SEC CIK 1708144

Gunderson Thomas J.

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
MMSIview stock →60,7412026-05-20

Position History — MMSI

Reported shares owned immediately after each Form 4 transaction, over time.

020,24740,49460,7412021-062023-052024-032025-022025-052026-052026-05

Recent Filings — MMSI

DateActivitySharesPriceOwned After
2026-05-20Option exercise (derivative)13,750$0.000
2026-05-20Option exercise7,500$52.1760,741
2026-05-20Option exercise13,750$52.1753,241
2026-05-18Grant / award3,457$0.0039,491
2025-05-15Grant / award2,152$0.0036,034
2025-02-28Option exercise (derivative)25,000$0.000
2025-02-28Tax withholding12,806$99.9533,882
2025-02-28Option exercise25,000$50.5046,688
2024-05-16Grant / award2,431$0.0021,688
2024-03-04Option exercise (derivative)25,000$0.000
2024-03-04Option exercise25,000$34.4037,414
2024-03-04Open-market sale18,157$76.0319,257
2023-05-18Grant / award2,262$0.0012,414
2022-05-24Grant / award3,050$0.0010,152
2021-06-17Grant / award2,914$0.007,102
2020-06-22Grant / award (derivative)4,188$0.004,188
2019-05-31Grant / award (derivative)7,500$0.007,500
2019-05-24Grant / award (derivative)13,750$0.0013,750
2018-06-07Grant / award (derivative)25,000$0.0025,000

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.