Douglas G. Boessen

Insider

First SEC filing: June 8, 2026 · Latest: June 8, 2026

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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.
Compensation Executive pay disclosed in company proxy statements.

Insider at

GRMN selling June 5, 2026

Insider transactions

0 buys (P) 10 sells (S) Net: $-1,969,084 + 47 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

47 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 5, 2026	GRMN	S 10b5-1	85	$238.91	$20,307	26,049 Direct	-0.33%	Disposed	23.1% (price as of 2026-08-20)
June 5, 2026	GRMN	S 10b5-1	1,288	$238.28	$306,905	26,134 Direct	-4.70%	Disposed	23.4% (price as of 2026-08-20)
June 5, 2026	GRMN	S 10b5-1	355	$237.31	$84,245	27,422 Direct	-1.28%	Disposed	23.9% (price as of 2026-08-20)
June 5, 2026	GRMN	S 10b5-1	272	$236.59	$64,352	27,777 Direct	-0.97%	Disposed	24.3% (price as of 2026-08-20)
Feb. 26, 2026	GRMN	S 10b5-1	155	$253.26	$39,255	28,049 Direct	-0.55%	Disposed	16.1% (price as of 2026-08-20)
Feb. 26, 2026	GRMN	S 10b5-1	1,920	$252.01	$483,859	28,204 Direct	-6.37%	Disposed	16.7% (price as of 2026-08-20)
Feb. 26, 2026	GRMN	S 10b5-1	1,412	$251.01	$354,426	30,124 Direct	-4.48%	Disposed	17.1% (price as of 2026-08-20)
Feb. 25, 2026	GRMN	F	3,732	$251.99	$940,427	31,536 Direct	-10.58%	Disposed	16.7% (price as of 2026-08-20)
Feb. 18, 2026	GRMN	A	6,780	—	—	35,268 Direct	+23.80%	Acquired	(price as of 2026-08-20)
Feb. 13, 2026	GRMN	S 10b5-1	479	$215.41	$103,181	28,488 Direct	-1.65%	Disposed	36.5% (price as of 2026-08-20)
Dec. 16, 2025	GRMN	S 10b5-1	508	$206.84	$105,075	28,916 Direct	-1.73%	Disposed	42.1% (price as of 2026-08-20)
Dec. 16, 2025	GRMN	S 10b5-1	1,977	$206.11	$407,479	29,424 Direct	-6.30%	Disposed	42.6% (price as of 2026-08-20)
Dec. 15, 2025	GRMN	A	4,239	—	—	31,401 Direct	+15.61%	Acquired	(price as of 2026-08-20)
Dec. 15, 2025	GRMN	F	1,984	$207.23	$411,144	27,162 Direct	-6.81%	Disposed	41.9% (price as of 2026-08-20)
July 3, 2025	GRMN	S 10b5-1	1,859	$215.00	$399,685	29,146 Direct	-6.00%	Disposed	36.7% (price as of 2026-08-20)
Feb. 28, 2025	GRMN	S 10b5-1	269	$227.87	$61,297	30,936 Direct	-0.86%	Disposed	29.0% (price as of 2026-08-20)
Feb. 28, 2025	GRMN	S 10b5-1	1,249	$227.13	$283,685	31,205 Direct	-3.85%	Disposed	29.4% (price as of 2026-08-20)
Feb. 28, 2025	GRMN	S 10b5-1	690	$226.05	$155,974	32,454 Direct	-2.08%	Disposed	30.1% (price as of 2026-08-20)
Feb. 28, 2025	GRMN	S 10b5-1	555	$225.26	$125,019	33,144 Direct	-1.65%	Disposed	30.5% (price as of 2026-08-20)
Feb. 25, 2025	GRMN	F	2,725	$226.04	$615,959	33,699 Direct	-7.48%	Disposed	30.1% (price as of 2026-08-20)
Feb. 19, 2025	GRMN	A	8,742	—	—	36,424 Direct	+31.58%	Acquired	(price as of 2026-08-20)
Dec. 20, 2024	GRMN	S 10b5-1	535	$209.25	$111,949	27,612 Direct	-1.90%	Disposed	40.5% (price as of 2026-08-20)
Dec. 20, 2024	GRMN	S 10b5-1	614	$208.74	$128,166	28,147 Direct	-2.13%	Disposed	40.8% (price as of 2026-08-20)
Dec. 20, 2024	GRMN	S 10b5-1	314	$206.85	$64,951	28,761 Direct	-1.08%	Disposed	42.1% (price as of 2026-08-20)
Dec. 20, 2024	GRMN	S 10b5-1	298	$205.40	$61,209	29,075 Direct	-1.01%	Disposed	43.1% (price as of 2026-08-20)
Dec. 16, 2024	GRMN	S 10b5-1	131	$218.72	$28,652	29,373 Direct	-0.44%	Disposed	34.4% (price as of 2026-08-20)
