Transaction · 0001628280-26-001019

SLESSOR MIKE

SLESSOR MIKE, CEO, reported an open-market or private sale at FORMFACTOR INC involving 39606.000000 shares for an estimated $2574390.00. Reported holdings after the transaction were 485995.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCEO
FORMFORMFACTOR INC
Filing timeJan 07
Trade dateJan 06, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$62.72
Pre-filing
1mo ago -8.4%1w ago -9.0%1d ago -0.0%
Returns since
7d +14.8%30d +44.0%90d +67.6%180d +89.2%1y +72.4%

FORM price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
FORM since 2026-01-07Filed 241 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001628280-26-001019
Common Stock
Transaction date
Jan 06, 2026
Filed Jan 07, 2026, 12:13 AM · 1d delay
Shares
39.6k sh
$6.50k per share
Estimated value
-$257M
Computed from shares × price
Holdings after
485k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Direct Ownership Large Sale 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

CEO

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    The reported sale of shares occurred automatically pursuant to a Rule 10b5-1 trading plan adopted on August 19, 2025.

Original filing · 0001628280-26-001019
Related transactions

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Same reporting owner
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FORM