Greg L Barnett

Insider

First SEC filing: Feb. 5, 2004 · Latest: Feb. 5, 2004

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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.

Insider at

MMSI selling July 30, 2015

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 72 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

72 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
July 30, 2015	MMSI	M	12,500	$9.71	$121,375	12,500 Direct	—	Acquired	845.2% (price as of 2026-08-20)
July 30, 2015	MMSI	S	11,500	$25.25	$290,375	1,000 Direct	-92.00%	Disposed	263.5% (price as of 2026-08-20)
July 30, 2015	MMSI	M	12,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 9, 2015	MMSI	M	15,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 9, 2015	MMSI	S	15,000	$19.04	$285,600	0 Direct	-100.00%	Disposed	382.0% (price as of 2026-08-20)
March 9, 2015	MMSI	M	15,000	$11.53	$172,950	15,000 Direct	—	Acquired	696.0% (price as of 2026-08-20)
Feb. 13, 2015	MMSI	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 18, 2014	MMSI	M	10,000	—	—	15,000 Direct	-40.00%	Disposed	(price as of 2026-08-20)
Dec. 18, 2014	MMSI	S	10,000	$16.91	$169,100	0 Direct	-100.00%	Disposed	442.8% (price as of 2026-08-20)
Dec. 18, 2014	MMSI	M	10,000	$11.53	$115,300	10,000 Direct	—	Acquired	696.0% (price as of 2026-08-20)
Oct. 28, 2014	MMSI	M	12,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 28, 2014	MMSI	S	12,500	$15.00	$187,500	0 Direct	-100.00%	Disposed	511.9% (price as of 2026-08-20)
Oct. 28, 2014	MMSI	M	12,500	$12.02	$150,250	12,500 Direct	—	Acquired	663.6% (price as of 2026-08-20)
Oct. 4, 2014	MMSI	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 28, 2013	MMSI	M	12,500	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 28, 2013	MMSI	M	3,750	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Oct. 28, 2013	MMSI	S	16,250	$16.45	$267,312	0 Direct	-100.00%	Disposed	457.9% (price as of 2026-08-20)
Oct. 28, 2013	MMSI	M	3,750	$11.05	$41,438	16,250 Direct	+30.00%	Acquired	730.6% (price as of 2026-08-20)
Oct. 28, 2013	MMSI	M	12,500	$9.70	$121,250	12,500 Direct	—	Acquired	846.2% (price as of 2026-08-20)
July 31, 2013	MMSI	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 6, 2012	MMSI	M	9,375	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 6, 2012	MMSI	S	9,375	$14.55	$136,406	0 Direct	-100.00%	Disposed	530.8% (price as of 2026-08-20)
Sept. 6, 2012	MMSI	M	9,375	$7.79	$73,031	9,375 Direct	—	Acquired	1078.2% (price as of 2026-08-20)
Aug. 11, 2011	MMSI	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
May 9, 2011	MMSI	S	5,949	$19.16	$113,983	0 Indirect	-100.00%	Disposed	379.0% (price as of 2026-08-20)
April 18, 2011	MMSI	M	10,277	—	—	7,500 Direct	-57.81%	Disposed	(price as of 2026-08-20)
April 18, 2011	MMSI	M	4,779	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 18, 2011	MMSI	S	15,056	$22.42	$337,556	0 Direct	-100.00%	Disposed	411.7% (price as of 2026-08-20)
April 18, 2011	MMSI	M	10,277	$9.74	$100,098	15,056 Direct	+215.04%	Acquired	1077.9% (price as of 2026-08-20)
April 18, 2011	MMSI	M	4,779	$7.61	$36,368	4,779 Direct	—	Acquired	1407.6% (price as of 2026-08-20)
Sept. 18, 2009	MMSI	M	8,000	—	—	4,779 Direct	-62.60%	Disposed	(price as of 2026-08-20)
Sept. 18, 2009	MMSI	S	8,000	$19.00	$152,000	0 Direct	-100.00%	Disposed	503.8% (price as of 2026-08-20)
Sept. 18, 2009	MMSI	M	8,000	$7.61	$60,880	8,000 Direct	—	Acquired	1407.6% (price as of 2026-08-20)
