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 ^*

Thene Tony R

(Last)

(First)

(Middle)

CARPENTER TECHNOLOGY CORPORATION

1735 MARKET STREET, 15TH FL

(Street)

PHILADELPHIA

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

3. Date of Earliest Transaction (Month/Day/Year)
08/25/2026

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)
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)
Common Stock	08/25/2026		S⁽¹⁾		429	D	$ 489.332 ⁽²⁾	78,464	D
Common Stock	08/25/2026		S⁽¹⁾		2,251	D	$ 488.669 ⁽³⁾	76,213	D
Common Stock	08/25/2026		S⁽¹⁾		2,252	D	$ 487.213 ⁽⁴⁾	73,961	D
Common Stock	08/25/2026		S⁽¹⁾		6,126	D	$ 486.346 ⁽⁵⁾	67,835	D
Common Stock	08/25/2026		S⁽¹⁾		7,864	D	$ 485.171 ⁽⁶⁾	59,971	D
Common Stock	08/25/2026		S⁽¹⁾		7,053	D	$ 484.349 ⁽⁷⁾	52,918	D
Common Stock	08/25/2026		S⁽¹⁾		5,818	D	$ 483.265 ⁽⁸⁾	47,100	D
Common Stock	08/25/2026		S⁽¹⁾		8,372	D	$ 482.273 ⁽⁹⁾	38,728	D
Common Stock	08/25/2026		S⁽¹⁾		4,622	D	$ 481.303 ⁽¹⁰⁾	34,106	D
Common Stock	08/25/2026		S⁽¹⁾		6,320	D	$ 480.336 ⁽¹¹⁾	27,786	D
Common Stock	08/25/2026		S⁽¹⁾		720	D	$ 479.492 ⁽¹²⁾	27,066	D
Common Stock	08/25/2026		S⁽¹⁾		2,095	D	$ 488.74 ⁽¹³⁾	494,992	I ⁽¹⁴⁾	In Trust
Common Stock	08/25/2026		S⁽¹⁾		2,370	D	$ 487.852 ⁽¹⁵⁾	492,622	I ⁽¹⁴⁾	In Trust
Common Stock	08/25/2026		S⁽¹⁾		1,995	D	$ 486.594 ⁽¹⁶⁾	490,627	I ⁽¹⁴⁾	In Trust
Common Stock	08/25/2026		S⁽¹⁾		10,004	D	$ 485.707 ⁽¹⁷⁾	480,623	I ⁽¹⁴⁾	In Trust
Common Stock	08/25/2026		S⁽¹⁾		11,899	D	$ 484.613 ⁽¹⁸⁾	468,724	I ⁽¹⁴⁾	In Trust
Common Stock	08/25/2026		S⁽¹⁾		8,071	D	$ 483.605 ⁽¹⁹⁾	460,653	I ⁽¹⁴⁾	In Trust
Common Stock	08/25/2026		S⁽¹⁾		8,383	D	$ 482.575 ⁽²⁰⁾	452,270	I ⁽¹⁴⁾	In Trust
Common Stock	08/25/2026		S⁽¹⁾		5,800	D	$ 481.611 ⁽²¹⁾	446,470	I ⁽¹⁴⁾	In Trust
Common Stock	08/25/2026		S⁽¹⁾		4,949	D	$ 480.457 ⁽²²⁾	441,521	I ⁽¹⁴⁾	In Trust
Common Stock	08/25/2026		S⁽¹⁾		1,890	D	$ 479.888 ⁽²³⁾	439,631	I ⁽¹⁴⁾	In Trust

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)

Explanation of Responses:

1. The transactions reported in this line were undertaken by the Reporting Person for estate planning, tax planning, and financial diversification purposes.

2. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $488.980 per share to a high of $489.980 per share.

3. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $487.970 per share to a high of $488.960 per share.

4. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $486.840 per share to a high of $487.840 per share.

5. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $485.880 per share to a high of $486.820 per share.

6. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $484.800 per share to a high of $485.800 per share.

7. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $483.845 per share to a high of $484.795 per share.

8. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $482.760 per share to a high of $483.760 per share.

9. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $481.740 per share to a high of $482.740 per share.

10. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $480.710 per share to a high of $481.710 per share.

11. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $479.710 per share to a high of $480.700 per share.

12. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $479.330 per share to a high of $479.590 per share.

13. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $488.290 per share to a high of $489.260 per share.

14. These shares are held in the Thene Revocable Living Trust dated September 17, 2010, Tony R. Thene or Holly Thene, Trustees.

15. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $487.240 per share to a high of $488.240 per share.

16. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $486.160 per share to a high of $487.160 per share.

17. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $485.150 per share to a high of $486.130 per share.

18. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $484.125 per share to a high of $485.125 per share.

19. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $483.115 per share to a high of $484.115 per share.

20. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $482.130 per share to a high of $483.110 per share.

21. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $481.060 per share to a high of $482.060 per share.

22. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $480.045 per share to a high of $481.045 per share.

23. The price reported is an average of the total transactions executed for the day with individual transactions ranging from a low of $479.430 per share to a high of $480.020 per share.

	James D. Dee/POA	08/27/2026
	** 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).
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