Dec. 16, 2024	GRMN	S 10b5-1	325	$216.60	$70,395	29,504 Direct	-1.09%	Disposed	35.7% (price as of 2026-08-20)
Dec. 16, 2024	GRMN	S 10b5-1	438	$216.00	$94,608	29,829 Direct	-1.45%	Disposed	36.1% (price as of 2026-08-20)
Dec. 15, 2024	GRMN	A	3,933	—	—	30,267 Direct	+14.94%	Acquired	(price as of 2026-08-20)
Dec. 15, 2024	GRMN	F	1,784	$215.40	$384,274	26,334 Direct	-6.34%	Disposed	36.5% (price as of 2026-08-20)
June 10, 2024	GRMN	S 10b5-1	116	$162.75	$18,879	28,010 Direct	-0.41%	Disposed	80.6% (price as of 2026-08-20)
June 10, 2024	GRMN	S 10b5-1	2,234	$161.58	$360,970	28,126 Direct	-7.36%	Disposed	82.0% (price as of 2026-08-20)
June 10, 2024	GRMN	S 10b5-1	116	$162.75	$18,879	28,010 Direct	-0.41%	Disposed	80.6% (price as of 2026-08-20)
June 10, 2024	GRMN	S 10b5-1	2,234	$161.58	$360,970	28,126 Direct	-7.36%	Disposed	82.0% (price as of 2026-08-20)
Feb. 27, 2024	GRMN	S 10b5-1	344	$135.14	$46,488	30,360 Direct	-1.12%	Disposed	117.6% (price as of 2026-08-20)
Feb. 27, 2024	GRMN	S 10b5-1	4,923	$134.52	$662,242	30,704 Direct	-13.82%	Disposed	118.6% (price as of 2026-08-20)
Feb. 25, 2024	GRMN	F	2,147	$135.51	$290,940	35,627 Direct	-5.68%	Disposed	117.0% (price as of 2026-08-20)
Feb. 21, 2024	GRMN	A	9,906	—	—	37,774 Direct	+35.55%	Acquired	(price as of 2026-08-20)
Dec. 15, 2023	GRMN	A	5,178	—	—	27,755 Direct	+22.93%	Acquired	(price as of 2026-08-20)
Dec. 15, 2023	GRMN	F	1,407	$126.13	$177,465	22,577 Direct	-5.87%	Disposed	133.1% (price as of 2026-08-20)
June 12, 2023	GRMN	S 10b5-1	2,364	$106.05	$250,702	23,843 Direct	-9.02%	Disposed	177.2% (price as of 2026-08-20)
June 12, 2023	GRMN	S 10b5-1	13,289	$105.37	$1,400,262	26,207 Direct	-33.65%	Disposed	179.0% (price as of 2026-08-20)
Feb. 25, 2023	GRMN	F	1,685	$98.30	$165,636	39,496 Direct	-4.09%	Disposed	199.1% (price as of 2026-08-20)
Dec. 15, 2022	GRMN	A	4,296	—	—	41,134 Direct	+11.66%	Acquired	(price as of 2026-08-20)
Dec. 15, 2022	GRMN	F	1,208	$92.72	$112,006	36,838 Direct	-3.18%	Disposed	217.1% (price as of 2026-08-20)
Feb. 25, 2022	GRMN	F	1,799	$111.83	$201,182	37,897 Direct	-4.53%	Disposed	162.9% (price as of 2026-08-20)
Feb. 16, 2022	GRMN	A	4,824	—	—	39,696 Direct	+13.83%	Acquired	(price as of 2026-08-20)
Dec. 15, 2021	GRMN	A	2,583	—	—	34,800 Direct	+8.02%	Acquired	(price as of 2026-08-20)
Dec. 15, 2021	GRMN	F	1,371	$135.43	$185,675	32,217 Direct	-4.08%	Disposed	117.1% (price as of 2026-08-20)
March 16, 2021	GRMN	S 10b5-1	1,281	$128.96	$165,198	33,468 Direct	-3.69%	Disposed	128.0% (price as of 2026-08-20)
March 16, 2021	GRMN	S 10b5-1	2,072	$128.10	$265,423	34,749 Direct	-5.63%	Disposed	129.5% (price as of 2026-08-20)
March 16, 2021	GRMN	S 10b5-1	1,232	$127.13	$156,624	36,821 Direct	-3.24%	Disposed	131.3% (price as of 2026-08-20)
March 15, 2021	GRMN	M	12,680	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 15, 2021	GRMN	S 10b5-1	2,279	$127.96	$291,621	38,053 Direct	-5.65%	Disposed	129.8% (price as of 2026-08-20)
March 15, 2021	GRMN	S 10b5-1	4,975	$127.61	$634,860	40,332 Direct	-10.98%	Disposed	130.4% (price as of 2026-08-20)
March 15, 2021	GRMN	F	8,095	$128.11	$1,037,050	45,307 Direct	-15.16%	Disposed	129.5% (price as of 2026-08-20)
March 15, 2021	GRMN	M	12,680	$52.44	$664,939	53,402 Direct	+31.14%	Acquired	460.6% (price as of 2026-08-20)