June 18, 2009	MMSI	M	5,000	—	—	12,779 Direct	-28.12%	Disposed	(price as of 2026-08-20)
June 18, 2009	MMSI	M	3,860	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 18, 2009	MMSI	S	8,860	$16.00	$141,760	0 Direct	-100.00%	Disposed	617.0% (price as of 2026-08-20)
June 18, 2009	MMSI	M	5,000	$7.61	$38,050	5,000 Direct	—	Acquired	1407.6% (price as of 2026-08-20)
June 18, 2009	MMSI	M	3,860	$2.07	$7,990	3,860 Direct	—	Acquired	5442.3% (price as of 2026-08-20)
Nov. 3, 2008	MMSI	M	7,808	—	—	3,860 Direct	-66.92%	Disposed	(price as of 2026-08-20)
Nov. 3, 2008	MMSI	S	172	$18.07	$3,108	0 Direct	-100.00%	Disposed	534.9% (price as of 2026-08-20)
Nov. 3, 2008	MMSI	S	100	$18.06	$1,806	172 Direct	-36.76%	Disposed	535.2% (price as of 2026-08-20)
Nov. 3, 2008	MMSI	S	189	$18.05	$3,411	272 Direct	-41.00%	Disposed	535.6% (price as of 2026-08-20)
Nov. 3, 2008	MMSI	S	900	$18.04	$16,236	461 Direct	-66.13%	Disposed	535.9% (price as of 2026-08-20)
Nov. 3, 2008	MMSI	S	900	$18.03	$16,227	1,361 Direct	-39.81%	Disposed	536.3% (price as of 2026-08-20)
Nov. 3, 2008	MMSI	S	193	$18.02	$3,478	2,261 Direct	-7.86%	Disposed	536.7% (price as of 2026-08-20)
Nov. 3, 2008	MMSI	S	1,673	$18.02	$30,147	2,454 Direct	-40.54%	Disposed	536.7% (price as of 2026-08-20)
Nov. 3, 2008	MMSI	S	3,135	$18.01	$56,461	4,127 Direct	-43.17%	Disposed	537.0% (price as of 2026-08-20)
Nov. 3, 2008	MMSI	S	546	$18.00	$9,828	7,262 Direct	-6.99%	Disposed	537.4% (price as of 2026-08-20)
Nov. 3, 2008	MMSI	M	7,808	$2.07	$16,163	7,808 Direct	—	Acquired	5442.3% (price as of 2026-08-20)
May 21, 2008	MMSI	A	20,000	—	—	20,000 Direct	—	Acquired	(price as of 2026-08-20)
June 27, 2007	MMSI	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 29, 2006	MMSI	M	5,000	$2.07	$10,350	11,668 Direct	-30.00%	Disposed	5442.3% (price as of 2026-08-20)
Nov. 29, 2006	MMSI	S	200	$16.15	$3,230	0 Direct	-100.00%	Disposed	610.4% (price as of 2026-08-20)
Nov. 29, 2006	MMSI	S	4,800	$16.10	$77,280	200 Direct	-96.00%	Disposed	612.6% (price as of 2026-08-20)
Nov. 29, 2006	MMSI	M	5,000	$2.07	$10,350	5,000 Direct	—	Acquired	5442.3% (price as of 2026-08-20)
Dec. 28, 2005	MMSI	A	10,000	$12.14	$121,400	10,000 Direct	—	Acquired	845.0% (price as of 2026-08-20)
Dec. 28, 2005	MMSI	A	10,000	$12.14	$121,400	72,224 Direct	+16.07%	Acquired	845.0% (price as of 2026-08-20)
Dec. 18, 2004	MMSI	A	10,000	$15.03	$150,300	10,000 Direct	—	Acquired	663.3% (price as of 2026-08-20)
June 10, 2004	MMSI	A	3,000	—	—	3,000 Direct	—	Acquired	(price as of 2026-08-20)
June 10, 2004	MMSI	A	3,000	$13.81	$41,430	3,000 Direct	—	Acquired	730.7% (price as of 2026-08-20)
Dec. 13, 2003	MMSI	M	7,000	$21.67	$151,690	7,000 Direct	—	Acquired	429.4% (price as of 2026-08-20)
Nov. 24, 2003	MMSI	M	3,333	$10.14	$33,797	3,333 Direct	—	Acquired	1408.5% (price as of 2026-08-20)
Nov. 24, 2003	MMSI	S	3,333	$29.25	$97,490	0 Direct	-100.00%	Disposed	423.0% (price as of 2026-08-20)
Nov. 24, 2003	MMSI	M	3,333	$10.14	$33,797	13,334 Direct	+33.33%	Acquired	1408.5% (price as of 2026-08-20)
Nov. 24, 2003	MMSI	M	3,333	$10.14	$33,797	3,333 Direct	—	Acquired	1408.5% (price as of 2026-08-20)
Nov. 24, 2003	MMSI	S	3,333	$10.14	$33,797	0 Direct	-100.00%	Disposed	1408.5% (price as of 2026-08-20)
Nov. 24, 2003	MMSI	M	3,333	$10.14	$33,797	13,334 Direct	+33.33%	Acquired	1408.5% (price as of 2026-08-20)
Oct. 27, 2003	MMSI	M	4,167	$2.76	$11,501	0 Direct	-100.00%	Disposed	5442.3% (price as of 2026-08-20)
