IDYA: Hata Yujiro S sold $985K of stock
By AlphaYouPublished Form 4
Hata Yujiro S
Reporting filer
Hata Yujiro S reported selling 26,338 shares of IDEAYA Biosciences, Inc. for about $985K ($37.41 a share on average). Form 4 filed Oct 8, 2026 lists 4 entries.
- Disclosed
- Oct 8, 2026
Reported details
4 entries| Security | Owner | Date | Code | Action | Quantity | Price | Following holdings | Reporting delay | Filed terms and references |
|---|---|---|---|---|---|---|---|---|---|
| Common Stock | Hata Yujiro S | 2026-10-06 | M | Exercise or conversion | 26338 | 4.31 | 717,033 | 2 days | Filed terms
|
| Common Stock | Hata Yujiro S | 2026-10-06 | S | Sale | 25538 | 37.3869 | 691,495 | 2 days | Filed terms
|
| Common Stock | Hata Yujiro S | 2026-10-06 | S | Sale | 800 | 38.2626 | 690,695 | 2 days | Filed terms
|
| Stock Option (right to buy) (derivative) | Hata Yujiro S | 2026-10-06 | M | Exercise or conversion | 26338 | 0 | 23,116 | 2 days | Filed terms
|
Common Stock
- Owner
- Hata Yujiro S
- Date
- 2026-10-06
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 26338
- Price
- 4.31
- Following holdings
- 717,033
- Reporting delay
- 2 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-10-06
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: false
- transaction Shares: 26338
- transaction Price Per Share: 4.31
- transaction Acquired Disposed Code: A
- shares Owned Following Transaction: 717033
- direct Or Indirect Ownership: D
Common Stock
- Owner
- Hata Yujiro S
- Date
- 2026-10-06
- Code
- S
- Action
- Sale
- Quantity
- 25538
- Price
- 37.3869
- Following holdings
- 691,495
- Reporting delay
- 2 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-10-06
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: false
- id: F1
- transaction Shares: 25538
- transaction Price Per Share: 37.3869
- id: F2
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 691495
- direct Or Indirect Ownership: D
Common Stock
- Owner
- Hata Yujiro S
- Date
- 2026-10-06
- Code
- S
- Action
- Sale
- Quantity
- 800
- Price
- 38.2626
- Following holdings
- 690,695
- Reporting delay
- 2 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-10-06
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: false
- id: F1
- transaction Shares: 800
- transaction Price Per Share: 38.2626
- id: F3
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 690695
- direct Or Indirect Ownership: D
Stock Option (right to buy) (derivative)
- Owner
- Hata Yujiro S
- Date
- 2026-10-06
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 26338
- Price
- 0
- Following holdings
- 23,116
- Reporting delay
- 2 days
- Filed terms and references
Filed terms
- security Title: Stock Option (right to buy)
- conversion Or Exercise Price: 4.31
- transaction Date: 2026-10-06
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: false
- transaction Shares: 26338
- transaction Price Per Share: 0
- transaction Acquired Disposed Code: D
- id: F4
- expiration Date: 2028-02-26
- underlying Security Title: Common Stock
- underlying Security Shares: 26338
- shares Owned Following Transaction: 23116
- direct Or Indirect Ownership: D
Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.
Filing context
- Quantities and prices are shown in the units filed. No trade value is inferred from their product.
- Hata Yujiro S: President and CEO, Director.
- The filing reports a Rule 10b5-1 trading plan.
- F1: The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan, adopted on July 7, 2026, in which the majority of the shares acquired upon the exercise of stock options were granted to the Reporting Person prior to the Issuer's initial public offering and are approaching their expiration date.
- F2: This transaction was executed in multiple trades in prices ranging from $37.00 to $37.98, 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.
- F3: This transaction was executed in multiple trades in prices ranging from $38.23 to $38.34, 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.
- F4: The shares subject to the option are fully vested and exercisable.
Original sources
Prepared automatically from public filing data. Report a correction.