IDEAYA Biosciences, Inc. (IDYA)
IDEAYA Biosciences, Inc. (IDYA) Insider Trading
Directors, officers and holders of more than 10% of IDYA report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.
Recent Form 4 transactions
The 40 most recent of 40 transactions on file: 1 with code P, 3 with code S and 36 with other codes.
| Date | Insider | Title | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 6, 2026 | Hata Yujiro S | President and CEO | S Sale | 25,538 | $37.39 | $954,787 |
| Oct 6, 2026 | Hata Yujiro S | President and CEO | M Exercise | 26,338 | Not measured | Not measured |
| Oct 6, 2026 | Hata Yujiro S | President and CEO | S Sale | 800 | $38.26 | $30,610 |
| Oct 6, 2026 | Hata Yujiro S | President and CEO | M Exercise | 26,338 | $4.31 | $113,517 |
| Jul 7, 2026 | Ruiz Briseno Andres | Chief Accounting Officer | M Exercise | 9,550 | $12.86 | $122,813 |
| Jul 7, 2026 | Ruiz Briseno Andres | Chief Accounting Officer | M Exercise | 9,550 | Not measured | Not measured |
| Jul 7, 2026 | Ruiz Briseno Andres | Chief Accounting Officer | S Sale | 9,550 | $40.01 | $382,131 |
| Jun 16, 2026 | Hampton Malcolm Garret | Director | A Award | 20,000 | Not measured | Not measured |
| Jun 16, 2026 | YARNO WENDY L | Director | A Award | 20,000 | Not measured | Not measured |
| Jun 16, 2026 | MACKEY CATHERINE J | Director | A Award | 20,000 | Not measured | Not measured |
| Jun 16, 2026 | Morrison Scott W | Director | A Award | 20,000 | Not measured | Not measured |
| Jun 16, 2026 | ROSEN TERRY J | Director | A Award | 20,000 | Not measured | Not measured |
| Jun 16, 2026 | Stein Jeffrey | Director | A Award | 20,000 | Not measured | Not measured |
| Mar 2, 2026 | Stein Jeffrey | Director | P Purchase | 50,000 | $32.96 | $1,647,890 |
| Jan 30, 2026 | Snyder Douglas B. | SVP, General Counsel | A Award | 130,000 | Not measured | Not measured |
| Jan 30, 2026 | Bleharski Joshua | Chief Financial Officer | A Award | 170,000 | Not measured | Not measured |
| Jan 30, 2026 | Beaupre Darrin | Chief Medical Officer | A Award | 175,000 | Not measured | Not measured |
| Jan 30, 2026 | DORMAN STUART | Chief Commercial Officer | A Award | 155,000 | Not measured | Not measured |
| Jan 30, 2026 | Hata Yujiro S | President and CEO | A Award | 600,000 | Not measured | Not measured |
| Jan 30, 2026 | Ruiz Briseno Andres | Chief Accounting Officer | A Award | 80,000 | Not measured | Not measured |
| Jan 30, 2026 | WHITE MICHAEL ANTHONY | Chief Scientific Officer | A Award | 190,000 | Not measured | Not measured |
| Nov 28, 2025 | Snyder Douglas B. | SVP, General Counsel | A Award | 1,041 | $16.91 | $17,600 |
| Nov 28, 2025 | Ruiz Briseno Andres | Chief Accounting Officer | A Award | 1,253 | $16.91 | $21,184 |
| Jun 24, 2025 | MACKEY CATHERINE J | Director | A Award | 20,000 | Not measured | Not measured |
| Jun 24, 2025 | ROSEN TERRY J | Director | A Award | 20,000 | Not measured | Not measured |
| Jun 24, 2025 | Stein Jeffrey | Director | A Award | 20,000 | Not measured | Not measured |
| Jun 24, 2025 | Morrison Scott W | Director | A Award | 20,000 | Not measured | Not measured |
| Jun 24, 2025 | YARNO WENDY L | Director | A Award | 20,000 | Not measured | Not measured |
| Jun 24, 2025 | Hampton Malcolm Garret | Director | A Award | 20,000 | Not measured | Not measured |
| May 30, 2025 | Snyder Douglas B. | SVP, General Counsel | A Award | 1,039 | $16.91 | $17,566 |
| Feb 27, 2025 | WHITE MICHAEL ANTHONY | Chief Scientific Officer | A Award | 185,000 | Not measured | Not measured |
| Feb 27, 2025 | Hata Yujiro S | President and CEO | A Award | 600,000 | Not measured | Not measured |
| Feb 27, 2025 | Beaupre Darrin | Chief Medical Officer | A Award | 185,000 | Not measured | Not measured |
| Feb 27, 2025 | DORMAN STUART | Chief Commercial Officer | A Award | 15,000 | Not measured | Not measured |
| Feb 27, 2025 | Ruiz Briseno Andres | Chief Accounting Officer | A Award | 75,000 | Not measured | Not measured |
| Feb 27, 2025 | Snyder Douglas B. | SVP, General Counsel | A Award | 33,000 | Not measured | Not measured |
| Feb 18, 2025 | Hata Yujiro S | President and CEO | M Exercise | 12,808 | $19.52 | $250,012 |
| Feb 18, 2025 | Hata Yujiro S | President and CEO | M Exercise | 12,808 | Not measured | Not measured |
| Nov 29, 2024 | Ruiz Briseno Andres | Chief Accounting Officer | A Award | 682 | $23.26 | $15,861 |
| Sep 26, 2024 | Snyder Douglas B. | SVP, General Counsel | A Award | 140,000 | Not measured | Not measured |
Questions about this data
Which insider transactions are open-market trades?
Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.
How quickly are insider trades reported?
A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.
Who has to file Form 4?
Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.
Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.