Updated Jul 16, 2026 · Last SEC filing 2026-06-29
Outset Medical, Inc. (OM) has filed 15 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-29. 4 Form 8-K material event filings were reported by OM in the last 90 days. 4 Form 144 notices of proposed sale were filed for OM stock. InsiderAlpha tracks every OM SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001484612 |
|---|
| Form 4 filings (90d) | 15 |
|---|---|
| Form 8-K filings (90d) | 4 |
| Form 144 notices (90d) | 4 |
| Latest Form 4 filing | 2026-06-29 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Trigg Leslie | Chair and CEO | A — Grant or award | 99.2K | $0.00 | — | SEC | |
| Brottem John L. | General Counsel | A — Grant or award | 59.8K | $0.00 | — | SEC | |
| Gaeta Renee | Chief Financial Officer | A — Grant or award | 71.6K | $0.00 | — | SEC | |
| GROSSMAN D KEITH | Director | A — Grant or award | 10.7K | $0.00 | — | SEC | |
| HACKETT PATRICK T | Director | A — Grant or award | 10.7K | $0.00 | — | SEC | |
| OBOYLE KEVIN C | Director | A — Grant or award | 10.7K | $0.00 | — | SEC | |
| Drexler Karen | Director | A — Grant or award | 10.7K | $0.00 | — | SEC | |
| LANG BRENT D. | Director | A — Grant or award | 10.7K | $0.00 | — | SEC | |
| Prange Karen | Director | A — Grant or award | 10.7K | $0.00 | — | SEC | |
| Gaeta Renee | Chief Financial Officer | S — Open-market sale | 17.7K | $4.94 | $87K | SEC | |
| Brottem John L. | General Counsel | S — Open-market sale | 2.6K | $3.70 | $10K | SEC | |
| Trigg Leslie | Chair and CEO | S — Open-market sale | 3.4K | $3.70 | $13K | SEC | |
| Leonard Braden Michael | Insider | J — Other acquisition / disposition | 323.0K | $5.00 | $1.61M | SEC | |
| Nash Marc | EVP Operations R&D & Service | S — Open-market sale | 1.6K | $3.70 | $6K | SEC | |
| Leonard Braden Michael | Insider | J — Other acquisition / disposition | 96.9K | $5.00 | $484K | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Outset Medical, Inc. (OM). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Leonard Braden Michael | 3 | $3.09M |
| Trigg Leslie | 2 | $13K |
| Gaeta Renee | 2 | $87K |
| Brottem John L. | 2 | $10K |
| Nash Marc | 1 | $6K |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in OM insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
Open the live OM dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.