Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 64 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

64 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Dec. 13, 2017 ACM S 4,390 $38.00 $166,820 138,941 Direct +3.26% Acquired 59.2% (price as of )
Feb. 26, 2016 ACM S 7,630 $27.60 $210,588 127,858 Direct -5.63% Disposed 119.2% (price as of )
Feb. 27, 2015 ACM S 10b5-1 10,000 $29.87 $298,700 121,376 Direct -7.61% Disposed 102.5% (price as of )
Jan. 14, 2014 ACM S 10b5-1 6,986 $30.00 $209,580 16,372 Direct -29.91% Disposed 101.6% (price as of )
May 15, 2007 ACM S 7,339,450 $18.77 $137,761,476 638,213 Indirect -92.00% Disposed 222.3% (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
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 (4,229) · · 4,229 Disposed
Feb. 28, 2018 ACM Restricted Stock Units Common Stock (4,506) · · 4,506 Acquired
Dec. 13, 2017 ACM Stock Option Common Stock (5,160) $28.44 March 3, 2018 5,160 Disposed
March 1, 2017 ACM Restricted Stock Units Common Stock (4,836) · · 4,836 Disposed
March 1, 2017 ACM Restricted Stock Units Common Stock (4,229) · · 4,229 Acquired
Feb. 9, 2017 ACM Employee Stock Options Common Stock (4,956) $28.67 March 5, 2017 4,956 Disposed
March 2, 2016 ACM Restricted Stock Units Common Stock (4,327) · · 4,327 Disposed
March 2, 2016 ACM Restricted Stock Units Common Stock (4,836) · · 4,836 Acquired
Feb. 26, 2016 ACM Stock Option Common Stock (10,000) $21.01 March 5, 2016 10,000 Disposed
March 4, 2015 ACM Restricted Stock Units Common Stock (4,112) · · 4,112 Disposed
March 4, 2015 ACM Restricted Stock Units Common Stock (4,327) · · 4,327 Acquired
Feb. 27, 2015 ACM Stock Option Common Stock (10,000) $27.00 Feb. 28, 2015 10,000 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
Jan. 14, 2014 ACM Stock Option Common Stock (7,500) $24.71 June 15, 2014 7,500 Disposed
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 Unit Common Stock (4,885) · · 4,885 Acquired
March 3, 2012 ACM Restricted Stock Unit Common Stock (1,759) · · 1,759 Disposed
March 5, 2011 ACM Restricted Stock Unit Common Stock (1,744) · · 1,744 Disposed
March 3, 2011 ACM Stock Option Common Stock (5,160) $28.44 March 3, 2018 5,160 Acquired
March 3, 2011 ACM Restricted Stock Unit Common Stock (1,759) · · 1,759 Acquired
Dec. 15, 2010 ACM Common Stock Unit Common Stock (7,470) · Dec. 15, 2010 7,470 Acquired
March 5, 2010 ACM Stock Option Common Stock (4,956) $28.67 March 5, 2017 4,956 Acquired
March 5, 2010 ACM Restricted Stock Unit Common Stock (1,744) · · 1,744 Acquired
Dec. 10, 2009 ACM Common Stock Unit Common Stock (788) · · 788 Acquired
Sept. 28, 2009 ACM Common Stock Unit Common Stock (558) · · 558 Acquired
June 15, 2009 ACM Common Stock Unit Common Stock (590) · · 590 Acquired
April 13, 2009 ACM Common Stock Unit Common Stock (570) · · 570 Acquired
March 5, 2009 ACM Stock Option Common Stock (10,000) $21.01 March 5, 2016 10,000 Acquired
Dec. 18, 2008 ACM Common Stock Unit Common Stock (485) · · 485 Acquired
Oct. 21, 2008 ACM Common Stock Unit Common Stock (1,056) · · 1,056 Acquired
June 25, 2008 ACM Common Stock Unit Common Stock (47) · · 47 Acquired
June 23, 2008 ACM Common Stock Common Stock (483) · · 483 Acquired
April 2, 2008 ACM Common Stock Common Stock (53) · · 53 Acquired
March 31, 2008 ACM Common Stock Common Stock (557) · · 557 Acquired
Jan. 31, 2008 ACM Common Stock Unit Common Stock (81) · · 81 Acquired
Jan. 29, 2008 ACM Common Stock Unit Common Stock (817) · · 817 Acquired
Oct. 11, 2007 ACM Common Stock Unit Common Stock (55) · · 55 Acquired
Oct. 9, 2007 ACM Common Stock Unit Common Stock (310) · · 310 Acquired
July 19, 2007 ACM Common Stock Unit Common Stock (156) · · 156 Acquired
July 17, 2007 ACM Common Stock Unit Common Stock (865) · · 865 Acquired
June 15, 2007 ACM Stock Option Common Stock (7,500) $24.71 June 15, 2014 7,500 Acquired
May 15, 2007 ACM Class G Preferred Stock Common · · 40,000 Disposed

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
March 30, 2007 ACM Class G Convertible Preferred→ Common (40,000) 40,000 Indirect

Holdings reported on Form 4 17 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
Dec. 14, 2017 ACM Restricted Stock Units→ Common Stock (4,229) 4,229 · · Direct
Feb. 10, 2017 ACM Employee Stock Options→ Common Stock (5,160) 5,160 · · Direct
Feb. 10, 2017 ACM Restricted Stock Units→ Common Stock (4,836) 4,836 · · Direct
March 1, 2016 ACM Stock Option→ Common Stock (4,956) 4,956 $28.67 March 5, 2017 Direct
March 1, 2016 ACM Stock Option→ Common Stock (5,160) 5,160 $28.44 March 3, 2018 Direct
March 1, 2016 ACM Restricted Stock Units→ Common Stock (4,327) 4,327 · · Direct
March 3, 2015 ACM Stock Option→ Common Stock (10,000) 10,000 $21.01 March 5, 2016 Direct
March 3, 2015 ACM Stock Option→ Common Stock (4,956) 4,956 $28.67 March 5, 2017 Direct
March 3, 2015 ACM Stock Option→ Common Stock (5,160) 5,160 $28.44 March 3, 2018 Direct
March 3, 2015 ACM Restricted Stock Units→ Common Stock (4,112) 4,112 · · Direct
Jan. 16, 2014 ACM Common Stock 101,467 · · Indirect
Jan. 16, 2014 ACM Stock Option→ Common Stock (10,000) 10,000 $27.00 Feb. 28, 2015 Direct
Jan. 16, 2014 ACM Stock Option→ Common Stock (10,000) 10,000 $21.01 March 5, 2016 Direct
Jan. 16, 2014 ACM Stock Option→ Common Stock (4,956) 4,956 $28.67 March 5, 2017 Direct
Jan. 16, 2014 ACM Stock Option→ Common Stock (5,160) 5,160 $28.44 March 3, 2018 Direct
Jan. 16, 2014 ACM Restricted Stock Units→ Common Stock (3,537) 3,537 · · Direct
May 16, 2007 ACM Common Stock 101,467 · · Indirect