Joseph J Hartnett

Insider

First SEC filing: June 9, 2026 · Latest: June 9, 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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

GRMN selling June 9, 2026

Insider transactions

0 buys (P) 2 sells (S) Net: $-321,282 + 39 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

39 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 9, 2026	GRMN	S	643	$236.09	$151,806	21,277 Direct	-2.93%	Disposed	24.5% (price as of 2026-08-21)
June 9, 2026	GRMN	S	643	$263.57	$169,476	21,277 Direct	-2.93%	Disposed	11.5% (price as of 2026-08-21)
June 6, 2026	GRMN	F	215	$236.57	$50,863	21,920 Direct	-0.97%	Disposed	24.2% (price as of 2026-08-21)
June 5, 2026	GRMN	A	753	—	—	22,135 Direct	+3.52%	Acquired	(price as of 2026-08-21)
June 7, 2025	GRMN	F	273	$207.45	$56,634	21,382 Direct	-1.26%	Disposed	41.7% (price as of 2026-08-21)
June 6, 2025	GRMN	A	858	—	—	21,655 Direct	+4.13%	Acquired	(price as of 2026-08-21)
June 9, 2024	GRMN	F	376	$163.26	$61,386	20,797 Direct	-1.78%	Disposed	80.0% (price as of 2026-08-21)
June 7, 2024	GRMN	A	1,090	—	—	21,173 Direct	+5.43%	Acquired	(price as of 2026-08-21)
June 10, 2023	GRMN	F	376	$105.34	$39,608	20,083 Direct	-1.84%	Disposed	179.0% (price as of 2026-08-21)
June 9, 2023	GRMN	A	1,501	—	—	20,459 Direct	+7.92%	Acquired	(price as of 2026-08-21)
June 10, 2022	GRMN	A	1,502	—	—	18,958 Direct	+8.60%	Acquired	(price as of 2026-08-21)
June 4, 2022	GRMN	F	262	$104.81	$27,460	17,456 Direct	-1.48%	Disposed	180.4% (price as of 2026-08-21)
June 8, 2021	GRMN	F	217	$142.55	$30,933	17,718 Direct	-1.21%	Disposed	106.2% (price as of 2026-08-21)
June 5, 2021	GRMN	F	399	$143.64	$57,312	17,935 Direct	-2.18%	Disposed	104.6% (price as of 2026-08-21)
June 4, 2021	GRMN	A	1,045	—	—	18,334 Direct	+6.04%	Acquired	(price as of 2026-08-21)
June 9, 2020	GRMN	F	218	$98.13	$21,392	17,289 Direct	-1.25%	Disposed	199.5% (price as of 2026-08-21)
June 8, 2020	GRMN	F	216	$99.30	$21,449	17,507 Direct	-1.22%	Disposed	196.0% (price as of 2026-08-21)
June 7, 2020	GRMN	F	501	$96.53	$48,362	17,723 Direct	-2.75%	Disposed	204.5% (price as of 2026-08-21)
June 5, 2020	GRMN	A	1,594	—	—	18,224 Direct	+9.59%	Acquired	(price as of 2026-08-21)
March 13, 2020	GRMN	P	400	$74.54	$29,816	16,630 Direct	+2.46%	Acquired	294.3% (price as of 2026-08-21)
March 13, 2020	GRMN	P	250	$74.50	$18,625	16,230 Direct	+1.56%	Acquired	294.5% (price as of 2026-08-21)
June 10, 2019	GRMN	F	271	$80.17	$21,726	15,980 Direct	-1.67%	Disposed	266.6% (price as of 2026-08-21)
June 9, 2019	GRMN	F	218	$78.95	$17,211	16,251 Direct	-1.32%	Disposed	272.3% (price as of 2026-08-21)
June 8, 2019	GRMN	F	217	$78.95	$17,132	16,469 Direct	-1.30%	Disposed	272.3% (price as of 2026-08-21)
June 7, 2019	GRMN	A	2,004	—	—	16,686 Direct	+13.65%	Acquired	(price as of 2026-08-21)
June 10, 2018	GRMN	F	271	$61.85	$16,761	14,680 Direct	-1.81%	Disposed	375.2% (price as of 2026-08-21)
June 9, 2018	GRMN	F	218	$61.85	$13,483	14,951 Direct	-1.44%	Disposed	375.2% (price as of 2026-08-21)
June 8, 2018	GRMN	A	2,594	—	—	15,169 Direct	+20.63%	Acquired	(price as of 2026-08-21)
June 5, 2018	GRMN	F	250	$61.69	$15,422	12,575 Direct	-1.95%	Disposed	376.5% (price as of 2026-08-21)
June 12, 2017	GRMN	F	271	$51.89	$14,062	12,571 Direct	-2.11%	Disposed	466.5% (price as of 2026-08-21)
June 9, 2017	GRMN	A	2,608	—	—	12,842 Direct	+25.48%	Acquired	(price as of 2026-08-21)
June 6, 2017	GRMN	F	149	$52.84	$7,873	10,234 Direct	-1.44%	Disposed	456.3% (price as of 2026-08-21)
June 5, 2017	GRMN	F	251	$53.58	$13,449	10,383 Direct	-2.36%	Disposed	448.6% (price as of 2026-08-21)
June 10, 2016	GRMN	A	3,246	—	—	10,636 Direct	+43.92%	Acquired	(price as of 2026-08-21)
June 7, 2016	GRMN	F	239	$43.03	$10,284	7,390 Direct	-3.13%	Disposed	583.1% (price as of 2026-08-21)
June 6, 2016	GRMN	F	148	$42.69	$6,318	7,629 Direct	-1.90%	Disposed	588.5% (price as of 2026-08-21)
June 6, 2016	GRMN	F	250	$42.15	$10,538	7,777 Direct	-3.11%	Disposed	597.4% (price as of 2026-08-21)
June 7, 2015	GRMN	F	239	$45.26	$10,817	8,027 Direct	-2.89%	Disposed	549.4% (price as of 2026-08-21)
June 6, 2015	GRMN	F	148	$45.26	$6,698	8,266 Direct	-1.76%	Disposed	549.4% (price as of 2026-08-21)
June 5, 2015	GRMN	A	3,002	—	—	8,414 Direct	+55.47%	Acquired	(price as of 2026-08-21)
Aug. 18, 2014	GRMN	P	1,000	$55.94	$55,940	5,412 Direct	+22.67%	Acquired	425.4% (price as of 2026-08-21)
June 7, 2014	GRMN	F	239	$59.65	$14,256	4,412 Direct	-5.14%	Disposed	392.8% (price as of 2026-08-21)
June 6, 2014	GRMN	A	1,780	—	—	4,651 Direct	+62.00%	Acquired	(price as of 2026-08-21)
June 7, 2013	GRMN	A	2,871	—	—	2,871 Direct	—	Acquired	(price as of 2026-08-21)

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
June 7, 2013	GRMN	Registered Shares	0	Direct