Ambarella Ownership & Insider Activity

Ambarella (AMBA) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 6.3% of shares outstanding. Institutional investors hold 67.2%. Over the past 90 days, insiders made 6 sales worth $1.1M.

Shares Outstanding

44.141M

Shares Float

36.510M

Insider Shares Owned

2.783M

Insider % Owned

6.3%

Institutional Shares Held

29.668M

Institutional % Held

67.2%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$1.1M total

Net Activity

Net Selling

Net Value (90d)

-$1.1M

Ambarella Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 25, 2026	Christopher Paisley	DIRECTOR	SELL	250.000	$70.76	$18K
Sep 18, 2026	John Young	CFO	SELL	1.896K	$67.28	$128K
Sep 17, 2026	Feng-Ming Wang	CEO	SELL	6.086K	$64.83	$395K
Sep 17, 2026	Chi-Hong Ju	SENIOR VP, SYSTEMS & GM	SELL	2.009K	$64.83	$130K
Sep 17, 2026	Chan W Lee	CHIEF OPERATIONS OFFICER	SELL	2.893K	$64.83	$188K
Sep 17, 2026	John Young	CFO	SELL	3.126K	$64.83	$203K
Jul 9, 2026	Yun-Lung Chen	VP, BUSINESS DEV. & MARKETING	SELL	5.958K	$78.66	$469K
Jul 1, 2026	Chi-Hong Ju	SENIOR VP, SYSTEMS & GM	SELL	10.000K	$88.84	$888K
Jul 1, 2026	Feng-Ming Wang	CEO	SELL	16.250K	$90.08	$1.5M
Jun 26, 2026	Christopher Paisley	DIRECTOR	SELL	250.000	$62.01	$16K
Jun 17, 2026	John Young	CFO	SELL	5.033K	$67.54	$340K
Jun 17, 2026	Chan W Lee	CHIEF OPERATIONS OFFICER	SELL	2.951K	$67.87	$200K
Jun 17, 2026	Chi-Hong Ju	SENIOR VP, SYSTEMS & GM	SELL	2.017K	$67.87	$137K
Jun 17, 2026	Feng-Ming Wang	CEO	SELL	16.204K	$67.87	$421K
Jun 12, 2026	Yun-Lung Chen	VP, BUSINESS DEVELOPMENT AND	SELL	9.856K	$67.06	$661K
May 26, 2026	John Young	CFO	SELL-OPTIONS	—	$75.90	$16K
May 26, 2026	Feng-Ming Wang	CEO	SELL	32.500K	$91.01	$3.0M