IDEAYA Biosciences, Inc. (IDYA) is a publicly traded company in the Unknown sector. Across all available filings, 21 corporate insiders have executed 192 transactions totaling $57.2M, demonstrating a bearish sentiment with -$11.8M in net insider flow. The most recent transaction on Jan 30, 2026 involved a transaction of 170,000 shares valued at $0.
No significant insider buying has been recorded for IDYA in the recent period.
No significant insider selling has been recorded for IDYA in the recent period.
Based on recent SEC filings, insider sentiment for IDYA is bearish with an Insider Alignment Score of 40/100 and a net flow of -$11.8M. Insiders are reducing their positions, though this can be driven by factors unrelated to company outlook.
Insider trading at IDEAYA Biosciences, Inc. (IDYA) refers to stock transactions made by corporate insiders—executives, directors, and beneficial owners holding more than 10% of the company's shares. These individuals have access to material non-public information and are required by law to report their trades to the SEC within two business days. Currently, 21 insiders are actively trading IDYA stock, having executed 192 transactions in the past 90 days. The most active insider is Yujiro S. Hata (Executive), who has made 28 transactions totaling $19.7M.
Get notified when executives and directors at IDYA file new Form 4 transactions
Date | Insider | Title | Type | Shares | Price | Value | Flags |
|---|---|---|---|---|---|---|---|
| Jan 30, 2026 | Bleharski Joshua | Chief Financial Officer | Award | 170,000 | $N/A | $0 | C-Suite |
| Jan 30, 2026 | Andres Ruiz Briseno | See Remarks | Award | 80,000 | $N/A | $0 | |
| Jan 30, 2026 | B. Snyder Douglas | SVP, General Counsel | Award | 130,000 | $N/A | $0 | |
| Jan 30, 2026 | S. Hata Yujiro | Executive | Award | 600,000 | $N/A | $0 | |
| Jan 30, 2026 | Dorman Stuart | Chief Commercial Officer | Award | 155,000 | $N/A | $0 | |
| Jan 30, 2026 | Beaupre Darrin | Chief Medical Officer | Award | 175,000 | $N/A | $0 | |
| Jan 30, 2026 | Anthony White Michael | Chief Scientific Officer | Award | 190,000 | $N/A | $0 | |
| Nov 28, 2025 | Andres Ruiz Briseno | See Remarks | Award | 1,253 | $16.91 | $21.2K | |
| Nov 28, 2025 | B. Snyder Douglas | SVP, General Counsel | Award | 1,041 | $16.91 | $17.6K | |
| May 30, 2025 | B. Snyder Douglas | SVP, General Counsel | Award | 1,039 | $16.91 | $17.6K | |
| Nov 29, 2024 | Andres Ruiz Briseno | See Remarks | Award | 682 | $23.26 | $15.9K | |
| Jun 27, 2024 | Throne Jason | Executive | Option Exercise | 6,424 | $13.34 | $85.7K | |
| Jun 27, 2024 | Throne Jason | Executive | Option Exercise | 47,060 | $7.01 | $329.9K | |
| May 29, 2024 | Anthony White Michael | Executive | Sale | 851 | $36.78 | $31.3K | 10b5-1 |
| May 29, 2024 | Anthony White Michael | Executive | Option Exercise | 28,500 | $12.86 | $366.5K | 10b5-1 |
| TYPE | COUNT | VALUE | % |
|---|---|---|---|
Sale(S) | 83 | $34.5M | 56.0% |
Purchase(P) | 19 | $22.7M | 36.9% |
Exercise(M) | 60 | $4.3M | 7.0% |
Award(A) | 12 | $82.0K | 0.1% |
Other(J) | 1 | $0 | 0.0% |
Conversion(C) | 17 | $0 | 0.0% |
Insider activity at IDEAYA Biosciences, Inc. shows mixed signals across all time. While $22.7M in purchases indicates some executive confidence,$34.5M in sales balances the picture, resulting in a modest net flow of -$11.8M.21 insiders have been active, with no strong directional conviction evident in the aggregate data. The most active insider, Yujiro S. Hata, has transacted $19.7M during this period.