Comparable stake leader
Krish S. Krishnan
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
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.
Quick read
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.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| 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
|
14%
|
$1,554,113,017
4,181,432 shares
|
— | 30 Jun 2026 |
| Soleus Capital Management, L.P. |
13F
Company
|
3.2%
|
$349,092,534
939,254 shares
|
— | 30 Jun 2026 |
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
Net insider flow leans to selling over the last 12 months. Net value: -$79,079,503.
| 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
Showing 1-13 of 13 reporting-owner rows connected to Krystal Biotech, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
| 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 |
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 |