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| Keyboard |
| Formfactor Inc | |
|---|---|
| Ticker | FORM |
| CIK # | 0001039399 |
| CUSIP | 346375108 |
| Sector | Manufacturing - Semiconductors & Related Devices |
| Address | 7005 Southfront Road, Livermore, CA 94551 |
| Source | [EDGAR] |
| Reg D Offering (Form D) | Filed | Raised | Terms |
|---|---|---|---|
| Formfactor Inc | 2025-01-17 | 15.0 M | Exemption: 506(b) · Duration: One year or less · Revenue: Decline to Disclose |
| CIK | Filing | 2011 - 2026 |
|---|---|---|
| [0001039399] | 10-K | |
| [0001039399] | 10-Q | |
| [0001039399] | 3 | |
| [0001039399] | 4 | |
| [0001039399] | 8-K | |
| [0001039399] | D | |
| [0001039399] | SC 13G |
| Form 13D/13G Filer | Form 13D/13G Subject | Filed | % Owned |
|---|---|---|---|
| Vanguard Capital Management LLC | Formfactor Inc | [2026-04-29] | 0.0 |
| Vanguard Portfolio Management LLC | Formfactor Inc | [2026-04-29] | 0.0 |
| Earnest Partners LLC | Formfactor Inc | [2019-02-14] | 5.9 |
| Wellington Management Group LLP | Formfactor Inc | [2018-05-10] | 10.46 |
| Wellington Management Group LLP | Formfactor Inc | [2017-02-09] | 7.75 |
| AllianceBernstein LP | Formfactor Inc | [2016-02-16] | 5.6 |
| Needham Investment Management LLC | Formfactor Inc | [2014-02-14] | 5.3 |
| Dimensional Fund Advisors LP | Formfactor Inc | [2014-02-10] | 6.15 |
| Vanguard Group Inc | Formfactor Inc | [2012-02-10] | 5.39 |
| Insider Transaction (Form 3/4/5) | Date | Action | Shares | Price | Value ($) |
|---|---|---|---|---|---|
|
Slessor Mike
Common Stock
|
2026-03-18 | Sell | 5,495 | $95.21 | 523,179 |
|
Slessor Mike
Common Stock
|
2026-03-18 | Sell | 1,900 | $94.10 | 178,790 |
|
Slessor Mike
Common Stock
|
2026-03-18 | Sell | 2,832 | $95.73 | 271,107 |
|
McKinnis Aric Brendan
Common Stock
|
2026-03-05 | Sell | 3,462 | $90.42 | 313,034 |
|
McKinnis Aric Brendan
Common Stock
|
2026-03-02 | Option exercise | 773 | $0.00 | |
|
McKinnis Aric Brendan
Common Stock
|
2026-03-02 | Tax withheld | 193 | $99.70 | 19,242 |
|
McKinnis Aric Brendan
Restricted Stock Units · derivative
|
2026-03-02 | Option exercise | 773 | $0.00 | |
|
White Brian C
Common Stock
|
2026-02-24 | Sell | 2,300 | $100.01 | 230,023 |
|
Slessor Mike
Common Stock
|
2026-02-18 | Sell | 834 | $92.85 | 77,437 |
|
Slessor Mike
Common Stock
|
2026-02-18 | Sell | 2,896 | $94.79 | 274,512 |
|
Slessor Mike
Common Stock
|
2026-02-18 | Sell | 4,934 | $93.97 | 463,648 |
|
Brewer Kevin J
Common Stock
|
2026-02-11 | Sell | 3,000 | $96.20 | 288,600 |
|
Rhodes Sheri
Common Stock
|
2026-02-10 | Sell | 7,634 | $92.61 | 706,985 |
|
St Dennis Thomas
Common Stock
|
2026-02-10 | Sell | 5,601 | $93.71 | 524,870 |
|
Steven-Waiss Kelley
Common Stock
|
2026-02-10 | Sell | 2,200 | $93.70 | 206,140 |
|
St Dennis Thomas
Common Stock
|
2026-02-10 | Sell | 1,830 | $94.24 | 172,459 |
|
Slessor Mike
Common Stock
|
2026-02-09 | Tax withheld | 3,288 | $94.88 | 311,965 |
|
Slessor Mike
Restricted Stock Units · derivative
|
2026-02-09 | Option exercise | 5,908 | $0.00 | |
|
Titinger Jorge
Common Stock
|
2026-02-09 | Sell | 2,000 | $88.84 | 177,680 |
|
Slessor Mike
Common Stock
|
2026-02-09 | Option exercise | 5,908 | $0.00 | |
| showing 20 of 200 most recent transactions | |||||
| 13F Ownership Over Time | Holders | Shares Held |
|---|---|---|
| 2026-03-31 | 397 | 71,912,684 |
| 2025-12-31 | 337 | 74,497,334 |
| 2025-09-30 | 281 | 73,597,868 |
| 2025-06-30 | 302 | 75,630,812 |
| 2025-03-31 | 282 | 75,084,302 |
| 2024-12-31 | 301 | 75,422,106 |
| 2024-09-30 | 321 | 73,266,081 |
| 2024-06-30 | 312 | 73,796,763 |
| 2024-03-31 | 266 | 76,908,604 |
| 2023-12-31 | 246 | 77,235,725 |
| 2023-09-30 | 229 | 73,952,009 |
| 2023-06-30 | 233 | 72,989,657 |