SHUMAN HARRY (VP Controller, PAO) sold 43.0% of their position (8.30K shares) of MERUS N.V. on the open market

Open‑market sale worth $796.1K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale

SHUMAN HARRY

Filed: 11/28/2025ACC: 0001193125-25-302551

InsiderSHUMAN HARRYCIK 1791115

→

IssuerMERUS N.V.CIK 1651311

Officer· VP Controller, PAO

Since Jan 2020

-8.30K

Net shares

Net seller

$796.1K

Total sold

Open market trades

0B · 1S

Total transactions

8.30K acquired · 16.60K disposed

Non-Derivative Transactions7

Common Shares

Direct

M · Option Exercise

+800.00

Price / share

—

Trade value

—

% of position

7.3%

11/25/2025

11K→11.80K

Common Shares

Direct

M · Option Exercise

+1K

Price / share

—

Trade value

—

% of position

8.5%

11/25/2025

11.80K→12.80K

Common Shares

Direct

M · Option Exercise

+1.80K

Price / share

—

Trade value

—

% of position

14.1%

11/25/2025

12.80K→14.60K

Common Shares

Direct

M · Option Exercise

+2.20K

Price / share

—

Trade value

—

% of position

15.1%

11/25/2025

14.60K→16.80K

Common Shares

Direct

M · Option Exercise

+1.50K

Price / share

—

Trade value

—

% of position

8.9%

11/25/2025

16.80K→18.30K

Common Shares

Direct

M · Option Exercise

+1K

Price / share

—

Trade value

—

% of position

5.5%

11/25/2025

18.30K→19.30K

Common Shares

Direct

S · Sale

−8.30K

Price / share

$95.92

Trade value

$796.14K

% of position

43.0%

11/25/2025

19.30K→11K

Total

Net shares

+0.00

Net value

-$796.14K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Shares Direct	11/25/2025	M · Option Exercise	+800.00	—	—	7.3%	11K	11.80K
Common Shares Direct	11/25/2025	M · Option Exercise	+1K	—	—	8.5%	11.80K	12.80K
Common Shares Direct	11/25/2025	M · Option Exercise	+1.80K	—	—	14.1%	12.80K	14.60K
Common Shares Direct	11/25/2025	M · Option Exercise	+2.20K	—	—	15.1%	14.60K	16.80K
Common Shares Direct	11/25/2025	M · Option Exercise	+1.50K	—	—	8.9%	16.80K	18.30K
Common Shares Direct	11/25/2025	M · Option Exercise	+1K	—	—	5.5%	18.30K	19.30K
Common Shares Direct	11/25/2025	S · Sale	−8.30K	$95.92	$796.14K	43.0%	19.30K	11K
Total			+0.00		-$796.14K

Derivative Transactions6

Share Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Shares

800.00 shares

−800.00

Strike price

18.61

Held after

8.40K

Exercisable

—

11/25/2025

Share Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Shares

1K shares

−1K

Strike price

24.61

Held after

16K

Exercisable

—

11/25/2025

Share Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Shares

1.80K shares

−1.80K

Strike price

13.23

Held after

4.70K

Exercisable

—

11/25/2025

Share Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Shares

2.20K shares

−2.20K

Strike price

24.43

Held after

13.30K

Exercisable

—

11/25/2025

Share Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Shares

1.50K shares

−1.50K

Strike price

20.15

Held after

Exercisable

—

11/25/2025

Share Option (right to buy)

Direct

M · Option Exercise

Converts to

Common Shares

1K shares

−1K

Strike price

16.07

Held after

14.50K

Exercisable

—

11/25/2025

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Share Option (right to buy) Direct	Common Shares800.00 shares	11/25/2025	M · Option Exercise	−800.00	18.61	—	8.40K
Share Option (right to buy) Direct	Common Shares1K shares	11/25/2025	M · Option Exercise	−1K	24.61	—	16K
Share Option (right to buy) Direct	Common Shares1.80K shares	11/25/2025	M · Option Exercise	−1.80K	13.23	—	4.70K
Share Option (right to buy) Direct	Common Shares2.20K shares	11/25/2025	M · Option Exercise	−2.20K	24.43	—	13.30K
Share Option (right to buy) Direct	Common Shares1.50K shares	11/25/2025	M · Option Exercise	−1.50K	20.15	—	5K
Share Option (right to buy) Direct	Common Shares1K shares	11/25/2025	M · Option Exercise	−1K	16.07	—	14.50K