Similarweb Ownership & Insider Activity

Similarweb (SMWB) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.2% of shares outstanding. Institutional investors hold 7.4%. Over the past 90 days, insiders made 9 sales worth $11.4M.

Shares Outstanding

87.601M

Shares Float

53.274M

Insider Shares Owned

143.676K

Insider % Owned

0.2%

Institutional Shares Held

6.503M

Institutional % Held

7.4%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$11.4M total

Net Activity

Net Selling

Net Value (90d)

-$11.4M

Similarweb Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 24, 2026	Oppenheimer Israel as Attorney-in-fact	CHIEF EXECUTIVE OFFICER	SELL	114.300K	$7.69	$879K
Sep 22, 2026	Oppenheimer Israel as Attorney-in-fact	CHIEF EXECUTIVE OFFICER	SELL	62.900K	$8.45	$531K
Sep 18, 2026	Oppenheimer Israel as Attorney-in-fact	CHIEF EXECUTIVE OFFICER	SELL	69.700K	$8.32	$580K
Sep 16, 2026	Oppenheimer Israel as Attorney-in-fact	CHIEF EXECUTIVE OFFICER	SELL	76.119K	$8.38	$638K
Sep 14, 2026	Oppenheimer Israel as Attorney-in-fact	CHIEF EXECUTIVE OFFICER	SELL	79.591K	$8.53	$679K
Sep 14, 2026	Oppenheimer Israel as Attorney-in-fact	CHIEF EXECUTIVE OFFICER	SELL	79.591K	$8.53	$679K
Sep 10, 2026	Oppenheimer Israel as Attorney-in-fact	CHIEF EXECUTIVE OFFICER	SELL	118.200K	$8.06	$952K
Sep 8, 2026	Oppenheimer Israel as Attorney-in-fact	CHIEF EXECUTIVE OFFICER	SELL	147.000K	$8.17	$1.2M
Aug 26, 2026	Oppenheimer Israel as Attorney-in-fact	CHIEF EXECUTIVE OFFICER	SELL-OPTIONS	—	$5.80	$2.5M
Aug 13, 2026	Oppenheimer Israel as Attorney-in-fact	CHIEF EXECUTIVE OFFICER	SELL	146.105K	$5.28	$5.3M
Jun 1, 2026	Oppenheimer Israel as Attorney-in-fact	CHIEF EXECUTIVE OFFICER	BUY	50.000K	$4.15	$208K
May 21, 2026	Barak Eilam	DIRECTOR	BUY	50.000K	$3.86	$193K
May 20, 2026	Harel Moshe Beit-On by: Oppenheimer Israel as Attorney-in-fact	DIRECTOR	BUY	75.000K	$3.89	$292K
May 18, 2026	Or Offer by: Oppenheimer Israel as Attorney-in-fact	CHIEF EXECUTIVE OFFICER	BUY	56.105K	$3.56	$200K
May 18, 2026	Tamar Rapaport Dagim by: Oppenheimer Israel as Attorney-in-fact	DIRECTOR	BUY	40.000K	$3.22	$129K