Insider at

04

Insider transactions

05
0 buys (P) 4 sells (S) Net: $-5,189,900 + 78 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

78 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Nov. 25, 2025 MMSI S 10,000 $88.04 $880,400 1,019,955 Direct -0.97% Disposed -3.0% (price as of 2026-10-02)
Nov. 21, 2025 MMSI S 25,000 $87.31 $2,182,750 1,029,955 Direct -2.37% Disposed -2.2% (price as of 2026-10-02)
Nov. 20, 2025 MMSI S 20,000 $85.13 $1,702,600 1,054,955 Direct -1.86% Disposed 0.3% (price as of 2026-10-02)
Nov. 18, 2025 MMSI S 5,000 $84.83 $424,150 1,074,955 Direct -0.46% Disposed 0.6% (price as of 2026-10-02)
June 10, 2025 MMSI S 400 $95.61 $38,244 1,045,628 Direct -0.04% Disposed -10.7% (price as of 2026-10-02)
June 5, 2025 MMSI S 10,000 $95.19 $951,900 1,046,028 Direct -0.95% Disposed -10.3% (price as of 2026-10-02)
May 30, 2025 MMSI S 10,000 $95.12 $951,200 1,056,028 Direct -0.94% Disposed -10.3% (price as of 2026-10-02)
May 27, 2025 MMSI S 20,000 $96.54 $1,930,800 1,066,028 Direct -1.84% Disposed -11.6% (price as of 2026-10-02)
March 5, 2025 MMSI S 11,320 $104.05 $1,177,846 1,106,028 Direct -1.01% Disposed -18.0% (price as of 2026-10-02)
March 5, 2025 MMSI S 20,000 $103.75 $2,075,000 1,086,028 Direct -1.81% Disposed -17.7% (price as of 2026-10-02)
March 5, 2025 MMSI S 410 $103.75 $42,538 10,324 Indirect -3.82% Disposed -17.7% (price as of 2026-10-02)
March 5, 2025 MMSI S 2,590 $103.75 $268,712 7,734 Indirect -25.09% Disposed -17.7% (price as of 2026-10-02)
March 14, 2023 MMSI S 5,278 $67.66 $357,109 987,615 Direct -0.53% Disposed 26.2% (price as of 2026-10-02)
March 14, 2023 MMSI S 19,699 $68.43 $1,348,003 967,916 Direct -1.99% Disposed 24.8% (price as of 2026-10-02)
March 2, 2023 MMSI S 19,176 $69.86 $1,339,635 992,893 Direct -1.89% Disposed 22.2% (price as of 2026-10-02)
March 1, 2023 MMSI S 1,483 $70.17 $104,062 1,012,069 Direct -0.15% Disposed 21.7% (price as of 2026-10-02)
March 12, 2021 MMSI S 4,947 $59.60 $294,841 967,916 Direct -0.51% Disposed 43.2% (price as of 2026-10-02)
May 20, 2020 MMSI S 5,000 $44.00 $220,000 1,269 Indirect -79.76% Disposed 94.0% (price as of 2026-10-02)
Sept. 6, 2019 MMSI S 11,817 $30.41 $359,355 1,269 Indirect -90.30% Disposed 180.7% (price as of 2026-10-02)
Sept. 6, 2019 MMSI S 150,000 $30.72 $4,608,000 929,991 Direct -13.89% Disposed 177.9% (price as of 2026-10-02)
Aug. 15, 2019 MMSI S 40,000 $36.86 $1,474,400 1,079,991 Direct -3.57% Disposed 131.6% (price as of 2026-10-02)
Dec. 15, 2015 MMSI S 3,125 $18.47 $57,719 11,817 Indirect -20.91% Disposed 362.2% (price as of 2026-10-02)

