Douglas A. Lawson

CIK 1420601 · View on SEC EDGAR ↗

Insider

First SEC filing: Nov. 14, 2013 · Latest: Nov. 14, 2013

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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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

ACLS buying Feb. 23, 2024

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 67 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

67 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 20, 2024	ACLS	F	1,396	$136.02	$189,884	15,808 Direct	-8.11%	Disposed	-8.2% (price as of 2026-08-20)
May 17, 2024	ACLS	F	743	$113.23	$84,130	17,202 Direct	-4.14%	Disposed	10.2% (price as of 2026-08-20)
May 16, 2024	ACLS	F	536	$113.57	$60,874	17,945 Direct	-2.90%	Disposed	9.9% (price as of 2026-08-20)
May 15, 2024	ACLS	A	1,365	—	—	19,598 Direct	+7.49%	Acquired	(price as of 2026-08-20)
May 15, 2024	ACLS	F	861	$112.94	$97,241	18,737 Direct	-4.39%	Disposed	10.5% (price as of 2026-08-20)
May 15, 2024	ACLS	F	256	$112.94	$28,913	18,481 Direct	-1.37%	Disposed	10.5% (price as of 2026-08-20)
Feb. 28, 2024	ACLS	F	958	—	—	18,690 Direct	-4.88%	Disposed	(price as of 2026-08-20)
Feb. 28, 2024	ACLS	F	457	—	—	18,233 Direct	-2.45%	Disposed	(price as of 2026-08-20)
Feb. 23, 2024	ACLS	P	500	$111.04	$55,520	19,648 Direct	+2.61%	Acquired	12.4% (price as of 2026-08-20)
Aug. 7, 2023	ACLS	S	375	$177.45	$66,544	18,342 Direct	-2.00%	Disposed	-29.7% (price as of 2026-08-20)
June 9, 2023	ACLS	S	400	$175.00	$70,000	18,717 Direct	-2.09%	Disposed	-28.7% (price as of 2026-08-20)
May 26, 2023	ACLS	S	200	$153.00	$30,600	19,117 Direct	-1.04%	Disposed	-18.4% (price as of 2026-08-20)
May 19, 2023	ACLS	S	550	$144.82	$79,651	19,317 Direct	-2.77%	Disposed	-13.8% (price as of 2026-08-20)
May 18, 2023	ACLS	S	4,703	$141.05	$663,358	19,867 Direct	-19.14%	Disposed	-11.5% (price as of 2026-08-20)
May 17, 2023	ACLS	F	744	$137.69	$102,441	24,570 Direct	-2.94%	Disposed	-9.4% (price as of 2026-08-20)
May 16, 2023	ACLS	F	536	$129.92	$69,637	25,314 Direct	-2.07%	Disposed	-3.9% (price as of 2026-08-20)
May 15, 2023	ACLS	F	1,209	$127.99	$154,740	25,850 Direct	-4.47%	Disposed	-2.5% (price as of 2026-08-20)
May 15, 2023	ACLS	F	1,263	$127.99	$161,651	27,059 Direct	-4.46%	Disposed	-2.5% (price as of 2026-08-20)
May 15, 2023	ACLS	A	2,304	—	—	28,322 Direct	+8.86%	Acquired	(price as of 2026-08-20)
May 15, 2023	ACLS	A	576	—	—	26,018 Direct	+2.26%	Acquired	(price as of 2026-08-20)
May 10, 2023	ACLS	S	5,734	$122.00	$699,548	35,205 Direct	-14.01%	Disposed	2.3% (price as of 2026-08-20)
Feb. 28, 2023	ACLS	F	1,034	—	—	31,176 Direct	-3.21%	Disposed	(price as of 2026-08-20)
Feb. 28, 2023	ACLS	F	1,521	—	—	32,210 Direct	-4.51%	Disposed	(price as of 2026-08-20)
Feb. 13, 2023	ACLS	S	1,998	$122.47	$244,695	32,040 Direct	-5.87%	Disposed	1.9% (price as of 2026-08-20)
