# EDGAR Filing Document

**Accession Number:** 0001915828
**File Stem:** 0001915828-26-000002
**Filing Date:** 2026-5
**Character Count:** 7866
**Document Hash:** 85b4139430f84ef243aea49b581ee859
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001915828-26-000002.hdr.sgml**: 20260506

**ACCESSION NUMBER**: 0001915828-26-000002

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260505

**FILED AS OF DATE**: 20260506

**DATE AS OF CHANGE**: 20260506

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** AKINS MARSHALL D
- **CENTRAL INDEX KEY:** 0001915828

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-05828
- **FILM NUMBER:** 26948937

**MAIL ADDRESS:**
- **STREET 1:** CARPENTER TECHNOLOGY CORPORATION
- **STREET 2:** 1735 MARKET STREET
- **CITY:** PHILADELPHIA
- **STATE:** PA
- **ZIP:** 19103
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CARPENTER TECHNOLOGY CORP
- **CENTRAL INDEX KEY:** 0000017843
- **STANDARD INDUSTRIAL CLASSIFICATION:** STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 230458500
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0630

**BUSINESS ADDRESS:**
- **STREET 1:** BNY MELLON BUILDING
- **STREET 2:** 1735 MARKET STREET, 15TH FL
- **CITY:** PHILADELPHIA
- **STATE:** PA
- **ZIP:** 19103
- **BUSINESS PHONE:** 6102082000

**MAIL ADDRESS:**
- **STREET 1:** BNY MELLON BUILDING
- **STREET 2:** 1735 MARKET STREET, 15TH FL
- **CITY:** PHILADELPHIA
- **STATE:** PA
- **ZIP:** 19103

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>AKINS MARSHALL D<br><sub>(Last) (First) (Middle)</sub><br>CARPENTER TECHNOLOGY CORPORATION<br>1735 MARKET STREET, 15TH FLOOR<br><sub>(Street)</sub><br>PHILADELPHIA, PA 19103<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-05 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_VP and Chief Comm Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>CARPENTER TECHNOLOGY CORP [ CRS ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2026-05-05 |  | S |  | 560 | D | 436.37<sup>(1)</sup> | 29598.77 | D |  |
| Common Stock | 2026-05-05 |  | S |  | 837 | D | 437.86<sup>(2)</sup> | 28761.77 | D |  |
| Common Stock | 2026-05-05 |  | S |  | 999 | D | 438.87<sup>(3)</sup> | 27762.77 | D |  |
| Common Stock | 2026-05-05 |  | S |  | 850 | D | 439.86<sup>(4)</sup> | 26912.77 | D |  |
| Common Stock | 2026-05-05 |  | S |  | 1953 | D | 441.18<sup>(5)</sup> | 24959.77 | D |  |
| Common Stock | 2026-05-05 |  | S |  | 2947 | D | 442.15<sup>(6)</sup> | 22012.77 | D |  |
| Common Stock | 2026-05-05 |  | S |  | 3434 | D | 443.37<sup>(7)</sup> | 18578.77 | D |  |
| Common Stock | 2026-05-05 |  | S |  | 235 | D | 443.78<sup>(8)</sup> | 18343.77 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) The price reported is an average of the total transactions executed for the day, with the individual transactions ranging from a low of $436.26 per share to a high of $436.74 per share.

(2) The price reported is an average of the total transactions executed for the day, with the individual transactions ranging from a low of $437.35 per share to a high of $438.34 per share.

(3) The price reported is an average of the total transactions executed for the day, with the individual transactions ranging from a low of $438.44 per share to a high of $439.36 per share.

(4) The price reported is an average of the total transactions executed for the day, with the individual transactions ranging from a low of $439.47 per share to a high of $440.21 per share.

(5) The price reported is an average of the total transactions executed for the day, with the individual transactions ranging from a low of $440.62 per share to a high of $441.62 per share.

(6) The price reported is an average of the total transactions executed for the day, with the individual transactions ranging from a low of $441.64 per share to a high of $442.63 per share.

(7) The price reported is an average of the total transactions executed for the day, with the individual transactions ranging from a low of $442.74 per share to a high of $443.73 per share.

(8) The price reported is an average of the total transactions executed for the day, with the individual transactions ranging from a low of $443.76 per share to a high of $443.88 per share.

**Signature:** James D. Dee/POA  
**Date:** 2026-05-06

### Remarks:

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.**