Based on data from the past 90 days ending December 12, 2025, Alumis's three largest insider shareholders are TenPercentOwner Capital Management V, Llc Foresite (4.20Mn shares), Director James B. Tananbaum (2.61Mn shares), TenPercentOwner Labs, Llc Foresite (2.61Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Capital Management Company, Lp Ayurmaya | 15,139,707 | 23 May, 2025 | |
| Capital Management V, Llc Foresite | 4,202,670 | 03 Jul, 2024 | |
| Capital Management Vi Llc Foresite | 2,614,215 | 25 Nov, 2025 | |
| Labs, Llc Foresite | 2,614,215 | 25 Nov, 2025 | |
| James B. Tananbaum | 2,614,215 | 25 Nov, 2025 | |
| Srinivas Akkaraju | 1,265,253 | 09 Dec, 2025 | |
| Roy C. Hardiman | Chief Business & Strategy Ofcr | 212,818 | 31 Jul, 2025 |
| Martin Babler | President And CEO And Chairman | 106,454 | 03 Apr, 2025 |
| Mark Christopher Bradley | Chief Development Officer | 68,754 | 31 Jul, 2025 |
| Derrick Richardson | SVP And People And Culture | 42,800 | 31 Jul, 2025 |
| Sara Klein | General Counsel Corp Secy | 33,796 | 01 Jul, 2024 |
| David M Goldstein | Chief Scientific Officer | 32,109 | 31 Jul, 2025 |
| Jorn Drappa | Chief Medical Officer | 28,450 | 31 Jul, 2025 |
| John R. Schroer | Chief Financial Officer | 28,000 | 31 Jul, 2025 |
| Zhengbin Yao | 23,529 | 01 Jul, 2024 | |
| Alan Colowick | 18,404 | 03 Apr, 2025 | |
| Sanam Pangali | Chief Legal Officer | 11,111 | 31 Jul, 2025 |
| Patrick Machado | 7,064 | 23 May, 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 |
|---|---|---|---|---|---|---|---|---|
| 05 Dec, 2025 | Srinivas Akkaraju | Common Stock | A | 64,969 | $8.95 | 1,143,845 | I | P |
| 05 Dec, 2025 | Srinivas Akkaraju | Common Stock | A | 70,028 | $10.01 | 1,213,873 | I | P |
| 05 Dec, 2025 | Srinivas Akkaraju | Common Stock | A | 51,380 | $10.73 | 1,265,253 | I | P |
| 02 Dec, 2025 | Srinivas Akkaraju | Common Stock | A | 96,000 | $7.55 | 912,849 | I | P |
| 03 Dec, 2025 | Srinivas Akkaraju | Common Stock | A | 100,000 | $7.75 | 1,012,849 | I | P |
| 04 Dec, 2025 | Srinivas Akkaraju | Common Stock | A | 66,027 | $8.18 | 1,078,876 | I | P |
| 26 Nov, 2025 | Srinivas Akkaraju | Common Stock | A | 48,537 | $7.64 | 691,797 | I | P |
| 28 Nov, 2025 | Srinivas Akkaraju | Common Stock | A | 38,702 | $7.64 | 730,499 | I | P |
| 01 Dec, 2025 | Srinivas Akkaraju | Common Stock | A | 86,350 | $7.46 | 816,849 | I | P |
| 21 Nov, 2025 | James B. Tananbaum | Common Stock | A | 72,212 | $7.38 | 2,614,215 | I | P |
| 21 Nov, 2025 | Capital Management Vi Llc Foresite | Common Stock | A | 72,212 | $7.38 | 2,614,215 | I | P |
| 21 Nov, 2025 | Labs, Llc Foresite | Common Stock | A | 72,212 | $7.38 | 2,614,215 | I | P |
| 20 Nov, 2025 | Srinivas Akkaraju | Common Stock | A | 125,743 | $7.20 | 643,260 | I | P |
| 17 Nov, 2025 | Srinivas Akkaraju | Common Stock | A | 914 | $5.51 | 277,093 | I | P |
| 17 Nov, 2025 | James B. Tananbaum | Common Stock | A | 50,000 | $5.60 | 2,084,129 | I | P |
| 17 Nov, 2025 | Capital Management Vi Llc Foresite | Common Stock | A | 50,000 | $5.60 | 2,084,129 | I | P |
| 17 Nov, 2025 | Labs, Llc Foresite | Common Stock | A | 50,000 | $5.60 | 2,084,129 | I | P |
| 18 Nov, 2025 | Srinivas Akkaraju | Common Stock | A | 102,652 | $6.05 | 379,745 | I | P |
| 17 Nov, 2025 | James B. Tananbaum | Common Stock | A | 150,000 | $5.59 | 2,234,129 | I | P |
| 17 Nov, 2025 | Capital Management Vi Llc Foresite | Common Stock | A | 150,000 | $5.59 | 2,234,129 | I | P |