Showing latest 100 of 533 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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Aug. 29, 2025 MMSI Non-qualified stock options (right to buy) Common Stock (159,151) $55.73 March 1, 2026 159,151 Disposed
Aug. 29, 2025 MMSI Non-qualified stock options (right to buy) Common Stock (2,000) $55.73 March 1, 2026 2,000 Disposed
Feb. 28, 2025 MMSI Non-qualified stock options (right to buy) Common Stock (38,002) $44.80 March 2, 2025 38,002 Disposed
Feb. 28, 2025 MMSI Non-qualified stock options (right to buy) Common Stock (4,000) $44.80 March 2, 2025 4,000 Disposed
Aug. 25, 2023 MMSI Non-qualified stock options (right to buy) Common Stock (200,000) $28.20 April 14, 2024 200,000 Disposed
Aug. 25, 2023 MMSI Non-qualified stock options (right to buy) Common Stock (6,000) $28.20 April 14, 2024 6,000 Disposed
Feb. 28, 2023 MMSI Non-qualified stock options (right to buy) Common Stock (54,302) $70.58 Feb. 28, 2030 54,302 Acquired
Aug. 10, 2022 MMSI Non-qualified stock options (right to buy) Common Stock (50,000) $16.05 Jan. 28, 2023 50,000 Disposed
Aug. 10, 2022 MMSI Non-qualified stock options (right to buy) Common Stock (6,000) $16.05 Jan. 28, 2023 6,000 Disposed
Feb. 26, 2022 MMSI Non-qualified stock options (right to buy) Common Stock (48,566) $65.03 Feb. 28, 2029 48,566 Acquired
Sept. 8, 2021 MMSI Non-qualified stock options (right to buy) Common Stock (5,000) $17.27 Feb. 13, 2022 5,000 Disposed
March 19, 2021 MMSI Non-qualified stock options (right to buy) Common Stock (58,083) $56.25 March 19, 2028 58,083 Acquired
May 20, 2020 MMSI Non-qualified stock options (right to buy) Common Stock (5,000) $12.06 Oct. 4, 2021 5,000 Disposed
March 6, 2020 MMSI Non-qualified stock options (right to buy) Common Stock (50,000) $12.06 Oct. 4, 2021 50,000 Disposed
March 6, 2020 MMSI Non-qualified stock options (right to buy) Common Stock (50,000) $17.27 Feb. 13, 2022 50,000 Disposed
Feb. 26, 2020 MMSI Performance Stock Units Common Stock (21,215) · March 15, 2023 21,215 Acquired
Feb. 26, 2020 MMSI Non-qualified stock options (right to buy) Common Stock (100,334) $37.71 Feb. 26, 2027 100,334 Acquired
March 1, 2019 MMSI Non-qualified stock options (right to buy) Common Stock (10,000) $55.73 March 1, 2026 10,000 Acquired
March 1, 2019 MMSI Non-qualified stock options (right to buy) Common Stock (159,151) $55.73 March 1, 2026 159,151 Acquired
June 4, 2018 MMSI Non-qualified stock options (right to buy) Common Stock (120,000) $13.75 Aug. 11, 2018 120,000 Disposed
March 2, 2018 MMSI Non-qualified stock options (right to buy) Common Stock (10,000) $44.80 March 2, 2025 10,000 Acquired
March 2, 2018 MMSI Non-qualified stock options (right to buy) Common Stock (38,002) $44.80 March 2, 2025 38,002 Acquired
April 14, 2017 MMSI Non-qualified stock options (right to buy) Common Stock (200,000) $28.20 April 14, 2029 200,000 Acquired
April 14, 2017 MMSI Non-qualified stock options (right to buy) Common Stock (10,000) $28.20 April 14, 2029 10,000 Acquired
Sept. 12, 2016 MMSI Non-qualified stock options (right to buy) Common Stock (25,000) $13.82 Sept. 26, 2016 25,000 Disposed
