Skip to main content

Slessor Mike's Form 4 filing

Formfactor IncFORM · filed May 14, 2026

Accession no.
0001628280-26-035233
Filed
May 14, 2026
Trade date
May 13, 2026
Filing delay
1 day
Rule 10b5-1 plan
Checked

This filing lists 12 non-derivative transactions. Open-market sales total $1.19M. It was filed 1 day after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Slessor MikeCIK 0001590177Director, Officer (CEO)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
May 13, 2026Common StockSSaleDisposed−700$122.84F2−$85,988455,775Direct
May 13, 2026Common StockSSaleDisposed−1,300$123.72F3−$160,836454,475Direct
May 13, 2026Common StockSSaleDisposed−2,984$124.71F4−$372,134.64451,491Direct
May 13, 2026Common StockSSaleDisposed−1,388$125.58F5−$174,305.04450,103Direct
May 13, 2026Common StockSSaleDisposed−398$126.59F6−$50,382.82449,705Direct
May 13, 2026Common StockSSaleDisposed−100$127.47−$12,747449,605Direct
May 13, 2026Common StockSSaleDisposed−700$128.52F7−$89,964448,905Direct
May 13, 2026Common StockSSaleDisposed−700$129.33F8−$90,531448,205Direct
May 13, 2026Common StockSSaleDisposed−200$130.57−$26,114448,005Direct
May 13, 2026Common StockSSaleDisposed−200$132.63−$26,526447,805Direct
May 13, 2026Common StockSSaleDisposed−66$135.73−$8,958.18447,739Direct
May 13, 2026Common StockSSaleDisposed−702$136.15−$95,577.3447,037Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F2

Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $122.23 through $123.19. Reporting person undertakes to provide, upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F3

Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $123.28 through $124.17. Reporting person undertakes to provide, upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F4

Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $124.22 through $125.20. Reporting person undertakes to provide, upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F5

Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $125.26 through $126.04. Reporting person undertakes to provide, upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F6

Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $126.37 through $127.14. Reporting person undertakes to provide, upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F7

Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $128.37 through $129.07. Reporting person undertakes to provide, upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

F8

Price represents the weighted average sale price for the transaction reported. Price range of shares sold is $129.22 through $129.42. Reporting person undertakes to provide, upon request by the SEC staff or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.

Referenced by the price of 1 transaction in Table I.

Read the full filing on SEC EDGAR (opens in a new tab)