Nov. 28, 2022	ACLS	S	350	$76.52	$26,782	34,038 Direct	-1.02%	Disposed	63.1% (price as of 2026-08-20)
Aug. 9, 2022	ACLS	S	4,554	$74.69	$340,138	34,388 Direct	-11.69%	Disposed	67.1% (price as of 2026-08-20)
May 17, 2022	ACLS	F	744	$60.56	$45,057	38,942 Direct	-1.87%	Disposed	106.1% (price as of 2026-08-20)
May 16, 2022	ACLS	A	4,832	—	—	39,686 Direct	+13.86%	Acquired	(price as of 2026-08-20)
May 16, 2022	ACLS	A	4,832	—	—	34,854 Direct	+16.09%	Acquired	(price as of 2026-08-20)
May 16, 2022	ACLS	F	842	$56.38	$47,472	30,022 Direct	-2.73%	Disposed	121.4% (price as of 2026-08-20)
May 15, 2022	ACLS	F	1,208	$56.38	$68,107	30,864 Direct	-3.77%	Disposed	121.4% (price as of 2026-08-20)
May 15, 2022	ACLS	F	1,263	$56.38	$71,208	32,072 Direct	-3.79%	Disposed	121.4% (price as of 2026-08-20)
March 3, 2022	ACLS	S	2,798	$71.65	$200,477	33,335 Direct	-7.74%	Disposed	74.2% (price as of 2026-08-20)
March 2, 2022	ACLS	S	4,531	$69.30	$313,998	36,133 Direct	-11.14%	Disposed	80.1% (price as of 2026-08-20)
Feb. 28, 2022	ACLS	F	2,230	—	—	40,664 Direct	-5.20%	Disposed	(price as of 2026-08-20)
Feb. 28, 2022	ACLS	F	2,416	—	—	42,894 Direct	-5.33%	Disposed	(price as of 2026-08-20)
Nov. 8, 2021	ACLS	S	1,217	$62.41	$75,953	41,958 Direct	-2.82%	Disposed	100.0% (price as of 2026-08-20)
Aug. 31, 2021	ACLS	S	655	$49.63	$32,508	43,175 Direct	-1.49%	Disposed	151.5% (price as of 2026-08-20)
May 24, 2021	ACLS	S	4,022	$40.50	$162,891	43,830 Direct	-8.41%	Disposed	208.2% (price as of 2026-08-20)
May 21, 2021	ACLS	S	5,829	$40.28	$234,792	47,852 Direct	-10.86%	Disposed	209.9% (price as of 2026-08-20)
May 17, 2021	ACLS	F	971	$38.16	$37,053	40,275 Direct	-2.35%	Disposed	227.1% (price as of 2026-08-20)
May 17, 2021	ACLS	A	6,703	—	—	46,978 Direct	+16.64%	Acquired	(price as of 2026-08-20)
May 17, 2021	ACLS	A	6,703	—	—	53,681 Direct	+14.27%	Acquired	(price as of 2026-08-20)
May 16, 2021	ACLS	F	842	$38.16	$32,131	41,246 Direct	-2.00%	Disposed	227.1% (price as of 2026-08-20)
May 15, 2021	ACLS	F	1,263	$38.16	$48,196	43,297 Direct	-2.83%	Disposed	227.1% (price as of 2026-08-20)
May 15, 2021	ACLS	F	1,209	$38.16	$46,135	42,088 Direct	-2.79%	Disposed	227.1% (price as of 2026-08-20)
March 3, 2021	ACLS	S	3,125	$38.50	$120,312	0 Indirect	-100.00%	Disposed	224.2% (price as of 2026-08-20)
March 3, 2021	ACLS	S	7,375	$38.50	$283,938	44,560 Direct	-14.20%	Disposed	224.2% (price as of 2026-08-20)
Feb. 28, 2021	ACLS	F	1,599	—	—	51,935 Direct	-2.99%	Disposed	(price as of 2026-08-20)
Feb. 28, 2021	ACLS	F	1,671	—	—	53,534 Direct	-3.03%	Disposed	(price as of 2026-08-20)
May 27, 2020	ACLS	S	8,261	$27.07	$223,625	55,205 Direct	-13.02%	Disposed	361.1% (price as of 2026-08-20)
May 17, 2020	ACLS	F	643	$23.95	$15,400	63,466 Direct	-1.00%	Disposed	421.1% (price as of 2026-08-20)
