Based on data from the past 90 days ending January 10, 2026, Nautilus Biotechnology's three largest insider shareholders are Chief Scientist Parag Mallick (20.49Mn shares), Ceo And President And And Secretary Sujal M Patel (10.34Mn shares), Other Advisors Llc Perceptive (9.61Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Parag Mallick | Chief Scientist | 20,493,392 | 12 May, 2025 |
| Sujal M Patel | Ceo And President And And Secretary | 10,341,721 | 09 Sep, 2025 |
| Advisors Llc Perceptive | 9,608,189 | 11 Jun, 2021 | |
| Michael Seth Altman | 499,000 | 11 Jun, 2021 | |
| Matthew S Mcilwain | 459,075 | 17 Nov, 2021 | |
| Subramanian Sankar | Senior Vp And Product Development | 91,250 | 28 Sep, 2022 |
| Anna Mowry | Cfo And Treasurer | 83,000 | 02 Jun, 2025 |
| Matthew B. Murphy | General Counsel | 74,140 | 05 Sep, 2025 |
| Matthew L. Posard | 50,000 | 01 Dec, 2021 | |
| Gwen E Weld | Chief People Officer | 30,000 | 26 Sep, 2022 |
| Kentaro Suzuki | Chief Marketing Officer | 4,000 | 10 Nov, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 06 Nov, 2025 | Kentaro Suzuki | Common Stock | A | 4,000 | $1.49 | 4,000 | D | P |
| 08 Sep, 2025 | Sujal M Patel | - | - | 10,341,721 | D | |||
| 08 Sep, 2025 | Sujal M Patel | Common Stock | A | 83,500 | $0.68 | 10,341,721 | D | P |
| 05 Sep, 2025 | Sujal M Patel | Common Stock | A | 116,500 | $0.67 | 10,258,221 | D | P |
| 05 Sep, 2025 | Sujal M Patel | - | - | 10,258,221 | D | |||
| 04 Sep, 2025 | Matthew B. Murphy | Common Stock | A | 20,000 | $0.64 | 74,140 | I | P |
| 04 Sep, 2025 | Matthew B. Murphy | - | - | 74,140 | I | |||
| 29 May, 2025 | Anna Mowry | - | - | 83,000 | D | |||
| 29 May, 2025 | Anna Mowry | Common Stock | A | 15,000 | $0.77 | 83,000 | D | P |
| 12 May, 2025 | Parag Mallick | Common Stock | A | 1,500 | $0.73 | 20,493,392 | D | P |
| 12 May, 2025 | Parag Mallick | - | - | 20,493,392 | D | |||
| 08 May, 2025 | Parag Mallick | Common Stock | A | 12,000 | $0.73 | 20,491,892 | D | P |
| 08 May, 2025 | Parag Mallick | - | - | 20,491,892 | D | |||
| 20 Mar, 2025 | Sujal M Patel | - | - | 10,141,721 | D | |||
| 20 Mar, 2025 | Sujal M Patel | Common Stock | A | 23,933 | $1.00 | 10,141,721 | D | P |
| 19 Mar, 2025 | Sujal M Patel | - | - | 10,117,788 | D | |||
| 19 Mar, 2025 | Sujal M Patel | Common Stock | A | 53,300 | $0.99 | 10,117,788 | D | P |
| 23 Sep, 2024 | Mary E. Godwin | Common Stock | A | 47,031 | $0.46 | 47,031 | D | M |
| 23 Sep, 2024 | Mary E. Godwin | Common Stock | D | 47,031 | $2.86 | 0 | D | S |
| 17 Sep, 2024 | Mary E. Godwin | Common Stock | A | 35,000 | $0.46 | 35,000 | D | M |