Insider at

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Insider transactions

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1 buys (P) 2 sells (S) Net: $-1,402,794 + 46 non-open-market transactions below Avg return of open purchases vs now: -15.4% 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

46 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
June 16, 2026 ACM P 4,224 $70.63 $298,341 153,446 Direct +2.83% Acquired -15.4% (price as of 2026-10-05)
Dec. 17, 2025 ACM S 10b5-1 17,340 $97.01 $1,682,153 149,415 Direct -10.40% Disposed -38.4% (price as of 2026-10-05)
Dec. 17, 2025 ACM S 10b5-1 193 $98.35 $18,982 149,222 Direct -0.13% Disposed -39.2% (price as of 2026-10-05)
Dec. 14, 2023 ACM S 30,692 $92.50 $2,839,010 53,752 Direct -36.35% Disposed -35.4% (price as of 2026-10-05)
Jan. 9, 2023 ACM S 10b5-1 3,165 $82.41 $260,828 76,684 Direct -3.96% Disposed -27.5% (price as of 2026-10-05)
Jan. 9, 2023 ACM S 10b5-1 2,833 $83.66 $237,009 73,851 Direct -3.69% Disposed -28.6% (price as of 2026-10-05)
Jan. 9, 2023 ACM S 10b5-1 500 $84.30 $42,150 73,351 Direct -0.68% Disposed -29.1% (price as of 2026-10-05)
Sept. 17, 2018 ACM S 10b5-1 1,607 $32.49 $52,211 2,288 Direct -41.26% Disposed 83.9% (price as of 2026-10-05)
March 14, 2018 ACM S 4,976 $36.70 $182,619 3,895 Direct -56.09% Disposed 62.8% (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.

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DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Dec. 15, 2025 ACM Restricted Stock Units Common Stock (10,040) · · 10,040 Disposed
Dec. 15, 2024 ACM Restricted Stock Units Common Stock (10,175) · · 10,175 Disposed
Aug. 15, 2023 ACM Restricted Stock Units Common Stock (17,821) · · 17,821 Disposed
Dec. 16, 2022 ACM Restricted Stock Units Common Stock (9,290) · · 9,290 Disposed
Dec. 15, 2022 ACM Restricted Stock Units Common Stock (10,040) · · 10,040 Acquired
Dec. 17, 2021 ACM Restricted Stock Units Common Stock (10,182) · · 10,182 Disposed
Dec. 15, 2021 ACM Restricted Stock Units Common Stock (10,175) · · 10,175 Acquired
Dec. 15, 2020 ACM Restricted Stock Units Common Stock (5,416) · · 5,416 Disposed
Aug. 15, 2020 ACM Restricted Stock Units Common Stock (17,821) · · 17,821 Acquired
Dec. 15, 2019 ACM Restricted Stock Units Common Stock (9,290) · · 9,290 Acquired
Dec. 15, 2019 ACM Restricted Stock Units Common Stock (2,359) · · 2,359 Disposed
Dec. 15, 2018 ACM Restricted Stock Units Common Stock (10,182) · · 10,182 Acquired
Dec. 15, 2018 ACM Restricted Stock Units Common Stock (2,507) · · 2,507 Disposed
Dec. 15, 2017 ACM Restricted Stock Units Common Stock (5,416) · · 5,416 Acquired
Dec. 15, 2017 ACM Restricted Stock Units Common Stock (2,315) · · 2,315 Acquired

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

Initial ownership (Form 3) 7 holdings

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Securities held when first becoming an insider, per SEC Form 3.

DateTickerSecuritySharesOwnership
Dec. 18, 2017 ACM Common Stock 3,895 Direct
Dec. 18, 2017 ACM Restricted Stock Units→ Common Stock (2,315) 2,315 Direct
Dec. 18, 2017 ACM Restricted Stock Units→ Common Stock (2,507) 2,507 Direct
Dec. 18, 2017 ACM Restricted Stock Units→ Common Stock (2,359) 2,359 Direct
Nov. 21, 2017 ACM Restricted Stock Units→ Common Stock (2,315) 2,315 Direct
Nov. 21, 2017 ACM Restricted Stock Units→ Common Stock (2,507) 2,507 Direct
Nov. 21, 2017 ACM Restricted Stock Units→ Common Stock (2,359) 2,359 Direct

Compensation (DEF 14A)

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

ACM

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2020 $588,043 $0 $1,690,087 $0 $983,508 $0 $220,337 $3,481,976

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