Oct. 27, 2003	MMSI	S	4,167	$25.01	$104,217	0 Direct	—	Acquired	511.6% (price as of 2026-08-20)
Oct. 27, 2003	MMSI	M	4,167	$2.76	$11,501	4,167 Direct	—	Acquired	5442.3% (price as of 2026-08-20)
Sept. 8, 2003	MMSI	A	2,000	$2.76	$5,520	12,501 Direct	-13.79%	Disposed	5442.3% (price as of 2026-08-20)
Sept. 8, 2003	MMSI	S	1,000	$23.05	$23,050	3,692 Direct	-21.31%	Disposed	563.6% (price as of 2026-08-20)
Sept. 8, 2003	MMSI	M	1,000	$2.76	$2,760	4,692 Direct	+27.09%	Acquired	5442.3% (price as of 2026-08-20)
Sept. 8, 2003	MMSI	S	1,000	$23.25	$23,250	3,692 Direct	-21.31%	Disposed	557.9% (price as of 2026-08-20)
Sept. 8, 2003	MMSI	M	1,000	$2.76	$2,760	4,692 Direct	+27.09%	Acquired	5442.3% (price as of 2026-08-20)
Aug. 19, 2003	MMSI	M	1,760	$2.76	$4,858	14,501 Direct	-10.82%	Disposed	5442.3% (price as of 2026-08-20)
Aug. 19, 2003	MMSI	S	1,760	$21.26	$37,418	3,692 Direct	-32.28%	Disposed	619.5% (price as of 2026-08-20)
Aug. 19, 2003	MMSI	M	1,760	$2.76	$4,858	5,452 Direct	+47.67%	Acquired	5442.3% (price as of 2026-08-20)
Aug. 4, 2003	MMSI	M	304	$3.68	$1,119	12,196 Direct	+2.56%	Acquired	5442.3% (price as of 2026-08-20)
Aug. 4, 2003	MMSI	S	304	$27.50	$8,360	2,685 Direct	-10.17%	Disposed	641.7% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	17,777	$9.74	$173,148	17,777 Direct	—	Acquired	4807.8% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	17,779	$7.61	$135,298	17,779 Direct	—	Acquired	6181.5% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	16,668	$2.07	$34,503	16,668 Direct	—	Acquired	22992.8% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	4,922	—	—	4,922 Indirect	—	Acquired	(price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	3,692	—	—	3,692 Indirect	—	Acquired	(price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	12,501	$2.76	$34,503	12,501 Direct	—	Acquired	17219.6% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	13,333	$12.99	$173,196	13,333 Direct	—	Acquired	3579.9% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	3,692	—	—	3,692 Indirect	—	Acquired	(price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	12,501	$2.76	$34,503	12,501 Direct	—	Acquired	17219.6% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	13,333	$12.99	$173,196	13,333 Direct	—	Acquired	3579.9% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	13,334	$12.99	$173,209	13,334 Direct	-50.00%	Disposed	3579.9% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	16,667	$10.14	$169,003	16,667 Direct	-50.00%	Disposed	4614.2% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	12,501	$2.76	$34,503	12,501 Direct	-50.00%	Disposed	17219.6% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	A	3,692	—	—	3,692 Indirect	—	Acquired	(price as of 2026-08-20)
Aug. 8, 1988	MMSI	A	13,334	$12.99	$173,209	13,334 Direct	—	Acquired	3579.9% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	A	16,667	$10.14	$169,003	16,667 Direct	—	Acquired	4614.2% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	A	4,167	$2.76	$11,501	4,167 Direct	—	Acquired	17219.6% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	16,667	$10.14	$169,003	16,667 Direct	—	Acquired	4614.2% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	13,334	$12.99	$173,209	13,334 Direct	—	Acquired	3579.9% (price as of 2026-08-20)
Aug. 8, 1988	MMSI	M	4,167	$2.76	$11,501	4,167 Direct	—	Acquired	17219.6% (price as of 2026-08-20)

