Cabot Corp (NYSE: CBT) director awarded cash-settled phantom units

Rhea-AI Filing Summary

Nathoo Raffiq reported acquisition or exercise transactions in this Form 4 filing.

Cabot Corp director Raffiq Nathoo received a grant of 315.3632 Phantom Stock Units on March 31, 2026 as compensation. Each unit is tied 1-for-1 to Cabot common stock and was valued at $75.31 per unit for this award.

These Phantom Stock Units are settled in cash, not shares, and will be paid either when Nathoo’s board service ends or according to his distribution election, whichever happens first. After this grant, he holds a total of 1,607.7435 Phantom Stock Units, reflecting deferred, cash-settled exposure to Cabot’s share value rather than an open-market stock purchase or sale.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Nathoo Raffiq

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock Units	315.363	$75.31	$24K

Holdings After Transaction: Phantom Stock Units — 1,607.744 shares (Direct)

Footnotes (1)

1. 1 for 1 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

Phantom Stock Units granted: 315.3632 units Grant valuation reference price: $75.31 per unit Total Phantom Stock Units after grant: 1,607.7435 units +2 more

5 metrics

Phantom Stock Units granted 315.3632 units Grant on March 31, 2026

Grant valuation reference price $75.31 per unit Phantom Stock Units award

Total Phantom Stock Units after grant 1,607.7435 units Director’s balance following transaction

Conversion ratio 1 for 1 Each Phantom Stock Unit corresponds to one share of common stock

Exercise price $0.00 Phantom Stock Units have no exercise price

Key Terms

Phantom Stock Units, grant/award acquisition, cash settled, distribution election

4 terms

Phantom Stock Units financial

"security_title: "Phantom Stock Units" and described as cash-settled compensation"

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.

grant/award acquisition financial

"transaction_action: "grant/award acquisition" for the Form 4 transaction"

cash settled financial

"The phantom stock will be settled in cash either upon the reporting person's termination"

A contract described as cash settled is one where, at the end, one party pays the monetary difference in value rather than delivering the actual underlying asset. For investors this matters because it simplifies transactions (like settling a bet by paying the win amount instead of handing over a physical item), affects liquidity and timing of cash flows, and changes exposure to storage, delivery logistics and certain tax or counterparty considerations.

distribution election financial

"or in accordance with the distribution election of the reporting person, whichever first occurs"

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^*

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)
03/31/2026

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)	03/31/2026		A		315.3632		(2)	(2)	Common Stock	315.3632	$75.31	1,607.7435	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: Jennifer Lombardi, pursuant to a power of attorney from Raffiq Nathoo	04/01/2026
	** 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)

FAQ

What insider transaction did Cabot Corp (CBT) report for Raffiq Nathoo?

Cabot Corp reported that director Raffiq Nathoo received a grant of 315.3632 Phantom Stock Units on March 31, 2026. This is a compensation-related award, not an open-market stock purchase or sale, and increases his deferred cash-settled exposure.

How many Phantom Stock Units does Cabot Corp (CBT) director Raffiq Nathoo now hold?

After the latest award, director Raffiq Nathoo holds 1,607.7435 Phantom Stock Units. These units track the value of Cabot’s common stock on a 1-for-1 basis but are settled in cash rather than delivering actual shares to the director.

What are Phantom Stock Units in the Cabot Corp (CBT) Form 4 filing?

The Form 4 describes Phantom Stock Units that correspond 1-for-1 with Cabot common stock. They are cash-settled awards, providing value linked to the share price, typically used as deferred compensation rather than traditional stock ownership or market trading activity.

When will Cabot Corp (CBT) settle the Phantom Stock Units granted to Raffiq Nathoo?

The filing states the Phantom Stock Units will be settled in cash either upon Nathoo’s termination of service as a director or in line with his distribution election, whichever occurs first, making them a form of deferred cash compensation tied to share value.

Did the Cabot Corp (CBT) Form 4 show any open-market stock purchases or sales?

The Form 4 shows a grant of Phantom Stock Units, classified as a derivative award with an acquisition direction. It does not report any open-market buys or sells of Cabot common shares, focusing instead on deferred, cash-settled compensation for the director.