[Form 4] Krystal Biotech, Inc. Insider Trading Activity

Insider Trade Summary

Net Seller: 14,127 shares

Net Sell 8 txns

Insider Krishnan Krish S

Role President and CEO

Sold 14,127 shs ($2.12M)

Type	Security	Shares	Price	Value
Sale	Common Stock	6,627	$150.2184	$995K
Sale	Common Stock	300	$151.3867	$45K
Sale	Common Stock	6,500	$150.2252	$976K
Sale	Common Stock	300	$151.3867	$45K
Sale	Common Stock	200	$150.07	$30K
Sale	Common Stock	200	$150.139	$30K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,525,929 shares (Direct); Common Stock — 1,456,711 shares (Indirect, By Spouse); Common Stock — 90,000 shares (Indirect, By Krishnan Spousal Trust); Common Stock — 50,000 shares (Indirect, By Krishnan Family Trust)

Footnotes (8)

1. F1. The sales reported were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person that started on September 12, 2024 and will terminate on September 13, 2025 .
2. F2. The transaction was executed in two trades of 100 shares each at $150 and $150.14, respectively. The price reported above reflects the average sale price.
3. F3. The transaction was executed in multiple trades ranging from $150.00 to $150.8500. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein.
4. F4. The transaction was executed in three trades of 100 shares each at $151.350, $151.40, and $151.41, respectively. The price reported above reflects the average sale price.
5. F5. Directly beneficially owned by the Krishnan Family Trust. The Reporting Person and his spouse are each joint beneficial owners of the trust with joint voting and investment control.
6. F6. The sales reported were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person's spouse, Suma M. Krishnan, that started on September 12, 2024 and will terminate on September 13, 2025.
7. F7. The transaction was executed in multiple trades ranging from $150.1200 to $150.1600. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein.
8. F8. Directly beneficially owned by Suma M. Krishnan, the spouse of the Reporting Person.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Accepted by SEC EDGAR 07/11/2025 - 05:44 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Krishnan Krish S

(Last) (First) (Middle)

C/O KRYSTAL BIOTECH, INC.

2100 WHARTON STREET, SUITE 701

(Street)

PITTSBURGH PA 15203

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Krystal Biotech, Inc. [ KRYS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
X	Officer (give title below)		Other (specify below)
	President and CEO

3. Date of Earliest Transaction (Month/Day/Year)
07/09/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	07/09/2025		S		200(1)	D	$150.07(2)	1,532,856	D
Common Stock	07/10/2025		S		6,627(1)	D	$150.2184(3)	1,526,229	D
Common Stock	07/10/2025		S		300(1)	D	$151.3867(4)	1,525,929	D
Common Stock								90,000	I	By Krishnan Spousal Trust
Common Stock								50,000	I	By Krishnan Family Trust(5)
Common Stock	07/09/2025		S		200(6)	D	$150.139(7)	1,463,511	I	By Spouse(8)
Common Stock	07/10/2025		S		6,500(6)	D	$150.2252(3)	1,457,011	I	By Spouse(8)
Common Stock	07/10/2025		S		300(6)	D	$151.3867(4)	1,456,711	I	By Spouse(8)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The sales reported were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person that started on September 12, 2024 and will terminate on September 13, 2025 .

2. The transaction was executed in two trades of 100 shares each at $150 and $150.14, respectively. The price reported above reflects the average sale price.

3. The transaction was executed in multiple trades ranging from $150.00 to $150.8500. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein.

4. The transaction was executed in three trades of 100 shares each at $151.350, $151.40, and $151.41, respectively. The price reported above reflects the average sale price.

5. Directly beneficially owned by the Krishnan Family Trust. The Reporting Person and his spouse are each joint beneficial owners of the trust with joint voting and investment control.

6. The sales reported were made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person's spouse, Suma M. Krishnan, that started on September 12, 2024 and will terminate on September 13, 2025.

7. The transaction was executed in multiple trades ranging from $150.1200 to $150.1600. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price within the range set forth herein.

8. Directly beneficially owned by Suma M. Krishnan, the spouse of the Reporting Person.

Remarks:

	/s/ Krish S. Krishnan	07/11/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.