William E. Duke
CIK: 0001636135
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Invivyd, Inc.
Discretionary Trading P&L
Holdings
Transaction History (12 total)
- Aug 18, 2026IVVD
Invivyd, Inc.
Sale(S)Direct18.4K shares at avg. $0.84$16K - Aug 17, 2026IVVD
Invivyd, Inc.
Sale(S)Direct22.4K shares at avg. $0.72$16K - Aug 15, 2026IVVD
Invivyd, Inc.
Exercise(M)Direct102K shares- - Feb 18, 2026IVVD
Invivyd, Inc.
Sale(S)Direct21K shares at avg. $1.58$33K - Feb 17, 2026IVVD
Invivyd, Inc.
Sale(S)Direct19.7K shares at avg. $1.54$30K - Feb 15, 2026IVVD
Invivyd, Inc.
Exercise(M)Direct99K shares- - Jan 29, 2026IVVD
Invivyd, Inc.
Award(A)DirectStock Option (Right to Buy)
625K shares- - Aug 19, 2025IVVD
Invivyd, Inc.
Sale(S)Direct29.6K shares at avg. $0.57$17K - Aug 18, 2025IVVD
Invivyd, Inc.
Sale(S)Direct20K shares at avg. $0.65$13K - Aug 15, 2025IVVD
Invivyd, Inc.
Exercise(M)Direct99K shares- - Feb 15, 2025IVVD
Invivyd, Inc.
Award(A)DirectStock Option (Right to Buy)
950K shares- - Feb 15, 2025IVVD
Invivyd, Inc.
Award(A)DirectRestricted Stock Units
300K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 18, 2026 | IVVD Invivyd, Inc. | Sale(S) | 18,425 | $0.84 | $15,530 | Direct |
| Aug 17, 2026 | IVVD Invivyd, Inc. | Sale(S) | 22,355 | $0.72 | $16,140 | Direct |
| Aug 15, 2026 | IVVD Invivyd, Inc. | Exercise(M) | 102,000 | - | $0 | Direct |
| Feb 18, 2026 | IVVD Invivyd, Inc. | Sale(S) | 20,964 | $1.58 | $33,077 | Direct |
| Feb 17, 2026 | IVVD Invivyd, Inc. | Sale(S) | 19,663 | $1.54 | $30,273 | Direct |
| Feb 15, 2026 | IVVD Invivyd, Inc. | Exercise(M) | 99,000 | - | $0 | Direct |
| Jan 29, 2026 | IVVD Invivyd, Inc. | Award(A) Stock Option (Right to Buy) | 625,000 | - | - | Direct |
| Aug 19, 2025 | IVVD Invivyd, Inc. | Sale(S) | 29,643 | $0.57 | $16,796 | Direct |
| Aug 18, 2025 | IVVD Invivyd, Inc. | Sale(S) | 20,013 | $0.65 | $13,012 | Direct |
| Aug 15, 2025 | IVVD Invivyd, Inc. | Exercise(M) | 99,000 | - | - | Direct |
| Feb 15, 2025 | IVVD Invivyd, Inc. | Award(A) Stock Option (Right to Buy) | 950,000 | - | - | Direct |
| Feb 15, 2025 | IVVD Invivyd, Inc. | Award(A) Restricted Stock Units | 300,000 | - | - | Direct |
1-12 of 12 transactions
About Duke William E.
Duke William E. (SEC CIK 0001636135) files insider reports with the SEC as Chief Financial Officer of Invivyd, Inc. (IVVD).
Signal8 holds 5 ownership filings by Duke William E., all Form 4s, filed between Feb 19, 2025 and Aug 18, 2026. Those filings report 12 transactions, from Feb 15, 2025 to Aug 18, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Duke William E.'s filings is in NEW HAVEN, CT.
Recent filings by Duke William E.
- Aug 18, 2026: Open-market sale of IVVD shares (Form 4, code S).
- Aug 17, 2026: Open-market sale of IVVD shares (Form 4, code S).
- Aug 15, 2026: Option exercise of IVVD shares (Form 4, code M).
- Feb 18, 2026: Open-market sale of IVVD shares (Form 4, code S).
- Feb 17, 2026: Open-market sale of IVVD shares (Form 4, code S).
Other insiders filing for Invivyd, Inc. (IVVD)
- Sheffield Ian, Director
- Elia Marc, Chief Executive Officer
- Lee Timothy Edward, Chief Commercial Officer
- Green Julie, Chief Human Resources Officer
- Andersen Jill, Chief Legal Officer, Secretary
- Allen Robert D. III, Chief Scientific Officer