Steven L. Berman

CIK 1205405 · View on SEC EDGAR ↗

Insider Activist

First SEC filing: Jan. 25, 2010 · Latest: Nov. 12, 2025

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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

DORM selling March 3, 2023

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 71 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

71 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 1, 2026	DORM	A	1,344	$122.71	$164,922	761,787 Direct	+0.18%	Acquired	8.2% (price as of 2026-08-20)
Dec. 1, 2023	DORM	G	37,164	—	—	963,926 Direct	-3.71%	Disposed	(price as of 2026-08-20)
Dec. 1, 2023	DORM	G	1,086	—	—	1,001,090 Direct	-0.11%	Disposed	(price as of 2026-08-20)
Nov. 20, 2023	DORM	G	4,100	—	—	1,002,176 Direct	+0.41%	Acquired	(price as of 2026-08-20)
Nov. 20, 2023	DORM	G	4,100	—	—	45,825 Indirect	-8.21%	Disposed	(price as of 2026-08-20)
March 7, 2023	DORM	M	1,396	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 7, 2023	DORM	M	1,396	$72.55	$101,280	998,076 Direct	+0.14%	Acquired	82.9% (price as of 2026-08-20)
March 6, 2023	DORM	F	84	$84.88	$7,130	996,680 Direct	-0.01%	Disposed	56.4% (price as of 2026-08-20)
March 3, 2023	DORM	M	3,616	—	—	1,396 Direct	-72.15%	Disposed	(price as of 2026-08-20)
March 3, 2023	DORM	S	3,616	$90.62	$327,682	996,764 Direct	-0.36%	Disposed	46.5% (price as of 2026-08-20)
March 3, 2023	DORM	M	3,616	$72.55	$262,341	1,000,380 Direct	+0.36%	Acquired	82.9% (price as of 2026-08-20)
March 2, 2023	DORM	F	269	$91.28	$24,554	996,764 Direct	-0.03%	Disposed	45.4% (price as of 2026-08-20)
Feb. 22, 2023	DORM	F	813	$93.38	$75,918	997,033 Direct	-0.08%	Disposed	42.1% (price as of 2026-08-20)
Feb. 22, 2023	DORM	A	1,752	—	—	997,846 Direct	+0.18%	Acquired	(price as of 2026-08-20)
Nov. 22, 2022	DORM	G	2,238	—	—	996,094 Direct	-0.22%	Disposed	(price as of 2026-08-20)
Nov. 22, 2022	DORM	G	4,845	—	—	998,332 Direct	+0.49%	Acquired	(price as of 2026-08-20)
Nov. 22, 2022	DORM	G	4,845	—	—	49,925 Indirect	-8.85%	Disposed	(price as of 2026-08-20)
March 6, 2022	DORM	A	1,236	—	—	994,109 Direct	+0.12%	Acquired	(price as of 2026-08-20)
March 6, 2022	DORM	F	622	$96.52	$60,035	993,487 Direct	-0.06%	Disposed	37.5% (price as of 2026-08-20)
March 2, 2022	DORM	A	2,272	—	—	2,272 Direct	—	Acquired	(price as of 2026-08-20)
March 2, 2022	DORM	A	762	—	—	992,873 Direct	+0.08%	Acquired	(price as of 2026-08-20)
March 2, 2022	DORM	F	186	$96.36	$17,923	992,111 Direct	-0.02%	Disposed	37.7% (price as of 2026-08-20)
Dec. 13, 2021	DORM	M	4,909	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 13, 2021	DORM	M	4,909	$78.64	$386,044	992,297 Direct	+0.50%	Acquired	68.8% (price as of 2026-08-20)
Nov. 30, 2021	DORM	G	8,300	—	—	987,388 Direct	-0.83%	Disposed	(price as of 2026-08-20)
Nov. 30, 2021	DORM	G	2,892	—	—	995,688 Direct	+0.29%	Acquired	(price as of 2026-08-20)
Nov. 30, 2021	DORM	G	2,892	—	—	54,770 Indirect	-5.02%	Disposed	(price as of 2026-08-20)
Oct. 28, 2021	DORM	G	100,000	—	—	992,796 Direct	-9.15%	Disposed	(price as of 2026-08-20)
Oct. 28, 2021	DORM	G	100,000	—	—	100,000 Indirect	—	Acquired	(price as of 2026-08-20)
March 6, 2021	DORM	F	84	$106.59	$8,954	1,092,796 Direct	-0.01%	Disposed	24.5% (price as of 2026-08-20)
March 2, 2021	DORM	A	2,208	—	—	2,208 Direct	—	Acquired	(price as of 2026-08-20)
March 2, 2021	DORM	A	689	—	—	1,092,880 Direct	+0.06%	Acquired	(price as of 2026-08-20)
