🕵️ Krystal Biotech, Inc. ($KRYS)
SEC insider & ownership activity, last 12 months · CIK 1711279 · every row links its SEC filing
Over the last 12 months insiders sold $79.1M with no open-market buying against it. Suma Krishnan sold $25.3M through a 10b5-1 trading plan in 37 lots (Dec–Jun). No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 6 sellers, $79.1M (108 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Suma Krishnan | 0 | – | 37 | $25.3M | Jun 4, 2026 |
| Krish Krishnan | 0 | – | 37 | $25.3M | Jun 4, 2026 |
| Daniel S Janney | 0 | – | 22 | $19.4M | Feb 27, 2026 |
| Dino A. Rossi | 0 | – | 2 | $5.0M | Feb 19, 2026 |
| Romano Kathryn | 0 | – | 8 | $3.6M | Mar 2, 2026 |
| Thomas John Charles | 0 | – | 2 | $541K | Jun 25, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Krish S. Krishnan | 11.5% | 13G | May 4, 2026 | filing ↗ | |
| Suma M. Krishnan | 11.5% | 13G | May 4, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 5.0% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Thomas John Charles | $347K | Jun 25, 2026 | filing ↗ |
| Suma Krishnan | $7.5M | Jun 4, 2026 | filing ↗ |
| Krish Krishnan | $7.5M | Jun 4, 2026 | filing ↗ |
| Thomas John Charles | $194K | May 26, 2026 | filing ↗ |
| Suma Krishnan | $6.6M | Mar 4, 2026 | filing ↗ |
| Krish Krishnan | $6.6M | Mar 4, 2026 | filing ↗ |
| Romano Kathryn | $201K | Mar 2, 2026 | filing ↗ |
| Daniel S Janney | $3.3M | Feb 27, 2026 | filing ↗ |
| Daniel S Janney | $2.1M | Feb 26, 2026 | filing ↗ |
| Daniel S Janney | $192K | Feb 25, 2026 | filing ↗ |
| Janney Daniel | $10.1M | Feb 24, 2026 | filing ↗ |
| Daniel S Janney | $3.7M | Feb 24, 2026 | filing ↗ |
| Dino A. Rossi | $5.0M | Feb 19, 2026 | filing ↗ |
| Romano Kathryn | $3.5M | Feb 9, 2026 | filing ↗ |
| Krish Krishnan | $5.4M | Dec 4, 2025 | filing ↗ |
| Suma Krishnan | $5.4M | Dec 4, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Other events (8.01) | Jul 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 21, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 15, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 4, 2026 | filing ↗ |
| Earnings (2.02) | Feb 17, 2026 | filing ↗ |
| Earnings (2.02) | Jan 11, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 11, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 8, 2026 | filing ↗ |
| Officer/director changes (5.02) | Dec 23, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 23, 2025 | filing ↗ |
| Earnings (2.02) | Nov 3, 2025 | filing ↗ |
| Other events (8.01) | Oct 22, 2025 | filing ↗ |
| Earnings (2.02) | Aug 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 4, 2025 | filing ↗ |