Foresite Labs Affiliates 2021, LLC insider trades
Foresite Labs Affiliates 2021, LLC has filed 5 Form 4s with the SEC that we hold, all for Alumis INC. (ALMS), as 10% owner. Across all of them we count 9 purchases worth $43.8M and 0 sales worth $0 reported on Form 4. In the last 12 months: 5 purchases ($3.6M) and 0 sales ($0). The largest single trade was a purchase of 2,187,500 shares of Alumis INC. worth $35.0M, dated 2024-07-01. The first filing on our record is dated 2024-07-03 and the latest 2026-04-03.
Alumis INC. (ALMS)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2024-07-01 | P, purchase reported on Form 4 | 2,187,500 | $35.0M | 2024-07-03 |
| 2024-07-01 | P, purchase reported on Form 4 | 312,500 | $5.0M | 2024-07-03 |
| 2025-05-02 | P, purchase reported on Form 4 | 25,000 | $115.5K | 2025-05-06 |
| 2025-05-06 | P, purchase reported on Form 4 | 20,000 | $86.8K | 2025-05-06 |
| 2025-11-17 | P, purchase reported on Form 4 | 50,000 | $280.0K | 2025-11-19 |
| 2025-11-17 | P, purchase reported on Form 4 | 150,000 | $838.5K | 2025-11-19 |
| 2025-11-18 | P, purchase reported on Form 4 | 117,374 | $726.5K | 2025-11-19 |
| 2025-11-19 | P, purchase reported on Form 4 | 190,500 | $1.2M | 2025-11-19 |
| 2025-11-21 | P, purchase reported on Form 4 | 72,212 | $532.9K | 2025-11-25 |
Counted from the Form 4 filings this reporting owner (SEC CIK 2028005) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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