Martin Alexander Maier - 18 Mar 2026 Form 3 Insider Report for ProQR Therapeutics N.V. (PRQR)

Role
Director
Signature
/s/ Pieter Erik de Ridders, Attorney-in-Fact
Issuer symbol
PRQR
Transactions as of
18 Mar 2026
Net transactions value
$0
Form type
3
Filing time
18 Mar 2026, 16:07:37 UTC

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Maier Martin Alexander Director PROQR THERAPEUTICS N.V., ZERNIKEDREEF 9, LEIDEN, NETHERLANDS /s/ Pieter Erik de Ridders, Attorney-in-Fact 18 Mar 2026 0002116511

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding PRQR Share Option (Right to Buy) 18 Mar 2026 Ordinary Shares 500 $1.02 Direct F1
holding PRQR Share Option (Right to Buy) 18 Mar 2026 Ordinary Shares 500 $3.41 Direct F2
holding PRQR Share Option (Right to Buy) 18 Mar 2026 Ordinary Shares 500 $1.98 Direct F3
holding PRQR Share Option (Right to Buy) 18 Mar 2026 Ordinary Shares 14,186 $1.90 Direct F4
holding PRQR Share Option (Right to Buy) 18 Mar 2026 Ordinary Shares 22,128 $2.65 Direct F5
holding PRQR Share Option (Right to Buy) 18 Mar 2026 Ordinary Shares 25,192 $2.02 Direct F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Fully vested.
F2 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.
F3 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.
F4 25% of the shares subject to such option vest and become exercisable on May 22, 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.
F5 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.
F6 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