Insider

Insider

Form 4/4-A open-market insider transactions (officers, directors, 10% owners) · 75 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.
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Ticker Insider Role Type Date Shares Price Value Notes Filing
ATO ROBBINS J MATT SR VP, HUMAN RESOURCES Gift 2026-09-15 1,500 — — Disposed (25,866 owned after) EDGAR
ATO WARE WILLIAM JAMES Director Purchase 2026-08-11 300 $167.59 $50,278 Acquired (488 owned after) EDGAR
ATO GARZA RAFAEL G Director Award 2026-07-01 65 $172.92 $11,240 Acquired (257 owned after) EDGAR
ATO Forsythe Christopher T SR VICE PRESIDENT & CFO Option exercise 2026-05-02 3,970 $189.74 $753,268 Acquired (63,584 owned after) EDGAR
ATO Forsythe Christopher T SR VICE PRESIDENT & CFO Tax withholding 2026-05-02 1,563 $189.74 $296,564 Disposed (62,021 owned after) EDGAR
ATO MCDILL JOHN S SR VP, UTILITY OPERATIONS Option exercise 2026-05-02 2,815 $189.74 $534,118 Acquired (37,414 owned after) EDGAR
ATO FAULK MICHELLE Vice President & Controller Option exercise 2026-05-02 175 $189.74 $33,204 Acquired (1,271 owned after) EDGAR
ATO FAULK MICHELLE Vice President & Controller Tax withholding 2026-05-02 70 $189.74 $13,282 Disposed (1,201 owned after) EDGAR
ATO HARTSFIELD KAREN E Senior Advisor Tax withholding 2026-05-02 1,042 $189.74 $197,709 Disposed (32,985 owned after) EDGAR
ATO HARTSFIELD KAREN E Senior Advisor Option exercise 2026-05-02 2,815 $189.74 $534,118 Acquired (34,027 owned after) EDGAR
ATO ROBBINS J MATT SR VP, HUMAN RESOURCES Option exercise 2026-05-02 2,815 $189.74 $534,118 Acquired (28,408 owned after) EDGAR
ATO ROBBINS J MATT SR VP, HUMAN RESOURCES Tax withholding 2026-05-02 1,042 $189.74 $197,709 Disposed (27,366 owned after) EDGAR
ATO AKERS JOHN K PRESIDENT & CEO Option exercise 2026-05-02 16,850 $189.74 $3,197,119 Acquired (142,214 owned after) EDGAR
ATO AKERS JOHN K PRESIDENT & CEO Tax withholding 2026-05-02 6,235 $187.74 $1,170,559 Disposed (135,979 owned after) EDGAR
ATO MCDILL JOHN S SR VP, UTILITY OPERATIONS Tax withholding 2026-05-02 1,042 $189.74 $197,709 Disposed (36,372 owned after) EDGAR
ATO GARZA RAFAEL G Director Award 2026-04-01 60 $185.09 $11,105 Acquired (192 owned after) EDGAR
ATO COCKLIN KIM R Director Option exercise 2026-03-07 1,082 $184.73 $199,878 Acquired (173,713 owned after) EDGAR
ATO Ale John C. Director Option exercise 2026-03-07 1,082 $184.73 $199,878 Acquired (1,082 owned after) EDGAR
ATO COMPTON KELLY H Director Option exercise 2026-03-07 1,082 $184.73 $199,878 Acquired (7,959 owned after) EDGAR
ATO Sampson Richard A Director Conversion 2026-02-04 685 $171.62 $117,560 Acquired (41,767 owned after) EDGAR
ATO Sampson Richard A Director Conversion 2026-02-04 30,808 $171.62 $5,287,269 Acquired (41,082 owned after) EDGAR
ATO BATEMAN JESSICA WALKER Sr VP, Gen Counsel, Corp Sec'y Tax withholding 2026-01-02 1,042 $168.23 $175,296 Disposed (1,458 owned after) EDGAR
ATO BATEMAN JESSICA WALKER Sr VP, Gen Counsel, Corp Sec'y Option exercise 2026-01-02 2,500 $168.23 $420,575 Acquired (2,500 owned after) EDGAR
ATO GARZA RAFAEL G Director Award 2026-01-02 66 $168.23 $11,103 Acquired (132 owned after) EDGAR
