Cabot (CBT) SVP and General Counsel granted 33.98 phantom stock units

Rhea-AI Filing Summary

Kalita Karen A reported acquisition or exercise transactions in this Form 4 filing.

CABOT CORP senior vice president and general counsel Karen A. Kalita received an automatic award of 33.9804 phantom stock units on Common Stock. These units were credited on the basis of dividends paid under the corporation's Supplemental 401(k) Plan and are part of her deferred compensation.

After this grant, Kalita holds a total of 5,281.3196 phantom stock units. Each phantom unit is linked 1-for-1 to a share of Cabot common stock and is scheduled to be settled in stock or cash only when she retires or otherwise leaves the company.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Kalita Karen A

Role SVP and General Counsel

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock Units	33.98	$69.49	$2K

Holdings After Transaction: Phantom Stock Units — 5,281.32 shares (Direct)

Footnotes (1)

1. 1 for 1 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.

Form 4 Insider Transactions: What Each Field Means →

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 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)
03/13/2026

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

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)	03/13/2026		A		33.9804		(2)	(2)	Common Stock	33.9804	$69.49	5,281.3196	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 Karen A. Kalita	03/17/2026
	** 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 Karen A. Kalita?

CABOT CORP reported that SVP and general counsel Karen A. Kalita received 33.9804 phantom stock units. These units were credited as dividend equivalents under the Supplemental 401(k) Plan, adding to her deferred compensation balance rather than representing an open-market purchase or sale.

How many phantom stock units does Karen A. Kalita hold after this CABOT CORP Form 4?

After this transaction, Karen A. Kalita holds 5,281.3196 phantom stock units. This total reflects her accumulated deferred compensation tied 1-for-1 to Cabot common shares, to be settled only upon retirement or another employment termination event, not during ongoing service.

What is the nature of the phantom stock unit award reported by CABOT CORP (CBT)?

The award represents 33.9804 phantom stock units granted as dividend equivalents on units previously acquired under the Supplemental 401(k) Plan. It is classified as a grant or award acquisition, not a market trade, and forms part of long-term deferred compensation for the executive.

When will Karen A. Kalita’s CABOT CORP phantom stock units be settled?

The phantom stock units are scheduled to be settled upon Karen A. Kalita’s retirement or other termination of employment. Until that time, they function as deferred compensation, tracking Cabot’s common stock on a 1-for-1 basis without immediate delivery of actual shares.

What does 1-for-1 mean for CABOT CORP phantom stock units in this filing?

The 1-for-1 reference means each phantom stock unit corresponds to one share of CABOT CORP common stock. While no actual shares are delivered now, the units’ value mirrors common stock performance and will be settled in stock or cash when the executive leaves the company.

Was this CABOT CORP (CBT) Form 4 a buy or sell in the open market?

This Form 4 does not show an open-market buy or sell. Instead, it records an automatic grant of phantom stock units as dividend equivalents within a Supplemental 401(k) Plan, reflecting compensation-related accruals rather than an active trading decision by the executive.