Key facts
- This page summarizes Suma M. Krishnan's Form 4 filing for Krystal Biotech, Inc. (KRYS).
- 15 reported transactions and 5 derivative rows are listed below.
- Accepted by SEC: 03 Mar 2026, 18:33.
Suma M. Krishnan - 27 Feb 2026 Form 4 Insider Report for Krystal Biotech, Inc. (KRYS)
- Reporting relationship
- President, R&D, Director, 10%+ Owner
- Issuer ticker
- KRYS
- Reported as of
- 27 Feb 2026
- Net transaction value
- -$8,430,174
- SEC form
- 4
- Accepted by SEC
- 03 Mar 2026, 18:33:07 UTC
- Prior SEC filing
- 05 Dec 2025
- Next SEC filing
- 06 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Suma M. Krishnan
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Suma M. Krishnan filed Form 4 for Krystal Biotech, Inc. (KRYS) on 03 Mar 2026.
Change
- Previous filing in this sequence was filed on 05 Dec 2025.
- Current net transaction value: -$8,430,174.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001298711
Primary reporting owner
Krishnan Suma
- Relationship
- President, R&D, Director, 10%+ Owner
- Address
- C/O KRYSTAL BIOTECH, INC., 2100 WHARTON STREET, SUITE 701, PITTSBURGH
- Signature
- /s/ Suma M. Krishnan
- Signature date
- 03 Mar 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
KRYS
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +22,500
- Change %
- +1.6%
- Price
- $0.000000
- Shares after
- 1,436,211
- Date
- 27 Feb 2026
- Ownership
- Direct
- Footnotes
- F1
KRYS
transaction
Common Stock
Tax liability
- Transaction value
- $2,821,451
- Shares
- -10,236
- Change %
- -0.71%
- Price
- $275.64
- Shares after
- 1,425,975
- Date
- 27 Feb 2026
- Ownership
- Direct
- Footnotes
- F2, F3
KRYS
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +4,000
- Change %
- +0.28%
- Price
- $0.000000
- Shares after
- 1,429,975
- Date
- 27 Feb 2026
- Ownership
- Direct
- Footnotes
- F4
KRYS
transaction
Common Stock
Tax liability
- Transaction value
- $501,665
- Shares
- -1,820
- Change %
- -0.13%
- Price
- $275.64
- Shares after
- 1,428,155
- Date
- 27 Feb 2026
- Ownership
- Direct
- Footnotes
- F3, F5
KRYS
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +8,750
- Change %
- +0.59%
- Price
- $0.000000
- Shares after
- 1,486,806
- Date
- 27 Feb 2026
- Ownership
- By Spouse
- Footnotes
- F6, F7, F8
KRYS
transaction
Common Stock
Tax liability
- Transaction value
- $1,097,323
- Shares
- -3,981
- Change %
- -0.27%
- Price
- $275.64
- Shares after
- 1,482,825
- Date
- 27 Feb 2026
- Ownership
- By Spouse
- Footnotes
- F3, F7, F8, F9
KRYS
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +26,250
- Change %
- +1.8%
- Price
- $0.000000
- Shares after
- 1,509,075
- Date
- 27 Feb 2026
- Ownership
- By Spouse
- Footnotes
- F7, F8, F10
KRYS
transaction
Common Stock
Tax liability
- Transaction value
- $3,291,693
- Shares
- -11,942
- Change %
- -0.79%
- Price
- $275.64
- Shares after
- 1,497,133
- Date
- 27 Feb 2026
- Ownership
- By Spouse
- Footnotes
- F3, F7, F8, F11
KRYS
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +5,725
- Change %
- +0.38%
- Price
- $0.000000
- Shares after
- 1,502,858
- Date
- 27 Feb 2026
- Ownership
- By Spouse
- Footnotes
- F7, F8, F12
KRYS
transaction
Common Stock
Tax liability
- Transaction value
- $718,042
- Shares
- -2,605
- Change %
- -0.17%
- Price
- $275.64
- Shares after
- 1,500,253
- Date
- 27 Feb 2026
- Ownership
- By Spouse
- Footnotes
- F3, F7, F8, F13
KRYS
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 90,000
- Date
- 27 Feb 2026
- Ownership
- By SMK Trust
KRYS
holding
Common Stock
No transaction description listed
- Transaction value
- Shares
- Change %
- Price
- Shares after
- 50,000
- Date
- 27 Feb 2026
- Ownership
- By Krishnan Family Trust
- Footnotes
- F14
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
KRYS
transaction
Derivative
Performance Stock Units
Options Exercise
- Transaction value
- $0
- Shares
- -22,500
- Change %
- -100%
- Price
- $0.000000
- Shares after
- 0
- Date
- 27 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 22,500
- Exercise price
- Footnotes
- F1
KRYS
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- $0
- Shares
- -4,000
- Change %
- -25%
- Price
- $0.000000
- Shares after
- 12,000
- Date
- 27 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 4,000
- Exercise price
- Footnotes
- F4
KRYS
transaction
Derivative
Stock Option (Right to Buy)
Award
- Transaction value
- $0
- Shares
- +18,100
- Change %
- Price
- $0.000000
- Shares after
- 18,100
- Date
- 27 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 18,100
- Exercise price
- $275.64
- Footnotes
- F15
KRYS
transaction
Derivative
Restricted Stock Units
Award
- Transaction value
- $0
- Shares
- +7,256
- Change %
- Price
- $0.000000
- Shares after
- 7,256
- Date
- 27 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 7,256
- Exercise price
- Footnotes
- F16, F17
KRYS
transaction
Derivative
Performance Stock Units
Award
- Transaction value
- $0
- Shares
- +43,536
- Change %
- Price
- $0.000000
- Shares after
- 43,536
- Date
- 27 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 43,536
- Exercise price
- Footnotes
- F18, F19, F20, F21
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 21 footnotes
Footnote F1
45,000 performance stock units ("PSUs") were granted on February 29, 2024. Each PSU represented a contingent right to receive one share of the Company's common stock, subject to the achievement of certain performance criteria during the year ended December 31, 2024, as approved by the Company's Compensation Committee, and the Reporting Person's continued service to the Company on each applicable vesting date following such achievement. The PSUs vested ratably over a two-year period. All of the performance criteria were achieved and the remaining one-half of the PSUs granted, or 22,500 PSUs, vested on February 27, 2026.
