Cabot director Raffiq Nathoo receives stock award

The phantom stock is settled in cash upon termination of director service or under the director’s distribution election, whichever occurs first.

Rhea-AI Filing Summary

Cabot Corp. director Raffiq Nathoo received 360.8113 Phantom Stock Units as an award on September 30, 2026, with a reported price of $76.9100 per unit. His reported direct position afterward was 2,249.8641 Phantom Stock Units. The units correspond 1 for 1 to Common Stock. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Grant/Award: 360.8113 shares

Grant/Award 1 txn

Insider Nathoo Raffiq

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock Units F1, F2	360.8113	$76.91	$28K

Holdings After Transaction: Phantom Stock Units — 2,249.8641 contracts (Direct)

Footnotes (2)

1. F1. 1 for 1
2. F2. The phantom stock will be settled in cash either upon the reporting person's termination of service as a director or in accordance with the distribution election of the reporting person, whichever first occurs.

Key Figures

Awarded Phantom Stock Units: 360.8113 Phantom Stock Units Reported price per unit: $76.9100 per Phantom Stock Unit Direct position following award: 2,249.8641 Phantom Stock Units

3 metrics

Awarded Phantom Stock Units 360.8113 Phantom Stock Units Award to director Raffiq Nathoo on September 30, 2026

Reported price per unit $76.9100 per Phantom Stock Unit September 30, 2026 award

Direct position following award 2,249.8641 Phantom Stock Units Reported position after the September 30, 2026 transaction

Key Terms

Phantom Stock Units, distribution election, settled in cash

3 terms

Phantom Stock Units technical

"360.8113 Phantom Stock Units"

Phantom stock units are company promises that pay a cash or stock-equivalent award tied to the firm’s share price or value growth, but they do not issue actual shares. Think of them as a bonus check that moves with the stock like a mirror rather than handing over an ownership slice. Investors care because these awards can affect a company’s future cash obligations, executive incentives and reported expenses without causing share dilution.

distribution election financial

"in accordance with the distribution election"

settled in cash financial

"The phantom stock will be settled in cash"

FAQ

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

How many CBT phantom stock units did director Raffiq Nathoo receive?

Raffiq Nathoo, a Cabot Corp. director, received 360.8113 Phantom Stock Units as an award on September 30, 2026, with a reported price of $76.9100 per unit. His reported direct position afterward was 2,249.8641 Phantom Stock Units, and no Rule 10b5-1 plan is reported.

When will CBT phantom stock units be settled?

The phantom stock will be settled in cash either upon Raffiq Nathoo’s termination of service as a director or in accordance with his distribution election, whichever first occurs.

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

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Available on EDGAR 10/01/2026 - 03:46 PM Accepted by SEC EDGAR 10/01/2026 - 03:46 PM 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).

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^*

Nathoo Raffiq

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2026

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

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)	09/30/2026		A		360.8113		(2)	(2)	Common Stock	360.8113	$76.91	2,249.8641	D

Explanation of Responses:

1. 1 for 1

2. The phantom stock will be settled in cash either upon the reporting person's termination of service as a director or in accordance with the distribution election of the reporting person, whichever first occurs.

	By: Mazda Cintron, pursuant to a power of attorney from Raffiq Nathoo	10/01/2026
	** 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)