🕵️ Penumbra Inc ($PEN)
SEC insider & ownership activity, last 12 months · CIK 1321732 · every row links its SEC filing
Over the last 12 months insiders sold $27.4M with no open-market buying against it. Elsesser Adam sold $12.1M through a 10b5-1 trading plan in 13 lots (Aug–Sep). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 6 sellers, $27.4M (75 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Elsesser Adam | 0 | – | 13 | $12.1M | Sep 3, 2025 |
| Arani Bose | 0 | – | 12 | $12.1M | Dec 11, 2025 |
| Johanna Roberts | 0 | – | 39 | $1.4M | Dec 5, 2025 |
| Yuen Maggie | 0 | – | 2 | $1.3M | Mar 2, 2026 |
| Grewal Harpreet | 0 | – | 6 | $259K | Apr 2, 2026 |
| Thomas Wilder | 0 | – | 3 | $194K | Jan 2, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Vanguard Capital Management | 5.1% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Grewal Harpreet | $33K | Apr 2, 2026 | filing ↗ |
| Maggie Yuen | $832K | Mar 2, 2026 | filing ↗ |
| Grewal Harpreet | $58K | Jan 6, 2026 | filing ↗ |
| Thomas Wilder | $58K | Jan 2, 2026 | filing ↗ |
| Grewal Harpreet | $29K | Dec 2, 2025 | filing ↗ |
| Johanna Roberts | $626K | Nov 25, 2025 | filing ↗ |
| Arani Bose | $8.4M | Nov 21, 2025 | filing ↗ |
| Grewal Harpreet | $42K | Nov 4, 2025 | filing ↗ |
| Grewal Harpreet | $46K | Oct 2, 2025 | filing ↗ |
| Johanna Roberts | $456K | Oct 1, 2025 | filing ↗ |
| Thomas Wilder | $47K | Oct 1, 2025 | filing ↗ |
| Adam Elsesser | $4.3M | Sep 3, 2025 | filing ↗ |
| Grewal Harpreet | $51K | Sep 2, 2025 | filing ↗ |
| Adam Elsesser | $4.0M | Aug 20, 2025 | filing ↗ |
| Arani Bose | $3.0M | Aug 13, 2025 | filing ↗ |
| Maggie Yuen | $500K | Aug 13, 2025 | filing ↗ |
| Thomas Wilder III | $89K | Aug 12, 2025 | filing ↗ |
| Adam Elsesser | $3.8M | Aug 6, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Shareholder vote (5.07) | Jun 18, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 6, 2026 | filing ↗ |
| Earnings (2.02) | May 6, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 6, 2026 | filing ↗ |
| Earnings (2.02) | Feb 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 25, 2026 | filing ↗ |
| Material agreement (1.01) | Jan 14, 2026 | filing ↗ |
| Earnings (2.02) | Jan 14, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 14, 2026 | filing ↗ |
| Earnings (2.02) | Nov 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 5, 2025 | filing ↗ |
| Officer/director changes (5.02) | Aug 22, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 22, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 22, 2025 | filing ↗ |