Jan. 28, 2016 MMSI Non-qualified stock options (right to buy) Common Stock (50,000) $16.05 Jan. 28, 2023 50,000 Acquired
Jan. 28, 2016 MMSI Non-qualified stock options (right to buy) Common Stock (7,500) $16.05 Jan. 28, 2023 7,500 Acquired
Dec. 15, 2015 MMSI Non-qualified stock options (right to buy) Common Stock (3,125) $9.71 Dec. 28, 2015 3,125 Disposed
Aug. 10, 2015 MMSI Non-qualified stock options (right to buy) Common Stock (50,000) $9.71 Dec. 28, 2015 50,000 Disposed
May 15, 2015 MMSI Non-qualified stock options (right to buy) Common Stock (93,750) $14.39 July 15, 2015 93,750 Disposed
March 6, 2015 MMSI Non-qualified stock options (right to buy) Common Stock (68,750) $11.53 May 21, 2015 68,750 Disposed
March 6, 2015 MMSI Non-qualified stock options (right to buy) Common Stock (18,750) $11.41 May 25, 2015 18,750 Disposed
Feb. 13, 2015 MMSI Non-qualified stock options (right to buy) Common Stock (5,000) $17.27 Feb. 13, 2022 5,000 Acquired
Feb. 13, 2015 MMSI Non-qualified stock options (right to buy) Common Stock (50,000) $17.27 Feb. 13, 2022 50,000 Acquired
Oct. 4, 2014 MMSI Non-qualified stock options (right to buy) Common Stock $12.06 Oct. 4, 2021 5,000 Acquired
Oct. 4, 2014 MMSI Non-qualified stock options (right to buy) Common Stock (50,000) $12.06 Oct. 4, 2021 50,000 Acquired
March 18, 2014 MMSI Non-qualified stock options (right to buy) Common Stock (18,750) $9.70 June 27, 2014 18,750 Disposed
March 18, 2014 MMSI Non-qualified stock options (right to buy) Common Stock (50,000) $9.70 June 27, 2014 50,000 Disposed
March 18, 2014 MMSI Non-qualified stock options (right to buy) Common Stock (50,000) $12.02 Dec. 18, 2014 50,000 Disposed
March 18, 2014 MMSI Non-qualified stock options (right to buy) Common Stock (15,000) $11.05 June 10, 2014 15,000 Disposed
March 18, 2014 MMSI Non-qualified stock options (right to buy) Common Stock (18,750) $11.05 June 10, 2014 18,750 Disposed
May 24, 2013 MMSI Non-qualified stock options (right to buy) Common Stock (18,750) $9.22 May 25, 2013 18,750 Disposed
May 22, 2013 MMSI Non-qualified stock options (right to buy) Common Stock (33,334) $8.38 May 22, 2013 33,334 Disposed
Sept. 13, 2012 MMSI Non-qualified stock options (right to buy) Common Stock (88,889) $7.79 Feb. 6, 2013 88,889 Disposed
May 2, 2012 MMSI Non-qualified stock options (right to buy) Common Stock (22,221) $7.65 May 23, 2012 22,221 Disposed
Aug. 11, 2011 MMSI Non-qualified stock options (right to buy) Common Stock (2,500) $13.75 Aug. 11, 2018 2,500 Acquired
Aug. 11, 2011 MMSI Non-qualified stock options (right to buy) Common Stock (120,000) $13.75 Aug. 11, 2018 120,000 Acquired
Aug. 11, 2011 MMSI Non-qualified stock options (right to buy) Common Stock (120,000) $13.75 Aug. 11, 2018 120,000 Acquired
April 15, 2011 MMSI Non-qualified stock options (right to buy) Common Stock (88,889) $7.61 Dec. 8, 2011 88,889 Disposed
April 15, 2011 MMSI Non-qualified stock options (right to buy) Common Stock (27,777) $2.85 May 23, 2011 27,777 Disposed
Sept. 26, 2009 MMSI Non-qualified stock options (right to buy) Common Stock (20,000) $17.28 Sept. 26, 2016 20,000 Acquired
