Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 46 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

46 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 26, 2017 ACM S 10b5-1 5,160 $37.12 $191,539 17,596 Direct -22.68% Disposed 61.0% (price as of 2026-10-05)
Dec. 26, 2017 ACM S 10b5-1 1,308 $37.12 $48,553 17,596 Direct -6.92% Disposed 61.0% (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
Feb. 24, 2021 ACM Restricted Stock Units Common Stock (4,396) · · 4,396 Disposed
March 11, 2020 ACM Restricted Stock Units Common Stock (4,396) · · 4,396 Acquired
March 6, 2020 ACM Restricted Stock Units Common Stock (5,245) · · 5,245 Disposed
March 6, 2019 ACM Restricted Stock Units Common Stock (5,245) · · 5,245 Acquired
Feb. 28, 2019 ACM Restricted Stock Units Common Stock (4,506) · · 4,506 Disposed
Feb. 28, 2018 ACM Restricted Stock Units Common Stock (4,506) · · 4,506 Acquired
Feb. 28, 2018 ACM Restricted Stock Units Common Stock (4,229) · · 4,229 Disposed
Dec. 26, 2017 ACM Stock Options Common Stock (5,160) $28.44 March 3, 2018 5,160 Disposed
Dec. 26, 2017 ACM Stock Options Common Stock (1,308) $28.04 Jan. 18, 2018 1,308 Disposed
March 1, 2017 ACM Restricted Stock Units Common Stock (4,229) · · 4,229 Acquired
March 1, 2017 ACM Restricted Stock Units Common Stock (4,836) · · 4,836 Disposed
March 2, 2016 ACM Restricted Stock Units Common Stock (4,836) · · 4,836 Acquired
March 2, 2016 ACM Restricted Stock Units Common Stock (4,327) · · 4,327 Disposed
March 4, 2015 ACM Restricted Stock Units Common Stock (4,327) · · 4,327 Acquired
March 4, 2015 ACM Restricted Stock Units Common Stock (4,112) · · 4,112 Disposed
March 6, 2014 ACM Restricted Stock Units Common Stock (3,537) · · 3,537 Disposed
March 5, 2014 ACM Restricted Stock Units Common Stock (4,112) · · 4,112 Acquired
March 7, 2013 ACM Restricted Stock Units Common Stock (4,885) · · 4,885 Disposed
March 7, 2013 ACM Restricted Stock Units Common Stock (3,537) · · 3,537 Acquired
March 8, 2012 ACM Restricted Stock Units Common Stock (4,885) · · 4,885 Acquired
March 3, 2012 ACM Restricted Stock Units Common Stock (1,759) · · 1,759 Disposed
Jan. 18, 2012 ACM Restricted Stock Unit Common Stock (446) · · 446 Disposed
March 3, 2011 ACM Restricted Stock Unit Common Stock (1,759) · · 1,759 Acquired
March 3, 2011 ACM Stock Option Common Stock (5,160) $28.44 March 3, 2018 5,160 Acquired
Jan. 18, 2011 ACM Restricted Stock Unit Common Stock (446) · · 446 Acquired
Jan. 18, 2011 ACM Stock Option Common Stock (1,308) $28.04 Jan. 18, 2018 1,308 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
Dec. 20, 2010 ACM No securities are beneficially owned 0 Direct