Jonathan D. Buck

Insider

First SEC filing: March 2, 2020 · Latest: March 2, 2020

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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

MSA selling Aug. 4, 2026

Insider transactions

0 buys (P) 3 sells (S) Net: $-367,020 + 37 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

37 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Aug. 4, 2026	MSA	G	52	—	—	4,245 Direct	-1.21%	Disposed	(price as of 2026-08-19)
Aug. 4, 2026	MSA	S	469	$191.00	$89,579	3,776 Direct	-11.05%	Disposed	0.0% (price as of 2026-08-19)
March 8, 2026	MSA	A	783	—	—	4,474 Direct	+21.21%	Acquired	(price as of 2026-08-19)
March 8, 2026	MSA	F	177	$183.43	$32,467	4,297 Direct	-3.96%	Disposed	4.2% (price as of 2026-08-19)
March 8, 2026	MSA	F	317	$183.43	$58,147	3,980 Direct	-7.38%	Disposed	4.2% (price as of 2026-08-19)
March 8, 2026	MSA	A	1,100	—	—	4,791 Direct	+29.80%	Acquired	(price as of 2026-08-19)
March 4, 2026	MSA	A	457	—	—	3,691 Direct	+14.13%	Acquired	(price as of 2026-08-19)
Feb. 17, 2026	MSA	G	100	—	—	4,334 Direct	-2.26%	Disposed	(price as of 2026-08-19)
Feb. 17, 2026	MSA	S	1,100	$203.48	$223,828	3,234 Direct	-25.38%	Disposed	-6.1% (price as of 2026-08-19)
Nov. 25, 2025	MSA	S	333	$161.00	$53,613	4,434 Direct	-6.99%	Disposed	18.7% (price as of 2026-08-19)
Aug. 31, 2025	MSA	F	424	$170.60	$72,334	4,767 Direct	-8.17%	Disposed	12.0% (price as of 2026-08-19)
May 30, 2025	MSA	A	920	—	—	5,191 Direct	+21.54%	Acquired	(price as of 2026-08-19)
March 8, 2025	MSA	A	1,031	—	—	4,704 Direct	+28.07%	Acquired	(price as of 2026-08-19)
March 8, 2025	MSA	F	136	$157.99	$21,487	4,568 Direct	-2.89%	Disposed	20.9% (price as of 2026-08-19)
March 8, 2025	MSA	F	297	$157.99	$46,923	4,271 Direct	-6.50%	Disposed	20.9% (price as of 2026-08-19)
Feb. 24, 2025	MSA	S	717	$159.00	$114,003	3,673 Direct	-16.33%	Disposed	20.2% (price as of 2026-08-19)
Feb. 18, 2025	MSA	A	535	—	—	4,390 Direct	+13.88%	Acquired	(price as of 2026-08-19)
March 11, 2024	MSA	G	55	—	—	3,811 Direct	-1.42%	Disposed	(price as of 2026-08-19)
March 11, 2024	MSA	S	305	$185.50	$56,578	3,506 Direct	-8.00%	Disposed	3.0% (price as of 2026-08-19)
March 8, 2024	MSA	F	106	$185.92	$19,708	4,400 Direct	-2.35%	Disposed	2.8% (price as of 2026-08-19)
March 8, 2024	MSA	F	185	$185.92	$34,395	4,215 Direct	-4.20%	Disposed	2.8% (price as of 2026-08-19)
March 8, 2024	MSA	A	640	—	—	4,506 Direct	+16.55%	Acquired	(price as of 2026-08-19)
March 8, 2024	MSA	F	89	$185.92	$16,547	4,417 Direct	-1.98%	Disposed	2.8% (price as of 2026-08-19)
March 8, 2024	MSA	F	190	$185.92	$35,325	4,227 Direct	-4.30%	Disposed	2.8% (price as of 2026-08-19)
Feb. 20, 2024	MSA	A	465	—	—	3,866 Direct	+13.67%	Acquired	(price as of 2026-08-19)
Aug. 9, 2023	MSA	S	172	$177.82	$30,585	3,401 Direct	-4.81%	Disposed	7.5% (price as of 2026-08-19)
June 13, 2023	MSA	S	133	$155.01	$20,616	3,573 Direct	-3.59%	Disposed	23.3% (price as of 2026-08-19)
March 8, 2023	MSA	A	624	—	—	3,981 Direct	+18.59%	Acquired	(price as of 2026-08-19)
March 8, 2023	MSA	F	95	$137.83	$13,094	3,886 Direct	-2.39%	Disposed	38.6% (price as of 2026-08-19)
March 8, 2023	MSA	F	180	$137.83	$24,809	3,706 Direct	-4.63%	Disposed	38.6% (price as of 2026-08-19)
Feb. 27, 2023	MSA	S	713	$135.29	$96,462	3,361 Direct	-17.50%	Disposed	41.2% (price as of 2026-08-19)
Feb. 24, 2023	MSA	G	107	—	—	4,074 Direct	-2.56%	Disposed	(price as of 2026-08-19)
Feb. 21, 2023	MSA	A	610	—	—	4,177 Direct	+17.10%	Acquired	(price as of 2026-08-19)
Feb. 21, 2023	MSA	A	614	—	—	4,181 Direct	+17.21%	Acquired	(price as of 2026-08-19)
Aug. 31, 2022	MSA	A	1,472	—	—	3,567 Direct	+70.26%	Acquired	(price as of 2026-08-19)
March 11, 2022	MSA	G	112	—	—	2,095 Direct	-5.07%	Disposed	(price as of 2026-08-19)
March 8, 2022	MSA	A	353	—	—	2,389 Direct	+17.34%	Acquired	(price as of 2026-08-19)
March 8, 2022	MSA	F	80	$128.64	$10,291	2,309 Direct	-3.35%	Disposed	48.5% (price as of 2026-08-19)
March 8, 2022	MSA	F	102	$128.64	$13,121	2,207 Direct	-4.42%	Disposed	48.5% (price as of 2026-08-19)
Feb. 22, 2022	MSA	A	100	—	—	2,036 Direct	+5.17%	Acquired	(price as of 2026-08-19)
Feb. 22, 2022	MSA	A	469	—	—	1,936 Direct	+31.97%	Acquired	(price as of 2026-08-19)
March 8, 2021	MSA	F	42	$163.78	$6,879	1,467 Direct	-2.78%	Disposed	16.7% (price as of 2026-08-19)
March 1, 2021	MSA	S	569	$165.60	$94,226	1,540 Direct	-26.98%	Disposed	15.4% (price as of 2026-08-19)
March 1, 2021	MSA	G	31	—	—	1,509 Direct	-2.01%	Disposed	(price as of 2026-08-19)
Feb. 23, 2021	MSA	A	368	—	—	2,109 Direct	+21.14%	Acquired	(price as of 2026-08-19)
March 8, 2020	MSA	F	43	$129.40	$5,564	1,741 Direct	-2.41%	Disposed	47.7% (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 2, 2020	MSA	Common Stock, no par value	1,784	Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

MSA

CFO

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2022	$301,393	—	$307,131	—	$140,493	—	$31,925	$780,941

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