IDYA insiders were on both sides of the trade this year. Buys came to roughly $1.6 million (one buyer), sales to $1.4 million (two sellers).
The largest purchase came from Stein Jeffrey (Director), about $1.6 million.
284 investment managers listed IDYA in their latest 13F filings (Q2 2026); more funds bought than sold. Zooming out by quarter: Last full quarter: net selling by insiders. Insiders bought in 1 of the last 7 full quarters.
| Filed | Insider | Role | Type | Shares | Price | Value | Source |
|---|---|---|---|---|---|---|---|
| Oct 8, 2026 | Hata Yujiro S | CEO | Sell | 25,538 | $37.39 | $955K | SEC |
| Oct 8, 2026 | Hata Yujiro S | CEO | Sell | 800 | $38.26 | $31K | SEC |
| Jul 9, 2026 | Ruiz Briseno Andres | Executive Officer | Sell | 9,550 | $40.01 | $382K | SEC |
| Mar 2, 2026 | Stein Jeffrey | Director | Buy | 50,000 | $32.96 | $1.6M | SEC |
| May 31, 2024 | WHITE MICHAEL ANTHONY | Executive Officer | Sell | 27,649 | $36.23 | $1.0M | SEC |
| May 31, 2024 | WHITE MICHAEL ANTHONY | Executive Officer | Sell | 851 | $36.78 | $31K | SEC |
| May 16, 2024 | Hata Yujiro S | CEO | Sell | 4,349 | $42.37 | $184K | SEC |
| May 16, 2024 | Hata Yujiro S | CEO | Sell | 54,408 | $41.60 | $2.3M | SEC |
| May 16, 2024 | Hata Yujiro S | CEO | Sell | 2,303 | $41.84 | $96K | SEC |
| May 16, 2024 | Hata Yujiro S | CEO | Sell | 53,592 | $42.57 | $2.3M | SEC |
| May 16, 2024 | Hata Yujiro S | CEO | Sell | 29,761 | $43.48 | $1.3M | SEC |
| May 16, 2024 | Hata Yujiro S | CEO | Sell | 503 | $44.12 | $22K | SEC |
| May 16, 2024 | Hata Yujiro S | CEO | Sell | 30,084 | $41.73 | $1.3M | SEC |
| Feb 13, 2024 | Ruiz Briseno Andres | Officer | Sell | 2,000 | $46.02 | $92K | SEC |
| Feb 12, 2024 | Hata Yujiro S | CEO | Sell | 23,557 | $45.54 | $1.1M | SEC |
In the last 12 months IDEAYA Biosciences, Inc. insiders made open-market purchases worth about $1.6 million and sales worth about $1.4 million. Data comes from SEC Form 4 filings, updated every 30 minutes on CapitalSnitch.
The most recent open-market insider trade in IDYA was filed on 2026-10-08.
284 investment managers reported holding IDYA in SEC Form 13F filings for Q2 2026.
No congressional trades in IDYA were reported in the past two years. The full list is free on CapitalSnitch.
Public-record data for research and education, not investment advice. Insider sales are often pre-planned (10b5-1). Congress data: Data derived from public disclosures filed under the Ethics in Government Act and the STOCK Act, republished free for public transparency and news reporting. Disclosures may lag the trade by 45 days or more and show amounts only as ranges. This data may not be used for credit rating, loan underwriting, solicitation of money (political, charitable or other), direct-mail or commercial targeting (5 U.S.C. 13107).