Carla J Christofferson

Insider

First SEC filing: Nov. 6, 2019 · Latest: Nov. 6, 2019

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Compensation Executive pay disclosed in company proxy statements.

Insider at

ACM selling April 12, 2019

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 20 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

20 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 15, 2019	ACM	M	14,151	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Dec. 15, 2019	ACM	A	8,652	—	—	15,759 Direct	+121.74%	Acquired	(price as of 2026-08-21)
Dec. 15, 2019	ACM	F	7,309	$38.16	$278,911	7,107 Direct	-50.70%	Disposed	70.2% (price as of 2026-08-21)
Dec. 15, 2019	ACM	M	14,151	$38.16	$540,002	14,416 Direct	+5340.00%	Acquired	70.2% (price as of 2026-08-21)
April 12, 2019	ACM	S 10b5-1	8,403	$32.00	$268,896	648 Direct	-92.84%	Disposed	103.0% (price as of 2026-08-21)
Feb. 11, 2019	ACM	G	175	—	—	9,051 Direct	-1.90%	Disposed	(price as of 2026-08-21)
Dec. 18, 2018	ACM	S 10b5-1	15,756	$27.62	$435,181	9,226 Direct	-63.07%	Disposed	135.2% (price as of 2026-08-21)
Dec. 15, 2018	ACM	A	21,819	—	—	21,819 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 15, 2018	ACM	M	17,380	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Dec. 15, 2018	ACM	A	15,756	—	—	24,982 Direct	+170.78%	Acquired	(price as of 2026-08-21)
Dec. 15, 2018	ACM	F	8,977	$27.91	$250,548	16,579 Direct	-35.13%	Disposed	132.7% (price as of 2026-08-21)
Dec. 15, 2018	ACM	M	17,380	$27.91	$485,076	18,203 Direct	+2111.79%	Acquired	132.7% (price as of 2026-08-21)
July 6, 2018	ACM	S 10b5-1	1,000	$33.00	$33,000	823 Direct	-54.85%	Disposed	96.8% (price as of 2026-08-21)
Dec. 15, 2017	ACM	A	16,247	—	—	16,247 Direct	—	Acquired	(price as of 2026-08-21)
March 24, 2017	ACM	S 10b5-1	9,599	$34.60	$332,125	1,695 Direct	-84.99%	Disposed	87.7% (price as of 2026-08-21)
March 2, 2017	ACM	M	17,048	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 2, 2017	ACM	M	10,599	—	—	11,239 Direct	+1656.09%	Acquired	(price as of 2026-08-21)
March 2, 2017	ACM	F	6,449	$29.33	$189,149	640 Direct	-90.97%	Disposed	121.5% (price as of 2026-08-21)
Dec. 15, 2016	ACM	A	14,152	—	—	14,152 Direct	—	Acquired	(price as of 2026-08-21)
April 15, 2016	ACM	S 10b5-1	10,506	$30.21	$317,386	328 Direct	-96.97%	Disposed	115.0% (price as of 2026-08-21)
March 2, 2016	ACM	M	17,047	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 2, 2016	ACM	M	10,506	—	—	10,768 Direct	+4009.92%	Acquired	(price as of 2026-08-21)
March 2, 2016	ACM	F	6,541	$28.95	$189,362	262 Direct	-96.15%	Disposed	124.4% (price as of 2026-08-21)
Dec. 15, 2015	ACM	A	17,380	—	—	17,380 Direct	—	Acquired	(price as of 2026-08-21)
March 16, 2015	ACM	A	34,095	—	—	34,095 Direct	—	Acquired	(price as of 2026-08-21)

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.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Dec. 15, 2019	ACM	Restricted Stock Unit	Common Stock (14,151)	—	—	14,151	Disposed
Dec. 15, 2018	ACM	Restricted Stock Units	Common Stock (21,819)	—	—	21,819	Acquired
Dec. 15, 2018	ACM	Restricted Stock Unit	Common Stock (17,380)	—	—	17,380	Disposed
Dec. 15, 2017	ACM	Restricted Stock Units	Common Stock (16,247)	—	—	16,247	Acquired
March 2, 2017	ACM	Restricted Stock Units	Common Stock (17,048)	—	—	17,048	Disposed
Dec. 15, 2016	ACM	Restricted Stock Units	Common Stock (14,152)	—	—	14,152	Acquired
March 2, 2016	ACM	Restricted Stock Units	Common Stock (17,047)	—	—	17,047	Disposed
Dec. 15, 2015	ACM	Restricted Stock Units	Common Stock (17,380)	—	—	17,380	Acquired
March 16, 2015	ACM	Restricted Stock Units	Common Stock (34,095)	—	—	34,095	Acquired

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

Compensation (DEF 14A)

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

ACM

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2019	$643,274	$0	$1,500,043	—	$715,000	$0	$38,456	$2,896,773
2018	$618,288	$0	$1,541,941	—	$600,000	$0	$44,900	$2,805,129
2017	$578,474	$0	$1,398,464	—	$700,000	$0	$42,757	$2,719,695

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