Kathryn Guarini sold $360K of REGN stock
By AlphaYouPublished Form 4
Guarini Kathryn
Reporting filer
Kathryn Guarini reported selling 400 shares of Regeneron Pharmaceuticals, Inc. for about $360K ($900.00 a share on average). Form 4 filed Nov 3, 2026 lists 3 entries.
See the price move since this trade →
- Disclosed
- Nov 3, 2026
Reported details
3 entries| Security | Owner | Date | Code | Action | Quantity | Price | Following holdings | Reporting delay | Filed terms and references |
|---|---|---|---|---|---|---|---|---|---|
| Common Stock | Guarini Kathryn | 2026-10-30 | M | Exercise or conversion | 400 | 719.37 | 1,003 | 4 days | Filed terms
|
| Common Stock | Guarini Kathryn | 2026-10-30 | S | Sale | 400 | 900.0 | 603 | 4 days | Filed terms
|
| Non-Qualified Stock Option (right to buy) (derivative) | Guarini Kathryn | 2026-10-30 | M | Exercise or conversion | 400 | 0.0 | 758 | 4 days | Filed terms
|
Common Stock
- Owner
- Guarini Kathryn
- Date
- 2026-10-30
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 400
- Price
- 719.37
- Following holdings
- 1,003
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-10-30
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- id: F1
- transaction Shares: 400
- transaction Price Per Share: 719.37
- transaction Acquired Disposed Code: A
- shares Owned Following Transaction: 1003
- direct Or Indirect Ownership: D
Common Stock
- Owner
- Guarini Kathryn
- Date
- 2026-10-30
- Code
- S
- Action
- Sale
- Quantity
- 400
- Price
- 900.0
- Following holdings
- 603
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Common Stock
- transaction Date: 2026-10-30
- transaction Form Type: 4
- transaction Code: S
- equity Swap Involved: 0
- id: F1
- transaction Shares: 400
- transaction Price Per Share: 900.0
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 603
- direct Or Indirect Ownership: D
Non-Qualified Stock Option (right to buy) (derivative)
- Owner
- Guarini Kathryn
- Date
- 2026-10-30
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 400
- Price
- 0.0
- Following holdings
- 758
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Non-Qualified Stock Option (right to buy)
- conversion Or Exercise Price: 719.37
- transaction Date: 2026-10-30
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- id: F1
- transaction Shares: 400
- transaction Price Per Share: 0.0
- transaction Acquired Disposed Code: D
- id: F2
- expiration Date: 2035-01-02
- underlying Security Title: Common Stock
- underlying Security Shares: 400
- shares Owned Following Transaction: 758
- 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.
- Guarini Kathryn: Director.
- The filing reports a Rule 10b5-1 trading plan.
- F1: Disposition/acquisition made pursuant to a plan intended to comply with Rule 10b5-1(c) adopted on February 13, 2026.
- F2: On the date of the Company's first annual meeting of shareholders following the date of grant, a portion of these stock options equal to the portion of one year that had passed from the date of grant became exercisable, and the remainder became exercisable on the first anniversary of the date of grant.
Original sources
Prepared automatically from public filing data. Report a correction.