Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 15 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

15 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Nov. 15, 2019 ACM S 28,160 $43.12 $1,214,259 0 Direct -100.00% Disposed 40.3% (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 (9,290) · · 9,290 Acquired
Dec. 15, 2018 ACM Restricted Stock Unit Common Stock (10,027) · · 10,027 Disposed
Dec. 15, 2018 ACM Restricted Stock Unit Common Stock (14,546) · · 14,546 Acquired
Dec. 15, 2017 ACM Restricted Stock Unit Common Stock (8,486) · · 8,486 Acquired
Dec. 15, 2017 ACM Restricted Stock Unit Common Stock (10,832) · · 10,832 Acquired

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

Initial ownership (Form 3) 3 holdings

07

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

DateTickerSecuritySharesOwnership
Nov. 21, 2017 ACM Restricted Stock Units→ Common Stock (8,486) 8,486 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

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

DateTickerSecuritySharesExercise priceExpirationOwnership
Dec. 17, 2019 ACM Common Stock 242 · · Indirect
Nov. 19, 2019 ACM Common Stock 242 · · Indirect
Nov. 19, 2019 ACM Restricted Stock Unit→ Common Stock (6,814) 6,814 · · Direct
Nov. 19, 2019 ACM Restricted Stock Unit→ Common Stock (10,832) 10,832 · · Direct
Nov. 19, 2019 ACM Restricted Stock Unit→ Common Stock (14,546) 14,546 · · Direct
Dec. 18, 2018 ACM Common Stock 110 · · Indirect