Cabot Corp (CBT) director reports 2,298-share deferred stock award on Form 4

Rhea-AI Filing Summary

Cabot Corporation director Frank Anders Wilson reported an acquisition of company stock under a deferred compensation arrangement. On January 8, 2026, he acquired 2,298 shares of Cabot common stock at a stated price of $0 per share, bringing his directly held beneficial ownership to 18,552 shares. The filing explains that these shares have been deferred pursuant to Cabot's Non-Employee Directors' Deferral Plan, meaning the award is tied to his service as a non-employee director rather than an open-market purchase.

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

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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^*

Wilson Frank Anders

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
01/08/2026

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	01/08/2026		A		2,298(1)	A	$0	18,552	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. The shares have been deferred pursuant to Cabot's Non-Employee Directors' Deferral Plan.

	By: Jennifer Lombardi, pursuant to a power of attorney from Frank A. Wilson	01/12/2026
	** 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).
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FAQ

What insider transaction did Cabot Corp (CBT) disclose for director Frank Anders Wilson?

Cabot Corp reported that director Frank Anders Wilson acquired 2,298 shares of Cabot common stock on January 8, 2026, as shown in a Form 4 filing.

At what price were the new Cabot Corp (CBT) shares allocated to Frank Anders Wilson?

The Form 4 states that the 2,298 Cabot common shares were acquired at a reported price of $0 per share in connection with a director deferral arrangement.

How many Cabot Corp (CBT) shares does Frank Anders Wilson own after this transaction?

Following the reported transaction, Frank Anders Wilson beneficially owns 18,552 shares of Cabot Corp common stock in direct form.

What is Cabot's Non-Employee Directors' Deferral Plan mentioned in the Form 4?

The Form 4 notes that the 2,298 shares have been deferred pursuant to Cabot's Non-Employee Directors' Deferral Plan, meaning they are awarded under a program for non-employee directors rather than through a cash purchase.

Is Frank Anders Wilson a 10% owner of Cabot Corp (CBT)?

No. The Form 4 indicates that Frank Anders Wilson is a director of Cabot Corp and is not reported as a 10% owner.

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

The filing is marked as Form filed by One Reporting Person, covering only Frank Anders Wilson.