Cabot Corporation insider details 671-share award and 219-share sale

Rhea-AI Filing Summary

Cabot Corporation (CBT) reported an insider equity transaction by its Senior Vice President on a Form 4. On 11/19/2025, the officer acquired 671 shares of Cabot common stock at a reported price of $0, reflecting performance-based units earned for fiscal year 2025, with a portion still subject to time-based vesting. On the same date, 219 shares were disposed of at $59.76, typically consistent with shares withheld or sold to cover taxes. After these transactions, the officer directly owns 13,496 Cabot shares.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Wood Matthew Forster

Role Senior Vice President

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	671	$0.00	--
Tax Withholding	Common Stock	219	$59.76	$13K

Holdings After Transaction: Common Stock — 13,715 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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^*

Wood Matthew Forster

(Last) (First) (Middle)

C/O CABOT CORPORATION

TWO SEAPORT LANE

(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)
	Senior Vice President

3. Date of Earliest Transaction (Month/Day/Year)
11/19/2025

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	11/19/2025		A		671(1)	A	$0	13,715	D
Common Stock	11/19/2025		F		219	D	$59.76	13,496	D

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:

1. Consists of performance based units earned on the basis of the Corporation's performance in fiscal year 2025, of which 477 remain subject to time-based vesting.

	By: Jennifer Lombardi, pursuant to a power of attorney from Matthew F. Wood	11/21/2025
	** 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.

FAQ

What insider transaction did Cabot (CBT) disclose on this Form 4?

Cabot disclosed that a Senior Vice President reported acquiring 671 shares of common stock and disposing of 219 shares in transactions dated 11/19/2025.

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

The reporting person is a Senior Vice President of Cabot Corporation, with the Form 4 signed by Jennifer Lombardi pursuant to a power of attorney from Matthew F. Wood.

How many Cabot (CBT) shares does the insider own after the reported Form 4 transactions?

Following the reported transactions, the Senior Vice President directly owns 13,496 shares of Cabot common stock.

What is the nature of the 671 Cabot (CBT) shares reported as acquired?

The 671 shares consist of performance-based units earned based on Cabot’s fiscal year 2025 performance, of which 477 units remain subject to time-based vesting conditions.

At what prices were the Cabot (CBT) Form 4 transactions reported?

The 671 acquired shares were reported at a price of $0, while the 219 disposed shares were reported at $59.76 per share.

Is the Cabot (CBT) Form 4 filed for one or multiple reporting persons?

The Form 4 is indicated as being filed by one reporting person, not by a group.