May 17, 2020	ACLS	F	643	$23.95	$15,400	72,180 Direct	-0.88%	Disposed	421.1% (price as of 2026-08-20)
May 16, 2020	ACLS	F	558	$23.95	$13,364	64,109 Direct	-0.86%	Disposed	421.1% (price as of 2026-08-20)
May 16, 2020	ACLS	F	1,404	$23.95	$33,626	64,667 Direct	-2.12%	Disposed	421.1% (price as of 2026-08-20)
May 16, 2020	ACLS	F	558	$23.95	$13,364	72,823 Direct	-0.76%	Disposed	421.1% (price as of 2026-08-20)
May 16, 2020	ACLS	F	1,404	$23.95	$33,626	73,381 Direct	-1.88%	Disposed	421.1% (price as of 2026-08-20)
May 15, 2020	ACLS	F	837	$23.52	$19,686	66,071 Direct	-1.25%	Disposed	430.7% (price as of 2026-08-20)
May 15, 2020	ACLS	A	10,894	—	—	66,908 Direct	+19.45%	Acquired	(price as of 2026-08-20)
May 15, 2020	ACLS	A	10,894	—	—	56,014 Direct	+24.14%	Acquired	(price as of 2026-08-20)
May 15, 2020	ACLS	F	837	$23.52	$19,686	74,785 Direct	-1.11%	Disposed	430.7% (price as of 2026-08-20)
May 15, 2020	ACLS	A	10,894	—	—	75,622 Direct	+16.83%	Acquired	(price as of 2026-08-20)
May 15, 2020	ACLS	A	10,894	—	—	64,728 Direct	+20.24%	Acquired	(price as of 2026-08-20)
May 8, 2020	ACLS	S	8,714	$26.00	$226,564	45,120 Direct	-16.19%	Disposed	380.0% (price as of 2026-08-20)
March 4, 2020	ACLS	S	9,019	$24.05	$216,907	53,834 Direct	-14.35%	Disposed	419.0% (price as of 2026-08-20)
March 3, 2020	ACLS	M	3,907	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 3, 2020	ACLS	S	3,907	$24.20	$94,549	62,853 Direct	-5.85%	Disposed	415.7% (price as of 2026-08-20)
March 3, 2020	ACLS	M	3,907	$12.04	$47,040	66,760 Direct	+6.22%	Acquired	936.6% (price as of 2026-08-20)
Feb. 28, 2020	ACLS	F	2,394	—	—	62,853 Direct	-3.67%	Disposed	(price as of 2026-08-20)
Feb. 28, 2020	ACLS	F	1,786	—	—	65,247 Direct	-2.66%	Disposed	(price as of 2026-08-20)
Aug. 21, 2019	ACLS	P	2,480	$15.05	$37,324	67,033 Direct	+3.84%	Acquired	729.3% (price as of 2026-08-20)
Aug. 21, 2019	ACLS	P	414	$15.04	$6,227	64,553 Direct	+0.65%	Acquired	729.9% (price as of 2026-08-20)
Aug. 21, 2019	ACLS	P	106	$15.03	$1,593	64,139 Direct	+0.17%	Acquired	730.4% (price as of 2026-08-20)
May 17, 2019	ACLS	F	644	$16.50	$10,626	64,033 Direct	-1.00%	Disposed	656.4% (price as of 2026-08-20)
May 16, 2019	ACLS	F	558	$16.95	$9,458	64,677 Direct	-0.86%	Disposed	636.3% (price as of 2026-08-20)
May 16, 2019	ACLS	F	1,404	$16.95	$23,798	65,235 Direct	-2.11%	Disposed	636.3% (price as of 2026-08-20)
May 15, 2019	ACLS	A	11,385	—	—	66,639 Direct	+20.60%	Acquired	(price as of 2026-08-20)
May 15, 2019	ACLS	A	11,385	—	—	55,254 Direct	+25.95%	Acquired	(price as of 2026-08-20)
Feb. 28, 2019	ACLS	F	1,027	—	—	43,869 Direct	-2.29%	Disposed	(price as of 2026-08-20)
Feb. 15, 2019	ACLS	M	7,813	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 15, 2019	ACLS	M	5,859	—	—	3,906 Direct	-60.00%	Disposed	(price as of 2026-08-20)