Feb. 25, 2021	GRMN	F	2,015	$124.34	$250,545	40,722 Direct	-4.71%	Disposed	136.4% (price as of 2026-08-20)
Feb. 17, 2021	GRMN	A	6,426	—	—	42,737 Direct	+17.70%	Acquired	(price as of 2026-08-20)
Dec. 15, 2020	GRMN	A	2,625	—	—	36,210 Direct	+7.82%	Acquired	(price as of 2026-08-20)
Dec. 15, 2020	GRMN	F	1,302	$119.19	$155,185	33,585 Direct	-3.73%	Disposed	146.7% (price as of 2026-08-20)
Feb. 25, 2020	GRMN	F	1,708	$92.00	$157,136	34,733 Direct	-4.69%	Disposed	219.6% (price as of 2026-08-20)
Feb. 25, 2020	GRMN	A	4,089	—	—	36,441 Direct	+12.64%	Acquired	(price as of 2026-08-20)
Dec. 15, 2019	GRMN	A	2,955	—	—	32,265 Direct	+10.08%	Acquired	(price as of 2026-08-20)
Dec. 15, 2019	GRMN	F	1,484	$97.43	$144,586	29,310 Direct	-4.82%	Disposed	201.8% (price as of 2026-08-20)
Feb. 25, 2019	GRMN	F	1,936	$83.55	$161,753	30,506 Direct	-5.97%	Disposed	251.9% (price as of 2026-08-20)
Feb. 25, 2019	GRMN	A	5,328	—	—	32,442 Direct	+19.65%	Acquired	(price as of 2026-08-20)
Dec. 15, 2018	GRMN	A	3,681	—	—	26,990 Direct	+15.79%	Acquired	(price as of 2026-08-20)
Dec. 15, 2018	GRMN	F	1,807	$65.14	$117,708	23,309 Direct	-7.19%	Disposed	351.3% (price as of 2026-08-20)
Feb. 25, 2018	GRMN	F	1,248	$60.35	$75,317	24,824 Direct	-4.79%	Disposed	387.2% (price as of 2026-08-20)
Feb. 25, 2018	GRMN	F	1,360	$60.35	$82,076	24,125 Direct	-5.34%	Disposed	387.2% (price as of 2026-08-20)
Feb. 25, 2018	GRMN	A	4,077	—	—	25,485 Direct	+19.04%	Acquired	(price as of 2026-08-20)
Dec. 15, 2017	GRMN	A	3,675	—	—	21,255 Direct	+20.90%	Acquired	(price as of 2026-08-20)
Dec. 15, 2017	GRMN	F	1,842	$58.36	$107,499	17,580 Direct	-9.48%	Disposed	403.8% (price as of 2026-08-20)
Feb. 25, 2017	GRMN	F	643	$53.03	$34,098	19,076 Direct	-3.26%	Disposed	454.4% (price as of 2026-08-20)
Feb. 25, 2017	GRMN	A	5,784	—	—	19,719 Direct	+41.51%	Acquired	(price as of 2026-08-20)
Dec. 15, 2016	GRMN	A	4,392	—	—	13,582 Direct	+47.79%	Acquired	(price as of 2026-08-20)
Dec. 15, 2016	GRMN	F	1,081	$49.42	$53,423	9,190 Direct	-10.52%	Disposed	494.9% (price as of 2026-08-20)
Dec. 15, 2015	GRMN	A	6,240	—	—	9,775 Direct	+176.52%	Acquired	(price as of 2026-08-20)
Dec. 15, 2015	GRMN	F	419	$35.38	$14,824	3,535 Direct	-10.60%	Disposed	731.0% (price as of 2026-08-20)
Dec. 15, 2014	GRMN	M	12,680	—	—	12,680 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 15, 2014	GRMN	A	3,954	—	—	3,954 Direct	—	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 15, 2021	GRMN	Stock Appreciation Right	Registered Shares (12,680)	$52.44	Dec. 15, 2025	12,680	Disposed
Dec. 15, 2014	GRMN	Stock appreciation rights	Registered Shares (12,680)	$52.44	Dec. 15, 2025	12,680	Acquired

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

Initial ownership (Form 3) 1 holding

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

Date	Ticker	Security	Shares	Ownership
July 31, 2014	GRMN	Registered Shares	0	Direct

Compensation (DEF 14A)

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

GRMN

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2025	$800,577	$358	$1,699,877	—	—	—	$43,911	$2,544,723
2024	$780,385	$358	$1,475,121	—	—	—	$40,473	$2,296,337
2023	$750,577	$333	$1,249,990	—	—	—	$39,348	$2,040,248

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