Kirk B. Griswold

Insider

First SEC filing: Sept. 23, 2020 · 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.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

BSY selling June 5, 2023

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 48 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

48 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 11, 2026	BSY	A	86	—	—	468,117 Direct	+0.02%	Acquired	(price as of 2026-08-20)
May 21, 2026	BSY	A	6,749	—	—	468,031 Direct	+1.46%	Acquired	(price as of 2026-08-20)
March 19, 2026	BSY	A	70	—	—	461,282 Direct	+0.02%	Acquired	(price as of 2026-08-20)
Dec. 11, 2025	BSY	A	85	—	—	461,212 Direct	+0.02%	Acquired	(price as of 2026-08-20)
Sept. 30, 2025	BSY	A	68	—	—	461,127 Direct	+0.01%	Acquired	(price as of 2026-08-20)
June 12, 2025	BSY	A	71	—	—	461,059 Direct	+0.02%	Acquired	(price as of 2026-08-20)
May 22, 2025	BSY	A	4,197	—	—	460,988 Direct	+0.92%	Acquired	(price as of 2026-08-20)
March 27, 2025	BSY	A	91	—	—	456,791 Direct	+0.02%	Acquired	(price as of 2026-08-20)
Dec. 12, 2024	BSY	A	81	—	—	456,700 Direct	+0.02%	Acquired	(price as of 2026-08-20)
Sept. 26, 2024	BSY	A	77	—	—	456,619 Direct	+0.02%	Acquired	(price as of 2026-08-20)
June 13, 2024	BSY	A	76	—	—	456,542 Direct	+0.02%	Acquired	(price as of 2026-08-20)
May 23, 2024	BSY	A	3,797	—	—	456,466 Direct	+0.84%	Acquired	(price as of 2026-08-20)
March 28, 2024	BSY	A	81	—	—	452,669 Direct	+0.02%	Acquired	(price as of 2026-08-20)
March 21, 2024	BSY	M	10,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 21, 2024	BSY	F	1,106	$51.94	$57,446	452,588 Direct	-0.24%	Disposed	-30.4% (price as of 2026-08-20)
March 21, 2024	BSY	M	10,000	$5.74	$57,400	453,694 Direct	+2.25%	Acquired	529.7% (price as of 2026-08-20)
Dec. 14, 2023	BSY	A	69	—	—	443,694 Direct	+0.02%	Acquired	(price as of 2026-08-20)
Aug. 24, 2023	BSY	A	76	—	—	443,625 Direct	+0.02%	Acquired	(price as of 2026-08-20)
June 20, 2023	BSY	A	66	—	—	443,549 Direct	+0.01%	Acquired	(price as of 2026-08-20)
June 5, 2023	BSY	S 10b5-1	36,747	$50.08	$1,840,290	443,483 Direct	-7.65%	Disposed	-27.8% (price as of 2026-08-20)
May 25, 2023	BSY	A	4,213	—	—	480,230 Direct	+0.89%	Acquired	(price as of 2026-08-20)
April 3, 2023	BSY	S 10b5-1	35,000	$42.98	$1,504,300	476,017 Direct	-6.85%	Disposed	-15.9% (price as of 2026-08-20)
March 20, 2023	BSY	M	10,000	$5.30	$53,000	0 Direct	-100.00%	Disposed	582.0% (price as of 2026-08-20)
March 20, 2023	BSY	F	1,289	$41.18	$53,081	511,017 Direct	-0.25%	Disposed	-12.2% (price as of 2026-08-20)
March 20, 2023	BSY	M	10,000	$5.30	$53,000	512,306 Direct	+1.99%	Acquired	582.0% (price as of 2026-08-20)
March 7, 2023	BSY	A	102	—	—	502,306 Direct	+0.02%	Acquired	(price as of 2026-08-20)
Jan. 3, 2023	BSY	S 10b5-1	1,208	$37.68	$45,517	502,204 Direct	-0.24%	Disposed	-4.1% (price as of 2026-08-20)
Jan. 3, 2023	BSY	S 10b5-1	33,792	$36.78	$1,242,870	503,412 Direct	-6.29%	Disposed	-1.7% (price as of 2026-08-20)
Dec. 8, 2022	BSY	A	62	—	—	537,204 Direct	+0.01%	Acquired	(price as of 2026-08-20)
Sept. 14, 2022	BSY	A	69	—	—	537,142 Direct	+0.01%	Acquired	(price as of 2026-08-20)
June 23, 2022	BSY	A	71	—	—	537,073 Direct	+0.01%	Acquired	(price as of 2026-08-20)
May 26, 2022	BSY	A	4,544	—	—	537,002 Direct	+0.85%	Acquired	(price as of 2026-08-20)
March 25, 2022	BSY	M	20,000	$3.88	$77,600	0 Direct	-100.00%	Disposed	831.6% (price as of 2026-08-20)
