Insider · CIK 0001298711

Krishnan Suma

Reports to the SEC for 3 companies · PITTSBURGH, PA

sec.gov

Transactions

Companies

Filings

CIK

0001298711

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-09-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−3,267 sh	$356.37	−$1.16M	1,321,352
2026-09-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−826 sh	$365.41	−$302K	1,302,544
2026-09-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−565 sh	$363.34	−$205K	1,304,699
2026-09-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−520 sh	$354.54	−$184K	1,326,625
2026-09-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−2,006 sh	$355.57	−$713K	1,324,619
2026-09-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−2,320 sh	$360.47	−$836K	1,308,498
2026-09-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−1,242 sh	$361.61	−$449K	1,307,256
2026-09-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−3,962 sh	$357.57	−$1.42M	1,317,390
2026-09-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−3,180 sh	$358.42	−$1.14M	1,314,210
2026-09-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−3,392 sh	$359.39	−$1.22M	1,310,818
2026-09-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−1,329 sh	$364.48	−$484K	1,303,370
2026-09-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−399 sh	$366.56	−$146K	1,302,145
2026-09-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−1,992 sh	$362.65	−$722K	1,305,264
2026-06-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−480 sh	$305.87	−$147K	1,401,115
2026-06-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−1,348 sh	$307.09	−$414K	1,399,767
2026-06-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−247 sh	$303.17	−$74.9K	1,401,995
2026-06-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−593 sh	$302.25	−$179K	1,402,242
2026-06-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−240 sh	$311.65	−$74.8K	1,378,155
2026-06-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−320 sh	$300.75	−$96.2K	1,402,835
2026-06-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−400 sh	$304.89	−$122K	1,401,595
2026-06-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−2,039 sh	$310.94	−$634K	1,378,395
2026-06-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−12.7K sh	$307.81	−$3.92M	1,387,038
2026-06-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−3,803 sh	$308.89	−$1.17M	1,383,235
2026-06-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−2,801 sh	$309.95	−$868K	1,380,434
2026-03-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−1,700 sh	$266.42	−$453K	1,403,155
2026-03-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−6,000 sh	$265.16	−$1.59M	1,404,855
2026-03-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−3,667 sh	$260.37	−$955K	1,422,824
2026-03-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−589 sh	$258.54	−$152K	1,427,159
2026-03-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−2,931 sh	$261.41	−$766K	1,419,893
2026-03-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−407 sh	$257.32	−$105K	1,427,748
2026-03-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−1,938 sh	$262.35	−$508K	1,417,955
2026-03-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−4,852 sh	$264.64	−$1.28M	1,410,855
2026-03-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−668 sh	$259.61	−$173K	1,426,491
2026-03-04	KRYSKrystal Biotech, Inc.S Sale	Director, President, R&D, 10% Owner	SSale	−2,248 sh	$263.58	−$593K	1,415,707
2026-02-27	KRYSKrystal Biotech, Inc.F Tax Payment	Director, President, R&D, 10% Owner	FTax Payment	−1,820 sh	$275.64	−$502K	1,428,155
2026-02-27	KRYSKrystal Biotech, Inc.M Exercise/Conversion	Director, President, R&D, 10% Owner	MExercise/Conversion	+8,750 sh	—	—	1,486,806
2026-02-27	KRYSKrystal Biotech, Inc.M Exercise/Conversion	Director, President, R&D, 10% Owner	MExercise/Conversion	+26.3K sh	—	—	1,509,075
2026-02-27	KRYSKrystal Biotech, Inc.F Tax Payment	Director, President, R&D, 10% Owner	FTax Payment	−10.2K sh	$275.64	−$2.82M	1,425,975
2026-02-27	KRYSKrystal Biotech, Inc.F Tax Payment	Director, President, R&D, 10% Owner	FTax Payment	−11.9K sh	$275.64	−$3.29M	1,497,133
2026-02-27	KRYSKrystal Biotech, Inc.M Exercise/Conversion	Director, President, R&D, 10% Owner	MExercise/Conversion	+4,000 sh	—	—	1,429,975
2026-02-27	KRYSKrystal Biotech, Inc.F Tax Payment	Director, President, R&D, 10% Owner	FTax Payment	−3,981 sh	$275.64	−$1.1M	1,482,825
2026-02-27	KRYSKrystal Biotech, Inc. · Restricted Stock UnitsA Award	Director, President, R&D, 10% Owner	AAward	+7,256 sh	—	—	7,256
2026-02-27	KRYSKrystal Biotech, Inc. · Performance Stock UnitsA Award	Director, President, R&D, 10% Owner	AAward	+43.5K sh	—	—	43,536
2026-02-27	KRYSKrystal Biotech, Inc.F Tax Payment	Director, President, R&D, 10% Owner	FTax Payment	−2,605 sh	$275.64	−$718K	1,500,253
2026-02-27	KRYSKrystal Biotech, Inc. · Performance Stock UnitsM Exercise/Conversion	Director, President, R&D, 10% Owner	MExercise/Conversion	−22.5K sh	—	—	0
2026-02-27	KRYSKrystal Biotech, Inc.M Exercise/Conversion	Director, President, R&D, 10% Owner	MExercise/Conversion	+5,725 sh	—	—	1,502,858
2026-02-27	KRYSKrystal Biotech, Inc. · Restricted Stock UnitsM Exercise/Conversion	Director, President, R&D, 10% Owner	MExercise/Conversion	−4,000 sh	—	—	12,000
2026-02-27	KRYSKrystal Biotech, Inc.M Exercise/Conversion	Director, President, R&D, 10% Owner	MExercise/Conversion	+22.5K sh	—	—	1,436,211
2026-02-27	KRYSKrystal Biotech, Inc. · Stock Option (Right to Buy)A Award	Director, President, R&D, 10% Owner	AAward	+18.1K sh	—	—	18,100
2025-12-05	KRYSKrystal Biotech, Inc.G Gift	Director, President, R&D, 10% Owner	GGift	−5,000 sh	—	—	1,478,056

Recent filings

Accepted (ET)
Sep 44
Krishnan Suma0001298711-26-000009
SEC(opens sec.gov)
Jun 54
Krishnan Suma0001298711-26-000006
SEC(opens sec.gov)

Companies

Address

C/O KRYSTAL BIOTECH, INC. 2100 WHARTON STREET, SUITE 701

PITTSBURGH, PA, 15203