PLATENBURG GERARDUS JOHANNES

PrivateCIK: 2115507

PLATENBURG GERARDUS JOHANNES enters PROQR THERAPEUTICS N.V. with 824.39K shares plus derivative instruments

Holding both equity and derivatives at entry signals strong long-term conviction in the company.

Direct Derivatives

PLATENBURG GERARDUS JOHANNES

Filed: 3/18/2026ACC: 0001104659-26-030887

InsiderPLATENBURG GERARDUS JOHANNESCIK 2115507

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IssuerPROQR THERAPEUTICS N.V.CIK 1612940

DirectorOfficer· Chief Scientific Officer

Since Mar 2026

824.39K

Baseline shares

100% direct

824.39K

Direct ownership

1 position

1.28M

Derivative underlying

11 instruments

1

Security positions

All direct

Non-Derivative Holdings1

Ordinary Shares

Direct

Shares owned824.39K

Total

824.39K direct824.39K

Security Title	Shares Owned	Ownership Type
Ordinary Shares	824.39K	Direct
Total	824.39K	824.39K direct

Derivative Holdings11

Share Option (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

152K

Shares owned

N/A

Exercise price

3.41

Expiration

—

Exercise window

—

Share Option (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

159.36K

Shares owned

N/A

Exercise price

2.65

Expiration

—

Exercise window

—

Share Option (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

186.14K

Shares owned

N/A

Exercise price

2.02

Expiration

—

Exercise window

—

Share Option (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

164.72K

Shares owned

N/A

Exercise price

1.98

Expiration

—

Exercise window

—

Share Option (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

79.03K

Shares owned

N/A

Exercise price

4.20

Expiration

—

Exercise window

—

Share Option (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

71.41K

Shares owned

N/A

Exercise price

3.30

Expiration

—

Exercise window

—

Share Option (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

77.35K

Shares owned

N/A

Exercise price

1.02

Expiration

—

Exercise window

—

Share Option (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

17.88K

Shares owned

N/A

Exercise price

15.78

Expiration

—

Exercise window

—

Share Option (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

172.60K

Shares owned

N/A

Exercise price

0.67

Expiration

—

Exercise window

—

Share Option (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

61.45K

Shares owned

N/A

Exercise price

4.90

Expiration

—

Exercise window

—

Share Option (Right to Buy)

Direct

Underlying security

Ordinary Shares

Underlying shares

141.37K

Shares owned

N/A

Exercise price

9.91

Expiration

—

Exercise window

—

Total

Underlying

1.28M

Owned

0.00

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Share Option (Right to Buy) Direct	Ordinary Shares	3.41	—	—	152K	N/A
Share Option (Right to Buy) Direct	Ordinary Shares	2.65	—	—	159.36K	N/A
Share Option (Right to Buy) Direct	Ordinary Shares	2.02	—	—	186.14K	N/A
Share Option (Right to Buy) Direct	Ordinary Shares	1.98	—	—	164.72K	N/A
Share Option (Right to Buy) Direct	Ordinary Shares	4.20	—	—	79.03K	N/A
Share Option (Right to Buy) Direct	Ordinary Shares	3.30	—	—	71.41K	N/A
Share Option (Right to Buy) Direct	Ordinary Shares	1.02	—	—	77.35K	N/A
Share Option (Right to Buy) Direct	Ordinary Shares	15.78	—	—	17.88K	N/A
Share Option (Right to Buy) Direct	Ordinary Shares	0.67	—	—	172.60K	N/A
Share Option (Right to Buy) Direct	Ordinary Shares	4.90	—	—	61.45K	N/A
Share Option (Right to Buy) Direct	Ordinary Shares	9.91	—	—	141.37K	N/A
Total					1.28M	0.00

PLATENBURG GERARDUS JOHANNES — Initial Ownership Disclosure (Form 3) Filed Mar 18, 2026 | Finecho