Cabot Corp (CBT) CFO reports phantom stock unit acquisition in Form 4 filing

Rhea-AI Filing Summary

Cabot Corporation Executive Vice President and CFO Erica McLaughlin reported a routine change in her deferred equity holdings. On 12/31/2025, she acquired 1,034.5426 phantom stock units linked to Cabot common stock under the company’s supplemental 401(k) plan at a reference price of $66.28 per unit. Each phantom stock unit represents one share of Cabot common stock and is designed to mirror the stock’s value over time. After this transaction, she beneficially owned 10,179.8254 derivative securities in the form of phantom stock units, all held directly. These units are scheduled to be settled in Cabot common stock upon her retirement or other termination of service, reflecting long-term, retirement-focused compensation rather than an open-market trade.

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)
12/31/2025

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)	12/31/2025		A		1,034.5426		(2)	(2)	Common Stock	1,034.5426	$66.28	10,179.8254	D

Explanation of Responses:

1. 1 for 1

2. 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.

	By: Mazda Cintron, pursuant to a power of attorney from Erica McLaughlin	01/05/2026
	** 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.
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FAQ

What insider transaction did Cabot Corp (CBT) report for its CFO?

Cabot Corp reported that Executive Vice President and CFO Erica McLaughlin acquired 1,034.5426 phantom stock units linked to Cabot common stock on 12/31/2025 under the company’s supplemental 401(k) plan.

What are the terms of the phantom stock units reported by Cabot Corp (CBT)?

Each phantom stock unit is a 1-for-1 equivalent to a Cabot common share and was recorded at a reference price of $66.28 per unit, tracking the value of the underlying stock.

How many phantom stock units does the Cabot Corp (CBT) CFO own after this transaction?

Following the reported acquisition, the CFO beneficially owned 10,179.8254 derivative securities in the form of phantom stock units, held directly.

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

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

Is the Cabot Corp (CBT) CFO’s transaction part of a retirement or savings plan?

Yes. The filing states that the phantom stock units were acquired under Cabot’s supplemental 401(k) plan, indicating a retirement-oriented compensation arrangement rather than a market trade.

What role does the reporting person hold at Cabot Corp (CBT)?

The reporting person, Erica McLaughlin, serves as Cabot Corp’s Executive Vice President and Chief Financial Officer.