March 3, 2009 MMSI Non-qualified stock options (right to buy) Common Stock (111,111) $2.07 Feb. 12, 2011 111,111 Disposed
May 21, 2008 MMSI Non-qualified stock options (right to buy) Common stock (55,000) $14.41 May 21, 2015 55,000 Acquired
June 27, 2007 MMSI Non-qualified stock options (right to buy) Common Stock (15,000) $12.13 June 27, 2014 15,000 Acquired
June 27, 2007 MMSI Non-qualified stock options (right to buy) Common Stock (40,000) $12.13 June 27, 2014 40,000 Acquired
May 25, 2006 MMSI Non-qualified stock options (right to buy) Common Stock (15,000) $11.52 May 25, 2013 15,000 Acquired
Dec. 28, 2005 MMSI Nonqualified stock option (right to buy) Common Stock (2,500) $12.14 Dec. 28, 2015 2,500 Acquired
Dec. 28, 2005 MMSI Nonqualified stock option (right to buy) Common Stock (40,000) $12.14 Dec. 28, 2015 40,000 Acquired
Dec. 28, 2005 MMSI Nonqualified stock option (right to buy) Common Stock (40,000) $12.14 Dec. 28, 2015 40,000 Acquired
Dec. 28, 2005 MMSI Nonqualified stock option (right to buy) Common Stock (40,000) $12.14 Dec. 28, 2015 40,000 Acquired
July 15, 2005 MMSI Non-qualified Stock Option (right to buy) Common Stock (75,000) $17.99 July 15, 2015 75,000 Acquired
May 25, 2005 MMSI Nonqualified Stock Options (right to buy) Common Stock (15,000) $14.26 May 25, 2015 15,000 Acquired
May 23, 2005 MMSI Nonqualified stock options (right to buy) Common Stock (20,833) $1.62 May 24, 2005 20,833 Disposed
May 23, 2005 MMSI Nonqualified stock options (right to buy) Common Stock (111,111) $1.62 May 24, 2005 111,111 Disposed
Dec. 18, 2004 MMSI Non-qualified stock options (right to buy) Common Stock (40,000) $15.03 Dec. 18, 2014 40,000 Acquired
June 10, 2004 MMSI Non-qualified stock options (right to buy) Common Stock (15,000) $13.81 June 10, 2014 15,000 Acquired
June 10, 2004 MMSI Non-qualified stock options (right to buy) Common Stock (12,000) $13.81 June 10, 2014 12,000 Acquired
June 10, 2004 MMSI Non-qualified stock options (right to buy) Common Stock (12,000) $13.81 June 10, 2014 12,000 Acquired
June 10, 2004 MMSI Non-qualified stock options (right to buy) Common Stock (15,000) $13.81 June 10, 2004 15,000 Acquired
May 24, 2004 MMSI Nonqualified stock options (right to buy) Common Stock (20,833) $2.12 May 26, 2004 20,833 Disposed
March 30, 2004 MMSI Nonqualified Stock Option (right to buy) Common Stock (25,000) $2.07 March 31, 2004 25,000 Disposed
March 10, 2004 MMSI Nonqualified Stock Options (right to buy) Common Stock (30,556) $2.07 March 31, 2004 30,556 Disposed
Aug. 8, 1988 MMSI Nonqualified Stock Option (right to buy) Common Stock (15,000) $21.67 Dec. 13, 2013 15,000 Acquired
Aug. 8, 1988 MMSI Nonqualified Stock Option (right to buy) Common Stock (28,000) $21.67 Dec. 13, 2013 28,000 Acquired
Aug. 8, 1988 MMSI Nonqualified Stock Option (right to buy) Common Stock (26,667) $10.47 May 22, 2013 26,667 Acquired
Aug. 8, 1988 MMSI Nonqualified Stock Option (right to buy) Common Stock (71,111) $9.74 Feb. 6, 2013 71,111 Acquired
Aug. 8, 1988 MMSI Nonqualified Stock Option (right to buy) Common Stock (17,777) $9.56 May 23, 2012 17,777 Acquired
