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Outset Medical, Inc. (OM)

Outset Medical, Inc. (OM) Insider Trading

Directors, officers and holders of more than 10% of OM report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 113 transactions on file: 2 with code P, 26 with code S and 22 with other codes.

DateInsiderCodeShares
Oct 2, 2026Leonard Braden MichaelP Purchase16,575
Oct 1, 2026Leonard Braden MichaelP Purchase228,334
Aug 17, 2026Gaeta ReneeS Sale4,543
Aug 17, 2026Trigg LeslieS Sale3,437
Aug 17, 2026Brottem John L.S Sale2,632
Jun 26, 2026Gaeta ReneeA Award71,630
Jun 26, 2026Brottem John L.A Award59,830
Jun 26, 2026Trigg LeslieA Award99,160
Jun 4, 2026Prange KarenA Award10,667
Jun 4, 2026OBOYLE KEVIN CA Award10,667
Jun 4, 2026Drexler KarenA Award10,667
Jun 4, 2026HACKETT PATRICK TA Award10,667
Jun 4, 2026LANG BRENT D.A Award10,667
Jun 4, 2026GROSSMAN D KEITHA Award10,667
Jun 3, 2026Gaeta ReneeS Sale17,672
May 15, 2026Nash MarcS Sale1,582
May 15, 2026Leonard Braden MichaelX In-the-Money323,000
May 15, 2026Trigg LeslieS Sale3,445
May 15, 2026Brottem John L.S Sale2,638
May 11, 2026Leonard Braden MichaelX In-the-Money96,900
May 8, 2026Leonard Braden MichaelX In-the-Money197,600
Apr 6, 2026Elliott Derick A.A Award96,000
Feb 17, 2026Trigg LeslieS Sale3,361
Feb 17, 2026Brottem John L.S Sale2,842
Feb 17, 2026Nash MarcS Sale1,817
Jan 21, 2026Nash MarcS Sale980
Jan 21, 2026Trigg LeslieS Sale2,120
Jan 21, 2026Brottem John L.S Sale1,180
Jan 20, 2026Nash MarcS Sale5,375
Jan 20, 2026Brottem John L.S Sale9,314
Jan 20, 2026Trigg LeslieS Sale11,794
Jan 9, 2026Prange KarenA Award18,667
Jan 7, 2026Trigg LeslieS Sale1,795
Jan 7, 2026Nash MarcS Sale108
Jan 7, 2026Brottem John L.S Sale224
Dec 1, 2025Drexler KarenS Sale1,548
Nov 17, 2025Brottem John L.S Sale388
Nov 17, 2025Trigg LeslieS Sale916
Nov 17, 2025Nash MarcS Sale247
Aug 25, 2025Nash MarcA Award5,617
Aug 15, 2025Nash MarcS Sale243
Aug 15, 2025Brottem John L.S Sale383
Aug 15, 2025Trigg LeslieS Sale904
Jun 10, 2025Trigg LeslieA Award65,103
Jun 10, 2025Nash MarcA Award29,676
Jun 10, 2025Gaeta ReneeA Award131,425
Jun 10, 2025Brottem John L.A Award35,993
Jun 2, 2025Saia Andrea LynnA Award8,983
Jun 2, 2025LANG BRENT D.A Award8,983
Jun 2, 2025Drexler KarenA Award8,983

The full Form 4 history is on the OM company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.