Feb. 15, 2019	ACLS	S	13,672	$22.51	$307,757	44,896 Direct	-23.34%	Disposed	454.5% (price as of 2026-08-20)
Feb. 15, 2019	ACLS	M	7,813	$7.20	$56,254	58,568 Direct	+15.39%	Acquired	1633.5% (price as of 2026-08-20)
Feb. 15, 2019	ACLS	M	5,859	$12.04	$70,542	50,755 Direct	+13.05%	Acquired	936.6% (price as of 2026-08-20)
June 1, 2018	ACLS	M	1,953	—	—	9,766 Direct	-16.67%	Disposed	(price as of 2026-08-20)
June 1, 2018	ACLS	S	1,953	$21.74	$42,458	44,896 Direct	-4.17%	Disposed	474.1% (price as of 2026-08-20)
June 1, 2018	ACLS	M	1,953	$12.04	$23,514	46,849 Direct	+4.35%	Acquired	936.6% (price as of 2026-08-20)
June 1, 2018	ACLS	S	1,554	$21.71	$33,737	44,896 Direct	-3.35%	Disposed	474.9% (price as of 2026-08-20)
June 1, 2018	ACLS	S	3,000	$21.72	$65,160	46,450 Direct	-6.07%	Disposed	474.6% (price as of 2026-08-20)
June 1, 2018	ACLS	M	1,953	—	—	9,766 Direct	-16.67%	Disposed	(price as of 2026-08-20)
June 1, 2018	ACLS	S	1,953	$21.74	$42,458	45,296 Direct	-4.13%	Disposed	474.1% (price as of 2026-08-20)
June 1, 2018	ACLS	M	1,953	$12.04	$23,514	47,249 Direct	+4.31%	Acquired	936.6% (price as of 2026-08-20)
June 1, 2018	ACLS	S	1,154	$21.71	$25,053	45,296 Direct	-2.48%	Disposed	474.9% (price as of 2026-08-20)
June 1, 2018	ACLS	S	3,000	$21.72	$65,160	46,450 Direct	-6.07%	Disposed	474.6% (price as of 2026-08-20)
May 17, 2018	ACLS	F	645	$22.40	$14,448	49,450 Direct	-1.29%	Disposed	457.2% (price as of 2026-08-20)
May 16, 2018	ACLS	A	7,589	—	—	50,095 Direct	+17.85%	Acquired	(price as of 2026-08-20)
May 16, 2018	ACLS	A	7,589	—	—	42,506 Direct	+21.73%	Acquired	(price as of 2026-08-20)
May 16, 2018	ACLS	F	1,406	$22.40	$31,494	34,917 Direct	-3.87%	Disposed	457.2% (price as of 2026-08-20)
March 14, 2018	ACLS	M	1,953	—	—	11,719 Direct	-14.28%	Disposed	(price as of 2026-08-20)
March 14, 2018	ACLS	S	3,478	$26.52	$92,237	36,324 Direct	-8.74%	Disposed	370.6% (price as of 2026-08-20)

Showing latest 100 of 187 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 3, 2020	ACLS	Stock option (right to buy)	Common Stock (3,907)	$12.04	July 15, 2022	3,907	Disposed
Feb. 15, 2019	ACLS	Stock option (right to buy)	Common Stock (7,813)	$7.20	July 15, 2021	7,813	Disposed
Feb. 15, 2019	ACLS	Stock option (right to buy)	Common Stock (5,859)	$12.04	July 15, 2022	5,859	Disposed
June 1, 2018	ACLS	Stock option (right to buy)	Common Stock (1,953)	$12.04	July 15, 2022	1,953	Disposed
June 1, 2018	ACLS	Stock option (right to buy)	Common Stock (1,953)	$12.04	July 15, 2022	1,953	Disposed
March 14, 2018	ACLS	Stock Option (right to buy)	Common Stock (1,953)	$12.04	July 15, 2022	1,953	Disposed
Nov. 7, 2017	ACLS	Stock Option (right to buy)	Common Stock (1,953)	$12.04	July 15, 2022	1,953	Disposed
Aug. 15, 2017	ACLS	Stock Option (right to buy)	Common Stock (1,954)	$12.04	July 15, 2022	1,954	Disposed
