Slessor Mike's Form 4 filing
Formfactor Inc (FORM) · filed Aug 10, 2026
- Accession no.
- 0001628280-26-055434
- Filed
- Aug 10, 2026, 6:58 PM ET
- Trade date
- Aug 6-7, 2026
- Filing delay
- 4 days
- Rule 10b5-1 plan
- Not checked
This filing lists 4 non-derivative transactions and 4 derivative transactions. It was filed 4 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Slessor MikeCIK 0001590177 | Director, Officer (CEO) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 7, 2026 | Common Stock | MOption exerciseAcquired | +141,792 | $0.00 | $0 | 576,494 | Direct | |
| Aug 7, 2026 | Common Stock | FTax withholdingDisposed | −78,908 | $117.39 | −$9,263,010.12 | 497,586 | Direct | |
| Aug 7, 2026 | Common Stock | MOption exerciseAcquired | +5,908 | $0.00 | $0 | 503,494 | Direct | |
| Aug 7, 2026 | Common Stock | FTax withholdingDisposed | −3,288 | $117.39 | −$385,978.32 | 500,206 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Aug 6, 2026 | Common Stock | AGrant or awardAcquired | +27,696 | $0.00 | $0 | 27,696 | Direct | |
| Aug 7, 2026 | Common Stock | AGrant or awardAcquired | +141,792 | $0.00 | $0 | 141,792 | Direct | |
| Aug 7, 2026 | Common Stock | MOption exerciseDisposed | −141,792 | $0.00 | $0 | 0 | Direct | |
| Aug 7, 2026 | Common Stock | MOption exerciseDisposed | −5,908 | $0.00 | $0 | 0 | Direct |
Footnotes
Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.