SEC FORM 3

SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

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1. Name and Address of Reporting Person^*

Platenburg Gerardus Johannes

(Last)

(First)

(Middle)

PROQR THERAPEUTICS N.V.

ZERNIKEDREEF 9

(Street)

LEIDEN

2333 CK

(City)

(State)

(Zip)

NETHERLANDS

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
ProQR Therapeutics N.V. [ PRQR ]

3a. Foreign Trading Symbol
[N/A]

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

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

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	Chief Scientific Officer

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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares	824,388	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Share Option (Right to Buy)	⁽¹⁾	12/31/2026	Ordinary Shares	61,453	$4.9	D
Share Option (Right to Buy)	⁽¹⁾	12/31/2027	Ordinary Shares	71,409	$3.3	D
Share Option (Right to Buy)	⁽¹⁾	12/31/2028	Ordinary Shares	17,878	$15.78	D
Share Option (Right to Buy)	⁽¹⁾	12/31/2029	Ordinary Shares	141,369	$9.91	D
Share Option (Right to Buy)	⁽¹⁾	12/31/2030	Ordinary Shares	79,033	$4.2	D
Share Option (Right to Buy)	⁽¹⁾	02/29/2032	Ordinary Shares	77,353	$1.02	D
Share Option (Right to Buy)	⁽¹⁾	04/30/2032	Ordinary Shares	172,603	$0.67	D
Share Option (Right to Buy)	⁽²⁾	12/31/2032	Ordinary Shares	152,000	$3.41	D
Share Option (Right to Buy)	⁽³⁾	12/31/2033	Ordinary Shares	164,715	$1.98	D
Share Option (Right to Buy)	⁽⁴⁾	12/31/2034	Ordinary Shares	159,358	$2.65	D
Share Option (Right to Buy)	⁽⁵⁾	12/31/2035	Ordinary Shares	186,139	$2.02	D

Explanation of Responses:

1. Fully vested.

2. 25% of the shares subject to such option vest and become exercisable on January 1, 2024, and the remaining 75% vest in 12 substantially equal quarterly installments thereafter, subject to the Reporting Person's continuous service to the Issuer on each such date.

3. 25% of the shares subject to such option vest and become exercisable on January 1, 2025, and the remaining 75% vest in 12 substantially equal quarterly installments thereafter, subject to the Reporting Person's continuous service to the Issuer on each such date.

4. 25% of the shares subject to such option vest and become exercisable on January 1, 2026, and the remaining 75% vest in 12 substantially equal quarterly installments thereafter, subject to the Reporting Person's continuous service to the Issuer on each such date.

5. 25% of the shares subject to such option vest and become exercisable on January 1, 2027, and the remaining 75% vest in 12 substantially equal quarterly installments thereafter, subject to the Reporting Person's continuous service to the Issuer on each such date.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Pieter Erik de Ridders, Attorney-in-Fact	03/18/2026
	** 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 5 (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.
* Form 3: SEC 1473 (03-26)