Thomas F Trimback

CIK 2015992 · View on SEC EDGAR ↗

Insider

First SEC filing: March 22, 2024 · Latest: June 15, 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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

BSY selling Nov. 17, 2025

Insider transactions

0 buys (P) 1 sells (S) Net: $-24,091 + 25 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

25 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 11, 2026	BSY	A	42	—	—	19,376 Direct	+0.22%	Acquired	(price as of 2026-08-19)
March 29, 2026	BSY	F	172	$34.76	$5,979	19,334 Direct	-0.88%	Disposed	1.9% (price as of 2026-08-19)
March 19, 2026	BSY	A	35	—	—	19,506 Direct	+0.18%	Acquired	(price as of 2026-08-19)
March 13, 2026	BSY	F	451	$38.19	$17,224	19,471 Direct	-2.26%	Disposed	-7.3% (price as of 2026-08-19)
March 6, 2026	BSY	A	3,982	—	—	19,922 Direct	+24.98%	Acquired	(price as of 2026-08-19)
Jan. 30, 2026	BSY	F	300	$35.12	$10,536	15,940 Direct	-1.85%	Disposed	0.8% (price as of 2026-08-19)
Jan. 23, 2026	BSY	A	3,652	$38.84	$141,844	17,474 Direct	+26.42%	Acquired	-8.8% (price as of 2026-08-19)
Jan. 23, 2026	BSY	F	1,234	$38.84	$47,929	16,240 Direct	-7.06%	Disposed	-8.8% (price as of 2026-08-19)
Dec. 11, 2025	BSY	A	16	—	—	13,822 Direct	+0.12%	Acquired	(price as of 2026-08-19)
Nov. 17, 2025	BSY	S	560	$43.02	$24,091	13,806 Direct	-3.90%	Disposed	-17.7% (price as of 2026-08-19)
Oct. 25, 2025	BSY	F	74	$51.73	$3,828	14,366 Direct	-0.51%	Disposed	-31.6% (price as of 2026-08-19)
Sept. 30, 2025	BSY	A	13	—	—	14,440 Direct	+0.09%	Acquired	(price as of 2026-08-19)
June 12, 2025	BSY	A	14	—	—	14,427 Direct	+0.10%	Acquired	(price as of 2026-08-19)
March 28, 2025	BSY	F	170	$39.70	$6,749	14,413 Direct	-1.17%	Disposed	-10.8% (price as of 2026-08-19)
March 27, 2025	BSY	A	18	—	—	14,583 Direct	+0.12%	Acquired	(price as of 2026-08-19)
March 13, 2025	BSY	F	193	$40.11	$7,741	14,565 Direct	-1.31%	Disposed	-11.7% (price as of 2026-08-19)
March 13, 2025	BSY	A	3,591	—	—	14,758 Direct	+32.16%	Acquired	(price as of 2026-08-19)
Jan. 30, 2025	BSY	F	294	$45.92	$13,500	11,167 Direct	-2.57%	Disposed	-22.9% (price as of 2026-08-19)
Jan. 22, 2025	BSY	F	976	$46.56	$45,443	11,461 Direct	-7.85%	Disposed	-24.0% (price as of 2026-08-19)
Jan. 22, 2025	BSY	A	2,888	$46.56	$134,465	12,437 Direct	+30.24%	Acquired	-24.0% (price as of 2026-08-19)
Dec. 12, 2024	BSY	A	10	—	—	9,549 Direct	+0.10%	Acquired	(price as of 2026-08-19)
Oct. 25, 2024	BSY	F	74	$49.15	$3,637	9,539 Direct	-0.77%	Disposed	-28.0% (price as of 2026-08-19)
Sept. 26, 2024	BSY	A	10	—	—	9,613 Direct	+0.10%	Acquired	(price as of 2026-08-19)
June 13, 2024	BSY	A	10	—	—	9,603 Direct	+0.10%	Acquired	(price as of 2026-08-19)
March 29, 2024	BSY	F	184	$52.22	$9,608	9,593 Direct	-1.88%	Disposed	-32.2% (price as of 2026-08-19)
March 28, 2024	BSY	A	10	—	—	9,777 Direct	+0.10%	Acquired	(price as of 2026-08-19)

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.

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
March 22, 2024	BSY	Class B Common Stock	—	Direct