Cabot (CBT) officer: 358 shares withheld at $61.41 (Form 4)

Cabot Corp (CBT) officer reported a tax withholding transaction.

Rhea-AI Filing Summary

Cabot Corp (CBT) officer reported a tax withholding transaction. On 11/11/2025, 358 shares of common stock were withheld (Transaction Code F) at $61.41 per share to satisfy tax obligations tied to equity compensation. Following the transaction, the officer directly beneficially owned 9,408 shares. In addition, 1,598.5907 shares were held indirectly through the trustee for the corporation's 401(k) plan. The reporting person is identified as the company’s VP, Controller & CAO.

Insider Trade Summary

Exercise Price or Tax Liability: 358 shares

Exercise Price or Tax Liability 2 txns

Insider Dumont Lisa M

Role VP, Controller & CAO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	358	$61.41	$22K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 9,408 shares (Direct); Common Stock — 1,598.5907 shares (Indirect, Through the Trustee for the Corporation's 401(k) Plan)

FAQ

What insider transaction did Cabot (CBT) report?

A tax withholding transaction: 358 common shares were withheld (Code F) at $61.41 on 11/11/2025.

Who is the reporting person in this Cabot (CBT) Form 4?

The filing reflects an officer identified as VP, Controller & CAO; the signature indicates a power of attorney from Lisa M. Dumont.

How many Cabot (CBT) shares does the officer own after the transaction?

Direct ownership: 9,408 shares. Indirect ownership: 1,598.5907 shares through the corporation's 401(k) plan trustee.

What does Transaction Code F mean in a Form 4?

Code F indicates shares were withheld to pay taxes related to an equity award.

Does this Form 4 indicate an open market sale or purchase of Cabot stock?

No. It reports share withholding for taxes (Code F), not an open market trade.

What is the issuer in this filing and ticker?

Issuer: Cabot Corporation; Ticker: CBT.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 11/12/2025 - 01:47 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Dumont Lisa M

(Last) (First) (Middle)

C/O CABOT CORPORATION

TWO SEAPORT LANE, SUITE 1400

(Street)

BOSTON MA 02210

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CABOT CORP [ CBT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, Controller & CAO

3. Date of Earliest Transaction (Month/Day/Year)
11/11/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/11/2025		F		358	D	$61.41	9,408	D
Common Stock								1,598.5907	I	Through the Trustee for the Corporation's 401(k) Plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	By: Mazda Cintron, pursuant to a power of attorney from Lisa M. Dumont	11/12/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.