Aug. 15, 2017	ACLS	Stock Option (right to buy)	Common Stock (4,688)	$7.96	July 15, 2020	4,688	Disposed
Aug. 15, 2017	ACLS	Stock option (right to buy)	Common Stock (7,812)	$7.20	July 15, 2021	7,812	Disposed
May 18, 2017	ACLS	Stock Option (right to buy)	Common Stock (13,671)	$12.04	July 15, 2022	13,671	Disposed
Feb. 6, 2017	ACLS	Stock option (right to buy)	Common Stock (7,813)	$7.20	July 15, 2021	7,813	Acquired
Feb. 6, 2017	ACLS	Stock option (right to buy)	Common Stock (4,687)	$7.96	July 15, 2020	4,687	Acquired
Feb. 6, 2017	ACLS	Stock Option (right to buy)	Common Stock (3,125)	$3.72	July 16, 2019	3,125	Acquired
Aug. 11, 2015	ACLS	Stock option (right to buy)	Common Stock (20,498)	$1.80	July 15, 2021	20,498	Disposed
Aug. 10, 2015	ACLS	Stock option (right to buy)	Common Stock (10,752)	$1.80	July 15, 2021	10,752	Disposed
Aug. 10, 2015	ACLS	Stock option (right to buy)	Common Stock (18,750)	$1.99	July 15, 2020	18,750	Disposed
Aug. 10, 2015	ACLS	Stock option (right to buy)	Common Stock (12,500)	$0.93	July 16, 2019	12,500	Disposed
Aug. 10, 2015	ACLS	Stock option (right to buy)	Common Stock (10,000)	$1.60	July 15, 2021	10,000	Disposed
July 15, 2015	ACLS	Stock Option (right to buy)	Common Stock (125,000)	$3.01	July 15, 2022	125,000	Acquired
Feb. 18, 2015	ACLS	Stock Option (right to buy)	Common Stock (57,912)	$1.60	July 15, 2020	57,912	Disposed
Feb. 17, 2015	ACLS	Stock Option (right to buy)	Common Stock (18,750)	$1.99	July 15, 2020	18,750	Disposed
Feb. 17, 2015	ACLS	Stock Option (right to buy)	Common Stock (7,088)	$1.60	July 15, 2020	7,088	Disposed
Nov. 19, 2014	ACLS	Non-qualified stock option (right to buy)	Common Stock (12,500)	$0.93	July 15, 2019	12,500	Acquired
Nov. 19, 2014	ACLS	Non-qualified stock option (right to buy)	Common Stock (12,500)	$1.59	Jan. 15, 2020	12,500	Acquired
Nov. 19, 2014	ACLS	Non-qualified stock option (right to buy)	Common Stock (5,252)	$1.60	July 15, 2021	5,252	Acquired
Nov. 18, 2014	ACLS	Non-qualified stock option (right to buy)	Common Stock (24,748)	$1.60	July 15, 2021	24,748	Acquired
July 15, 2014	ACLS	Stock option (right to buy)	Common Stock (125,000)	$1.80	July 15, 2021	125,000	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
Nov. 14, 2013	ACLS	Common Stock	10,098	Direct
Nov. 14, 2013	ACLS	Common Stock	7,500	Indirect
Nov. 14, 2013	ACLS	Stock option (right to buy) [F1]→ Common Stock (12,500)	12,500	Direct
Nov. 14, 2013	ACLS	Stock option (right to buy) [F1]→ Common Stock (65,000)	65,000	Direct
Nov. 14, 2013	ACLS	Stock option (right to buy) [F1]→ Common Stock (40,000)	40,000	Direct
Nov. 14, 2013	ACLS	Stock option (right to buy) [F5]→ Common Stock (37,500)	37,500	Direct
Nov. 14, 2013	ACLS	Stock option (right to buy) [F5]→ Common Stock (75,000)	75,000	Direct