March 2, 2021	DORM	F	111	$101.45	$11,261	1,092,191 Direct	-0.01%	Disposed	30.8% (price as of 2026-08-20)
Dec. 31, 2020	DORM	G	4,040	—	—	1,092,302 Direct	-0.37%	Disposed	(price as of 2026-08-20)
Dec. 31, 2020	DORM	G	3,311	—	—	1,096,342 Direct	+0.30%	Acquired	(price as of 2026-08-20)
Dec. 31, 2020	DORM	G	3,311	—	—	57,662 Indirect	-5.43%	Disposed	(price as of 2026-08-20)
Nov. 20, 2020	DORM	M	9,761	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Nov. 20, 2020	DORM	S	9,761	$93.71	$914,703	1,093,031 Direct	-0.89%	Disposed	41.6% (price as of 2026-08-20)
Nov. 20, 2020	DORM	M	9,761	$41.59	$405,960	1,102,792 Direct	+0.89%	Acquired	219.1% (price as of 2026-08-20)
March 6, 2020	DORM	F	65	$60.16	$3,910	1,093,031 Direct	-0.01%	Disposed	120.6% (price as of 2026-08-20)
March 2, 2020	DORM	A	3,669	—	—	3,669 Direct	—	Acquired	(price as of 2026-08-20)
March 2, 2020	DORM	A	2,930	—	—	2,930 Direct	—	Acquired	(price as of 2026-08-20)
March 2, 2020	DORM	A	1,021	—	—	1,093,096 Direct	+0.09%	Acquired	(price as of 2026-08-20)
Dec. 31, 2019	DORM	G	5,569	—	—	1,092,075 Direct	+0.51%	Acquired	(price as of 2026-08-20)
Dec. 31, 2019	DORM	G	5,569	—	—	60,973 Indirect	-8.37%	Disposed	(price as of 2026-08-20)
March 6, 2019	DORM	A	2,659	—	—	2,659 Direct	—	Acquired	(price as of 2026-08-20)
March 6, 2019	DORM	A	768	—	—	1,086,506 Direct	+0.07%	Acquired	(price as of 2026-08-20)
March 6, 2019	DORM	F	758	$82.03	$62,179	1,085,738 Direct	-0.07%	Disposed	61.8% (price as of 2026-08-20)
March 6, 2019	DORM	A	2,663	—	—	1,086,496 Direct	+0.25%	Acquired	(price as of 2026-08-20)
Dec. 31, 2018	DORM	G	3,634	—	—	1,083,833 Direct	+0.34%	Acquired	(price as of 2026-08-20)
Dec. 31, 2018	DORM	G	3,634	—	—	66,542 Indirect	-5.18%	Disposed	(price as of 2026-08-20)
March 7, 2018	DORM	A	5,012	—	—	5,012 Direct	—	Acquired	(price as of 2026-08-20)
March 7, 2018	DORM	F	588	$72.55	$42,659	1,080,199 Direct	-0.05%	Disposed	82.9% (price as of 2026-08-20)
March 7, 2018	DORM	A	2,065	—	—	1,080,787 Direct	+0.19%	Acquired	(price as of 2026-08-20)
Dec. 31, 2017	DORM	G	6,270	—	—	1,078,722 Direct	+0.58%	Acquired	(price as of 2026-08-20)
Dec. 31, 2017	DORM	G	6,270	—	—	70,176 Indirect	-8.20%	Disposed	(price as of 2026-08-20)
Feb. 27, 2017	DORM	A	4,909	—	—	4,909 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 27, 2017	DORM	F	716	$78.64	$56,306	1,072,452 Direct	-0.07%	Disposed	68.8% (price as of 2026-08-20)
Feb. 27, 2017	DORM	A	2,147	—	—	1,073,168 Direct	+0.20%	Acquired	(price as of 2026-08-20)
Dec. 31, 2016	DORM	G	5,955	—	—	76,446 Indirect	-7.23%	Disposed	(price as of 2026-08-20)
Dec. 31, 2016	DORM	G	5,955	—	—	1,071,021 Direct	+0.56%	Acquired	(price as of 2026-08-20)
Dec. 14, 2016	DORM	G	33,000	—	—	1,065,066 Direct	-3.01%	Disposed	(price as of 2026-08-20)
Nov. 30, 2016	DORM	G	20,000	—	—	1,098,066 Direct	-1.79%	Disposed	(price as of 2026-08-20)
Feb. 12, 2016	DORM	A	9,761	—	—	9,761 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 31, 2015	DORM	G	6,202	—	—	1,118,066 Direct	+0.56%	Acquired	(price as of 2026-08-20)
Dec. 31, 2015	DORM	G	6,202	—	—	82,401 Indirect	-7.00%	Disposed	(price as of 2026-08-20)
Oct. 14, 2015	DORM	G	676,692	—	—	1,781,432 Indirect	+61.25%	Acquired	(price as of 2026-08-20)
Oct. 14, 2015	DORM	G	676,692	—	—	0 Indirect	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 31, 2014	DORM	G	3,125	—	—	1,110,569 Direct	-0.28%	Disposed	(price as of 2026-08-20)
Dec. 31, 2014	DORM	G	6,668	—	—	1,113,694 Direct	+0.60%	Acquired	(price as of 2026-08-20)
