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Who

Suma Krishnan

President, R&D

Company insider

Files Form 4 as: President, R&D, Krystal Biotech; SVP--Product Development, Precigen; Vice President, Product Dev., New River Pharmaceuticals.

In numbers

Trades disclosed
379
Buys
5
Sells
46
Bought
$2.1M
Sold
$168.6M
Companies
3
Companies where not an officer
0
First trade
29 Mar 2005
Last trade
4 Sep 2026
Last filed
4 Sep 2026

Companies traded

Where they are an officer
KRYS Krystal BiotechDirector, Officer, 10% owner · Biotechnology · last 4 Sep 20264 buys · 38 sells
PGEN PrecigenOfficer · Biotechnology · last 29 Jan 20161 buy · 2 sells
New River PharmaceuticalsDirector, Officer · last 25 Jan 20070 buys · 6 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
50Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$184K520 at $354.54filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$205K565 at $363.34filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$484K1,329 at $364.48filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$302K826 at $365.41filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$146K399 at $366.56filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$713K2,006 at $355.57filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$1.2M3,267 at $356.37filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$1.4M3,962 at $357.57filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$1.1M3,180 at $358.42filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$1.2M3,392 at $359.39filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$836K2,320 at $360.47filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$449K1,242 at $361.61filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$722K1,992 at $362.65filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$184K520 at $354.54filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$713K2,006 at $355.57filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$1.2M3,267 at $356.37filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$1.4M3,962 at $357.57filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$1.1M3,180 at $358.42filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$1.2M3,392 at $359.39filing
4 Sep 2026filed 4 Sep 2026KRYS Krystal BiotechBiotechnologySEC FORM 4 Sold$836K2,320 at $360.47filing

Sectors

Health Care45
Not placed6

Buys in green, sells in red, by the company’s sector.

Related people

Harry Thomasian Jr.Chief Financial Officer · Chief Financial Officer at Precigen, filing Form 4 there in the last year
Christopher MasonDirector · Director at Krystal Biotech, filing Form 4 there in the last year
Daniel JanneyDirector · Director at Krystal Biotech, filing Form 4 there in the last year
Dino A. RossiDirector · Director at Krystal Biotech, filing Form 4 there in the last year
Julian S. GangolliDirector · Director at Krystal Biotech, filing Form 4 there in the last year
Krish S. KrishnanPresident and CEO · Also traded KRYS in the last 90 days
Jeffrey B. KindlerDirector · Also traded PGEN in the last 90 days
Phil TennantChief Commercial Officer · Also traded PGEN in the last 90 days