Form 4 for KRYS Krystal Biotech, Inc.
Accepted 2026-09-04 19:14:09 ET · period of report 2026-09-04 · accession 0001298709-26-000011 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2026-09-04 19:14 | 2026-09-04 | KRYS | Krishnan Krish S | Pres, CEO, Dir, 10% | S - Sale | $359.32 | -25.0K | 1.35M | -2% | -$8.98M |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-09-04 | S | D | 520 | $354.54 | 1,372,023 | D | — | — | (F1) The Reporting Person may be deemed to beneficially own shares of the Issuer's common stock directly owned by the Reporting Person's spouse, Suma M. 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 his spouse. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. (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. (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. |
| 2 | Common | Common Stock | 2026-09-04 | S | D | 2,029 | $355.57 | 1,369,994 | D | — | — | (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. |
| 3 | Common | Common Stock | 2026-09-04 | S | D | 3,297 | $356.37 | 1,366,697 | D | — | — | (F5) The transaction was executed in multiple trades ranging from $355.98 to $356.97. 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. |
| 4 | Common | Common Stock | 2026-09-04 | S | D | 3,981 | $357.57 | 1,362,716 | D | — | — | (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. |
| 5 | Common | Common Stock | 2026-09-04 | S | D | 3,143 | $358.42 | 1,359,573 | D | — | — | (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. |
| 6 | Common | Common Stock | 2026-09-04 | S | D | 3,357 | $359.39 | 1,356,216 | D | — | — | (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. |
| 7 | Common | Common Stock | 2026-09-04 | S | D | 2,266 | $360.46 | 1,353,950 | D | — | — | (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. |
| 8 | Common | Common Stock | 2026-09-04 | S | D | 1,214 | $361.61 | 1,352,736 | D | — | — | (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. |
| 9 | Common | Common Stock | 2026-09-04 | S | D | 2,010 | $362.65 | 1,350,726 | D | — | — | (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. |
| 10 | Common | Common Stock | 2026-09-04 | S | D | 573 | $363.34 | 1,350,153 | D | — | — | (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. |
| 11 | Common | Common Stock | 2026-09-04 | S | D | 1,358 | $364.48 | 1,348,795 | D | — | — | (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. |
| 12 | Common | Common Stock | 2026-09-04 | S | D | 847 | $365.42 | 1,347,948 | D | — | — | (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. |
| 13 | Common | Common Stock | 2026-09-04 | S | D | 405 | $366.56 | 1,347,543 | D | — | — | (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. |