Cabot director Cynthia Arnold acquires 2,298 company shares

Cabot Corporation director Cynthia A. Arnold reported acquiring additional company stock.

Accepted by SEC EDGAR 01/12/2026 - 05:00 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Cabot Corporation director Cynthia A. Arnold reported acquiring additional company stock. On January 8, 2026, she acquired 2,298 shares of Cabot common stock in a transaction reported with a price of $0 per share, indicating the shares were received without cash payment, such as through an award or similar arrangement. Following this transaction, she beneficially owns 19,620 shares of Cabot common stock, held directly in her name.

Insider Trade Summary

Grant/Award: 2,298 shares

Grant/Award 1 txn

Insider Arnold Cynthia A

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	2,298	$0.00	$0.00

Holdings After Transaction: Common Stock — 19,620 shares (Direct)

Holdings Before and After: Common Stock, 17,322 to 19,620 shares (Direct)

FAQ

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

What insider transaction did Cabot Corp (CBT) report for Cynthia A. Arnold?

Cabot Corp reported that director Cynthia A. Arnold acquired 2,298 shares of the company's common stock on January 8, 2026.

At what price did Cynthia A. Arnold acquire the new Cabot (CBT) shares?

The 2,298 Cabot common shares acquired by Cynthia A. Arnold were reported at a price of $0 per share.

How many Cabot Corp (CBT) shares does Cynthia A. Arnold own after this transaction?

After the reported transaction, Cynthia A. Arnold beneficially owns 19,620 shares of Cabot Corp common stock.

Is Cynthia A. Arnold a director or officer of Cabot Corp (CBT)?

Cynthia A. Arnold is reported as a director of Cabot Corp and is not listed as an officer or 10% owner in this filing.

Is Cynthia A. Arnold's ownership in Cabot Corp (CBT) direct or indirect?

The filing shows her 19,620 Cabot common shares are held with direct ownership.

Was the Cabot (CBT) insider transaction made under a Rule 10b5-1 trading plan?

The form includes a checkbox for transactions made under a Rule 10b5-1(c) plan, but the provided content does not indicate that this box was selected for the reported acquisition.

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

Form 4 Insider Transactions: What Each Field Means →

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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^*

Arnold Cynthia 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)

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

3. Date of Earliest Transaction (Month/Day/Year)
01/08/2026

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
Common Stock	01/08/2026		A		2,298	A	$0	19,620	D

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

Explanation of Responses:

	By: Jennifer Lombardi, pursuant to a power of attorney from Cynthia A. Arnold	01/12/2026
	** 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.