Lisa M. Dumont - 19 Nov 2025 Form 4 Insider Report for CABOT CORP (CBT)

Reporting relationship: VP, Controller & CAO
Issuer ticker: CBT
Reported as of: 19 Nov 2025
Net transaction value: -$11,952
SEC form: 4
Accepted by SEC: 21 Nov 2025, 17:00:13 UTC
Prior SEC filing: 12 Nov 2025
Next SEC filing: 16 Dec 2025
Source filing: View source filing
Reporting owner signature: By: Jennifer Lombardi, pursuant to a power of attorney from Lisa M. Dumont

Key filing fact

Lisa M. Dumont filed Form 4 for CABOT CORP (CBT) on 21 Nov 2025.

Key facts

This page summarizes Lisa M. Dumont's Form 4 filing for CABOT CORP (CBT).
3 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 21 Nov 2025, 17:00.

Change

Previous filing in this sequence was filed on 12 Nov 2025.
Current net transaction value: -$11,952.

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 0001800538 Primary reporting owner

Dumont Lisa M

Relationship: VP, Controller & CAO
Address: C/O CABOT CORPORATION, TWO SEAPORT LANE, SUITE 1400, BOSTON
Signature: By: Jennifer Lombardi, pursuant to a power of attorney from Lisa M. Dumont
Signature date: 21 Nov 2025

Reported non-derivative transactions

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

CBT transaction

Common Stock

Award

Transaction value: $0
Shares: +1,606
Change %: +17%
Price: $0.000000
Shares after: 11,014
Date: 19 Nov 2025
Ownership: Direct

CBT transaction

Common Stock

Award

Transaction value: $0
Shares: +901
Change %: +8.2%
Price: $0.000000
Shares after: 11,915
Date: 19 Nov 2025
Ownership: Direct
Footnotes: F1

CBT transaction

Common Stock

Tax liability

Transaction value: $11,952
Shares: -200
Change %: -1.7%
Price: $59.76
Shares after: 11,715
Date: 19 Nov 2025
Ownership: Direct

CBT holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,599
Date: 19 Nov 2025
Ownership: Through the Trustee for the Corporation's 401(k) Plan

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Consists of performance based units earned on the basis of the Corporation's performance in fiscal year 2025, of which 637 remain subject to time-based vesting.