Form 4 for FORM FORMFACTOR INC
Accepted 2026-03-18 00:00:00 ET · period of report 2026-03-18 · accession 0001628280-26-019545 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-03-18 | 2026-03-18 | FORM | SLESSOR MIKE | CEO, Dir | S - Sale | $95.15 | -10.2K | 463.7K | -2% | -$973.1K |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-03-18 | S | D | 1,900 | $94.10 | 469,186 | D | — | — | (F1) The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025. (F2) Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $93.63 through $94.48. 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. |
| 2 | Common | Common Stock | 2026-03-18 | S | D | 2,832 | $95.73 | 460,859 | D | — | — | (F1) The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025. (F4) Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $95.66 through $95.87. 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. |
| 3 | Common | Common Stock | 2026-03-18 | S | D | 5,495 | $95.21 | 463,691 | D | — | — | (F1) The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025. (F3) Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $94.77 through $95.60. 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. |