Dec. 31, 2014	DORM	G	6,668	—	—	88,603 Indirect	-7.00%	Disposed	(price as of 2026-08-20)
May 16, 2014	DORM	G	615,828	—	—	1,104,740 Indirect	+125.96%	Acquired	(price as of 2026-08-20)
May 16, 2014	DORM	G	615,828	—	—	681,663 Indirect	-47.46%	Disposed	(price as of 2026-08-20)
May 2, 2014	DORM	S 10b5-1	100	$58.00	$5,800	1,297,491 Indirect	-0.01%	Disposed	128.8% (price as of 2026-08-20)
May 1, 2014	DORM	S 10b5-1	54	$58.00	$3,132	1,297,591 Indirect	0.00%	Disposed	128.8% (price as of 2026-08-20)
April 30, 2014	DORM	S 10b5-1	546	$58.01	$31,673	1,297,645 Indirect	-0.04%	Disposed	128.8% (price as of 2026-08-20)
April 29, 2014	DORM	S 10b5-1	3,900	$58.11	$226,629	1,298,191 Indirect	-0.30%	Disposed	128.4% (price as of 2026-08-20)
April 24, 2014	DORM	S 10b5-1	1,700	$58.03	$98,651	1,302,091 Indirect	-0.13%	Disposed	128.7% (price as of 2026-08-20)
April 23, 2014	DORM	S 10b5-1	1,200	$58.02	$69,624	1,303,791 Indirect	-0.09%	Disposed	128.8% (price as of 2026-08-20)
April 22, 2014	DORM	S 10b5-1	6,500	$58.05	$377,325	1,304,991 Indirect	-0.50%	Disposed	128.6% (price as of 2026-08-20)
April 17, 2014	DORM	S 10b5-1	600	$58.00	$34,800	1,311,491 Indirect	-0.05%	Disposed	128.8% (price as of 2026-08-20)
April 16, 2014	DORM	S 10b5-1	5,722	$58.03	$332,048	1,312,091 Indirect	-0.43%	Disposed	128.7% (price as of 2026-08-20)
April 9, 2014	DORM	S 10b5-1	5,300	$58.15	$308,195	1,317,813 Indirect	-0.40%	Disposed	128.3% (price as of 2026-08-20)
April 8, 2014	DORM	S 10b5-1	700	$58.03	$40,621	1,323,113 Indirect	-0.05%	Disposed	128.7% (price as of 2026-08-20)
April 7, 2014	DORM	S 10b5-1	200	$58.00	$11,600	1,323,813 Indirect	-0.02%	Disposed	128.8% (price as of 2026-08-20)
April 4, 2014	DORM	S 10b5-1	1,300	$60.11	$78,143	1,324,013 Indirect	-0.10%	Disposed	120.8% (price as of 2026-08-20)
April 4, 2014	DORM	S 10b5-1	4,500	$59.62	$268,290	1,325,313 Indirect	-0.34%	Disposed	122.6% (price as of 2026-08-20)
April 4, 2014	DORM	S 10b5-1	5,600	$58.19	$325,864	1,329,813 Indirect	-0.42%	Disposed	128.1% (price as of 2026-08-20)
April 3, 2014	DORM	S 10b5-1	11,800	$60.35	$712,130	1,335,413 Indirect	-0.88%	Disposed	119.9% (price as of 2026-08-20)
April 2, 2014	DORM	S 10b5-1	13,100	$60.56	$793,336	1,347,213 Indirect	-0.96%	Disposed	119.2% (price as of 2026-08-20)
April 1, 2014	DORM	S 10b5-1	3,719	$60.47	$224,888	1,360,313 Indirect	-0.27%	Disposed	119.5% (price as of 2026-08-20)
April 1, 2014	DORM	S 10b5-1	11,281	$60.09	$677,875	1,364,032 Indirect	-0.82%	Disposed	120.9% (price as of 2026-08-20)
March 31, 2014	DORM	S 10b5-1	9,658	$58.86	$568,470	1,375,313 Indirect	-0.70%	Disposed	125.5% (price as of 2026-08-20)
March 28, 2014	DORM	S 10b5-1	4,200	$58.19	$244,398	1,384,971 Indirect	-0.30%	Disposed	128.1% (price as of 2026-08-20)
March 27, 2014	DORM	S 10b5-1	7,200	$58.05	$417,960	1,389,171 Indirect	-0.52%	Disposed	128.6% (price as of 2026-08-20)
March 26, 2014	DORM	S 10b5-1	21,300	$59.32	$1,263,516	1,396,371 Indirect	-1.50%	Disposed	123.7% (price as of 2026-08-20)
March 25, 2014	DORM	S 10b5-1	8,661	$58.69	$508,314	1,418,010 Indirect	-0.61%	Disposed	126.2% (price as of 2026-08-20)
March 25, 2014	DORM	S 10b5-1	339	$59.47	$20,160	1,417,671 Indirect	-0.02%	Disposed	123.2% (price as of 2026-08-20)
March 24, 2014	DORM	S 10b5-1	10,220	$58.76	$600,527	1,428,451 Indirect	-0.71%	Disposed	125.9% (price as of 2026-08-20)
March 24, 2014	DORM	S 10b5-1	1,780	$59.94	$106,693	1,426,671 Indirect	-0.12%	Disposed	121.4% (price as of 2026-08-20)

