NAUT · Insider Trading
Nautilus Biotechnolgy, Inc. Common Stock
Every open-market purchase and sale reported by NAUT officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-22 | Matthew S McIlwain | Director | A | +45,000 deriv. | — |
| 2026-06-22 | Farzad Nazem | Director | A | +45,000 deriv. | — |
| 2026-06-22 | Matthew L. Posard | Director | A | +45,000 deriv. | — |
| 2026-06-22 | Karen Akinsanya | Director | A | +45,000 deriv. | — |
| 2026-06-22 | Epperly Melissa B, | Director | A | +45,000 deriv. | — |
| 2026-06-04 | AH Equity Partners LSV II, L.L.C. | 10%+ Owner | Sell | −30,000,000 | −$70.50M |
| 2026-03-04 | Gwen E Weld | Chief People Officer | A | +160,000 deriv. | — |
| 2026-03-04 | Kentaro Suzuki | Chief Marketing Officer | A | +160,000 deriv. | — |
| 2026-03-04 | Subramanian Sankar | Senior VP, Product Development | A | +160,000 deriv. | — |
| 2026-03-04 | Sujal M Patel | CEO, President, and Secretary | A | +650,000 deriv. | — |
| 2026-03-04 | Parag Mallick | Chief Scientist | A | +280,000 deriv. | — |
| 2026-03-04 | Anna Mowry | CFO and Treasurer | A | +160,000 deriv. | — |
| 2026-03-04 | Matthew B. Murphy | General Counsel | A | +160,000 deriv. | — |
| 2026-03-04 | Sujal M Patel | CEO, President, and Secretary | Buy | +25,000 | +$65.24K |
| 2025-11-10 | Kentaro Suzuki | Chief Marketing Officer | Buy | +4,000 | +$5.96K |
| 2025-09-09 | Sujal M Patel | CEO, President, and Secretary | Buy | +200,000 | +$135.57K |
| 2025-09-05 | Matthew B. Murphy | General Counsel | Buy | +20,000 | +$12.86K |
| 2025-06-25 | Epperly Melissa B, | Director | A | +45,000 deriv. | — |
| 2025-06-25 | Matthew L. Posard | Director | A | +45,000 deriv. | — |
| 2025-06-25 | Matthew S McIlwain | Director | A | +45,000 deriv. | — |
| 2025-06-25 | Karen Akinsanya | Director | A | +45,000 deriv. | — |
| 2025-06-25 | Farzad Nazem | Director | A | +45,000 deriv. | — |
| 2025-06-02 | Anna Mowry | CFO and Treasurer | Buy | +15,000 | +$11.49K |
| 2025-05-12 | Parag Mallick | Chief Scientist | Buy | +13,500 | +$9.89K |
| 2025-03-21 | Sujal M Patel | CEO, President, and Secretary | Buy | +77,233 | +$76.92K |
| 2025-03-04 | Subramanian Sankar | Senior VP, Product Development | A | +160,000 deriv. | — |
| 2025-03-04 | Gwen E Weld | Chief People Officer | A | +160,000 deriv. | — |
| 2025-03-04 | Sujal M Patel | CEO, President, and Secretary | A | +650,000 deriv. | — |
| 2025-03-04 | Kentaro Suzuki | Chief Marketing Officer | A | +50,000 deriv. | — |
| 2025-03-04 | Nicholas A. Nelson | CBO & Senior VP, Bus. Dev. | A | +160,000 deriv. | — |
| 2025-03-04 | Parag Mallick | Chief Scientist | A | +280,000 deriv. | — |
| 2025-03-04 | Anna Mowry | CFO and Treasurer | A | +160,000 deriv. | — |
| 2025-03-04 | Matthew B. Murphy | General Counsel | A | +160,000 deriv. | — |
| 2024-09-25 | Mary E. Godwin | Senior VP, Operations | MIXED | — | −$113.11K |
| 2024-09-18 | Mary E. Godwin | Senior VP, Operations | MIXED | — | −$83.77K |
| 2024-09-17 | Kentaro Suzuki | Chief Marketing Officer | A | +375,000 deriv. | — |
| 2024-06-17 | Matthew L. Posard | Director | A | +45,000 deriv. | — |
| 2024-06-17 | Epperly Melissa B, | Director | A | +45,000 deriv. | — |
| 2024-06-17 | Vijay Satyanand Pande | Director | A | +45,000 deriv. | — |
| 2024-06-17 | Matthew S McIlwain | Director | A | +45,000 deriv. | — |
| 2024-06-17 | Michael Seth Altman | Director | A | +45,000 deriv. | — |
| 2024-06-17 | Karen Akinsanya | Director | A | +45,000 deriv. | — |
| 2024-06-17 | PERCEPTIVE ADVISORS LLC | Director | A | +135,000 deriv. | — |
| 2024-06-17 | Farzad Nazem | Director | A | +45,000 deriv. | — |
| 2024-03-11 | Sujal M Patel | CEO, President, and Secretary | Buy | +14,474 | +$41.48K |
| 2024-03-07 | Sujal M Patel | CEO, President, and Secretary | Buy | +35,526 | +$99.05K |
| 2024-03-05 | Sujal M Patel | CEO, President, and Secretary | A | +650,000 deriv. | — |
| 2024-03-05 | Anna Mowry | CFO and Treasurer | A | +160,000 deriv. | — |
| 2024-03-05 | Gwen E Weld | Chief People Officer | A | +160,000 deriv. | — |
| 2024-03-05 | Subramanian Sankar | Senior VP, Product Development | A | +160,000 deriv. | — |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| Parag Mallick | Chief Scientist | 20,493,392 | $50.00M |
| Sujal M Patel | CEO, President, and Secretary | 15,647,197 | $38.18M |
| AH Equity Partners LSV II, L.L.C. | 10%+ Owner | 11,682,032 | $28.50M |
| Matthew S McIlwain | Director | 681,451 | $1.66M |
| Matthew L. Posard | Director | 130,000 | $317.20K |
| Subramanian Sankar | Senior VP, Product Development | 91,250 | $222.65K |
| Anna Mowry | CFO and Treasurer | 83,000 | $202.52K |
| Matthew B. Murphy | General Counsel | 75,390 | $183.95K |
| Gwen E Weld | Chief People Officer | 30,000 | $73.20K |
| Kentaro Suzuki | Chief Marketing Officer | 4,000 | $9.76K |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the NAUT quote page; the site-wide leaderboard is on the insider transactions hub.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.