Livermore

Outset Medical, Inc.

OM
Exchange
Nasdaq
Industry
Electromedical & Electrotherapeutic Apparatus
SEC CIK
0001484612

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateInsiderTransactionSharesAvg priceValueShares afterHolding changeFiling
Aug 18, 20267:45 PM ETAug 17, 2026Trigg LeslieChair and CEOSSaleCommon Stock−3.44K$4.39−$15.09K194.6K−1.7%SEC
Aug 18, 20266:51 PM ETAug 17, 2026Brottem John L.General CounselSSaleCommon Stock−2.63K$4.39−$11.55K87.48K−2.9%SEC
Aug 18, 20266:46 PM ETAug 17, 2026Gaeta ReneeChief Financial OfficerSSaleCommon Stock−4.54K$4.39−$19.94K180.84K−2.5%SEC
Jun 5, 2026Jun 3, 2026Gaeta ReneeChief Financial OfficerSSaleCommon Stock−17.67K$4.94−$87.3K113.75K−13.4%SEC
May 19, 2026May 15, 2026Trigg LeslieChair and CEOSSaleCommon Stock−3.45K$3.70−$12.75K98.87K−3.4%SEC
May 19, 2026May 15, 2026Nash MarcEVP Operations R&D & ServiceSSaleCommon Stock−1.58K$3.70−$5.85K38.39K−4.0%SEC
May 19, 2026May 15, 2026Brottem John L.General CounselSSaleCommon Stock−2.64K$3.70−$9.76K30.28K−8.0%SEC
Feb 19, 2026Feb 17, 2026Nash MarcEVP Operations R&D & ServiceSSaleCommon Stock−1.82K$3.35−$6.09K39.99K−4.3%SEC
Feb 19, 2026Feb 17, 2026Brottem John L.General CounselSSaleCommon Stock−2.84K$3.35−$9.52K32.94K−7.9%SEC
Feb 19, 2026Feb 17, 2026Trigg LeslieChair and CEOSSaleCommon Stock−3.36K$3.35−$11.26K102.34K−3.2%SEC
Jan 21, 2026Jan 20 – Jan 21, 2026Nash MarcEVP Operations R&D & ServiceSSaleCommon Stock−6.36K$5.0984−$32.4K41.81K−13.2%SEC
Jan 21, 2026Jan 20 – Jan 21, 2026Brottem John L.General CounselSSaleCommon Stock−10.49K$5.1076−$53.6K35.78K−22.7%SEC
Jan 21, 2026Jan 20 – Jan 21, 2026Trigg LeslieChair and CEOSSaleCommon Stock−13.91K$5.1093−$71.09K105.7K−11.6%SEC
Jan 8, 2026Jan 7, 2026Nash MarcEVP Operations R&D & ServiceSSaleCommon Stock−108$4.27−$461.1648.16K−0.2%SEC
Jan 8, 2026Jan 7, 2026Brottem John L.General CounselSSaleCommon Stock−224$4.27−$956.4846.27K−0.5%SEC
Jan 8, 2026Jan 7, 2026Trigg LeslieChair and CEOSSaleCommon Stock−1.8K$4.27−$7.66K119.62K−1.5%SEC
Dec 2, 2025Dec 1, 2025Drexler KarenDirectorSSaleCommon Stock−1.55K$4.37−$6.76K10.65K−12.7%SEC
Nov 18, 2025Nov 17, 2025Trigg LeslieChair and CEOSSaleCommon Stock−916$4.60−$4.21K121.41K−0.7%SEC
Nov 18, 2025Nov 17, 2025Nash MarcEVP Operations R&D & ServiceSSaleCommon Stock−247$4.60−$1.14K48.27K−0.5%SEC
Nov 18, 2025Nov 17, 2025Brottem John L.General CounselSSaleCommon Stock−388$4.60−$1.78K46.5K−0.8%SEC
Aug 18, 2025Aug 15, 2025Trigg LeslieChair and CEOSSaleCommon Stock−904$12.88−$11.64K122.33K−0.7%SEC
Aug 18, 2025Aug 15, 2025Nash MarcSVP Operations and R&DSSaleCommon Stock−243$12.88−$3.13K42.9K−0.6%SEC
Aug 18, 2025Aug 15, 2025Brottem John L.General CounselSSaleCommon Stock−383$12.88−$4.93K46.88K−0.8%SEC
May 16, 2025May 15, 2025Trigg LeslieChair and CEOSSaleCommon Stock−935$17.80−$16.64K58.13K−1.6%SEC
