OM · Insider trading · 13F holders · Congress trades
Outset Medical, Inc. (OM)
Who is buying and selling OM: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 4
- Insider buys, 90 days
- $870K
- Insider sales, 90 days
- $47K
- Congress trades, 12 months
- 0
OM at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 4 OM insiders filed 1 open-market purchase worth $870K and 3 sales worth $47K on SEC Form 4.
- 4 13F filers hold OM among their 50 largest positions, worth $11.9M combined. The biggest bets by portfolio weight are BML Capital Management, LLC (6.2%), Pura Vida Investments, LLC (1.0%) and Clayton Partners LLC (0.1%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in OM.
- OM last closed at $4.19 on Oct 29, 2026.
OM insider trading
Between Aug 1, 2026 and Oct 29, 2026, 4 OM insiders filed 1 open-market purchase worth $870K and 3 sales worth $47K on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Oct 5, 2026 | Leonard Braden Michael | 10% Owner | Buy | 244,909 | $3.55 | $870K | SEC |
| Aug 18, 2026 | Gaeta Renee | Chief Financial Officer | Sale | 4,543 | $4.39 | $20K | SEC |
| Aug 18, 2026 | Trigg Leslie | Chair and CEO, Director | Sale | 3,437 | $4.39 | $15K | SEC |
| Aug 18, 2026 | Brottem John L. | General Counsel | Sale | 2,632 | $4.39 | $12K | SEC |
Who owns OM? Hedge funds and superinvestors
4 13F filers hold OM among their 50 largest positions, worth $11.9M combined. The biggest bets by portfolio weight are BML Capital Management, LLC (6.2%), Pura Vida Investments, LLC (1.0%) and Clayton Partners LLC (0.1%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| BML Capital Management, LLCHedge fund | 6.2% | $10.9M | 2,519,701 | +32.5% shares | Q2 2026 |
| Catalio Capital Management, LPHedge fund | 0.1% | $511K | 118,279 | +0.0% shares | Q2 2026 |
| Pura Vida Investments, LLCHedge fund | 1.0% | $360K | 83,333 | +0.0% shares | Q2 2026 |
| Clayton Partners LLCWealth manager | 0.1% | $162K | 37,527 | New | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 4). Screen OM in the grand portfolio →
OM stock trades by members of Congress
No member of Congress has disclosed a trade in OM.
Analysis mentioning OM
Posts from the blog that cover Outset Medical, Inc., newest first.
OM questions and answers
Are insiders buying OM stock?
Between Aug 1, 2026 and Oct 29, 2026, 4 OM insiders filed 1 open-market purchase worth $870K and 3 sales worth $47K on SEC Form 4.
Which hedge funds own OM?
4 13F filers hold OM among their 50 largest positions, worth $11.9M combined. The biggest bets by portfolio weight are BML Capital Management, LLC (6.2%), Pura Vida Investments, LLC (1.0%) and Clayton Partners LLC (0.1%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
Has Congress traded OM?
No member of Congress has disclosed a trade in OM.
Who is the largest holder of OM?
Among 13F filers, BML Capital Management, LLC reports the largest OM position, $10.9M (2,519,701 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is BML Capital Management, LLC's: 6.2% of its portfolio.
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