Form 4 for KRYS Krystal Biotech, Inc.
Accepted 2026-08-14 18:22:39 ET · period of report 2026-08-14 · accession 0001209059-26-000006 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-14 18:22 | 2026-08-14 | KRYS | ROSSI DINO A | Dir | G - Gift | $0.00 | -3,691 | 75.0K | -5% | $0 | |
| M | 2026-08-14 18:22 | 2026-08-14 | KRYS | ROSSI DINO A | Dir | S - Sale | $329.12 | -25.0K | 50.0K | -33% | -$8.23M |
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 | 2026-08-14 | G | D | 3,691 | $0.00 | 75,000 | D | — | — | (F1) Represents a bona fide gift of Krystal Biotech, Inc.'s Common Stock to a charitable donor-advised fund. |
| 2 | Common | Common Stock | 2026-08-14 | S | D | 341 | $325.60 | 74,659 | D | — | — | (F2) The transaction was executed in multiple trades ranging from $325 to $325.96. 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. |
| 3 | Common | Common Stock | 2026-08-14 | S | D | 2,287 | $326.60 | 72,372 | D | — | — | (F3) The transaction was executed in multiple trades ranging from $326.04 to $326.98. 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. |
| 4 | Common | Common Stock | 2026-08-14 | S | D | 5,226 | $327.39 | 67,146 | D | — | — | (F4) The transaction was executed in multiple trades ranging from $327 to $327.99. 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 | 2026-08-14 | S | D | 1,687 | $328.52 | 65,459 | D | — | — | (F5) The transaction was executed in multiple trades ranging from $328.01 to $328.99. 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 | 2026-08-14 | S | D | 7,428 | $329.60 | 58,031 | D | — | — | (F6) The transaction was executed in multiple trades ranging from $329.01 to $329.99. 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 | 2026-08-14 | S | D | 4,896 | $330.36 | 53,135 | D | — | — | (F7) The transaction was executed in multiple trades ranging from $330 to $330.99. 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 | 2026-08-14 | S | D | 3,095 | $331.43 | 50,040 | D | — | — | (F8) The transaction was executed in multiple trades ranging from $331.02 to $331.99. 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 | 2026-08-14 | S | D | 40 | $333.23 | 50,000 | D | — | — |