May 16, 2025May 15, 2025Nash MarcSVP Operations and R&DSSaleCommon Stock−252$17.82−$4.49K13.47K−1.8%SEC
May 16, 2025May 15, 2025Brottem John L.General CounselSSaleCommon Stock−396$17.82−$7.06K11.27K−3.4%SEC
May 16, 2025May 15, 2025Ahmed NabeelChief Financial OfficerSSaleCommon Stock−584$17.81−$10.4K16.1K−3.5%SEC
Feb 19, 2025Feb 18, 2025Trigg LeslieChair and CEOSSaleCommon Stock−14.61K$0.90−$13.15K880.97K−1.6%SEC
Feb 19, 2025Feb 18, 2025Nash MarcSVP Operations and R&DSSaleCommon Stock−4.2K$0.90−$3.78K200.76K−2.1%SEC
Feb 19, 2025Feb 18, 2025Brottem John L.General CounselSSaleCommon Stock−6.15K$0.90−$5.53K175.04K−3.4%SEC
Feb 19, 2025Feb 18, 2025Ahmed NabeelChief Financial OfficerSSaleCommon Stock−8.66K$0.90−$7.79K250.21K−3.3%SEC
Jan 22, 2025Jan 21, 2025Trigg LeslieChair and CEOSSaleCommon Stock−65.24K$0.80−$52.19K895.58K−6.8%SEC
Jan 22, 2025Jan 21, 2025Nash MarcSVP Operations and R&DSSaleCommon Stock−23.22K$0.80−$18.58K204.97K−10.2%SEC
Jan 22, 2025Jan 21, 2025Brottem John L.General CounselSSaleCommon Stock−32.93K$0.80−$26.34K181.19K−15.4%SEC
Jan 22, 2025Jan 21, 2025Ahmed NabeelChief Financial OfficerSSaleCommon Stock−34.29K$0.80−$27.43K258.87K−11.7%SEC
Jan 13, 2025Jan 13, 2025Trigg LeslieChair and CEOSSaleCommon Stock−33.23K$0.81−$26.91K861.4K−3.7%SEC
Jan 13, 2025Jan 13, 2025Nash MarcSVP Operations and R&DSSaleCommon Stock−15.01K$0.81−$12.16K222.29K−6.3%SEC
Jan 13, 2025Jan 13, 2025Brottem John L.General CounselSSaleCommon Stock−20.49K$0.81−$16.6K205.03K−9.1%SEC
Jan 13, 2025Jan 13, 2025Ahmed NabeelChief Financial OfficerSSaleCommon Stock−29.03K$0.81−$23.52K279.9K−9.4%SEC
Jan 7, 2025Jan 7, 2025Trigg LeslieChair and CEOSSaleCommon Stock−10.23K$1.29−$13.19K894.62K−1.1%SEC
Jan 7, 2025Jan 7, 2025Nash MarcSVP Operations and R&DSSaleCommon Stock−720$1.29−$928.8237.3K−0.3%SEC
Jan 7, 2025Jan 7, 2025Brottem John L.General CounselSSaleCommon Stock−1.57K$1.29−$2.03K225.52K−0.7%SEC
Jan 7, 2025Jan 7, 2025Ahmed NabeelChief Financial OfficerSSaleCommon Stock−1.84K$1.29−$2.37K308.93K−0.6%SEC
Nov 18, 2024Nov 15, 2024Trigg LeslieChair and CEOSSaleCommon Stock−5.65K$0.80−$4.52K904.85K−0.6%SEC
Nov 18, 2024Nov 15, 2024Nash MarcSVP Operations and R&DSSaleCommon Stock−1.38K$0.80−$1.1K238.02K−0.6%SEC
Nov 18, 2024Nov 15, 2024Brottem John L.General CounselSSaleCommon Stock−3.2K$0.80−$2.56K227.09K−1.4%SEC
Nov 18, 2024Nov 15, 2024Ahmed NabeelChief Financial OfficerSSaleCommon Stock−4.22K$0.80−$3.38K310.77K−1.3%SEC
Aug 15, 2024Aug 15, 2024Trigg LeslieChair and CEOSSaleCommon Stock−5.31K$0.84−$4.46K910.5K−0.6%SEC
Aug 15, 2024Aug 15, 2024Nash MarcSVP Operations and R&DSSaleCommon Stock−1.29K$0.84−$1.09K239.4K−0.5%SEC
Aug 15, 2024Aug 15, 2024Brottem John L.General CounselSSaleCommon Stock−3.01K$0.84−$2.53K230.3K−1.3%SEC