Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 65 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

65 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 3, 2008 ATO S 1,300 $23.79 $30,927 94,557 Direct -1.36% Disposed 564.4% (price as of 2026-10-05)
Dec. 3, 2008 ATO S 1,500 $23.77 $35,655 95,857 Direct -1.54% Disposed 564.9% (price as of 2026-10-05)
Dec. 3, 2008 ATO S 1,200 $23.74 $28,488 97,357 Direct -1.22% Disposed 565.8% (price as of 2026-10-05)
Sept. 11, 2008 ATO S 4,538 $26.63 $120,847 74,171 Direct -5.77% Disposed 493.5% (price as of 2026-10-05)
Sept. 10, 2008 ATO S 4,600 $26.10 $120,060 78,709 Direct -5.52% Disposed 505.6% (price as of 2026-10-05)
Sept. 8, 2008 ATO S 5,850 $26.48 $154,908 83,309 Direct -6.56% Disposed 496.9% (price as of 2026-10-05)
Aug. 12, 2008 ATO S 5,000 $26.69 $133,450 89,159 Direct -5.31% Disposed 492.2% (price as of 2026-10-05)
June 10, 2008 ATO S 1,200 $27.02 $32,424 94,159 Direct -1.26% Disposed 484.9% (price as of 2026-10-05)
Nov. 28, 2007 ATO S 3,000 $26.16 $78,480 90,409 Direct -3.21% Disposed 504.2% (price as of 2026-10-05)
March 7, 2007 ATO S 300 $31.31 $9,393 70,087 Direct -0.43% Disposed 404.8% (price as of 2026-10-05)
March 7, 2007 ATO S 900 $31.30 $28,170 70,387 Direct -1.26% Disposed 405.0% (price as of 2026-10-05)
March 7, 2007 ATO S 100 $31.29 $3,129 71,287 Direct -0.14% Disposed 405.1% (price as of 2026-10-05)
March 7, 2007 ATO S 500 $31.28 $15,640 71,387 Direct -0.70% Disposed 405.3% (price as of 2026-10-05)
March 7, 2007 ATO S 300 $31.24 $9,372 71,887 Direct -0.42% Disposed 405.9% (price as of 2026-10-05)
March 7, 2007 ATO S 1,100 $31.23 $34,353 72,187 Direct -1.50% Disposed 406.1% (price as of 2026-10-05)
March 7, 2007 ATO S 100 $31.22 $3,122 73,287 Direct -0.14% Disposed 406.2% (price as of 2026-10-05)
March 7, 2007 ATO S 1,300 $31.21 $40,573 73,387 Direct -1.74% Disposed 406.4% (price as of 2026-10-05)
March 7, 2007 ATO S 400 $31.25 $12,500 74,687 Direct -0.53% Disposed 405.8% (price as of 2026-10-05)
April 6, 2006 ATO S 300 $26.57 $7,971 49,556 Direct -0.60% Disposed 494.8% (price as of 2026-10-05)
April 6, 2006 ATO S 1,800 $26.54 $47,772 49,856 Direct -3.48% Disposed 495.5% (price as of 2026-10-05)
Dec. 30, 2005 ATO S 2,000 $26.02 $52,040 53,223 Direct -3.62% Disposed 507.4% (price as of 2026-10-05)
Aug. 26, 2005 ATO S 17,960 $28.99 $520,660 46,780 Direct -27.74% Disposed 445.2% (price as of 2026-10-05)
Dec. 2, 2003 ATO S 2,400 $24.80 $59,520 29,398 Direct -7.55% Disposed 537.3% (price as of 2026-10-05)
Dec. 1, 2003 ATO S 13,321 $24.80 $330,361 29,398 Direct -31.18% Disposed 537.3% (price as of 2026-10-05)
Dec. 1, 2003 ATO S 12,479 $24.80 $309,479 29,398 Direct -29.80% Disposed 537.3% (price as of 2026-10-05)
Nov. 26, 2003 ATO S 2,004 $24.80 $49,699 29,398 Direct -6.38% Disposed 537.3% (price as of 2026-10-05)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
March 8, 2026 HESM 2026 Phantom Shares Class A Shares (1,656) · · 1,656 Acquired
March 8, 2026 HESM 2025 Phantom Shares Class A Shares (1,612) $0.00 · 1,612 Disposed
March 8, 2025 HESM 2024 Phantom Shares Class A Shares (1,855) $0.00 · 1,855 Disposed
March 8, 2025 HESM 2025 Phantom Shares Class A Shares (1,612) · · 1,612 Acquired
March 8, 2024 HESM 2024 Phantom Shares Class A Shares (1,855) · · 1,855 Acquired
March 8, 2024 HESM 2023 Phantom Shares Class A Shares (2,299) $0.00 · 2,299 Disposed
March 8, 2023 HESM 2023 Phantom Shares Class A Shares (2,299) · · 2,299 Acquired
March 8, 2023 HESM 2022 Phantom Shares Class A Shares (1,939) $0.00 · 1,939 Disposed
March 8, 2022 HESM 2022 Phantom Shares Class A Shares (1,939) · · 1,939 Acquired
March 8, 2022 HESM 2021 Phantom Shares Class A Shares (2,902) $0.00 · 2,902 Disposed
March 13, 2021 HESM 2020 Phantom Shares Class A Shares (6,069) $0.00 · 6,069 Disposed
March 8, 2021 HESM 2021 Phantom Shares Class A Shares (2,902) · · 2,902 Acquired
March 13, 2020 HESM 2020 Phantom Shares Class A Shares (6,069) · · 6,069 Acquired
March 9, 2020 HESM 2019 Phantom Shares Class A Shares (2,856) $0.00 · 2,856 Disposed
Dec. 16, 2019 HESM 2019 Phantom Shares Class A Shares (2,856) · · 2,856 Acquired
Dec. 2, 2003 ATO Employee Stock Option (right to buy) Common Stock (2,400) $14.78 April 25, 2010 2,400 Disposed
Dec. 2, 2003 ATO Employee Stock Option (right to buy) Common Stock (5,121) $14.78 April 25, 2010 5,121 Disposed
Dec. 2, 2003 ATO Employee Stock Option (right to buy) Common Stock (4,675) $15.65 March 6, 2010 4,675 Disposed
Dec. 1, 2003 ATO Employee Stock Option (right to buy) Common Stock (12,479) $14.78 April 25, 2010 12,479 Disposed
Dec. 1, 2003 ATO Employee Stock Option (right to buy) Common Stock (13,321) $15.65 March 6, 2010 13,321 Disposed
Nov. 26, 2003 ATO Employee Stock Option (right to buy) Common Stock (2,004) $15.65 March 6, 2010 2,004 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

08

Matched by name from proxy statements (DEF 14A) — verify against the filing.

ATO

CFO
Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2007 $399,470 · $804,897 · $242,200 $629,884 $49,462 $2,125,913
2006 $384,592,345,249,304,256 $233,800,188,600,190,208 · · · · $10,892,990,410,540 ·
2005 $345,249,304,283,293,440 $188,600,190,200,114,304 · · · · $9,904,105,409,835 ·

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.