Celeste B. Mastin - 07 Apr 2026 Form 4 Insider Report for FULLER H B CO (FUL)

Reporting relationship
President and CEO, Director
Issuer ticker
FUL
Reported as of
07 Apr 2026
Net transaction value
+$295,104
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
07 Apr 2026, 16:57:04 UTC
Prior SEC filing
29 Jan 2026
Next SEC filing
09 Jun 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Patrick J. Seul, Attorney-in-Fact

Key filing fact

Celeste B. Mastin filed Form 4 for FULLER H B CO (FUL) on 07 Apr 2026.

Key facts

  • This page summarizes Celeste B. Mastin's Form 4 filing for FULLER H B CO (FUL).
  • 1 reported transaction and 8 derivative rows are listed below.
  • Accepted by SEC: 07 Apr 2026, 16:57.

Change

  • Previous filing in this sequence was filed on 29 Jan 2026.
  • Current net transaction value: +$295,104.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001297394 Primary reporting owner

Mastin Celeste Beeks

Relationship
President and CEO, Director
Address
1200 WILLOW LAKE BOULEVARD, P.O. BOX 64683, ST. PAUL
Signature
/s/ Patrick J. Seul, Attorney-in-Fact
Signature date
07 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

FUL transaction

Common Stock

Purchase

Transaction value
$295,104
Shares
+5,170
Change %
+148%
Price
$57.08
Shares after
8,670
Date
07 Apr 2026
Ownership
By Revocable Trust
FUL holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
32,873
Date
07 Apr 2026
Ownership
Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

FUL holding Derivative

Employee Stock Option (Right-to-Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
202,009
Date
07 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
202,009
Exercise price
$59.81
Footnotes
F1
FUL holding Derivative

Employee Stock Option (Right-to-Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
135,135
Date
07 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
135,135
Exercise price
$64.28
Footnotes
F1
FUL holding Derivative

Employee Stock Option (Right-to-Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
25,667
Date
07 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
25,667
Exercise price
$67.55
Footnotes
F2
FUL holding Derivative

Employee Stock Option (Right-to-Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
72,261
Date
07 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
72,261
Exercise price
$68.17
Footnotes
F2
FUL holding Derivative

Employee Stock Option (Right-to-Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
103,228
Date
07 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
103,228
Exercise price
$77.72
Footnotes
F1
FUL holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
6,052
Date
07 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
6,052
Exercise price
$0.000000
Footnotes
F3, F4, F5
FUL holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
29,905
Date
07 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
29,905
Exercise price
$0.000000
Footnotes
F3, F4, F5
FUL holding Derivative

Restricted Stock Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
16,168
Date
07 Apr 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
16,168
Exercise price
$0.000000
Footnotes
F3, F4, F5
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

This option vests in three annual installments (33%, 33%, and 34%) beginning on the date shown.

Footnote F2

This option is 100% vested.

Footnote F3

These restricted stock units convert into shares of common stock on a 1-for-1 basis.

Footnote F4

These restricted stock units vest in three annual installments (33%, 33%, and 34%) beginning on the date shown.

Footnote F5

Amount includes restricted stock units acquired pursuant to a dividend equivalent reinvestment feature.

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