SEC Form 4 · accession 0001298711-26-000006
Krystal Biotech, Inc. · KRYS
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Suma Krishnan
Officer — President, R&D · Director · 10% Owner
Period of report
Jun 4, 2026
Accepted (ET)
Jun 5, 2026 · 6:40 pm EDT
Rule 10b5-1 plan
yes — trade under a plan
Issuer CIK
0001711279
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF2 | Jun 4, 2026 | S | 320 | $300.75 | D | 1,402,835 | D | |
| Common StockF3 | Jun 4, 2026 | S | 593 | $302.2508 | D | 1,402,242 | D | |
| Common StockF4 | Jun 4, 2026 | S | 247 | $303.1703 | D | 1,401,995 | D | |
| Common StockF5 | Jun 4, 2026 | S | 400 | $304.8939 | D | 1,401,595 | D | |
| Common StockF6 | Jun 4, 2026 | S | 480 | $305.865 | D | 1,401,115 | D | |
| Common StockF7 | Jun 4, 2026 | S | 1,348 | $307.0948 | D | 1,399,767 | D | |
| Common StockF8 | Jun 4, 2026 | S | 12,729 | $307.8066 | D | 1,387,038 | D | |
| Common StockF9 | Jun 4, 2026 | S | 3,803 | $308.8898 | D | 1,383,235 | D | |
| Common StockF10 | Jun 4, 2026 | S | 2,801 | $309.9451 | D | 1,380,434 | D | |
| Common StockF11 | Jun 4, 2026 | S | 2,039 | $310.937 | D | 1,378,395 | D | |
| Common StockF12 | Jun 4, 2026 | S | 240 | $311.65 | D | 1,378,155 | D | |
| Common StockF13 | holding | — | — | — | 90,000 | I | By Krishnan Spousal Trust | |
| Common StockF14 | holding | — | — | — | 50,000 | I | By Krishnan Family Trust |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1The Reporting Person may be deemed to beneficially own shares of the Issuer's common stock directly owned by the Reporting Person's spouse, Krish S. Krishnan. Such shares and transactions by the Reporting Person's spouse are not included in this Form 4, as they are being reported separately on a Form 4 filed by her spouse. The Reporting Person disclaims beneficial ownership of such shares except to the extent of her pecuniary interest therein.
- F10The transaction was executed in multiple trades ranging from $309.43 to $310.38. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein.
- F11The transaction was executed in multiple trades ranging from $310.44 to $311.41. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein.
- F12The transaction was executed in multiple trades ranging from $311.50 to $311.77. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein.
- F13Held by the Krishnan Spousal Trust, an irrevocable trust established by Mr. Krishnan for the benefit of Mrs. Krishnan who serves as a co-trustee and shares voting and investment power with a 3rd party co-trustee.
- F14Held by the Krishnan Family Trust. The Reporting Person and her spouse are each joint beneficial owners of the trust with joint voting and investment control.
- F2The sales reported were pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 4, 2025. The Rule 10b5-1 trading plan started on December 4, 2025, and will terminate on December 4, 2026, or earlier in accordance with the terms of the Rule 10b5-1 trading plan, including upon completion of the sale of all of the shares of the Company's common stock subject to the Rule 10b5-1 trading plan.
- F3The transaction was executed in multiple trades ranging from $302.05 to $303.01. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein.
- F4The transaction was executed in multiple trades ranging from $303.05 to $303.77. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein.
- F5The transaction was executed in multiple trades ranging from $304.07 to $304.98. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein.
- F6The transaction was executed in multiple trades ranging from $305.19 to $306.00. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein.
- F7The transaction was executed in multiple trades ranging from $306.38 to $307.37. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein.
- F8The transaction was executed in multiple trades ranging from $307.38 to $308.37. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein.
- F9The transaction was executed in multiple trades ranging from $308.38 to $309.36. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein.