SEC ownership of Krystal Biotech, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001711279.

Comparable stake leader

Krish S. Krishnan

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

30 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Krish S. Krishnan
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
30 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001711279
Issuer location
Pittsburgh, PA

Ownership snapshot

Top shareholders of Krystal Biotech, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Krish S. Krishnan
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
30 Jun 2026
13D/G 3/4/5 13F Lead comparable stake: 12% 13D/G row: Krish S. Krishnan Showing 1-8 of 50 holder rows.

Quick read

Krish S. Krishnan leads the comparable SEC ownership view at 12%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Krish S. Krishnan's linked filing trail.
Comparable ownership Top 5
Krish S. Krishnan 12%
VANGUARD PORTFOLIO MANAGEMENT LLC 5%
STATE STREET CORP 4.4%
Dino A. Rossi 0.27%
Daniel Janney 0.25%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Krish S. Krishnan
13D/G 3/4/5
President and CEO, Director, 10%+ Owner
12%
$906,060,757
3,388,283 shares
$0 31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
13D/G
Vanguard Portfolio Management
5%
$382,084,101
1,479,111 shares
$0 31 Mar 2026
STATE STREET CORP
13F 13D/G
Company · STATE STREET CORPORATION
4.4%
from 13D/G
$502,201,761
1,351,158 shares
30 Jun 2026
Dino A. Rossi
3/4/5
Director
0.27%
$20,624,911
78,691 shares
-$4,953,694 19 Feb 2026
Daniel Janney
3/4/5
Director
0.25%
$20,241,071
73,293 shares
-$19,402,207 27 Feb 2026
Laurent Louis Jean Goux
3/4/5
EVP, Head of International
0%
$250,565
919 shares
01 Mar 2026
BlackRock, Inc.
13F
Company
13F
14%
$1,554,113,017
4,181,432 shares
30 Jun 2026
Soleus Capital Management, L.P.
13F
Company
13F
3.2%
$349,092,534
939,254 shares
30 Jun 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$79,079,503.

Buys
$0
Insiders: 0
Sells
$79,079,503
Insiders: 6
Net
-$79,079,503
Shares: -305,806
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 305,806
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 51,642 $0 $15,946,982 -$15,946,982
3-6 0 141,664 $0 $37,716,036 -$37,716,036
6-9 0 112,500 $0 $25,416,485 -$25,416,485
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-13 of 13 reporting-owner rows connected to Krystal Biotech, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
13
Largest Forms 3/4/5 holder
Krish S. Krishnan
Net 12M change
-$79,079,502
Latest report
25 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Krish S. Krishnan President and CEO, Director, 10%+ Owner $522,185,363 -$25,289,595 -4.6% Mixed 04 Jun 2026
Suma M. Krishnan President, R&D, Director, 10%+ Owner $496,996,320 -$25,290,428 -4.8% Mixed 04 Jun 2026
Dino A. Rossi Director $20,624,911 -$4,953,694 -19% Filing P/S 19 Feb 2026
Daniel Janney Director $20,241,071 -$19,402,207 -49% Filing P/S 27 Feb 2026
Kathryn Romano Chief Accounting Officer $7,696,124 -$3,602,405 -32% Mixed 27 Feb 2026
Laurent Louis Jean Goux EVP, Head of International $250,565 Mixed 01 Mar 2026
Andrew C. Orth Chief Commercial Officer $13,000 Mixed 09 Jun 2023
John C. Thomas EVP, General Counsel $0 -$541,173 -100% Mixed 25 Jun 2026
Jing L. Marantz Chief Business Officer Mixed 31 Jan 2022
Christopher Mason Director Mixed 30 Jun 2025
Everett Rand Sutherland Director Mixed 30 Jun 2025
Catherine Mazzacco Director Mixed 30 Jun 2025
Julian S. Gangolli Director Mixed 30 Jun 2025

