MMSI Stock: Insider Activity, Filings & Research

Merit Medical Systems, Inc. (MMSI)Drillr’s hub for MMSI insider activity, SEC filings, earnings signals and AI research. Over the trailing 3 months, MMSI insiders filed 5 open-market buys and 1 sale (SEC Form 4).

MMSI insider trading activity (SEC Form 4)

Sentiment
67/100
Buys (3m)
5
Sells (3m)
1
Net (3m)
$260.3K
Insiders buyingCluster buying
Insider trades by month Buys Sells
May
Jun
Aug
Nov
Jan
May
Context3-month price -18.2%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
May 21, 2026Gunderson Thomas J.directorOption13,750$52.17
May 21, 2026Gunderson Thomas J.directorOption7,500$52.17
May 19, 2026Ward Lynne N.directorGrant3,457
May 19, 2026Perez Silvia M.directorGrant3,457
May 19, 2026Ward Scott R.directorGrant3,457
May 19, 2026Gunderson Thomas J.directorGrant3,457
May 19, 2026Kaiser Laura S.directorGrant3,457
May 19, 2026Evans Stephen C.directorGrant3,457
May 19, 2026Carpenter Lonny J.directorGrant3,457
May 19, 2026Millner F. Ann Ed.D.directorGrant3,457
May 19, 2026McDonnell Michael R.directorGrant3,457
May 13, 2026Smith Christian Adamofficer: Chief Commercial OfficerBuy1,626$61.00
May 11, 2026Lloyd Brian G.officer: CHIEF LEGAL OFFICER, SECRETARYBuy2,000$62.63
May 11, 2026Ward Lynne N.directorSell5,000$62.61
May 7, 2026Aronson Martha Goldbergdirector, officer: President and CEOBuy2,000$60.44

Source: MMSI SEC Form 4 filings, latest May 21, 2026. For informational purposes only — not investment advice.

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