Krishnan Suma's Form 4 filing
Krystal Biotech, Inc. (KRYS) · filed Sep 4, 2026
- Accession no.
- 0001298711-26-000009
- Filed
- Sep 4, 2026, 7:15 PM ET
- Trade date
- Sep 4, 2026
- Filing delay
- Same day
- Rule 10b5-1 plan
- Checked
This filing lists 13 non-derivative transactions. Open-market sales total $8.98M. It was filed on the trade date.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Krishnan SumaCIK 0001298711 | Director, Officer (President, R&D), 10% Owner |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 4, 2026 | Common Stock | SSaleDisposed | −520 | $354.54F2,F3 | −$184,360.8 | 1,326,625 | Direct | |
| Sep 4, 2026 | Common Stock | SSaleDisposed | −2,006 | $355.57F4 | −$713,277.23 | 1,324,619 | Direct | |
| Sep 4, 2026 | Common Stock | SSaleDisposed | −3,267 | $356.37F5 | −$1,164,253.93 | 1,321,352 | Direct | |
| Sep 4, 2026 | Common Stock | SSaleDisposed | −3,962 | $357.57F6 | −$1,416,708.98 | 1,317,390 | Direct | |
| Sep 4, 2026 | Common Stock | SSaleDisposed | −3,180 | $358.42F7 | −$1,139,776.55 | 1,314,210 | Direct | |
| Sep 4, 2026 | Common Stock | SSaleDisposed | −3,392 | $359.39F8 | −$1,219,037.99 | 1,310,818 | Direct | |
| Sep 4, 2026 | Common Stock | SSaleDisposed | −2,320 | $360.47F9 | −$836,281.12 | 1,308,498 | Direct | |
| Sep 4, 2026 | Common Stock | SSaleDisposed | −1,242 | $361.61F10 | −$449,119.62 | 1,307,256 | Direct | |
| Sep 4, 2026 | Common Stock | SSaleDisposed | −1,992 | $362.65F11 | −$722,404.18 | 1,305,264 | Direct | |
| Sep 4, 2026 | Common Stock | SSaleDisposed | −565 | $363.34F12 | −$205,287.33 | 1,304,699 | Direct | |
| Sep 4, 2026 | Common Stock | SSaleDisposed | −1,329 | $364.48F13 | −$484,390.07 | 1,303,370 | Direct | |
| Sep 4, 2026 | Common Stock | SSaleDisposed | −826 | $365.41F14 | −$301,831.88 | 1,302,544 | Direct | |
| Sep 4, 2026 | Common Stock | SSaleDisposed | −399 | $366.56F15 | −$146,255.84 | 1,302,145 | Direct |
Footnotes and remarks
Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.
- F2
The 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 has reached the maximum number of shares to be sold under such plan and has terminated.
Referenced by the price of 1 transaction in Table I.
- F3
The transaction was executed in multiple trades ranging from $353.98 to $354.97. 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.
Referenced by the price of 1 transaction in Table I.
- F4
The transaction was executed in multiple trades ranging from $354.98 to $355.97. 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.
Referenced by the price of 1 transaction in Table I.
- F5
The transaction was executed in multiple trades ranging from $355.98 to $356.96. 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.
Referenced by the price of 1 transaction in Table I.
- F6
The transaction was executed in multiple trades ranging from $356.99 to $357.97. 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.
Referenced by the price of 1 transaction in Table I.
- F7
The transaction was executed in multiple trades ranging from $357.99 to $358.98. 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.
Referenced by the price of 1 transaction in Table I.
- F8
The transaction was executed in multiple trades ranging from $358.99 to $359.98. 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.
Referenced by the price of 1 transaction in Table I.
- F9
The transaction was executed in multiple trades ranging from $360.01 to $361.005. 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.
Referenced by the price of 1 transaction in Table I.
- F10
The transaction was executed in multiple trades ranging from $361.02 to $362.00. 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.
Referenced by the price of 1 transaction in Table I.
- F11
The transaction was executed in multiple trades ranging from $362.02 to $363.00. 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.
Referenced by the price of 1 transaction in Table I.
- F12
The transaction was executed in multiple trades ranging from $363.05 to $364.01. 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.
Referenced by the price of 1 transaction in Table I.
- F13
The transaction was executed in multiple trades ranging from $364.07 to $365.05. 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.
Referenced by the price of 1 transaction in Table I.
- F14
The transaction was executed in multiple trades ranging from $365.07 to $366.03. 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.
Referenced by the price of 1 transaction in Table I.
- F15
The transaction was executed in multiple trades ranging from $366.39 to $366.91. 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.
Referenced by the price of 1 transaction in Table I.