DAVIDSON MICHAEL H.

PrivateCIK: 1573785
Location

EMERYVILLE, CA

DAVIDSON MICHAEL H. (Chief Executive Officer) sold 63.8% of their position (306.29K shares) of NEWAMSTERDAM PHARMA CO N.V. on the open market

Open‑market sale worth $10.58M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 7 sales
InsiderDAVIDSON MICHAEL H.CIK 1573785
DirectorOfficer· Chief Executive Officer
Since Mar 2026
-306.29K
Net shares
Net seller
$10.58M
Total sold
7
Open market trades
0B · 7S
13
Total transactions
306.29K acquired · 612.59K disposed
Non-Derivative Transactions10

Ordinary Shares

Direct
M · Option Exercise

Shares

+64.71K

Price / share

Trade value

% of position

14.1%
2/24/2026
459.86K524.57K

Ordinary Shares

Direct
S · Sale

Shares

61.55K

Price / share

$36.13

Trade value

$2.22M

% of position

11.7%
2/24/2026
524.57K463.02K

Ordinary Shares

Direct
S · Sale

Shares

3.16K

Price / share

$36.46

Trade value

$115.25K

% of position

0.7%
2/24/2026
463.02K459.86K

Ordinary Shares

Direct
M · Option Exercise

Shares

+58.25K

Price / share

Trade value

% of position

12.7%
2/25/2026
459.86K518.11K

Ordinary Shares

Direct
S · Sale

Shares

46.52K

Price / share

$35.11

Trade value

$1.63M

% of position

9.0%
2/25/2026
518.11K471.60K

Ordinary Shares

Direct
S · Sale

Shares

10.44K

Price / share

$35.96

Trade value

$375.28K

% of position

2.2%
2/25/2026
471.60K461.16K

Ordinary Shares

Direct
S · Sale

Shares

1.30K

Price / share

$36.68

Trade value

$47.68K

% of position

0.3%
2/25/2026
461.16K459.86K

Ordinary Shares

Direct
M · Option Exercise

Shares

+183.33K

Price / share

Trade value

% of position

39.9%
2/26/2026
459.86K643.19K

Ordinary Shares

Direct
S · Sale

Shares

165.41K

Price / share

$33.63

Trade value

$5.56M

% of position

25.7%
2/26/2026
643.19K477.78K

Ordinary Shares

Direct
S · Sale

Shares

17.92K

Price / share

$34.44

Trade value

$617.30K

% of position

9.3%
2/26/2026
192.07K174.14K
Total

Net shares

+0.00

Net value

-$10.58M

Derivative Transactions3

Option (right to buy)

Direct
M · Option Exercise
Converts to

Ordinary Shares

64.71K shares

Shares

64.71K

Strike price

Held after

924.56K

Exercisable

2/24/2026

Option (right to buy)

Direct
M · Option Exercise
Converts to

Ordinary Shares

58.25K shares

Shares

58.25K

Strike price

Held after

866.31K

Exercisable

2/25/2026

Option (right to buy)

Direct
M · Option Exercise
Converts to

Ordinary Shares

183.33K shares

Shares

183.33K

Strike price

Held after

682.97K

Exercisable

2/26/2026
Non-Derivative Holdings (Post-Transaction)1

Ordinary Shares

Indirect
Shares owned285.71K
Total
285.71K indirect285.71K
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
DAVIDSON MICHAEL H. — Insider Transaction (Form 4) Filed Feb 26, 2026 | Finecho