# EDGAR Filing Document

**Accession Number:** 0001711279
**File Stem:** 0001711279-26-000037
**Filing Date:** 2026-4
**Character Count:** 2559
**Document Hash:** fafce5f7e232fdd83f73d79ce6133dba
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001711279-26-000037.hdr.sgml**: 20260403

**ACCESSION NUMBER**: 0001711279-26-000037

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20260403

**DATE AS OF CHANGE**: 20260403

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Krystal Biotech, Inc.
- **CENTRAL INDEX KEY:** 0001711279
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 821080209
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38210
- **FILM NUMBER:** 26838590

**BUSINESS ADDRESS:**
- **STREET 1:** 2100 WHARTON STREET
- **STREET 2:** SUITE 701
- **CITY:** PITTSBURGH
- **STATE:** PA
- **ZIP:** 15203
- **BUSINESS PHONE:** (412) 586-5830

**MAIL ADDRESS:**
- **STREET 1:** 2100 WHARTON STREET
- **STREET 2:** SUITE 701
- **CITY:** PITTSBURGH
- **STATE:** PA
- **ZIP:** 15203

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**Washington, D.C. 20549**

**SCHEDULE 14A**

Proxy Statement Pursuant to Section 14(a) of

the Securities Exchange Act of 1934 (Amendment No.)

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| | |
|:---|:---|
| &nbsp;&nbsp;Filed by the Registrant ☒ | &nbsp;&nbsp;Filed by the Registrant ☒ |
| &nbsp;&nbsp;Filed by a Party other than the Registrant ☐ | &nbsp;&nbsp;Filed by a Party other than the Registrant ☐ |
| &nbsp;&nbsp;Check the appropriate box: | &nbsp;&nbsp;Check the appropriate box: |
| &nbsp;&nbsp;☐ | Preliminary Proxy Statement |
| &nbsp;&nbsp;☐ | **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))** |
| &nbsp;&nbsp;☐ | Definitive Proxy Statement |
| &nbsp;&nbsp;☒ | Definitive Additional Materials |
| &nbsp;&nbsp;☐ | Soliciting Material under §240.14a-12 |

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**KRYSTAL BIOTECH, INC.**

    

(Name of Registrant as Specified In Its Charter)

    

**(Name of Person(s) Filing Proxy Statement, if other than the Registrant)**

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| | |
|:---|:---|
| &nbsp;&nbsp;Payment of Filing Fee (Check the appropriate box): | &nbsp;&nbsp;Payment of Filing Fee (Check the appropriate box): |
| &nbsp;&nbsp;☒ | No fee required. |
| &nbsp;&nbsp;☐ | Fee paid previously with preliminary materials. |
| &nbsp;&nbsp;☐ | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11. |

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