Form 4 for IDYA IDEAYA Biosciences, Inc.
Accepted 2026-07-09 16:56:53 ET · period of report 2026-07-07 · accession 0001610717-26-000336 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-07-09 16:56 | 2026-07-07 | IDYA | Ruiz Briseno Andres | CAO | M - OptEx | $12.86 | +9,550 | 36.0K | +36% | +$122.8K |
| DT | 2026-07-09 16:56 | 2026-07-07 | IDYA | Ruiz Briseno Andres | CAO | S - Sale+OE | $40.01 | -9,550 | 26.5K | -27% | -$382.1K |
| DT | 2026-07-09 16:56 | 2026-07-07 | IDYA | Ruiz Briseno Andres | CAO | M - OptEx | $0.00 | -9,550 | 19.2K | -33% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-07-07 | M | A | 9,550 | $12.86 | 36,016 | D | — | — | |
| 2 | Common | Common Stock | 2026-07-07 | S | D | 9,550 | $40.01 | 26,466 | D | — | — | (F1) The transaction reported herein was effected pursuant to the Reporting Person's Rule 10b5-1 trading plan, adopted on December 19, 2025. (F2) This transaction was executed in multiple trades in prices ranging from $40.00 to $40.10, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote. |
| 3 | Derivative | Stock Option (Right to Buy) | 2026-07-07 | M | D | 9,550 | $0.00 | 19,200 | D | $12.86 · — to 2032-03-01 | 9,550 Common Stock | (F3) 100% of the shares subject to the option is fully vested and exercisable. |