Cabot CFO awarded 61 phantom stock units

Cabot Corp’s CFO received additional phantom stock units as dividend equivalents under a deferred compensation plan, increasing her deferred holdings.

Rhea-AI Filing Summary

CABOT CORP (CBT) reported that Executive Vice President and CFO Erica McLaughlin acquired 61.0845 Phantom Stock Units on September 11, 2026 as a grant under a compensation plan. These units are credited 1-for-1 with Cabot common stock and reflect dividends on prior phantom stock units, to be settled after retirement or other termination of employment. Following this award, she holds 10,362.0644 Phantom Stock Units directly.

Insider Trade Summary

Grant/Award: 61.0845 shares

Grant/Award 1 txn

Insider McLaughlin Erica

Role Executive Vice President, CFO

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock Units F1, F2	61.0845	$79.68	$5K

Holdings After Transaction: Phantom Stock Units — 10,362.0644 contracts (Direct)

Footnotes (2)

1. F1. 1 for 1
2. F2. 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.

Key Figures

Phantom Stock Units acquired: 61.0845 units Per-unit price for Phantom Stock Units: $79.68 per unit Total Phantom Stock Units after transaction: 10,362.0644 units +1 more

4 metrics

Phantom Stock Units acquired 61.0845 units Grant/award to CFO on September 11, 2026

Per-unit price for Phantom Stock Units $79.68 per unit Value reported for the September 11, 2026 phantom stock grant

Total Phantom Stock Units after transaction 10,362.0644 units CFO’s direct phantom stock unit balance following the grant

Underlying security shares 61.0845 shares Common stock equivalent underlying the new Phantom Stock Units

Key Terms

Phantom Stock Units, Supplemental 401(k) Plan, dividends paid

3 terms

Phantom Stock Units financial

"Represents dividends paid on phantom stock units acquired under the Corporation's"

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.

Supplemental 401(k) Plan financial

"acquired under the Corporation's Supplemental 401(k) Plan and are to be"

dividends paid financial

"Represents dividends paid on phantom stock units acquired under the"

FAQ

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

What insider transaction did CABOT CORP (CBT) disclose for CFO Erica McLaughlin?

CABOT CORP disclosed that CFO Erica McLaughlin acquired 61.0845 Phantom Stock Units on September 11, 2026 as a grant or award, increasing her direct phantom stock unit holdings under a company plan.

How many Phantom Stock Units does the CABOT CORP (CBT) CFO hold after this Form 4 transaction?

After the reported transaction, CFO Erica McLaughlin holds 10,362.0644 Phantom Stock Units directly, representing deferred compensation linked 1-for-1 to Cabot common stock and payable after retirement or other termination of employment.

What is the nature of the Phantom Stock Units reported by CABOT CORP (CBT)?

The Phantom Stock Units are 1-for-1 units linked to Cabot common stock. The reported 61.0845 units represent dividends paid on phantom stock units acquired under the Corporation's Supplemental 401(k) Plan and are to be settled upon retirement or other termination of employment.

What price per unit is associated with the CABOT CORP (CBT) phantom stock grant?

The reported transaction lists a price of $79.68 per Phantom Stock Unit for the 61.0845 units credited on September 11, 2026, reflecting the value used for this phantom stock grant or award under the compensation plan.

Was the CABOT CORP (CBT) CFO’s Form 4 transaction under a Rule 10b5-1 trading plan?

No. The Form 4 indicates the Rule 10b5-1 checkbox is not checked, and there is no footnote stating that the September 11, 2026 phantom stock unit grant occurred under a Rule 10b5-1 trading plan.

When will the CABOT CORP (CBT) Phantom Stock Units be settled for the CFO?

The footnote states that the Phantom Stock Units, including the 61.0845 units from this transaction, are to be settled upon the reporting person's retirement or other termination of employment, consistent with the terms of the Supplemental 401(k) Plan.

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

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Available on EDGAR 09/14/2026 - 05:02 PM Accepted by SEC EDGAR 09/14/2026 - 05:00 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^*

McLaughlin Erica

(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)
	Executive Vice President, CFO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/11/2026

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)	09/11/2026		A		61.0845		(2)	(2)	Common Stock	61.0845	$79.68	10,362.0644	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 Erica McLaughlin	09/14/2026
	** 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)