Christophe Arbet-Engels reports an option exercise and tax withholding on shares
By AlphaYouPublished Form 4
Arbet-Engels Christophe
Reporting filer
Christophe Arbet-Engels reports an option exercise and tax withholding on shares, not an open-market purchase or sale, in Altimmune, Inc.. Form 4 filed Oct 5, 2026 lists 3 entries.
- Disclosed
- Oct 5, 2026
Reported details
3 entries| Security | Owner | Date | Code | Action | Quantity | Price | Following holdings | Reporting delay | Filed terms and references |
|---|---|---|---|---|---|---|---|---|---|
| Common Stock, par value $0.0001 | Arbet-Engels Christophe | 2026-10-01 | M | Exercise or conversion | 37500 | 0 | 37,500 | 4 days | Filed terms
|
| Common Stock, par value $0.0001 | Arbet-Engels Christophe | 2026-10-01 | F | Tax/exercise withholding | 12679 | 2.76 | 24,821 | 4 days | Filed terms
|
| Restricted Stock Units (derivative) | Arbet-Engels Christophe | 2026-10-01 | M | Exercise or conversion | 37500 | 0 | 112,500 | 4 days | Filed terms
|
Common Stock, par value $0.0001
- Owner
- Arbet-Engels Christophe
- Date
- 2026-10-01
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 37500
- Price
- 0
- Following holdings
- 37,500
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Common Stock, par value $0.0001
- transaction Date: 2026-10-01
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 37500
- transaction Price Per Share: 0
- id: F1
- transaction Acquired Disposed Code: A
- shares Owned Following Transaction: 37500
- direct Or Indirect Ownership: D
- nature Of Ownership:
Common Stock, par value $0.0001
- Owner
- Arbet-Engels Christophe
- Date
- 2026-10-01
- Code
- F
- Action
- Tax/exercise withholding
- Quantity
- 12679
- Price
- 2.76
- Following holdings
- 24,821
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Common Stock, par value $0.0001
- transaction Date: 2026-10-01
- transaction Form Type: 4
- transaction Code: F
- equity Swap Involved: 0
- id: F2
- transaction Shares: 12679
- transaction Price Per Share: 2.76
- transaction Acquired Disposed Code: D
- shares Owned Following Transaction: 24821
- direct Or Indirect Ownership: D
- nature Of Ownership:
Restricted Stock Units (derivative)
- Owner
- Arbet-Engels Christophe
- Date
- 2026-10-01
- Code
- M
- Action
- Exercise or conversion
- Quantity
- 37500
- Price
- 0
- Following holdings
- 112,500
- Reporting delay
- 4 days
- Filed terms and references
Filed terms
- security Title: Restricted Stock Units
- id: F1
- transaction Date: 2026-10-01
- transaction Form Type: 4
- transaction Code: M
- equity Swap Involved: 0
- transaction Shares: 37500
- transaction Price Per Share: 0
- transaction Acquired Disposed Code: D
- id: F3
- id: F3
- underlying Security Title: Common Stock, par value $0.0001
- underlying Security Shares: 37500
- shares Owned Following Transaction: 112500
- direct Or Indirect Ownership: D
- nature Of Ownership:
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.
- Arbet-Engels Christophe: Chief Medical Officer.
- F1: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.0001, when vested.
- F2: Vesting transaction: Shares surrendered to the Issuer solely to cover taxes associated with vesting of RSUs.
- F3: The RSUs become vested over four (4) years with 25% of the shares vesting on October 1, 2026, with the remainder vesting in equal annual installments for the following three (3) years, subject to the reporting person's continued service through the applicable vesting date, and have no expiration date.
Original sources
Prepared automatically from public filing data. Report a correction.