Charles Peffer

Insider

First SEC filing: March 10, 2010 · Latest: March 10, 2010

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

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 69 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

69 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 7, 2024	GRMN	F	376	$163.26	$61,386	28,657 Direct	-1.30%	Disposed	80.1% (price as of 2026-08-20)
June 10, 2023	GRMN	F	376	$105.34	$39,608	29,033 Direct	-1.28%	Disposed	179.1% (price as of 2026-08-20)
June 9, 2023	GRMN	A	1,501	—	—	29,409 Direct	+5.38%	Acquired	(price as of 2026-08-20)
June 10, 2022	GRMN	A	1,502	—	—	27,908 Direct	+5.69%	Acquired	(price as of 2026-08-20)
June 4, 2022	GRMN	F	262	$104.81	$27,460	26,406 Direct	-0.98%	Disposed	180.5% (price as of 2026-08-20)
June 8, 2021	GRMN	F	217	$142.55	$30,933	26,668 Direct	-0.81%	Disposed	106.2% (price as of 2026-08-20)
June 5, 2021	GRMN	F	399	$143.64	$57,312	26,885 Direct	-1.46%	Disposed	104.7% (price as of 2026-08-20)
June 4, 2021	GRMN	A	1,045	—	—	27,284 Direct	+3.98%	Acquired	(price as of 2026-08-20)
June 9, 2020	GRMN	F	218	$98.13	$21,392	26,239 Direct	-0.82%	Disposed	199.6% (price as of 2026-08-20)
June 8, 2020	GRMN	F	216	$99.30	$21,449	26,457 Direct	-0.81%	Disposed	196.1% (price as of 2026-08-20)
June 7, 2020	GRMN	F	501	$96.53	$48,362	26,673 Direct	-1.84%	Disposed	204.6% (price as of 2026-08-20)
June 5, 2020	GRMN	A	1,594	—	—	27,174 Direct	+6.23%	Acquired	(price as of 2026-08-20)
June 10, 2019	GRMN	F	271	$80.17	$21,726	25,580 Direct	-1.05%	Disposed	266.7% (price as of 2026-08-20)
June 9, 2019	GRMN	F	218	$78.95	$17,211	25,851 Direct	-0.84%	Disposed	272.4% (price as of 2026-08-20)
June 8, 2019	GRMN	F	217	$78.95	$17,132	26,069 Direct	-0.83%	Disposed	272.4% (price as of 2026-08-20)
June 7, 2019	GRMN	A	2,004	—	—	26,286 Direct	+8.25%	Acquired	(price as of 2026-08-20)
June 10, 2018	GRMN	F	271	$61.85	$16,761	24,282 Direct	-1.10%	Disposed	375.3% (price as of 2026-08-20)
June 9, 2018	GRMN	F	218	$61.85	$13,483	24,553 Direct	-0.88%	Disposed	375.3% (price as of 2026-08-20)
June 8, 2018	GRMN	A	2,594	—	—	24,771 Direct	+11.70%	Acquired	(price as of 2026-08-20)
June 5, 2018	GRMN	F	250	$61.69	$15,422	22,177 Direct	-1.11%	Disposed	376.6% (price as of 2026-08-20)
Feb. 23, 2018	GRMN	M	5,981	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 23, 2018	GRMN	M	3,924	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 23, 2018	GRMN	S	9,905	$60.55	$599,748	22,427 Direct	-30.64%	Disposed	385.5% (price as of 2026-08-20)
Feb. 23, 2018	GRMN	M	5,981	$33.44	$200,005	32,332 Direct	+22.70%	Acquired	779.2% (price as of 2026-08-20)
Feb. 23, 2018	GRMN	M	3,924	$50.97	$200,006	26,351 Direct	+17.50%	Acquired	476.8% (price as of 2026-08-20)
June 12, 2017	GRMN	F	271	$51.89	$14,062	22,427 Direct	-1.19%	Disposed	466.6% (price as of 2026-08-20)
June 9, 2017	GRMN	A	2,608	—	—	22,698 Direct	+12.98%	Acquired	(price as of 2026-08-20)
June 6, 2017	GRMN	F	149	$52.84	$7,873	20,090 Direct	-0.74%	Disposed	456.4% (price as of 2026-08-20)
June 5, 2017	GRMN	F	251	$53.58	$13,449	20,239 Direct	-1.22%	Disposed	448.7% (price as of 2026-08-20)
June 10, 2016	GRMN	A	3,246	—	—	20,490 Direct	+18.82%	Acquired	(price as of 2026-08-20)
June 7, 2016	GRMN	F	239	$43.03	$10,284	17,244 Direct	-1.37%	Disposed	583.2% (price as of 2026-08-20)