Showing latest 100 of 300 transactions

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
March 7, 2023	DORM	Employee Stock Option (right to buy)	Common Stock (1,396)	$72.55	March 7, 2023	1,396	Disposed
March 3, 2023	DORM	Employee Stock Option (right to buy)	Common Stock (3,616)	$72.55	March 7, 2023	3,616	Disposed
March 2, 2022	DORM	Employee Stock Option (right to buy)	Common Stock (2,272)	$96.36	March 2, 2030	2,272	Acquired
Dec. 13, 2021	DORM	Employee Stock Option (right to buy)	Common Stock (4,909)	$78.64	Feb. 27, 2022	4,909	Disposed
March 2, 2021	DORM	Employee Stock Option (right to buy)	Common Stock (2,208)	$101.45	March 2, 2029	2,208	Acquired
Nov. 20, 2020	DORM	Employee Stock Option (right to buy)	Common Stock (9,761)	$41.59	Feb. 12, 2021	9,761	Disposed
March 2, 2020	DORM	Employee Stock Option (right to buy)	Common Stock (3,669)	$61.68	March 2, 2028	3,669	Acquired
March 2, 2020	DORM	Employee Stock Option (right to buy)	Common Stock (2,930)	$61.68	March 2, 2028	2,930	Acquired
March 6, 2019	DORM	Employee Stock Option (right to buy)	Common Stock (2,659)	$82.03	March 6, 2027	2,659	Acquired
March 7, 2018	DORM	Employee Stock Option (Right to Buy)	Common Stock (5,012)	$72.55	March 7, 2023	5,012	Acquired
Feb. 27, 2017	DORM	Employee Stock Option (Right to Buy)	Common Stock (4,909)	$78.64	Feb. 27, 2022	4,909	Acquired
Feb. 12, 2016	DORM	Employee Stock Option (Right to Buy)	Common Stock (9,761)	$41.59	Feb. 12, 2021	9,761	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.

DORM

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2019	$360,000	—	—	—	$38,619	—	$18,400	$668,102
2018	$360,000	—	—	—	$158,066	—	$16,800	$765,606
2017	$360,000	—	—	—	$335,611	—	$10,800	$937,155

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