Cabot Corporation (CBT) CFO acquires dividend phantom stock units under plan

Rhea-AI Filing Summary

Cabot Corporation's Executive Vice President and CFO reported acquiring 59.8253 phantom stock units linked to Cabot common stock on 12/12/2025.

The acquisition represents dividends paid on existing phantom stock units under the Corporation's Supplemental 401(k) Plan, increasing the officer's directly held phantom stock balance to 9,145.2828 units. Each phantom stock unit is tied to one share of Cabot common stock on a 1 for 1 basis and is to be settled upon the reporting person's retirement or other termination of employment.

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
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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^*

McLaughlin Erica

(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)
	Executive Vice President, CFO

3. Date of Earliest Transaction (Month/Day/Year)
12/12/2025

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

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
Phantom Stock Units	(1)	12/12/2025		A		59.8253		(2)	(2)	Common Stock	59.8253	$68.34	9,145.2828	D

Explanation of Responses:

1. 1 for 1

2. Represents dividends paid on phantom stock units acquired under the Corporation's Supplemental 401(k) Plan and are to be settled upon the reporting person's retirement or other termination of employment.

	By: Jennifer Lombardi, pursuant to a power of attorney from Erica McLaughlin	12/16/2025
	** 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).
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FAQ

What insider transaction did Cabot Corporation (CBT) report in this filing?

The filing shows Cabot Corporation's Executive Vice President and CFO acquired 59.8253 phantom stock units linked to Cabot common stock on 12/12/2025.

How many phantom stock units does the Cabot (CBT) CFO now beneficially own?

After the reported transaction, the officer beneficially owns 9,145.2828 phantom stock units, held in a direct ownership form.

Under what plan were the Cabot (CBT) phantom stock units acquired?

The phantom stock units were acquired as dividends on existing units under the Corporation's Supplemental 401(k) Plan.

When will the Cabot (CBT) phantom stock units be settled?

The phantom stock units are to be settled upon the reporting person's retirement or other termination of employment.

What does the 1 for 1 notation mean for Cabot (CBT) phantom stock units?

The explanation notes "1 for 1", indicating each phantom stock unit corresponds to one share of Cabot common stock as the underlying security.

What is the reporting person’s role at Cabot Corporation (CBT)?

The reporting person is an Officer of Cabot Corporation, serving as Executive Vice President, CFO.