Lara Poloni

Insider

First SEC filing: Dec. 18, 2017 · Latest: June 16, 2026

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.
Initial holdings The stakes this person held when they first started reporting.
Compensation Executive pay disclosed in company proxy statements.

Insider at

ACM buying June 16, 2026

Insider transactions

1 buys (P) 0 sells (S) Net: $298,341 + 25 non-open-market transactions below Avg return of open purchases vs now: -8.2% 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

25 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 16, 2026	ACM	P	4,224	$70.63	$298,341	153,446 Direct	+2.83%	Acquired	-8.2% (price as of 2026-08-20)
Dec. 17, 2021	ACM	M	10,182	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 17, 2021	ACM	F	11,434	$73.40	$839,256	47,297 Direct	-19.47%	Disposed	-11.6% (price as of 2026-08-20)
Dec. 17, 2021	ACM	A	30,546	—	—	58,731 Direct	+108.38%	Acquired	(price as of 2026-08-20)
Dec. 17, 2021	ACM	M	10,182	—	—	28,185 Direct	+56.56%	Acquired	(price as of 2026-08-20)
Dec. 15, 2021	ACM	A	10,175	—	—	10,175 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 18, 2020	ACM	A	4,959	—	—	18,003 Direct	+38.02%	Acquired	(price as of 2026-08-20)
Dec. 15, 2020	ACM	M	5,416	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 15, 2020	ACM	F	2,369	$47.88	$113,428	13,044 Direct	-15.37%	Disposed	35.5% (price as of 2026-08-20)
Dec. 15, 2020	ACM	M	5,416	—	—	15,413 Direct	+54.18%	Acquired	(price as of 2026-08-20)
Aug. 15, 2020	ACM	A	17,821	—	—	17,821 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 15, 2019	ACM	A	9,290	—	—	9,290 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 15, 2019	ACM	M	2,359	$38.16	$90,019	0 Direct	-100.00%	Disposed	70.0% (price as of 2026-08-20)
Dec. 15, 2019	ACM	A	1,699	—	—	9,997 Direct	+20.47%	Acquired	(price as of 2026-08-20)
Dec. 15, 2019	ACM	F	847	$38.16	$32,322	8,298 Direct	-9.26%	Disposed	70.0% (price as of 2026-08-20)
Dec. 15, 2019	ACM	M	2,359	$38.16	$90,019	9,145 Direct	+34.76%	Acquired	70.0% (price as of 2026-08-20)
Dec. 15, 2018	ACM	A	10,182	—	—	10,182 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 15, 2018	ACM	M	2,507	$29.92	$75,009	2,507 Direct	-50.00%	Disposed	116.8% (price as of 2026-08-20)
Sept. 17, 2018	ACM	S 10b5-1	1,607	$32.49	$52,211	2,288 Direct	-41.26%	Disposed	99.7% (price as of 2026-08-20)
March 14, 2018	ACM	S	4,976	$36.70	$182,619	3,895 Direct	-56.09%	Disposed	76.8% (price as of 2026-08-20)
Dec. 15, 2017	ACM	A	2,499	—	—	6,786 Direct	+58.29%	Acquired	(price as of 2026-08-20)
Dec. 15, 2017	ACM	F	508	$27.91	$14,178	4,287 Direct	-10.59%	Disposed	132.4% (price as of 2026-08-20)
Dec. 15, 2017	ACM	M	2,507	$27.91	$69,970	4,795 Direct	+109.57%	Acquired	132.4% (price as of 2026-08-20)
Dec. 15, 2017	ACM	A	5,416	—	—	5,416 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 15, 2017	ACM	M	2,315	$32.41	$75,029	2,315 Direct	—	Acquired	100.2% (price as of 2026-08-20)
Dec. 15, 2017	ACM	A	2,765	$36.93	$102,111	8,871 Direct	+45.28%	Acquired	75.7% (price as of 2026-08-20)
Dec. 15, 2017	ACM	F	104	$36.93	$3,841	6,106 Direct	-1.67%	Disposed	75.7% (price as of 2026-08-20)
Dec. 15, 2017	ACM	M	2,315	$36.93	$85,493	6,210 Direct	+59.44%	Acquired	75.7% (price as of 2026-08-20)

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. 17, 2021	ACM	Restricted Stock Units	Common Stock (10,182)	—	—	10,182	Disposed
Dec. 15, 2021	ACM	Restricted Stock Units	Common Stock (10,175)	—	—	10,175	Acquired
Dec. 15, 2020	ACM	Restricted Stock Units	Common Stock (5,416)	—	—	5,416	Disposed
Aug. 15, 2020	ACM	Restricted Stock Units	Common Stock (17,821)	—	—	17,821	Acquired
Dec. 15, 2019	ACM	Restricted Stock Units	Common Stock (9,290)	—	—	9,290	Acquired
Dec. 15, 2019	ACM	Restricted Stock Units	Common Stock (2,359)	—	—	2,359	Disposed
Dec. 15, 2018	ACM	Restricted Stock Units	Common Stock (10,182)	—	—	10,182	Acquired
Dec. 15, 2018	ACM	Restricted Stock Units	Common Stock (2,507)	—	—	2,507	Disposed
Dec. 15, 2017	ACM	Restricted Stock Units	Common Stock (5,416)	—	—	5,416	Acquired
Dec. 15, 2017	ACM	Restricted Stock Units	Common Stock (2,315)	—	—	2,315	Acquired

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

Initial ownership (Form 3) 7 holdings

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

Date	Ticker	Security	Shares	Ownership
Dec. 18, 2017	ACM	Common Stock	3,895	Direct
Dec. 18, 2017	ACM	Restricted Stock Units→ Common Stock (2,315)	2,315	Direct
Dec. 18, 2017	ACM	Restricted Stock Units→ Common Stock (2,507)	2,507	Direct
Dec. 18, 2017	ACM	Restricted Stock Units→ Common Stock (2,359)	2,359	Direct
Nov. 21, 2017	ACM	Restricted Stock Units→ Common Stock (2,315)	2,315	Direct
Nov. 21, 2017	ACM	Restricted Stock Units→ Common Stock (2,507)	2,507	Direct
Nov. 21, 2017	ACM	Restricted Stock Units→ Common Stock (2,359)	2,359	Direct

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
2020	$588,043	$0	$1,690,087	$0	$983,508	$0	$220,337	$3,481,976

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