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SK
Insider

Suma Krishnan

President, R&D

Suma Krishnan (President, R&D) filed 4 Form 4 reports in the trailing twelve months (0 purchases, 4 sales), most often in Krystal Biotech, Inc. (KRYS). The largest single filing was $10.9M of KRYS (49,456 sh across 14 lots, as filed), executed Dec 4 2025.

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Return, ttmiAverage return per filing, trailing twelve months
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
returns measure stock purchases only
Filings, ttm
4
0 buys · 4 sells
Median delay
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$33.9M
shares × price, as filed
Last traded
Sep 4
Filed Sep 4

Median ADV $140.4M across their filed names

Open performance
Volume by month
$10.9M$5.4M$0Oct 2024Apr 2025Oct 2025Apr 2026Dec 2024 · sells $8.2MMar 2025 · sells $8.9MJul 2025 · sells $7.4MDec 2025 · sells $10.9MMar 2026 · sells $6.6MJun 2026 · sells $7.5MSep 2026 · sells $9.0M
Buys $0 Sells $58.4M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on
Healthcare 4 filings

Sector per market data · by filing · past 12 months

Most traded names
KRYS Krystal Biotech, Inc. KRYS · 0 buys · 8 sells 8 filings
Recent filings
KRYSSALE Krystal Biotech, Inc. View filing → $9.0M
25,000 sh across 13 lots
Exec Sep 4
Filed Sep 4 · 7:15 PM ET
KRYSSALE Krystal Biotech, Inc. View filing → $7.5M
24,193 sh across 8 lots
Exec Jun 4
Filed Jun 5 · 5:30 PM ET
KRYSSALE Krystal Biotech, Inc. View filing → $6.6M
25,000 sh across 10 lots
Exec Mar 4
Filed Mar 6 · 5:30 PM ET
KRYSSALE Krystal Biotech, Inc. View filing → $10.9M
49,456 sh across 14 lots
Exec Dec 4 2025
Filed Dec 5 2025 · 5:30 PM ET
KRYSSALE Krystal Biotech, Inc. View filing → $5.4M
35,773 sh across 8 lots
Exec Jul 14 2025
Filed Jul 16 2025 · 5:30 PM ET
KRYSSALE Krystal Biotech, Inc. View filing → $2.0M
13,127 sh across 2 lots
Exec Jul 10 2025
Filed Jul 11 2025 · 5:30 PM ET
KRYSSALE Krystal Biotech, Inc. View filing → $8.9M
50,000 sh across 10 lots
Exec Mar 13 2025
Filed Mar 13 2025 · 5:30 PM ET
KRYSSALE Krystal Biotech, Inc. View filing → $8.2M
49,800 sh across 16 lots
Exec Dec 13 2024
Filed Dec 13 2024 · 5:30 PM ET
More filings →