Aug. 8, 1988 MMSI Nonqualified Stock Option (right to buy) Common Stock (27,777) $7.61 Dec. 8, 2011 88,889 Acquired
Aug. 8, 1988 MMSI Nonqualified Stock Option (right to buy) Common Stock (27,777) $2.85 May 23, 2011 27,777 Acquired
Aug. 8, 1988 MMSI Nonqualified Stock Option (right to buy) Common Stock (111,111) $2.07 Feb. 12, 2011 111,111 Acquired
Aug. 8, 1988 MMSI Nonqualified Stock Option (right to buy) Common Stock (111,111) $1.62 May 24, 2005 111,111 Acquired
Aug. 8, 1988 MMSI Nonqualified Stock Option (right to buy) Common Stock (20,833) $1.62 May 24, 2005 20,833 Acquired
Aug. 8, 1988 MMSI Nonqualified Stock Option (right to buy) Common Stock (20,833) $2.12 May 26, 2004 20,833 Acquired
Aug. 8, 1988 MMSI Nonqualified Stock Options (right to buy) Common Stock (15,000) $21.67 Dec. 13, 2013 15,000 Disposed
Aug. 8, 1988 MMSI Nonqualified Stock Options (right to buy) Common Stock (28,000) $21.67 Dec. 13, 2013 28,000 Disposed
Aug. 8, 1988 MMSI Nonqualified Stock Options (right to buy) Common Stock (26,667) $10.47 May 22, 2013 26,667 Disposed
Aug. 8, 1988 MMSI Nonqualified Stock Options (right to buy) Common Stock (71,111) $9.74 Feb. 6, 2013 71,111 Disposed
Aug. 8, 1988 MMSI Nonqualified Stock Options (right to buy) Common Stock (17,777) $9.56 May 23, 2012 17,777 Disposed
Aug. 8, 1988 MMSI Nonqualified Stock Options (right to buy) Common Stock (88,889) $7.61 Dec. 8, 2011 88,889 Disposed
Aug. 8, 1988 MMSI Nonqualified Stock Options (right to buy) Common Stock (27,777) $2.85 May 23, 2011 27,777 Disposed
Aug. 8, 1988 MMSI Nonqualified Stock Options (right to buy) Common Stock (11,111) $2.07 Feb. 12, 2011 11,111 Disposed
Aug. 8, 1988 MMSI Nonqualified Stock Options (right to buy) Common Stock (11,111) $1.62 May 24, 2005 11,111 Disposed
Aug. 8, 1988 MMSI Nonqualified Stock Options (right to buy) Common Stock (20,833) $1.62 May 24, 2005 20,833 Disposed
Aug. 8, 1988 MMSI Nonqualified Stock Options (right to buy) Common Stock (20,833) $2.12 May 26, 2004 20,833 Disposed
Aug. 8, 1988 MMSI Non-qualified Stock Option (right to buy) Common Stock (55,556) $2.07 March 31, 2004 55,556 Acquired
Aug. 8, 1988 MMSI Non-qualified Stock Option (right to buy) Common Stock (20,833) $2.12 May 26, 2004 20,833 Acquired
Aug. 8, 1988 MMSI Non-qualified Stock Option (right to buy) Common Stock (20,833) $1.62 May 24, 2005 20,833 Acquired
Aug. 8, 1988 MMSI Non-qualified Stock Option (right to buy) Common Stock (11,111) $1.62 May 24, 2005 11,111 Acquired
Aug. 8, 1988 MMSI Non-qualified Stock Option (right to buy) Common Stock (11,111) $2.07 Feb. 12, 2011 11,111 Acquired
Aug. 8, 1988 MMSI Non-qualified Stock Option (right to buy) Common Stock (27,777) $2.85 May 23, 2011 27,777 Acquired

Showing latest 100 of 127 transactions

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

Compensation (DEF 14A)

08

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

Fiscal yearSalaryBonusStock awards Option awardsNon-equity incentivePension changeOtherTotal
2007 $458,000 $50 · $135,769 $200,000 · $50,544 $844,363
2004 · · · · · · · ·
2003 · · · · · · · ·

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