2,237	$125.66	$281,101	Disposed (63,139 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Award	2025-02-21	1,180	—	—	Acquired (9,891 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Award	2025-02-21	9,240	—	—	Acquired (61,107 owned after)	EDGAR
MGRC	Wescott Tara	SVP, Chief HR Officer	Award	2025-02-21	1,380	—	—	Acquired (3,624 owned after)	EDGAR
MGRC	Box Kimberly Ann	Director	Award	2025-02-21	1,000	—	—	Acquired (8,500 owned after)	EDGAR
MGRC	Anderson Nicolas C	Director	Award	2025-02-21	1,000	—	—	Acquired (2,500 owned after)	EDGAR
MGRC	Hawkins Philip B	Chief Operating Officer	Award	2025-02-21	3,150	—	—	Acquired (3,150 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Award	2025-02-21	16,910	—	—	Acquired (168,214 owned after)	EDGAR
MGRC	Conjeevaram Smita	Director	Award	2025-02-21	1,000	—	—	Acquired (5,500 owned after)	EDGAR
MGRC	Lieffrig John	VP and Division Manager	Award	2025-02-21	1,260	—	—	Acquired (19,359 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Award	2025-02-21	1,570	—	—	Acquired (7,077 owned after)	EDGAR
MGRC	Whitney David M	SVP, Chief Accounting Officer	Award	2025-02-21	940	—	—	Acquired (1,145 owned after)	EDGAR
MGRC	DAWSON WILLIAM J	Director	Award	2025-02-21	1,000	—	—	Acquired (5,000 owned after)	EDGAR
MGRC	Malek Gilda	SVP, Chief Legal Officer	Award	2025-02-21	3,150	—	—	Acquired (3,150 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Award	2025-02-21	940	—	—	Acquired (1,145 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Award	2025-02-21	1,570	—	—	Acquired (7,077 owned after)	EDGAR
MGRC	SHUSTER BRADLEY M	Director	Award	2025-02-21	1,000	—	—	Acquired (12,700 owned after)	EDGAR
MGRC	Malek Gilda	VP General Counsel and Corpora	Sale	2024-12-09	919	$121.78	$111,916	Disposed (0 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Sale	2024-11-07	4,105	$121.73	$499,686	Disposed (151,304 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Sale	2024-11-06	4,410	$120.51	$531,445	Disposed (155,409 owned after)	EDGAR
MGRC	HANNA JOSEPH F	President and CEO	Sale	2024-11-06	11,430	$119.64	$1,367,526	Disposed (159,819 owned after)	EDGAR
MGRC	Box Kimberly Ann	Director	Sale	2024-11-01	1,000	$114.62	$114,622	Disposed (7,500 owned after)	EDGAR
MGRC	Skenesky John P	VP and Division Manager	Sale	2024-11-01	5,000	$114.86	$574,287	Disposed (8,711 owned after)	EDGAR
MGRC	Hawkins Philip B	Senior VP Mobile Modular Div	Sale	2024-10-30	254	$117.23	$29,776	Disposed (0 owned after)	EDGAR
MGRC	Wescott Tara	Vice President Human Resources	Sale	2024-10-30	1,379	$117.48	$162,001	Disposed (2,244 owned after)	EDGAR
MGRC	Whitney David M	VP, Controller, PAO	Sale	2024-10-30	5,176	$117.00	$605,582	Disposed (205 owned after)	EDGAR
MGRC	VAN TREASE KRISTINA	Chief Strategy Officer	Sale	2024-10-30	5,176	$117.00	$605,582	Disposed (205 owned after)	EDGAR
MGRC	Hawkins Philip B	Senior VP Mobile Modular Div	Sale	2024-10-30	1,618	$115.81	$187,380	Disposed (2,665 owned after)	EDGAR
MGRC	Hawkins Philip B	Senior VP Mobile Modular Div	Sale	2024-10-30	2,411	$116.48	$280,824	Disposed (254 owned after)	EDGAR
MGRC	DAWSON WILLIAM J	Director	Sale	2024-10-29	3,897	$115.66	$450,731	Disposed (4,000 owned after)	EDGAR
MGRC	DAWSON WILLIAM J	Director	Sale	2024-10-29	16,103	$114.84	$1,849,322	Disposed (7,897 owned after)	EDGAR
MGRC	FETTER ELIZABETH A	Director	Sale	2024-10-28	3,000	$115.34	$346,028	Disposed (3,970 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Sale	2024-10-28	4,996	$114.51	$572,097	Disposed (51,871 owned after)	EDGAR
MGRC	PRATT KEITH E	Executive VP and CFO	Sale	2024-10-28	4	$115.17	$461	Disposed (51,867 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