OFFER OR

PrivateCIK: 1910424

OFFER OR (Chief Executive Officer) sold 13.4% of their position (709.60K shares) of SIMILARWEB LTD. on the open market

Open‑market sale worth $6.26M — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 6 sales
InsiderOFFER ORCIK 1910424
IssuerSIMILARWEB LTD.CIK 1842731
Officer· Chief Executive Officer
Since Mar 2026
-709.60K
Net shares
Net seller
$6.26M
Total sold
6
Open market trades
0B · 6S
14
Total transactions
563.49K acquired · 1.27M disposed
Non-Derivative Transactions10

Ordinary Shares

Direct
M · Option Exercise

Shares

+228.50K

Price / share

$3.04

Trade value

$694.64K

% of position

4.8%
8/13/2026
4.74M4.97M

Ordinary Shares

Direct
S · Sale

Shares

228.50K

Price / share

$8.82

Trade value

$2.02M

% of position

4.6%
8/13/2026
4.97M4.74M

Ordinary Shares

Direct
M · Option Exercise

Shares

+200K

Price / share

$0.40

Trade value

$80K

% of position

4.2%
8/13/2026
4.74M4.94M

Ordinary Shares

Direct
S · Sale

Shares

200K

Price / share

$8.79

Trade value

$1.76M

% of position

4.0%
8/13/2026
4.94M4.74M

Ordinary Shares

Direct
S · Sale

Shares

106.11K

Price / share

$8.75

Trade value

$928.42K

% of position

2.2%
8/13/2026
4.74M4.64M

Ordinary Shares

Direct
S · Sale

Shares

40K

Price / share

$8.90

Trade value

$356K

% of position

0.9%
8/13/2026
4.64M4.60M

Ordinary Shares

Direct
M · Option Exercise

Shares

+59.99K

Price / share

$3.04

Trade value

$182.38K

% of position

1.3%
8/14/2026
4.60M4.66M

Ordinary Shares

Direct
S · Sale

Shares

59.99K

Price / share

$8.90

Trade value

$533.96K

% of position

1.3%
8/14/2026
4.66M4.60M

Ordinary Shares

Direct
M · Option Exercise

Shares

+75K

Price / share

$0.40

Trade value

$30K

% of position

1.6%
8/14/2026
4.60M4.67M

Ordinary Shares

Direct
S · Sale

Shares

75K

Price / share

$8.85

Trade value

$663.90K

% of position

1.6%
8/14/2026
4.67M4.60M
Total

Net shares

146.10K

Net value

-$5.27M

Derivative Transactions4

Options to purchase one Ordinary Share

Direct
M · Option Exercise
Converts to

Ordinary shares

228.50K shares

Shares

228.50K

Strike price

3.04

Held after

200K

Exercisable

8/13/2026

Options to purchase one Ordinary Share

Direct
M · Option Exercise
Converts to

Ordinary shares

200K shares

Shares

200K

Strike price

0.4

Held after

814K

Exercisable

8/13/2026

Options to purchase one Ordinary Share

Direct
M · Option Exercise
Converts to

Ordinary shares

59.99K shares

Shares

59.99K

Strike price

3.04

Held after

140.01K

Exercisable

8/14/2026

Options to purchase one Ordinary Share

Direct
M · Option Exercise
Converts to

Ordinary shares

75K shares

Shares

75K

Strike price

0.4

Held after

739K

Exercisable

8/14/2026