ATO COMPTON KELLY H Director Gift 2025-12-16 442 $169.16 $74,769 Disposed (6,877 owned after) EDGAR
ATO ROBBINS J MATT SR VP, HUMAN RESOURCES Gift 2025-12-10 1,500 $166.80 $250,200 Disposed (25,593 owned after) EDGAR
ATO DONOHUE SEAN Director Sale 2025-12-03 450 $171.15 $77,018 Disposed (876 owned after) EDGAR
ATO Forsythe Christopher T SR VICE PRESIDENT & CFO Option exercise 2025-11-04 7,610 $172.96 $1,316,226 Acquired (62,609 owned after) EDGAR
ATO Forsythe Christopher T SR VICE PRESIDENT & CFO Tax withholding 2025-11-04 2,995 $172.96 $518,015 Disposed (59,614 owned after) EDGAR
ATO FAULK MICHELLE Vice President & Controller Tax withholding 2025-11-04 116 $172.96 $20,063 Disposed (1,091 owned after) EDGAR
ATO HARTSFIELD KAREN E Senior Advisor Option exercise 2025-11-04 5,396 $172.96 $933,292 Acquired (33,336 owned after) EDGAR
ATO HARTSFIELD KAREN E Senior Advisor Tax withholding 2025-11-04 2,124 $172.96 $367,367 Disposed (31,212 owned after) EDGAR
ATO FAULK MICHELLE Vice President & Controller Option exercise 2025-11-04 336 $172.96 $58,115 Acquired (1,207 owned after) EDGAR
ATO ROBBINS J MATT SR VP, HUMAN RESOURCES Tax withholding 2025-11-04 2,124 $172.96 $367,367 Disposed (27,093 owned after) EDGAR
ATO ROBBINS J MATT SR VP, HUMAN RESOURCES Option exercise 2025-11-04 5,396 $172.96 $933,292 Acquired (29,217 owned after) EDGAR
ATO MCDILL JOHN S SR VP, UTILITY OPERATIONS Option exercise 2025-11-04 5,396 $172.96 $933,292 Acquired (36,718 owned after) EDGAR
ATO MCDILL JOHN S SR VP, UTILITY OPERATIONS Tax withholding 2025-11-04 2,124 $172.96 $367,367 Disposed (34,594 owned after) EDGAR
ATO AKERS JOHN K PRESIDENT & CEO Tax withholding 2025-11-04 12,709 $172.96 $2,198,149 Disposed (125,364 owned after) EDGAR
ATO AKERS JOHN K PRESIDENT & CEO Option exercise 2025-11-04 32,297 $172.96 $5,586,089 Acquired (138,073 owned after) EDGAR
ATO GARZA RAFAEL G Director Award 2025-10-01 66 $170.12 $11,228 Acquired (66 owned after) EDGAR
ATO COCKLIN KIM R Director Sale 10b5-1 2025-05-14 15,000 $150.98 $2,264,685 Disposed (172,631 owned after) EDGAR
ATO AKERS JOHN K PRESIDENT & CEO Option exercise 2025-05-02 11,140 $160.66 $1,789,697 Acquired (109,898 owned after) EDGAR
ATO ROBBINS J MATT SR VP, HUMAN RESOURCES Tax withholding 2025-05-02 996 $160.66 $160,012 Disposed (23,821 owned after) EDGAR
ATO ROBBINS J MATT SR VP, HUMAN RESOURCES Option exercise 2025-05-02 2,505 $160.66 $402,441 Acquired (24,817 owned after) EDGAR
ATO FAULK MICHELLE Vice President & Controller Option exercise 2025-05-02 160 $160.66 $25,705 Acquired (929 owned after) EDGAR
ATO MCDILL JOHN S SR VP, UTILITY OPERATIONS Option exercise 2025-05-02 2,505 $160.66 $402,441 Acquired (32,243 owned after) EDGAR
ATO HARTSFIELD KAREN E Senior Advisor Option exercise 2025-05-02 2,505 $160.66 $402,441 Acquired (28,926 owned after) EDGAR
ATO FAULK MICHELLE Vice President & Controller Tax withholding 2025-05-02 64 $160.66 $10,282 Disposed (865 owned after) EDGAR
ATO HARTSFIELD KAREN E Senior Advisor Tax withholding 2025-05-02 986 $160.66 $158,406 Disposed (27,940 owned after) EDGAR
ATO AKERS JOHN K PRESIDENT & CEO Tax withholding 2025-05-02 4,122 $160.66 $662,220 Disposed (105,776 owned after) EDGAR
