OFFER OR

PrivateCIK: 1910424

OFFER OR enters SIMILARWEB LTD. with 4.64M shares plus derivative instruments

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

Direct Derivatives

OFFER OR

Filed: 3/26/2026ACC: 0001976408-26-000291

InsiderOFFER ORCIK 1910424

→

IssuerSIMILARWEB LTD.CIK 1842731

Officer· Chief Executive Officer

Since Mar 2026

4.64M

Baseline shares

100% direct

4.64M

Direct ownership

9 positions

2.45M

Derivative underlying

4 instruments

9

Security positions

All direct

Non-Derivative Holdings9

Ordinary shares

Direct

Shares owned3.65M

Restricted Share Units, each representing one Ordinary Share

Direct

Shares owned47.50K

Restricted Share Units, each representing one Ordinary Share

Direct

Shares owned47.50K

Restricted Share Units, each representing one Ordinary Share

Direct

Shares owned150K

Restricted Share Units, each representing one Ordinary Share

Direct

Shares owned98K

Restricted Share Units, each representing one Ordinary Share

Direct

Shares owned98K

Restricted Share Units, each representing one Ordinary Share

Direct

Shares owned200K

Restricted Share Units, each representing one Ordinary Share

Direct

Shares owned200K

Restricted Share Units, each representing one Ordinary Share

Direct

Shares owned150K

Total

4.64M direct4.64M

Security Title	Shares Owned	Ownership Type
Ordinary shares	3.65M	Direct
Restricted Share Units, each representing one Ordinary Share	47.50K	Direct
Restricted Share Units, each representing one Ordinary Share	47.50K	Direct
Restricted Share Units, each representing one Ordinary Share	150K	Direct
Restricted Share Units, each representing one Ordinary Share	98K	Direct
Restricted Share Units, each representing one Ordinary Share	98K	Direct
Restricted Share Units, each representing one Ordinary Share	200K	Direct
Restricted Share Units, each representing one Ordinary Share	200K	Direct
Restricted Share Units, each representing one Ordinary Share	150K	Direct
Total	4.64M	4.64M direct

Derivative Holdings4

Options to purchase one Ordinary Share

Direct

Underlying security

Ordinary shares, par value NIS 0.01 per share

Underlying shares

1.01M

Shares owned

N/A

Exercise price

0.4

Expiration

—

Exercise window

—

Options to purchase one Ordinary Share

Direct

Underlying security

Ordinary shares, par value NIS 0.01 per share

Underlying shares

564.82K

Shares owned

N/A

Exercise price

2.71

Expiration

—

Exercise window

—

Options to purchase one Ordinary Share

Direct

Underlying security

Ordinary shares, par value NIS 0.01 per share

Underlying shares

428.50K

Shares owned

N/A

Exercise price

3.04

Expiration

—

Exercise window

—

Options to purchase one Ordinary Share

Direct

Underlying security

Ordinary shares, par value NIS 0.01 per share

Underlying shares

439.30K

Shares owned

N/A

Exercise price

2.71

Expiration

—

Exercise window

—

Total

Underlying

2.45M

Owned

0.00

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Options to purchase one Ordinary Share Direct	Ordinary shares, par value NIS 0.01 per share	0.4	—	—	1.01M	N/A
Options to purchase one Ordinary Share Direct	Ordinary shares, par value NIS 0.01 per share	2.71	—	—	564.82K	N/A
Options to purchase one Ordinary Share Direct	Ordinary shares, par value NIS 0.01 per share	3.04	—	—	428.50K	N/A
Options to purchase one Ordinary Share Direct	Ordinary shares, par value NIS 0.01 per share	2.71	—	—	439.30K	N/A
Total					2.45M	0.00

OFFER OR — Initial Ownership Disclosure (Form 3) Filed Mar 26, 2026 | Finecho