Cabot Corp (CBT): Insider acquired 72.833 phantom units at $76.05

Karen A. Kalita, SVP and General Counsel of Cabot Corporation (CBT), acquired 72.833 phantom stock units on 09/30/2025 at an attributed price of $76.05 per unit.

Rhea-AI Filing Summary

Karen A. Kalita, SVP and General Counsel of Cabot Corporation (CBT), acquired 72.833 phantom stock units on 09/30/2025 at an attributed price of $76.05 per unit. The units were granted under the Corporation's supplemental 401(k) plan and are designated to be settled upon the reporting person's retirement or other termination of service. Following this transaction, Ms. Kalita beneficially owns 4,296.5566 shares (reported basis). The Form 4 was signed under power of attorney by Mazda Cintron on 10/02/2025.

Positive

• Acquisition of 72.833 phantom units increases insider alignment with shareholders
• Units granted under supplemental 401(k), indicating compensation/retirement benefit structure

Negative

• None.

Insider Trade Summary

Grant/Award: 72.833 shares

Grant/Award 1 txn

Insider Kalita Karen A

Role SVP and General Counsel

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock Units	72.833	$76.05	$6K

Holdings After Transaction: Phantom Stock Units — 4,296.5566 contracts (Direct)

Footnotes (2)

1. F1. 1 for 1
2. F2. 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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction was reported for Cabot Corp (CBT)?

Karen A. Kalita acquired 72.833 phantom stock units on 09/30/2025 as reported on Form 4.

At what price were the phantom stock units reported?

The Form 4 lists an attributed price of $76.05 per unit.

How many shares does Karen A. Kalita beneficially own after the transaction?

The filing reports beneficial ownership of 4,296.5566 shares following the transaction.

Under what plan were the phantom units granted?

The phantom stock units were acquired under Cabot Corporation's supplemental 401(k) plan.

When will the phantom stock units be settled?

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

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

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Accepted by SEC EDGAR 10/02/2025 - 04:40 PM EDT 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).

1. Name and Address of Reporting Person^*

Kalita Karen A

(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)
	SVP and General Counsel

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2025

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)	09/30/2025		A		72.833		(2)	(2)	Common Stock	72.833	$76.05	4,296.5566	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 Karen A. Kalita	10/02/2025
	** 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.