Slessor Mike's Form 4 filing
Formfactor IncFORM · filed Aug 17, 2026
- Accession no.
- 0001628280-26-057485
- Filed
- Aug 17, 2026, 6:16 PM ET
- Trade date
- Aug 14, 2026
- Filing delay
- 3 days
- Rule 10b5-1 plan
- Checked
This filing lists 6 non-derivative transactions. Open-market sales total $2.10M. It was filed 3 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 14, 2026 | Common Stock | SSaleDisposed | −2,482 | $128.72F2 | −$319,483.04 | 497,724 | Direct | |
| Aug 14, 2026 | Common Stock | SSaleDisposed | −2,892 | $129.55F3 | −$374,658.6 | 494,832 | Direct | |
| Aug 14, 2026 | Common Stock | SSaleDisposed | −3,282 | $130.54F4 | −$428,432.28 | 491,550 | Direct | |
| Aug 14, 2026 | Common Stock | SSaleDisposed | −1,125 | $131.65F5 | −$148,106.25 | 490,425 | Direct | |
| Aug 14, 2026 | Common Stock | SSaleDisposed | −5,535 | $132.50F6 | −$733,387.5 | 484,890 | Direct | |
| Aug 14, 2026 | Common Stock | SSaleDisposed | −686 | $133.33F7 | −$91,464.38 | 484,204 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $128.14 through $129.01. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F3
Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $129.29 through $129.80. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F4
Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $130.255 through $131.00. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F5
Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $131.30 through $131.75. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F6
Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $132.17 through $132.95. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.
- F7
Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $133.255 through $133.53. Reporting person undertakes to provide upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
Referenced by the price of 1 transaction in Table I.