Welcome to our dedicated page for FORMFACTOR SEC filings (Ticker: FORM), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
FormFactor, Inc. filings document a Nasdaq-listed semiconductor test and measurement company with common stock registered under the symbol FORM. Its Form 8-K reports furnish quarterly operating results and financial-condition updates, while other material-event filings cover restructuring actions tied to manufacturing consolidation, executive and director changes, and a revolving credit agreement for working capital and general corporate purposes.
The company’s proxy materials describe board elections, committee matters, executive compensation, equity awards, pay-versus-performance disclosure and other annual meeting governance subjects. Together, the filings provide formal disclosure on FormFactor’s capital structure, governance practices, operating performance and risk-related corporate actions.
FORMFACTOR INC CEO Mike Slessor reported open-market sales of 10,227 shares of Common Stock. On March 18, 2026, he sold 1,900 shares at $94.10, 5,495 shares at $95.21, and 2,832 shares at $95.73. A footnote states the sales occurred automatically under a Rule 10b5-1 trading plan adopted on August 19, 2025. Following these transactions, he directly holds 460,859 shares.
Form 144 filing reporting sales of Common stock by Mike Slessor. The filing lists three dispositions: 01/06/2026 sale of 39,606 shares for $2,574,390.00, 01/15/2026 sale of 13,088 shares for $1,005,295.82, and 02/18/2026 sale of 8,664 shares for $815,576.98. The securities previously issued as restricted stock include grants dated 05/07/2024 (3,800 shares) and 08/01/2024 (6,427 shares).
FORMFACTOR INC Chief Financial Officer Aric Brendan McKinnis reported an open-market sale of 3,462 shares of common stock on March 5, 2026 at $90.42 per share. The transaction occurred automatically under a Rule 10b5-1 trading plan adopted on December 4, 2025, and left him with 11,140 shares of directly owned common stock.
Morgan Stanley Smith Barney LLC Executive Financial Services submitted a Form 144 proposing the sale of common stock. The filing lists multiple restricted-stock grants and an Employee Stock Purchase Plan allocation with grant dates and the following quantities: 580, 391, 580, 359, 341, 535, 96, 580 linked to specific grant dates.
FormFactor Inc. CFO Aric Brendan McKinnis reported equity award activity involving restricted stock units and common shares. On March 2, 2026, 773 restricted stock units were converted into 773 shares of common stock at $0.00 per share as part of an RSU settlement.
On the same date, 193 common shares were disposed of at $99.70 per share to cover tax withholding obligations tied to the vesting of these RSUs. The RSUs were granted on June 2, 2023 and vest in twelve quarterly installments from September 2, 2023 through June 2, 2026, subject to continued employment and certain severance and change‑of‑control arrangements.
FORMFACTOR INC director Brian C. White sold shares in the company. On February 24, 2026, he completed an open-market sale of 2,300 shares of common stock at $100.01 per share. After this transaction, he directly owned 10,556 shares of FORMFACTOR INC common stock.
Brian C White filed a Form 144 notice to sell restricted common shares of Morgan Stanley Smith Barney LLC. The filing lists restricted grants of 1,030 shares dated 05/27/2023 and grants of 564, 565, and 141 shares dated 05/19/20245,500 common shares were sold on 02/09/2026 for $500,225 during the past three months.
FormFactor, Inc. files its annual report describing a global semiconductor test and measurement business built around probe cards, analytical probes, probe stations, thermal and cryogenic systems, and related services. The company operates in two segments: Probe Cards and Systems.
FormFactor highlights heavy customer and geographic concentration: one customer contributed 22.9% of fiscal 2025 revenues, international sales were 81% of revenues in 2025, and revenue from customers in China was 7% in 2025, down from 14% in each of the prior two years. The company reports 2,153 full-time employees across North America, Asia and Europe and notes significant manufacturing expansion and consolidation, including a new facility in Farmers Branch, Texas and planned closure of Carlsbad and Baldwin Park, California sites by the end of fiscal 2026.
The filing emphasizes numerous risks: intense competition, semiconductor cyclicality, reliance on a small number of major customers, complex global supply chains, export controls (notably involving China), evolving data privacy and AI-related technology risks, ESG expectations, and potential restructuring and impairment charges.
FORMFACTOR INC CEO Mike Slessor reported open-market sales of 8,664 shares of common stock. The transactions occurred on February 18, 2026 in three tranches at weighted average prices of about $92.85, $93.97, and $94.79 per share.
The filing states the sales were executed automatically under a Rule 10b5-1 trading plan adopted on August 19, 2025. After these sales, Slessor directly holds 471,086 shares of FormFactor common stock.
Mike Slessor reports proposed sale of 8,664 shares of Common Stock. The filing lists 8,664 restricted shares to be sold (registered as "Common", dated 08/02/2023) and records recent dispositions in the past three months, including 13,088 shares on 01/15/2026 and 39,606 shares on 01/06/2026.