Marvin M Garrett

Insider

First SEC filing: May 11, 2011 · Latest: May 11, 2011

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

KOS selling Jan. 9, 2014

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 28 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

28 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Jan. 31, 2017	KOS	A	51,533	—	—	523,016 Direct	+10.93%	Acquired	(price as of 2026-08-21)
Jan. 3, 2017	KOS	F	7,061	$7.01	$49,498	449,083 Direct	-1.55%	Disposed	-57.0% (price as of 2026-08-21)
Jan. 3, 2017	KOS	F	8,014	$7.01	$56,178	456,144 Direct	-1.73%	Disposed	-57.0% (price as of 2026-08-21)
June 1, 2016	KOS	A	22,400	—	—	471,483 Direct	+4.99%	Acquired	(price as of 2026-08-21)
June 1, 2016	KOS	F	13,768	$5.60	$77,101	464,158 Direct	-2.88%	Disposed	-46.2% (price as of 2026-08-21)
June 1, 2016	KOS	F	5,183	$5.60	$29,025	477,926 Direct	-1.07%	Disposed	-46.2% (price as of 2026-08-21)
Jan. 22, 2016	KOS	A	51,533	—	—	483,109 Direct	+11.94%	Acquired	(price as of 2026-08-21)
Jan. 4, 2016	KOS	F	5,609	$5.20	$29,167	431,576 Direct	-1.28%	Disposed	-42.0% (price as of 2026-08-21)
June 1, 2015	KOS	F	4,570	$8.87	$40,536	437,185 Direct	-1.03%	Disposed	-66.0% (price as of 2026-08-21)
June 1, 2015	KOS	F	5,259	$8.87	$46,647	441,755 Direct	-1.18%	Disposed	-66.0% (price as of 2026-08-21)
May 16, 2015	KOS	F	39,953	$9.31	$371,962	447,014 Direct	-8.20%	Disposed	-67.6% (price as of 2026-08-21)
May 16, 2015	KOS	F	24,677	$9.31	$229,743	486,967 Direct	-4.82%	Disposed	-67.6% (price as of 2026-08-21)
May 16, 2015	KOS	D	58,823	—	—	511,644 Direct	-10.31%	Disposed	(price as of 2026-08-21)
Jan. 23, 2015	KOS	A	51,533	—	—	570,467 Direct	+9.93%	Acquired	(price as of 2026-08-21)
June 24, 2014	KOS	A	43,572	—	—	518,934 Direct	+9.17%	Acquired	(price as of 2026-08-21)
June 1, 2014	KOS	F	2,909	$10.48	$30,486	475,362 Direct	-0.61%	Disposed	-71.2% (price as of 2026-08-21)
June 1, 2014	KOS	F	2,350	$10.48	$24,628	478,271 Direct	-0.49%	Disposed	-71.2% (price as of 2026-08-21)
May 16, 2014	KOS	F	35,382	$10.48	$370,803	480,621 Direct	-6.86%	Disposed	-71.2% (price as of 2026-08-21)
Jan. 9, 2014	KOS	S 10b5-1	500	$11.54	$5,770	898,921 Indirect	-0.06%	Disposed	-73.9% (price as of 2026-08-21)
June 19, 2013	KOS	A	27,733	—	—	516,003 Direct	+5.68%	Acquired	(price as of 2026-08-21)
June 1, 2013	KOS	F	2,350	$10.32	$24,252	488,270 Direct	-0.48%	Disposed	-70.8% (price as of 2026-08-21)
May 16, 2013	KOS	F	36,638	$11.52	$422,070	490,620 Direct	-6.95%	Disposed	-73.8% (price as of 2026-08-21)
Feb. 21, 2013	KOS	S	53,726	$11.00	$590,986	899,421 Indirect	-5.64%	Disposed	-72.6% (price as of 2026-08-21)
Feb. 21, 2013	KOS	S	50,000	$11.00	$550,000	527,258 Direct	-8.66%	Disposed	-72.6% (price as of 2026-08-21)
Jan. 4, 2013	KOS	S 10b5-1	50,000	$13.01	$650,500	953,147 Indirect	-4.98%	Disposed	-76.8% (price as of 2026-08-21)
Jan. 3, 2013	KOS	S 10b5-1	50,000	$12.67	$633,500	1,003,147 Indirect	-4.75%	Disposed	-76.2% (price as of 2026-08-21)
Dec. 20, 2012	KOS	S 10b5-1	30,000	$12.51	$375,300	1,053,147 Indirect	-2.77%	Disposed	-75.9% (price as of 2026-08-21)
June 11, 2012	KOS	A	22,400	—	—	577,258 Direct	+4.04%	Acquired	(price as of 2026-08-21)
May 16, 2012	KOS	J	33,377	$10.52	$351,126	554,858 Direct	-5.67%	Disposed	-71.3% (price as of 2026-08-21)
June 15, 2011	KOS	M	117,647	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 15, 2011	KOS	M	117,647	—	—	588,235 Direct	+25.00%	Acquired	(price as of 2026-08-21)
May 18, 2011	KOS	A	470,588	—	—	470,588 Direct	—	Acquired	(price as of 2026-08-21)
May 18, 2011	KOS	A	117,647	—	—	117,647 Direct	—	Acquired	(price as of 2026-08-21)
May 16, 2011	KOS	J	1,083,147	—	—	1,083,147 Indirect	—	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.

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
June 15, 2011	KOS	Common Shares (Right to Receive)	Common Shares (117,647)	—	June 15, 2011	117,647	Disposed
May 18, 2011	KOS	Common Shares (Right to Receive)	Common Shares (117,647)	—	—	117,647	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
May 11, 2011	KOS	Common Stock [F1]	0	Direct