Sean D. Keohane - 30 Jun 2026 Form 4 Insider Report for CABOT CORP (CBT)

Reporting relationship: President and CEO, Director
Issuer ticker: CBT
Reported as of: 30 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Jul 2026, 08:56:49 UTC
Prior SEC filing: 16 Jun 2026
Source filing: View source filing
Reporting owner signature: By: Mazda Cintron, pursuant to a power of attorney from Sean D. Keohane

Key filing fact

Sean D. Keohane filed Form 4 for CABOT CORP (CBT) on 02 Jul 2026.

Key facts

This page summarizes Sean D. Keohane's Form 4 filing for CABOT CORP (CBT).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 02 Jul 2026, 08:56.

Change

Previous filing in this sequence was filed on 16 Jun 2026.
Current net transaction value: $0.

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 0001435737 Primary reporting owner

Keohane Sean D

Relationship: President and CEO, Director
Address: C/O CABOT CORPORATION, TWO SEAPORT LANE, SUITE 1400, BOSTON
Signature: By: Mazda Cintron, pursuant to a power of attorney from Sean D. Keohane
Signature date: 01 Jul 2026

Reported derivative securities

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

CBT transaction Derivative

Phantom Stock Units

Award

Transaction value
Shares: +84
Change %: +0.18%
Price: $90.82^*
Shares after: 47,831
Date: 30 Jun 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 84
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

1 for 1

Footnote F2

The reported phantom stock units were acquired under the Corporation's supplemental 401(k) plan and are to be settled upon the reporting person's retirement or other termination of service.