Outset Medical, Inc. (OM) Insider Trading

Over the last 3 months, OM insiders made 0 open-market buys and 4 sales, a net sale of -$134K (SEC Form 4). Over the last 6 months, 67 institutions increased and 53 reduced their position (13F).

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
4
Net (3m)
-$133.9K
Insider trades by month Buys Sells
Dec
Jan
Feb
May
Jun
Aug
Context3-month price -19.2%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Aug 18, 2026Gaeta Reneeofficer: Chief Financial OfficerSell4,543$4.39
Aug 18, 2026Trigg Lesliedirector, officer: Chair and CEOSell3,437$4.39
Aug 18, 2026Brottem John L.officer: General CounselSell2,632$4.39
Jun 29, 2026Brottem John L.officer: General CounselGrant59,830
Jun 29, 2026Trigg Lesliedirector, officer: Chair and CEOGrant99,160
Jun 29, 2026Gaeta Reneeofficer: Chief Financial OfficerGrant71,630
Jun 5, 2026Prange KarendirectorGrant10,667
Jun 5, 2026GROSSMAN D KEITHdirectorGrant10,667
Jun 5, 2026Gaeta Reneeofficer: Chief Financial OfficerSell17,672$4.94
Jun 5, 2026LANG BRENT D.directorGrant10,667
Jun 5, 2026OBOYLE KEVIN CdirectorGrant10,667
Jun 5, 2026HACKETT PATRICK TdirectorGrant10,667
Jun 5, 2026Drexler KarendirectorGrant10,667
May 19, 2026Brottem John L.officer: General CounselSell2,638$3.70
May 19, 2026Nash Marcofficer: EVP Operations R&D & ServiceSell1,582$3.70
May 19, 2026Trigg Lesliedirector, officer: Chair and CEOSell3,445$3.70
Apr 8, 2026Elliott Derick A.officer: EVP, CommercialGrant96,000
Feb 19, 2026Nash Marcofficer: EVP Operations R&D & ServiceSell1,817$3.35
Feb 19, 2026Trigg Lesliedirector, officer: Chair and CEOSell3,361$3.35
Feb 19, 2026Brottem John L.officer: General CounselSell2,842$3.35
Jan 21, 2026Trigg Lesliedirector, officer: Chair and CEOSell11,794$5.12
Jan 21, 2026Brottem John L.officer: General CounselSell1,180$5.01
Jan 21, 2026Nash Marcofficer: EVP Operations R&D & ServiceSell5,375$5.12
Jan 21, 2026Brottem John L.officer: General CounselSell9,314$5.12
Jan 21, 2026Trigg Lesliedirector, officer: Chair and CEOSell2,120$5.05
Jan 21, 2026Nash Marcofficer: EVP Operations R&D & ServiceSell980$4.98
Jan 12, 2026Prange KarendirectorGrant18,667
Jan 8, 2026Nash Marcofficer: EVP Operations R&D & ServiceSell108$4.27
Jan 8, 2026Trigg Lesliedirector, officer: Chair and CEOSell1,795$4.27
Jan 8, 2026Brottem John L.officer: General CounselSell224$4.27

Source: OM SEC Form 4 filings, latest Aug 18, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their OM positions over the last 6 months (SEC Form 13F).

Increased
67
New positions
45
Reduced
53
Sold out
24
Largest moves
InstitutionActionSharesFiled
FMR LLCIncreased2.7MAug 13, 2026
FMR LLCIncreased2.7MMay 15, 2026
BML Capital Management, LLCIncreased2.5MAug 7, 2026
BML CAPITAL MANAGEMENT, LLCIncreased1.9MMay 6, 2026
BLACKROCK, INC.Reduced1.3MMay 13, 2026
AQR CAPITAL MANAGEMENT LLCIncreased999KAug 14, 2026
BANK OF AMERICA CORP /DE/Reduced949KMay 18, 2026
PERCEPTIVE ADVISORS LLCUnchanged833KMay 29, 2026
PERCEPTIVE ADVISORS LLCUnchanged833KAug 14, 2026
AQR CAPITAL MANAGEMENT LLCIncreased808KMay 15, 2026
VANGUARD CAPITAL MANAGEMENT LLCIncreased780KAug 13, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position764KMay 15, 2026
BANK OF AMERICA CORP /DE/Reduced666KAug 14, 2026
PFM HEALTH SCIENCES, LPIncreased595KMay 15, 2026
PFM Health Sciences, LPReduced582KAug 14, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.