[Form 4] CARPENTER TECHNOLOGY CORP Insider Trading Activity

Rhea-AI Filing Summary

Carpenter Technology (CRS) director reported an automatic option exercise of 3,433 shares at $34.76 on October 13, 2025. A separate transaction with code F recorded a disposition of 494 shares at $241.99 the same day. Following these transactions, the director beneficially owns 26,339 shares directly.

The option was originally granted on 10/13/2016 and, per the award terms, was automatically exercised on the last business day before its 10/13/2025 expiration.

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

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

WARD JR STEPHEN M

(Last) (First) (Middle)

CARPENTER TECHNOLOGY CORPORATION

1735 MARKET STREET, 15TH FL

(Street)

PHILADELPHIA PA 19103

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CARPENTER TECHNOLOGY CORP [ CRS ]

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)
10/13/2025

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	10/13/2025		M		3,433	A	$34.76	26,833	D
Common Stock	10/13/2025		F		494	D	$241.99	26,339	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
Director Stock Option (Right to Buy)	$34.76	10/13/2025		M(1)			3,433	10/13/2016	10/13/2025	Common Stock	3,433	(2)	0	D

Explanation of Responses:

1. Automatic Exercise completed on last business day before expiration pursuant to terms contained in the Award Agreement.

2. The reporting person was granted an option to purchase stock under the Carpenter Technology Corporation Stock Based Compensation Plan for Non-Employee Directors.

	James D. Dee/POA	10/15/2025
	** 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).
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