Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 12 non-open-market transactions below 12 months to the week close of 2026-10-23

Price change vs the latest weekly close (updated to the current quote in your browser when available), split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

12 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Aug. 20, 2020 ACM S 21,594 $38.57 $832,881 38,214 Direct -36.11% Disposed 56.8% (price as of )
June 4, 2018 ACM S 18,000 $33.40 $601,200 21,816 Direct -45.21% Disposed 81.1% (price as of )
June 1, 2018 ACM S 1,700 $33.31 $56,627 39,816 Direct -4.09% Disposed 81.6% (price as of )

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
Dec. 15, 2019 ACM Restricted Stock Unit Common Stock (6,814) · · 6,814 Disposed
Dec. 15, 2019 ACM Restricted Stock Unit Common Stock (6,503) · · 6,503 Acquired
Dec. 15, 2018 ACM Restricted Stock Unit Common Stock (10,027) · · 10,027 Disposed
Dec. 15, 2018 ACM Restricted Stock Unit Common Stock (10,182) · · 10,182 Acquired
Dec. 15, 2017 ACM Restricted Stock Unit Common Stock (7,714) · · 7,714 Acquired
Dec. 15, 2017 ACM Restricted Stock Unit Common Stock (7,041) · · 7,041 Acquired

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

Initial ownership (Form 3) 4 holdings

07

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

DateTickerSecuritySharesOwnership
Nov. 21, 2017 ACM Common Stock 24,159 Direct
Nov. 21, 2017 ACM Restricted Stock Units→ Common Stock (7,714) 7,714 Direct
Nov. 21, 2017 ACM Restricted Stock Units→ Common Stock (10,027) 10,027 Direct
Nov. 21, 2017 ACM Restricted Stock Units→ Common Stock (6,814) 6,814 Direct

Holdings reported on Form 4 6 reported holdings

08

Positions listed on each Form 4 without a transaction in that filing (Table I and II holdings), newest filing first.

DateTickerSecuritySharesExercise priceExpirationOwnership
Aug. 21, 2020 ACM Restricted Stock Unit→ Common Stock (7,041) 7,041 · · Direct
Aug. 21, 2020 ACM Restricted Stock Unit→ Common Stock (10,182) 10,182 · · Direct
Aug. 21, 2020 ACM Restricted Stock Unit→ Common Stock (6,503) 6,503 · · Direct
June 5, 2018 ACM Restricted Stock Unit→ Common Stock (10,027) 10,027 · · Direct
June 5, 2018 ACM Restricted Stock Unit→ Common Stock (6,814) 6,814 · · Direct
June 5, 2018 ACM Restricted Stock Unit→ Common Stock (7,041) 7,041 · · Direct