Showing latest 100 of 101 transactions

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
July 30, 2015	MMSI	Non-qualified stock options (right to buy)	Common Stock (12,500)	$9.71	Dec. 28, 2015	12,500	Disposed
March 9, 2015	MMSI	Non-qualified stock options (right to buy)	Common Stock (15,000)	$11.53	May 21, 2015	15,000	Disposed
Feb. 13, 2015	MMSI	Non-qualified stock options (right to buy)	Common Stock (10,000)	$17.27	Feb. 13, 2022	10,000	Acquired
Dec. 18, 2014	MMSI	Non-qualified stock options (right to buy)	Common Stock (10,000)	$11.53	May 21, 2015	10,000	Disposed
Oct. 28, 2014	MMSI	Non-qualified stock options (right to buy)	Common Stock (12,500)	$12.02	Dec. 18, 2014	12,500	Disposed
Oct. 4, 2014	MMSI	Non-qualified stock options (right to buy)	Common Stock (10,000)	$12.06	Oct. 4, 2021	10,000	Acquired
Oct. 28, 2013	MMSI	Non-qualified stock options (right to buy)	Common Stock (12,500)	$9.70	June 27, 2014	12,500	Disposed
Oct. 28, 2013	MMSI	Non-qualified stock options (right to buy)	Common Stock (3,750)	$11.05	June 10, 2014	3,750	Disposed
July 31, 2013	MMSI	Non-qualified stock options (right to buy)	Common Stock (10,000)	$13.14	July 31, 2020	10,000	Acquired
Sept. 6, 2012	MMSI	Non-qualified stock options (right to buy)	Common Stock (9,375)	$7.79	Feb. 6, 2013	9,375	Disposed
Aug. 11, 2011	MMSI	Non-qualified stock options (right to buy)	Common Stock (20,000)	$13.75	Aug. 11, 2018	20,000	Acquired
April 18, 2011	MMSI	Non-qualified stock options (right to buy)	Common Stock (10,277)	$9.74	Feb. 6, 2013	10,277	Disposed
April 18, 2011	MMSI	Non-qualified stock options (right to buy)	Common Stock (4,779)	$7.61	Dec. 8, 2011	4,779	Disposed
Sept. 18, 2009	MMSI	Non-qualified stock options (right to buy)	Common Stock (8,000)	$7.61	Dec. 8, 2011	8,000	Disposed
June 18, 2009	MMSI	Non-qualified stock options (right to buy)	Common Stock (5,000)	$7.61	Dec. 8, 2011	5,000	Disposed
June 18, 2009	MMSI	Non-qualified stock options (right to buy)	Common Stock (3,860)	$2.07	Feb. 12, 2011	3,860	Disposed
Nov. 3, 2008	MMSI	Non-qualified stock options (right to buy)	Common Stock (7,808)	$2.07	Feb. 12, 2011	7,808	Disposed
May 21, 2008	MMSI	Non-qualified stock options (right to buy)	Common Stock	$14.41	May 21, 2015	20,000	Acquired
June 27, 2007	MMSI	Non-qualified stock options (right to buy)	Common Stock (10,000)	$12.13	June 27, 2014	10,000	Acquired
Nov. 29, 2006	MMSI	Non-qualified stock options (right to buy)	Common Stock (16,668)	$2.07	Feb. 12, 2011	5,000	Disposed
Dec. 28, 2005	MMSI	Non-qualified stock options (right to buy)	Common Stock (10,000)	$12.14	Dec. 28, 2015	10,000	Acquired
Dec. 28, 2005	MMSI	Non-qualified stock options (right to buy)	Common Stock (10,000)	$12.14	Dec. 28, 2015	10,000	Acquired
Dec. 18, 2004	MMSI	Non-qualified stock options (right to buy)	Common Stock (10,000)	$15.03	Dec. 18, 2014	10,000	Acquired
