Cabot Corp (CBT) CEO granted 256 phantom stock units as dividend credit

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Cabot Corp President and CEO Sean D. Keohane reported an acquisition of phantom stock units as part of his deferred compensation. On the transaction date, he was credited with 256.0140 phantom stock units tied to Cabot common stock at a reference price of $87.65 per unit.

According to the footnotes, these units represent dividends paid on previously acquired phantom stock units under the company’s Supplemental 401(k) Plan. They are scheduled to be settled in Cabot common stock when he retires or otherwise leaves the company. Following this credit, his phantom stock balance reported in this plan is 47,747.2951 units.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Keohane Sean D

Role President and CEO

Type	Security	Shares	Price	Value
Grant/Award	Phantom Stock Units	256.014	$87.65	$22K

Holdings After Transaction: Phantom Stock Units — 47,747.295 shares (Direct, null)

Footnotes (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.

Key Figures

Phantom stock units granted: 256.0140 units Reference price per unit: $87.65 per unit Phantom units after transaction: 47,747.2951 units +1 more

4 metrics

Phantom stock units granted 256.0140 units Dividend equivalents credited on phantom stock units

Reference price per unit $87.65 per unit Transaction price for phantom stock units

Phantom units after transaction 47,747.2951 units Total phantom stock units held after grant

Conversion ratio 1 for 1 Each phantom stock unit corresponds to one Cabot common share

Key Terms

Phantom Stock Units, Supplemental 401(k) Plan, Grant, award, or other acquisition

3 terms

Phantom Stock Units financial

"Represents dividends paid on phantom stock units acquired under the Corporation's Supplemental 401(k) Plan"

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 settled upon the reporting person's retirement"

Grant, award, or other acquisition financial

"transaction_code_description: Grant, award, or other acquisition"

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Form 4 Insider Transactions: What Each Field Means →

06/16/2026 - 04:30 PM

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^*

Keohane Sean D

(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
X	Officer (give title below)	Other (specify below)
	President and CEO

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/12/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Phantom Stock Units	⁽¹⁾	06/12/2026		A		256.014		⁽²⁾	⁽²⁾	Common Stock	256.014	$87.65	47,747.2951	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 Sean D. Keohane	06/16/2026
	** 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)

Source: View Original Filing on SEC EDGAR

FAQ

What did Cabot Corp (CBT) CEO Sean Keohane report in this Form 4?

Sean Keohane reported receiving 256.0140 phantom stock units. These units represent dividend equivalents on prior phantom stock holdings in Cabot’s Supplemental 401(k) Plan and will be settled in common stock at retirement or termination.

Is the Cabot Corp (CBT) CEO’s Form 4 a stock purchase or sale?

The filing shows no open-market purchase or sale. It reports a grant-type acquisition of phantom stock units credited as dividend equivalents within a deferred compensation plan, not a cash transaction in Cabot’s common stock on the market.

How many phantom stock units does the Cabot (CBT) CEO hold after this transaction?

After the transaction, Sean Keohane’s reported balance in phantom stock units under the Supplemental 401(k) Plan is 47,747.2951 units, each designed to track the value of one share of Cabot common stock on a one-for-one basis.

What are phantom stock units in Cabot Corp’s (CBT) Supplemental 401(k) Plan?

Phantom stock units are bookkeeping entries that mirror Cabot’s common stock value. Under the Supplemental 401(k) Plan, units accumulate, including dividend equivalents, and are ultimately settled in Cabot common shares when the executive retires or otherwise leaves employment.

When will Sean Keohane receive actual Cabot (CBT) shares from these phantom units?

The footnotes state the phantom stock units will be settled upon his retirement or other termination of employment. At that time, the accumulated phantom units are expected to convert into Cabot common stock under the terms of the Supplemental 401(k) Plan.