June 6, 2016	GRMN	F	148	$42.69	$6,318	17,483 Direct	-0.84%	Disposed	588.7% (price as of 2026-08-20)
June 6, 2016	GRMN	F	250	$42.15	$10,538	17,631 Direct	-1.40%	Disposed	597.5% (price as of 2026-08-20)
Nov. 5, 2015	GRMN	G	1,400	—	—	17,881 Direct	-7.26%	Disposed	(price as of 2026-08-20)
June 7, 2015	GRMN	F	239	$45.26	$10,817	19,281 Direct	-1.22%	Disposed	549.6% (price as of 2026-08-20)
June 6, 2015	GRMN	F	148	$45.26	$6,698	19,520 Direct	-0.75%	Disposed	549.6% (price as of 2026-08-20)
June 5, 2015	GRMN	A	3,002	—	—	19,668 Direct	+18.01%	Acquired	(price as of 2026-08-20)
June 1, 2015	GRMN	F	200	$45.39	$9,078	16,666 Direct	-1.19%	Disposed	547.7% (price as of 2026-08-20)
June 7, 2014	GRMN	F	239	$59.65	$14,256	16,866 Direct	-1.40%	Disposed	392.9% (price as of 2026-08-20)
June 6, 2014	ST	A	8,600	—	—	8,600 Direct	—	Acquired	(price as of 2026-08-20)
June 6, 2014	GRMN	A	1,780	—	—	17,105 Direct	+11.62%	Acquired	(price as of 2026-08-20)
June 3, 2014	GRMN	F	249	$57.98	$14,437	15,325 Direct	-1.60%	Disposed	407.1% (price as of 2026-08-20)
June 1, 2014	GRMN	F	200	$58.76	$11,752	15,574 Direct	-1.27%	Disposed	400.3% (price as of 2026-08-20)
Feb. 25, 2014	GRMN	M	8,662	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Feb. 25, 2014	GRMN	F	7,000	$52.36	$366,520	15,774 Direct	-30.74%	Disposed	461.5% (price as of 2026-08-20)
Feb. 25, 2014	GRMN	M	8,662	$23.09	$200,006	22,774 Direct	+61.38%	Acquired	1173.3% (price as of 2026-08-20)
Feb. 10, 2014	ST	M	15,000	—	—	2,200 Direct	-87.21%	Disposed	(price as of 2026-08-20)
Feb. 10, 2014	ST	S	15,000	$40.37	$605,550	2,000 Direct	-88.24%	Disposed	4.5% (price as of 2026-08-20)
Feb. 10, 2014	ST	M	15,000	$20.60	$309,000	17,000 Direct	+750.00%	Acquired	104.7% (price as of 2026-08-20)
June 7, 2013	GRMN	A	2,871	—	—	14,112 Direct	+25.54%	Acquired	(price as of 2026-08-20)
June 3, 2013	GRMN	F	250	$35.02	$8,755	11,241 Direct	-2.18%	Disposed	739.5% (price as of 2026-08-20)
June 1, 2013	GRMN	F	200	$35.31	$7,062	11,491 Direct	-1.71%	Disposed	732.6% (price as of 2026-08-20)
May 24, 2013	ST	A	11,700	—	—	11,700 Direct	—	Acquired	(price as of 2026-08-20)
June 3, 2012	GRMN	F	250	$42.19	$10,548	11,691 Direct	-2.09%	Disposed	596.8% (price as of 2026-08-20)
June 1, 2012	GRMN	A	2,404	—	—	11,941 Direct	+25.21%	Acquired	(price as of 2026-08-20)
May 25, 2012	ST	A	12,900	—	—	12,900 Direct	—	Acquired	(price as of 2026-08-20)
May 23, 2012	GRMN	M	2,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 23, 2012	GRMN	M	2,658	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 23, 2012	GRMN	S	2,470	$43.83	$108,260	9,537 Direct	-20.57%	Disposed	570.8% (price as of 2026-08-20)
May 23, 2012	GRMN	M	2,750	$21.83	$60,032	12,007 Direct	+29.71%	Acquired	1246.8% (price as of 2026-08-20)
May 23, 2012	GRMN	M	2,658	$18.13	$48,190	9,257 Direct	+40.28%	Acquired	1521.6% (price as of 2026-08-20)
June 3, 2011	GRMN	A	2,999	—	—	6,599 Direct	+83.31%	Acquired	(price as of 2026-08-20)
March 10, 2011	ST	A	7,500	—	—	7,500 Direct	—	Acquired	(price as of 2026-08-20)
May 20, 2010	GRMN	A	5,981	—	—	5,981 Direct	—	Acquired	(price as of 2026-08-20)
April 29, 2010	ST	A	17,200	—	—	17,200 Direct	—	Acquired	(price as of 2026-08-20)
March 16, 2010	ST	P	2,000	$18.00	$36,000	2,000 Direct	—	Acquired	134.3% (price as of 2026-08-20)