Recent insider transactions for Krystal Biotech, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
John C. Thomas KRYS Common Stock Sale -100% $347,270 $347.27 -1,000 0 25 Jun 2026 Direct
John C. Thomas KRYS Common Stock Options Exercise 1,000 1,000 25 Jun 2026 Direct
John C. Thomas KRYS Stock Option (Right to Buy) Options Exercise -13.3% -1,000 6,500 25 Jun 2026 Direct
Suma M. Krishnan KRYS Common Stock Sale -1.78% $7,702,825 $308.11 -25,000 1,378,155 04 Jun 2026 Direct
Krish S. Krishnan KRYS Common Stock Sale -1.69% $7,702,984 $308.12 -25,000 1,450,253 04 Jun 2026 Direct
John C. Thomas KRYS Common Stock Sale -100% $193,903 $302.03 -642 0 26 May 2026 Direct
Suma M. Krishnan KRYS Common Stock Sale -1.75% $6,580,270 $263.21 -25,000 1,403,155 04 Mar 2026 Direct
Krish S. Krishnan KRYS Common Stock Sale -1.67% $6,579,164 $263.17 -25,000 1,475,253 04 Mar 2026 Direct
Kathryn Romano KRYS Common Stock Sale -3.24% $200,700 $267.60 -750 22,366 02 Mar 2026 Direct
Kathryn Romano KRYS Common Stock Tax liability -13.3% -3,502 22,806 27 Feb 2026 Direct
Kathryn Romano KRYS Common Stock Options Exercise 44.7% 8,050 26,068 27 Feb 2026 Direct
Kathryn Romano KRYS Restricted Stock Units Award 5,442 5,442 27 Feb 2026 Direct
Kathryn Romano KRYS Stock Option (Right to Buy) Award 13,575 13,575 27 Feb 2026 Direct
Kathryn Romano KRYS Restricted Stock Units Options Exercise -25% -550 1,650 27 Feb 2026 Direct
Kathryn Romano KRYS Performance Stock Units Options Exercise -100% -7,500 0 27 Feb 2026 Direct
Suma M. Krishnan KRYS Common Stock Tax liability -1.23% -18,528 1,482,825 27 Feb 2026 By Spouse
Suma M. Krishnan KRYS Common Stock Options Exercise 2.77% 40,725 1,509,075 27 Feb 2026 By Spouse
Suma M. Krishnan KRYS Common Stock Tax liability -0.84% -12,056 1,425,975 27 Feb 2026 Direct
Suma M. Krishnan KRYS Common Stock Options Exercise 1.88% 26,500 1,436,211 27 Feb 2026 Direct
Suma M. Krishnan KRYS Performance Stock Units Award 43,536 43,536 27 Feb 2026 Direct
Suma M. Krishnan KRYS Restricted Stock Units Award 7,256 7,256 27 Feb 2026 Direct
Suma M. Krishnan KRYS Stock Option (Right to Buy) Award 18,100 18,100 27 Feb 2026 Direct
Suma M. Krishnan KRYS Restricted Stock Units Options Exercise -25% -4,000 12,000 27 Feb 2026 Direct
Suma M. Krishnan KRYS Performance Stock Units Options Exercise -100% -22,500 0 27 Feb 2026 Direct
Krish S. Krishnan KRYS Common Stock Tax liability -0.84% -12,056 1,425,975 27 Feb 2026 By Spouse
Krish S. Krishnan KRYS Common Stock Options Exercise 1.88% 26,500 1,436,211 27 Feb 2026 By Spouse
Krish S. Krishnan KRYS Common Stock Tax liability -1.23% -18,528 1,482,825 27 Feb 2026 Direct
Krish S. Krishnan KRYS Common Stock Options Exercise 2.77% 40,725 1,509,075 27 Feb 2026 Direct
Krish S. Krishnan KRYS Restricted Stock Units Award 18,140 18,140 27 Feb 2026 Direct
Krish S. Krishnan KRYS Stock Option (Right to Buy) Award 45,249 45,249 27 Feb 2026 Direct
Krish S. Krishnan KRYS Performance Stock Units Options Exercise -100% -26,250 0 27 Feb 2026 Direct
Krish S. Krishnan KRYS Restricted Stock Units Options Exercise -45.7% -14,475 17,175 27 Feb 2026 Direct
Daniel Janney KRYS Common Stock Sale -13.9% $3,252,824 $275.59 -11,803 73,293 27 Feb 2026 Directly beneficially owned by Alta Bioequities, L.P.
Daniel Janney KRYS Common Stock Sale -8.34% $2,133,679 $275.63 -7,741 85,096 26 Feb 2026 Directly beneficially owned by Alta Bioequities, L.P.
Daniel Janney KRYS Common Stock Sale -0.75% $192,500 $275.00 -700 92,837 25 Feb 2026 Directly beneficially owned by Alta Bioequities, L.P.
Daniel Janney KRYS Common Stock Sale -12.9% $3,709,850 $268.34 -13,825 93,537 24 Feb 2026 Directly beneficially owned by Alta Bioequities, L.P.
Daniel Janney KRYS Common Stock Sale -100% $10,113,354 $266.88 -37,895 0 24 Feb 2026 Direct
Daniel Janney KRYS Common Stock Options Exercise 37,895 37,895 24 Feb 2026 Direct
Daniel Janney KRYS Stock Option (Right to Buy) Options Exercise -100% -37,895 0 24 Feb 2026 Direct
Dino A. Rossi KRYS Common Stock Sale -19.4% $4,953,694 $261.41 -18,950 78,691 19 Feb 2026 Direct
Dino A. Rossi KRYS Common Stock Options Exercise 24.1% 18,950 97,641 19 Feb 2026 Direct
Dino A. Rossi KRYS Stock Option (Right to Buy) Options Exercise -100% -18,950 0 19 Feb 2026 Direct
Kathryn Romano KRYS Common Stock Gift -3.88% -750 18,568 09 Feb 2026 Direct
Kathryn Romano KRYS Common Stock Sale -39.3% $3,401,705 $272.14 -12,500 19,318 09 Feb 2026 Direct
Kathryn Romano KRYS Common Stock Options Exercise 64.7% 12,500 31,818 09 Feb 2026 Direct
Kathryn Romano KRYS Stock Option (Right to Buy) Options Exercise -50% -12,500 12,500 09 Feb 2026 Direct
Suma M. Krishnan KRYS Common Stock Gift -0.34% -5,000 1,478,056 05 Dec 2025 By Spouse
Krish S. Krishnan KRYS Common Stock Gift -0.34% -5,000 1,478,056 05 Dec 2025 Direct
Suma M. Krishnan KRYS Common Stock Sale -1.66% $5,503,395 $220.14 -25,000 1,483,056 04 Dec 2025 By Spouse
Suma M. Krishnan KRYS Common Stock Sale -1.74% $5,503,938 $220.16 -25,000 1,413,711 04 Dec 2025 Direct
* marks a reported price that did not pass the local price check.
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