Transaction · 0001628280-26-065922

Slessor Mike

SLESSOR MIKE, CEO, reported an open-market or private sale at FORMFACTOR INC involving 1200.000000 shares for an estimated $151104.00. Reported holdings after the transaction were 455596.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCEO
FORMFORMFACTOR INC
Trade date
Oct 14, 2026
Filing date
Oct 15, 2026
View on SEC Insider profile
Estimated value-$151kShares × reported price
Shares traded1.20k$125.92 per share
Holdings after455kDirect
% of reported position traded0.26%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 456,796 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

FORM price since this filing

Daily closing prices, with the filing date and available return windows
FORM · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -14.0%1w ago +16.8%1d ago +7.0%
Returns since7d30d90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001628280-26-065922
Common Stock
Transaction date
Oct 14, 2026
Filed Oct 15, 2026, 12:06 AM · 1d delay
Shares
1,200 sh
$125.92 per share
Estimated value
-$151k
Computed from shares × price
Holdings after
455,596 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Direct Ownership Repeat Seller 10b5-1 Detected
Filing-only score

0 points

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.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • timely_filing+4 points

    reporting_delay_days = 1

    Filing reported within two business days of the transaction.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

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.

  2. F2

    Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $123.87 through $124.86. Reporting person undertakes to provide upon request by the SEC

  3. staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

  4. F3

    Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $124.90 through $125.805. Reporting person undertakes to provide upon request by the SEC st…

  5. F4

    Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $125.855 through $125.98. Reporting person undertakes to provide upon request by the SEC st…

Original filing · 0001628280-26-065922
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