June 5, 2009	GRMN	A	8,662	—	—	8,662 Direct	—	Acquired	(price as of 2026-08-20)
June 6, 2008	GRMN	A	3,924	—	—	3,924 Direct	—	Acquired	(price as of 2026-08-20)
June 8, 2007	GRMN	A	1,580	—	—	1,580 Direct	—	Acquired	(price as of 2026-08-20)
June 9, 2006	GRMN	A	1,084	—	—	1,084 Direct	—	Acquired	(price as of 2026-08-20)
May 12, 2006	GRMN	P	250	$94.72	$23,680	1,800 Direct	+16.13%	Acquired	520.8% (price as of 2026-08-20)
Aug. 29, 2005	GRMN	J	50	—	—	1,550 Direct	+3.33%	Acquired	(price as of 2026-08-20)
June 6, 2005	GRMN	A	1,375	—	—	1,375 Direct	—	Acquired	(price as of 2026-08-20)
May 2, 2005	GRMN	P	500	$39.60	$19,800	1,500 Direct	+50.00%	Acquired	1384.8% (price as of 2026-08-20)
Sept. 14, 2004	GRMN	P	200	$40.50	$8,100	1,000 Direct	+25.00%	Acquired	1351.9% (price as of 2026-08-20)
Sept. 14, 2004	GRMN	P	300	$40.25	$12,075	800 Direct	+60.00%	Acquired	1360.9% (price as of 2026-08-20)
Aug. 16, 2004	GRMN	A	1,329	—	—	1,329 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
Feb. 23, 2018	GRMN	Stock Option (Right to Buy)	Registered Shares (5,981)	$33.44	May 20, 2020	5,981	Disposed
Feb. 23, 2018	GRMN	Stock Option (Right to Buy)	Registered Shares (3,924)	$50.97	June 6, 2018	3,924	Disposed
June 6, 2014	ST	Stock Options to Buy	Ordinary Shares, par value EUR 0.01 per share (8,600)	$44.20	June 6, 2024	8,600	Acquired
Feb. 25, 2014	GRMN	Stock option (right to buy)	Registered Shares (8,662)	$23.09	June 5, 2019	8,662	Disposed
Feb. 10, 2014	ST	Stock Options to Buy	Ordinary Shares, par value EUR 0.01 per share (15,000)	$20.60	April 29, 2020	15,000	Disposed
May 24, 2013	ST	Stock Options to Buy [F1]	Ordinary Shares, par value EUR 0.01 per share (11,700)	$34.54	May 24, 2023	11,700	Acquired
May 25, 2012	ST	Stock Options to Buy [F1]	Ordinary Shares, par value EUR 0.01 per share (12,900)	$31.76	May 25, 2022	12,900	Acquired
May 23, 2012	GRMN	Stock option (right to buy)	Common Shares (2,750)	$21.83	June 6, 2015	2,750	Disposed
May 23, 2012	GRMN	Stock option (right to buy)	Common Shares (2,658)	$18.13	Aug. 16, 2014	2,658	Disposed
March 10, 2011	ST	Stock Option to Buy [F1]	Ordinary Shares, par value EUR 0.01 per share (7,500)	$33.02	March 10, 2021	7,500	Acquired
May 20, 2010	GRMN	Stock Option (Right to Buy)	Common Shares (5,981)	$33.44	May 20, 2020	5,981	Acquired
April 29, 2010	ST	Stock Options to Buy [F1]	Ordinary Shares, par value EUR 0.01 per share (17,200)	$20.60	April 29, 2020	17,200	Acquired
June 5, 2009	GRMN	Stock Option (Right to Buy)	Common Shares (8,662)	$23.09	June 5, 2019	8,662	Acquired
June 6, 2008	GRMN	Stock Option (Right to Buy)	Common Shares (3,924)	$50.97	June 6, 2018	3,924	Acquired
June 8, 2007	GRMN	Stock Option (Right to Buy)	Common Shares (1,580)	$63.31	June 8, 2017	1,580	Acquired
June 9, 2006	GRMN	Stock Option (Right to Buy)	Common Shares (1,084)	$92.29	June 9, 2016	1,084	Acquired
June 6, 2005	GRMN	Stock Option (Right to Buy)	Common Shares (1,375)	$43.66	June 6, 2015	1,375	Acquired
Aug. 16, 2004	GRMN	Stock Option (Right to Buy)	Common Shares (1,329)	$36.26	Aug. 16, 2014	1,329	Acquired

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

Initial ownership (Form 3) 2 holdings

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

Date	Ticker	Security	Shares	Ownership
March 10, 2010	ST	No securities beneficially owned	0	Direct
Aug. 16, 2004	GRMN	Common Shares	500	Direct