Gilead Sciences, INC. insider trades
Gilead Sciences, INC. has filed 14 Form 4s with the SEC that we hold, for Xilio Therapeutics, Inc. (XLO) (10% owner), Assembly Biosciences, INC. (ASMB) (10% owner), Arcus Biosciences, Inc. (RCUS) (10% owner) and Kalaris Therapeutics, Inc. (ALVR) (10% owner), among 5 companies in all. Across all of them we count 10 purchases worth $407.8M and 0 sales worth $0 reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a purchase of 15,238,095 shares of Arcus Biosciences, Inc. worth $320.0M, dated 2024-01-29. The first filing on our record is dated 2023-06-28 and the latest 2026-05-27.
Xilio Therapeutics, Inc. (XLO)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2024-04-02 | P, purchase reported on Form 4 | 485,250 | $368.8K | 2024-04-03 |
| 2024-12-18 | P, purchase reported on Form 4 | 1,759,978 | $1.8M | 2024-12-19 |
Assembly Biosciences, INC. (ASMB)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2024-06-17 | P, purchase reported on Form 4 | 179,500 | - | 2024-06-20 |
| 2024-12-19 | P, purchase reported on Form 4 | 940,499 | $20.1M | 2024-12-23 |
| 2025-08-08 | P, purchase reported on Form 4 | 2,295,920 | - | 2025-10-03 |
Arcus Biosciences, Inc. (RCUS)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2023-06-28 | P, purchase reported on Form 4 | 1,010,000 | $19.5M | 2023-06-30 |
| 2024-01-29 | P, purchase reported on Form 4 | 15,238,095 | $320.0M | 2024-01-31 |
| 2025-02-18 | P, purchase reported on Form 4 | 1,363,636 | $15.0M | 2025-02-20 |
Kalaris Therapeutics, Inc. (ALVR)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2023-06-27 | P, purchase reported on Form 4 | 2,930,870 | $11.0M | 2023-06-28 |
Kyverna Therapeutics, Inc. (KYTX)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2024-02-12 | P, purchase reported on Form 4 | 910,000 | $20.0M | 2024-02-13 |
Counted from the Form 4 filings this reporting owner (SEC CIK 882095) 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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