InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (21 ops.)
Insider track record
CEODisclosed buys
0
Disclosed sells
21
T+90 hit rate
40%
T+90 mean return
+6.5%
Across 5 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the detailed record of transactions filed by Krishnan Suma, President, R&D. Insider active across 2 companies, notably Krystal Biotech, Inc.. Aggregated, 28 filings have been recorded. Split: 0 buy · 21 sells. Total volume traded: €18.5m. History available since 10 December 2021. The latest transaction was disclosed on 4 March 2026 (Cession). Regulator: SEC (Form 4). All data is free.
Declarations28 total
407 shares@ US$257.31860.0013% mcap0.7% of flowCommon StockSEC:0001298711-26-000004:0
700 shares@ US$214.2503Common StockSEC:0001298711-25-000013:0
13,335 shares@ US$150.29068.7% of flowCommon StockSEC:0001298711-25-000009:0
200 shares@ US$150.1390.1% of flowCommon StockSEC:0001298711-25-000007:0
1,639 shares@ US$175.97241.1% of flowCommon StockSEC:0001298711-25-000004:0
3,286 shares@ US$176.392.3% of flowCommon StockSEC:0001298711-25-000002:0
5,942 shares@ US$163.04353.8% of flowCommon StockSEC:0001298711-24-000015:0
8,497 shares@ US$195.42976.2% of flowCommon StockSEC:0001298711-24-000013:0
900 shares@ US$171.39620.6% of flowCommon StockSEC:0001298711-24-000011:0
2,658 shares@ US$168.15081.7% of flowCommon StockSEC:0001298711-24-000009:0
7,500 shares0Common StockSEC:0001298711-24-000006:0
2,353 shares@ US$157.001.4% of flowCommon StockSEC:0001298711-24-000004:0
2,854 shares@ US$104.26391.1% of flowCommon StockSEC:0001298711-23-000020:0
5,007 shares@ US$125.22752.4% of flowCommon StockSEC:0001298711-23-000017:0
20,143 shares@ US$115.97579.0% of flowCommon StockSEC:0001298711-23-000015:0
1,050 shares@ US$85.54870.3% of flowCommon StockSEC:0001298711-23-000012:0
3,057 shares@ US$78.460.9% of flowCommon StockSEC:0001298711-23-000010:0
20,617 shares@ US$80.70196.3% of flowCommon StockSEC:0001298711-23-000006:0
3,938 shares@ US$80.08761.2% of flowCommon StockSEC:0001298711-23-000004:0
7,484 shares@ US$80.29892.3% of flowCommon StockSEC:0001298711-23-000002:0
10,527 shares@ US$80.09593.3% of flowCommon StockSEC:0001298711-22-000012:0
4 shares@ US$80.010.0% of flowCommon StockSEC:0001298711-22-000009:0
823 shares@ US$80.03730.3% of flowCommon StockSEC:0001298711-22-000007:0
8,992 shares@ US$80.21932.9% of flowCommon StockSEC:0001298711-22-000005:0
3,282 shares@ US$62.500.0025% mcap1.4% of flowCommon StockSEC:0001298711-22-000003:0
25 of 28 declarations
About Krishnan Suma
Suma Krishnan is the President and Head of Research and Development at Krystal Biotech, Inc. She leads the company's research and innovation efforts, focusing on the development of new therapies. With deep expertise in the biopharmaceutical field, Suma Krishnan plays a crucial role in advancing medical treatments. Her leadership is essential for Krystal Biotech, Inc.'s growth strategy.