June 10, 2004	MMSI	Non-qualified stock options (right to buy)	Common Stock (3,000)	$13.81	June 10, 2014	3,000	Acquired
June 10, 2004	MMSI	Non-qualified stock options (right to buy)	Common Stock (3,000)	$13.81	June 10, 2014	3,000	Acquired
Dec. 13, 2003	MMSI	Non-qualified Stock Option (right to buy)	Common Stock (7,000)	$21.67	Dec. 13, 2013	7,000	Acquired
Nov. 24, 2003	MMSI	Non-qualified Stock Options (right to buy)	Common Stock (3,333)	$10.14	Dec. 7, 2011	3,333	Acquired
Nov. 24, 2003	MMSI	Non-qualified Stock Options (right to buy)	Common Stock (3,333)	$10.14	Dec. 7, 2011	3,333	Acquired
Oct. 27, 2003	MMSI	Non-qualified stock options (right to buy)	Common Stock (4,167)	$2.76	March 31, 2004	4,167	Disposed
Sept. 8, 2003	MMSI	Nonqualified stock options (right to buy)	Common Stock (2,000)	$2.76	Feb. 12, 2011	2,000	Disposed
Aug. 19, 2003	MMSI	Non-qualified stock option (right to buy)	Common Stock	—	Feb. 12, 2011	1,760	Disposed
Aug. 4, 2003	MMSI	Non-qualified stock options (right to buy)	Common Stock (304)	$3.68	Feb. 12, 2011	304	Acquired
Aug. 8, 1988	MMSI	Non-qualified Stock Option (right to buy)	Common Stock (17,777)	—	Feb. 6, 2013	17,777	Acquired
Aug. 8, 1988	MMSI	Non-qualified Stock Option (right to buy)	Common Stock (17,779)	—	Dec. 7, 2011	17,779	Acquired
Aug. 8, 1988	MMSI	Non-qualified Stock Option (right to buy)	Common Stock (16,668)	—	Feb. 12, 2011	16,668	Acquired
Aug. 8, 1988	MMSI	Non-qualified Stock Options (right to buy)	Common Stock (12,501)	$2.76	Feb. 12, 2011	12,501	Acquired
Aug. 8, 1988	MMSI	Non-qualified Stock Options (right to buy)	Common Stock (13,333)	$12.99	Feb. 6, 2013	13,333	Acquired
Aug. 8, 1988	MMSI	Non-qualified Stock Options (right to buy)	Common Stock (12,501)	$2.76	Feb. 12, 2011	12,501	Acquired
Aug. 8, 1988	MMSI	Non-qualified Stock Options (right to buy)	Common Stock (13,333)	$12.99	Feb. 6, 2013	13,333	Acquired
Aug. 8, 1988	MMSI	Non-qualified stock options (right to buy)	Common Stock (13,334)	$12.99	Feb. 6, 2012	13,334	Disposed
Aug. 8, 1988	MMSI	Non-qualified stock options (right to buy)	Common Stock (16,667)	$10.14	Dec. 7, 2011	16,667	Disposed
Aug. 8, 1988	MMSI	Non-qualified stock options (right to buy)	Common Stock (12,501)	$2.76	Feb. 12, 2011	12,501	Disposed
Aug. 8, 1988	MMSI	Nonqualified stock options (right to buy)	Common Stock (13,334)	$12.99	Feb. 6, 2013	13,334	Acquired
Aug. 8, 1988	MMSI	Nonqualified stock options (right to buy)	Common Stock (16,667)	$10.14	Dec. 7, 2011	16,667	Acquired
Aug. 8, 1988	MMSI	Nonqualified stock options (right to buy)	Common Stock (4,167)	$2.76	March 31, 2004	4,167	Acquired
Aug. 8, 1988	MMSI	Nonqualified stock option (right to buy)	Common Stock	—	Jan. 7, 2011	16,667	Acquired
Aug. 8, 1988	MMSI	Nonqualified stock option (right to buy)	Common Stock	—	Feb. 6, 2013	13,334	Acquired
Aug. 8, 1988	MMSI	Nonqualified stock options (right to buy)	Common Stock	—	March 31, 2004	4,167	Acquired

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