ProQR (PRQR) CFO discloses 1,000,000-share option position in Form 3

Rhea-AI Filing Summary

ProQR Therapeutics N.V. Chief Financial Officer Dennis Hom filed an initial ownership report showing holdings of share options over Ordinary Shares. He reports options covering 750,000 shares at an exercise price of $1.66 expiring on April 30, 2035 and options over 250,000 shares at $2.02 expiring on December 31, 2035, with vesting beginning in 2026 and 2027 and continuing in quarterly installments, subject to his continued service.

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^*

Hom Dennis

(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)

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

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)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Share Option (Right to Buy)	(1)	04/30/2035	Ordinary Shares	750,000	$1.66	D
Share Option (Right to Buy)	(2)	12/31/2035	Ordinary Shares	250,000	$2.02	D

Explanation of Responses:

1. 25% of the shares subject to such option vest and become exercisable on May 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.

2. 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)

FAQ

What does ProQR (PRQR) CFO Dennis Hom report in this Form 3?

Dennis Hom reports his initial holdings of share options in ProQR. He lists options over 750,000 Ordinary Shares at $1.66 and 250,000 shares at $2.02, both expiring in 2035, reflecting his equity-based compensation position as CFO.

Are there any stock purchases or sales by the ProQR (PRQR) CFO in this filing?

The filing shows no stock purchases or sales by the CFO. It is an initial ownership statement listing existing option awards, not new trading activity, and transaction summaries indicate no buys, sells, exercises, gifts, or tax-withholding events.

What are the vesting terms of Dennis Hom’s ProQR (PRQR) share options?

One option vests 25% on May 1, 2026, with the remaining 75% in 12 equal quarterly installments. The other vests 25% on January 1, 2027, with the rest in 12 quarterly installments, all conditioned on his continuous service to ProQR.

How many ProQR (PRQR) shares underlie the CFO’s reported options?

The reported options cover a total of 1,000,000 underlying Ordinary Shares. This consists of 750,000 shares tied to options with a $1.66 exercise price and 250,000 shares tied to options with a $2.02 exercise price, all held directly.

What are the expiration dates of the ProQR (PRQR) options held by the CFO?

The CFO’s reported share options expire in 2035. The option over 750,000 underlying shares expires on April 30, 2035, while the option over 250,000 underlying shares expires on December 31, 2035, if not exercised before those dates.