Formfactor Inc (FORM) insider trading.
In Q3 2026, insiders at Formfactor Inc reported 28 non-derivative transactions on 8 Forms 3, 4 and 5: 0 open-market purchases and 16 sales worth $4.7M.
- Transactions
- 28
- Purchases (P)
- 0
- Sales (S)
- 16
- Net shares, P minus S
- -40,347
- Insiders
- 3
- Last filed
- 2026-09-17
Insiders
| Insider | Relationship | Transactions | Buys | Sales |
|---|---|---|---|---|
| Slessor Mike | Director, Officer · CEO | 23 | 0 | 15 |
| McKinnis Aric Brendan | Officer · CFO, SVP Global Finance | 4 | 0 | 0 |
| Steven-Waiss Kelley | Director | 1 | 0 | 1 |
Transactions
| Date | Insider | Code | Shares | Price | Owned after | Filing |
|---|---|---|---|---|---|---|
| 2026-09-16 | Slessor Mike | S (D) | 1,000 | $105.8 | 466,694 | Form 4 |
| 2026-09-16 | Slessor Mike | S (D) | 8,737 | $104.26 | 475,467 | Form 4 |
| 2026-09-16 | Slessor Mike | S (D) | 7,773 | $105.12 | 467,694 | Form 4 |
| 2026-09-03 | Steven-Waiss Kelley | S (D) | 2,100 | $96.1 | 24,426 | Form 4 |
| 2026-08-14 | Slessor Mike | S (D) | 2,482 | $128.72 | 497,724 | Form 4 |
| 2026-08-14 | Slessor Mike | S (D) | 2,892 | $129.55 | 494,832 | Form 4 |
| 2026-08-14 | Slessor Mike | S (D) | 686 | $133.33 | 484,204 | Form 4 |
| 2026-08-14 | Slessor Mike | S (D) | 1,125 | $131.65 | 490,425 | Form 4 |
| 2026-08-14 | Slessor Mike | S (D) | 5,535 | $132.5 | 484,890 | Form 4 |
| 2026-08-14 | Slessor Mike | S (D) | 3,282 | $130.54 | 491,550 | Form 4 |
| 2026-08-07 | Slessor Mike | M (A) | 141,792 | $0 | 576,494 | Form 4 |
| 2026-08-07 | Slessor Mike | F (D) | 78,908 | $117.39 | 497,586 | Form 4 |
| 2026-08-07 | Slessor Mike | M (A) | 5,908 | $0 | 503,494 | Form 4 |
| 2026-08-07 | Slessor Mike | F (D) | 3,288 | $117.39 | 500,206 | Form 4 |
| 2026-08-06 | McKinnis Aric Brendan | F (D) | 274 | $115.21 | 14,152 | Form 4 |
| 2026-08-06 | McKinnis Aric Brendan | M (A) | 1,099 | $0 | 14,426 | Form 4 |
| 2026-08-06 | Slessor Mike | M (A) | 6,031 | $0 | 438,059 | Form 4 |
| 2026-08-06 | Slessor Mike | F (D) | 3,357 | $115.21 | 434,702 | Form 4 |
| 2026-08-05 | McKinnis Aric Brendan | F (D) | 130 | $114.44 | 13,327 | Form 4 |
| 2026-08-05 | McKinnis Aric Brendan | M (A) | 521 | $0 | 13,457 | Form 4 |
| 2026-08-05 | Slessor Mike | F (D) | 2,028 | $114.44 | 432,028 | Form 4 |
| 2026-08-05 | Slessor Mike | M (A) | 3,644 | $0 | 434,056 | Form 4 |
| 2026-07-15 | Slessor Mike | S (D) | 1,650 | $117.39 | 432,456 | Form 4 |
| 2026-07-15 | Slessor Mike | S (D) | 706 | $118.21 | 431,750 | Form 4 |
| 2026-07-15 | Slessor Mike | S (D) | 300 | $120.58 | 431,280 | Form 4 |
| 2026-07-15 | Slessor Mike | S (D) | 868 | $121.3 | 430,412 | Form 4 |
| 2026-07-15 | Slessor Mike | S (D) | 1,041 | $116.56 | 434,106 | Form 4 |
| 2026-07-15 | Slessor Mike | S (D) | 170 | $119.08 | 431,580 | Form 4 |
Transaction codes in this quarter
Get FORM insider transactions through the API
curl "https://sec-api.dev/api/v1/insider-transactions?period=2026q3&cik=1039399&limit=100" \
-H "Authorization: Bearer $SEC_API_KEY"Insider trading API guide · FORM company page · Formfactor Inc on SEC.gov
Questions
Are insiders buying or selling Formfactor Inc (FORM)?
In Q3 2026, insiders at Formfactor Inc reported 28 non-derivative transactions on 8 Forms 3, 4 and 5: 0 open-market purchases and 16 sales worth $4.7M. Grants, tax withholding and option exercises are counted as transactions but are not purchases or sales.
Where do these Formfactor Inc insider trades come from?
From the SEC Insider Transactions Data Sets for Q3 2026, which republish the Forms 3, 4 and 5 filed on EDGAR. Each row links to its filing on SEC.gov.
Plain-text version for agents and LLMs: /insider-trading/form.md
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.