ATO MCDILL JOHN S SR VP, UTILITY OPERATIONS Tax withholding 2025-05-02 927 $160.66 $148,927 Disposed (31,316 owned after) EDGAR
ATO Forsythe Christopher T SR VICE PRESIDENT & CFO Option exercise 2025-05-02 3,430 $160.66 $551,047 Acquired (56,349 owned after) EDGAR
ATO Forsythe Christopher T SR VICE PRESIDENT & CFO Tax withholding 2025-05-02 1,350 $160.66 $216,884 Disposed (54,999 owned after) EDGAR
ATO COCKLIN KIM R Director Option exercise 2025-03-08 1,293 $147.75 $191,041 Acquired (187,631 owned after) EDGAR
ATO DONOHUE SEAN Director Option exercise 2025-03-08 1,293 $147.75 $191,041 Acquired (1,311 owned after) EDGAR
ATO COMPTON KELLY H Director Option exercise 2025-03-08 1,293 $147.75 $191,041 Acquired (7,319 owned after) EDGAR
ATO WALTERS DIANA J Director Option exercise 2025-02-05 1,293 $144.69 $187,084 Acquired (9,300 owned after) EDGAR
ATO WALTERS DIANA J Director Conversion 2025-02-05 4,456 $144.69 $644,739 Acquired (8,007 owned after) EDGAR
ATO GORDON RICHARD K Director Conversion 2025-02-05 71,980 $144.69 $10,414,786 Acquired (81,980 owned after) EDGAR
ATO ROBBINS J MATT SR VP, HUMAN RESOURCES Gift 2024-11-15 1,500 — — Disposed (22,312 owned after) EDGAR
ATO Geiser Edward Director Purchase 2024-11-11 2,500 $144.89 $362,225 Acquired (2,602 owned after) EDGAR
ATO THOMAS RICHARD M VICE PRESIDENT & CONTROLLER Tax withholding 2024-11-05 484 $137.32 $66,463 Disposed (3,960 owned after) EDGAR
ATO FAULK MICHELLE Vice President & Controller Option exercise 2024-11-05 294 $137.32 $40,372 Acquired (870 owned after) EDGAR
ATO FAULK MICHELLE Vice President & Controller Tax withholding 2024-11-05 101 $137.32 $13,869 Disposed (769 owned after) EDGAR
ATO ROBBINS J MATT SR VP, HUMAN RESOURCES Option exercise 2024-11-05 4,588 $137.32 $630,024 Acquired (25,618 owned after) EDGAR
ATO ROBBINS J MATT SR VP, HUMAN RESOURCES Tax withholding 2024-11-05 1,806 $137.32 $248,000 Disposed (23,812 owned after) EDGAR
ATO AKERS JOHN K PRESIDENT & CEO Option exercise 2024-11-05 20,403 $137.32 $2,801,740 Acquired (106,787 owned after) EDGAR
ATO AKERS JOHN K PRESIDENT & CEO Tax withholding 2024-11-05 8,029 $137.32 $1,102,542 Disposed (98,758 owned after) EDGAR
ATO MCDILL JOHN S SR VP, UTILITY OPERATIONS Option exercise 2024-11-05 4,588 $137.32 $630,024 Acquired (31,539 owned after) EDGAR
ATO MCDILL JOHN S SR VP, UTILITY OPERATIONS Tax withholding 2024-11-05 1,806 $137.32 $248,000 Disposed (29,733 owned after) EDGAR
ATO HARTSFIELD KAREN E SR VP, GC & CORPORATE SEC'Y Option exercise 2024-11-05 4,588 $137.32 $630,024 Acquired (28,227 owned after) EDGAR
ATO HARTSFIELD KAREN E SR VP, GC & CORPORATE SEC'Y Tax withholding 2024-11-05 1,806 $137.32 $248,000 Disposed (26,421 owned after) EDGAR
ATO Forsythe Christopher T SR VICE PRESIDENT & CFO Option exercise 2024-11-05 6,283 $137.32 $862,782 Acquired (55,392 owned after) EDGAR
ATO Forsythe Christopher T SR VICE PRESIDENT & CFO Tax withholding 2024-11-05 2,473 $137.32 $339,592 Disposed (52,919 owned after) EDGAR
ATO THOMAS RICHARD M VICE PRESIDENT & CONTROLLER Option exercise 2024-11-05 1,228 $137.32 $168,629 Acquired (4,444 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