March 25, 2022	BSY	F	1,858	$41.78	$77,627	532,458 Direct	-0.35%	Disposed	-13.5% (price as of 2026-08-20)
March 25, 2022	BSY	M	20,000	$3.88	$77,600	534,316 Direct	+3.89%	Acquired	831.6% (price as of 2026-08-20)
March 15, 2022	BSY	A	100	—	—	514,316 Direct	+0.02%	Acquired	(price as of 2026-08-20)
Dec. 16, 2021	BSY	A	75	—	—	514,216 Direct	+0.01%	Acquired	(price as of 2026-08-20)
Nov. 8, 2021	BSY	S 10b5-1	45,881	$60.10	$2,757,448	514,141 Direct	-8.19%	Disposed	-39.9% (price as of 2026-08-20)
Nov. 5, 2021	BSY	S 10b5-1	800	$60.02	$48,016	560,022 Direct	-0.14%	Disposed	-39.8% (price as of 2026-08-20)
Nov. 4, 2021	BSY	S 10b5-1	3,319	$60.00	$199,140	560,822 Direct	-0.59%	Disposed	-39.8% (price as of 2026-08-20)
Sept. 9, 2021	BSY	A	51	—	—	564,141 Direct	+0.01%	Acquired	(price as of 2026-08-20)
June 15, 2021	BSY	A	54	—	—	564,090 Direct	+0.01%	Acquired	(price as of 2026-08-20)
May 27, 2021	BSY	A	2,608	—	—	564,036 Direct	+0.46%	Acquired	(price as of 2026-08-20)
March 24, 2021	BSY	A	108	—	—	561,428 Direct	+0.02%	Acquired	(price as of 2026-08-20)
March 5, 2021	BSY	M	20,000	$3.73	$74,600	562,941 Direct	+3.68%	Acquired	869.0% (price as of 2026-08-20)
March 5, 2021	BSY	F	1,621	$46.03	$74,615	561,320 Direct	-0.29%	Disposed	-21.5% (price as of 2026-08-20)
March 5, 2021	BSY	M	20,000	$3.73	$74,600	0 Direct	-100.00%	Disposed	869.0% (price as of 2026-08-20)
Dec. 22, 2020	BSY	A	118	—	—	542,941 Direct	+0.02%	Acquired	(price as of 2026-08-20)
Nov. 17, 2020	BSY	S	25,000	$30.80	$770,000	542,823 Direct	-4.40%	Disposed	17.4% (price as of 2026-08-20)
Oct. 2, 2020	BSY	A	1,136	$22.00	$24,992	567,823 Direct	+0.20%	Acquired	64.3% (price as of 2026-08-20)
Sept. 25, 2020	BSY	S	25,000	$22.00	$550,000	566,687 Direct	-4.23%	Disposed	64.3% (price as of 2026-08-20)
Sept. 3, 2020	BSY	A	271	—	—	591,687 Direct	+0.05%	Acquired	(price as of 2026-08-20)
Sept. 2, 2020	BSY	A	13,573	—	—	591,416 Direct	+2.35%	Acquired	(price as of 2026-08-20)
June 18, 2020	BSY	D	102,745	$15.48	$1,590,493	577,843 Direct	-15.10%	Disposed	133.5% (price as of 2026-08-20)
June 12, 2020	BSY	A	271	—	—	680,588 Direct	+0.04%	Acquired	(price as of 2026-08-20)
May 14, 2020	BSY	A	3,230	—	—	680,317 Direct	+0.48%	Acquired	(price as of 2026-08-20)
May 14, 2020	BSY	A	6,460	—	—	677,087 Direct	+0.96%	Acquired	(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
March 21, 2024	BSY	Stock Options (Right to Buy)	Class B Common Stock (10,000)	$5.74	May 14, 2024	10,000	Disposed
March 20, 2023	BSY	Stock Options (Right to Buy)	Class B Common Stock (10,000)	$5.30	May 28, 2023	10,000	Disposed
March 25, 2022	BSY	Stock Options (Right to Buy)	Class B Common Stock (20,000)	$3.88	May 9, 2022	20,000	Disposed
March 5, 2021	BSY	Stock Options (Right to Buy)	Class B Common Stock (20,000)	$3.73	May 10, 2021	20,000	Disposed

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

Initial ownership (Form 3) 5 holdings

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

Date	Ticker	Security	Shares	Ownership
Sept. 23, 2020	BSY	Class B Common Stock	—	Direct
Sept. 23, 2020	BSY	Stock Options (Right to Buy)→ Class B Common Stock (20,000)	20,000	Direct
Sept. 23, 2020	BSY	Stock Options (Right to Buy)→ Class B Common Stock (20,000)	20,000	Direct
Sept. 23, 2020	BSY	Stock Options (Right to Buy)→ Class B Common Stock (10,000)	10,000	Direct
Sept. 23, 2020	BSY	Stock Options (Right to Buy)→ Class B Common Stock (10,000)	10,000	Direct