Cabot counsel Kalita delivers or withholds 1,431 shares

Available on EDGAR 11/12/2026 - 09:06 AM EST Accepted by SEC EDGAR 11/12/2026 - 09:05 AM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Cabot Corp (CBT) SVP and General Counsel Karen A. Kalita reported that 1,431 common shares were delivered or withheld for payment of exercise price or tax liability on November 10, 2026, at a reported transaction price of $72.19 per share. Her direct holding following the transaction was 43,811 shares; she also reported 610 shares held indirectly through the trustee of the corporation’s 401(k) plan.

Insider Trade Summary

Exercise Price or Tax Liability: 1,431 shares

Exercise Price or Tax Liability 1 txn

Insider Kalita Karen A

Role SVP and General Counsel

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	1,431	$72.19	$103K
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 43,811 shares (Direct); Common Stock — 610.3258 shares (Indirect, Through the Trustee for the Corporations's 401(k) Plan)

Holdings Before and After: Common Stock, 45,242 to 43,811 shares (Direct)

Key Figures

Shares delivered or withheld: 1,431 shares Reported transaction price: $72.19 per share Direct shares following transaction: 43,811 shares +1 more

4 metrics

Shares delivered or withheld 1,431 shares November 10, 2026; payment of exercise price or tax liability

Reported transaction price $72.19 per share November 10, 2026

Direct shares following transaction 43,811 shares Reported November 10, 2026

Indirect shares through 401(k) Plan 610 shares Reported November 10, 2026

Key Terms

exercise price or tax liability, indirect ownership, 401(k) Plan

3 terms

exercise price or tax liability financial

"payment of exercise price or tax liability by delivering or withholding securities"

indirect ownership financial

"Through the Trustee for the Corporations's 401(k) Plan"

401(k) Plan financial

"Through the Trustee for the Corporations's 401(k) Plan"

A 401(k) plan is a workplace retirement account that lets employees set aside part of their pay into a tax-advantaged savings pot, often with employers adding matching contributions — like a workplace piggy bank for future income. It matters to investors because the amount people save and how employers fund these plans influence consumer spending, corporate payroll costs and the flow of money into financial markets, which can affect stock prices and company valuations.

FAQ

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How many CBT shares did Karen A. Kalita deliver or withhold?

Karen A. Kalita reported 1,431 common shares delivered or withheld for payment of exercise price or tax liability on November 10, 2026, at a reported transaction price of $72.19 per share. Her direct holding afterward was 43,811 shares. No Rule 10b5-1 plan is reported.

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

Form 4 Insider Transactions: What Each Field Means →

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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^*

Kalita Karen A

(Last) (First) (Middle)

C/O CABOT CORPORATION

TWO SEAPORT LANE, SUITE 1400

(Street)

BOSTON MASSACHUSETTS 02210

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
11/10/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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	11/10/2026		F		1,431	D	$72.19	43,811	D
Common Stock								610.3258	I	Through the Trustee for the Corporations's 401(k) Plan

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:

	By: Mazda Cintron, pursuant to a power of attorney from Karen A. Kalita	11/11/2026
	** 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.
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.
* Form 4: SEC 1474 (03-26)