Footnote F2
Represents the number of shares of common stock surrendered to the Company for tax withholding upon the vesting of 22,500 PSUs on February 27, 2026.
Footnote F3
The closing price on February 27, 2026 of the Company's common stock on the Nasdaq Global Select Market.
Footnote F4
16,000 restricted stock units ("RSUs") were granted on February 28, 2025. Each RSU represents a contingent right to receive one share of the Company's common stock, subject to the Reporting Person's continued service to the Company on each applicable vesting date. The RSUs vest ratably over a four-year period with the first installment, or 4,000 RSUs, vesting on February 27, 2026.
Footnote F5
Represents the number of shares of common stock surrendered to the Company for tax withholding upon the vesting of 4,000 RSUs on February 27, 2026.
Footnote F6
35,000 restricted stock units ("RSUs") were granted on February 29, 2024, to the Reporting Person's spouse, Krish S. Krishnan. Each RSU represents a contingent right to receive one share of the Company's common stock, subject to the Reporting Person's spouse continued service to the Company on each applicable vesting date. The RSUs vest ratably over a four-year period with the second installment, or 8,750 RSUs, vesting on February 27, 2026.
Footnote F7
These same shares are also being reported on a Form 4 by the Reporting Person's spouse, Krish S. Krishnan.
Footnote F8
Directly beneficially owned by Krish S. Krishnan, the spouse of the Reporting Person.
Footnote F9
Represents number of shares of common stock surrendered to the Company for tax withholding by the Reporting Person's spouse, Krish S. Krishnan, upon the vesting of 8,750 RSUs on February 27, 2026.
Footnote F10
52,500 PSUs were granted on February 29, 2024, to the Reporting Person's spouse, Krish S. Krishnan. Each PSU represented a contingent right to receive one share of the Company's common stock, subject to the achievement of certain performance criteria during the year ended December 31, 2024, as approved by the Company's Compensation Committee, and the Reporting Person's spouse continued service to the Company on each applicable vesting date following such achievement. The PSUs vested ratably over a two-year period. All of the performance criteria were achieved and the remaining one-half of the PSUs granted, or 26,250 PSUs, vested on February 27, 2026.
Footnote F11
Represents number of shares of common stock surrendered to the Company for tax withholding by the Reporting Person's spouse, Krish S. Krishnan, upon the vesting of 26,250 PSUs on February 27, 2026.
Footnote F12
22,900 restricted stock units ("RSUs") were granted on February 28, 2025, to the Reporting Person's spouse, Krish S. Krishnan. Each RSU represents a contingent right to receive one share of the Company's common stock, subject to the Reporting Person's spouse continued service to the Company on each applicable vesting date. The RSUs vest ratably over a four-year period with the first installment, or 5,725 RSUs, vesting on February 27, 2026.
Footnote F13
Represents number of shares of common stock surrendered to the Company for tax withholding by the Reporting Person's spouse, Krish S. Krishnan, upon the vesting of 5,725 RSUs on February 27, 2026.
Footnote F14
Directly beneficially owned by the Krishnan Family Trust. The reporting person and her spouse are each joint beneficial owners of the trust with joint voting and investment control.
Footnote F15
The stock options vest in four equal annual installments beginning on February 27, 2027.
Footnote F16
Each RSU represents a contingent right to receive one share of the Company's common stock, subject to the Reporting Person's continued service to the Company on each applicable vesting date.
Footnote F17
The RSUs vest in four equal annual installments with the first installment vesting on February 27, 2027.
Footnote F18
Each PSU represents a contingent right to receive one share of the Company's common stock, subject to the achievement of certain performance criteria during the three year performance period, as approved by the Company's Compensation Committee, and the Reporting Person's continued service to the Company on the vesting date.
Footnote F19
The number of PSUs in this column represents the number of shares of common stock the Reporting Person will receive assuming achievement of all of the performance criteria set by the Company's Compensation Committee for this PSU award and full vesting of this PSU award.
Footnote F20
If any applicable portion of the performance criteria have been achieved, the PSU award shall cliff vest on February 27, 2029.
Footnote F21
If some or all of the performance criteria are not achieved, the applicable portion of the PSU award will be forfeited.