Sign in

CIK 0001280263 · Large accelerated filer

AMBARELLA INC

Sign in to watch
Ticker
AMBA
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
FY end
Jan 31
Entity type
operating
EIN
980459628
Phone
408-734-8888
Business address
3001 TASMAN DRIVE, SANTA CLARA, CA, 95054
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$1,060,264
in 6 filings, $145K under 10b5-1 plans

Net −$1,060,264. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-09-17 Lee Chan W Chief Operations Officer Sale −2,893 $64.83 $188K 154,443
2026-06-17 Lee Chan W Chief Operations Officer Sale −2,951 $67.87 $200K 157,098
2026-03-19 Lee Chan W Chief Operations Officer Sale −3,641 $54.14 $197K 160,049
2026-03-18 Lee Chan W Chief Operations Officer Grant or award +7,320 163,690
2026-03-17 Lee Chan W Chief Operations Officer Option exercise +13,678 163,099
2026-03-17 Lee Chan W Chief Operations Officer Sale −6,729 $52.77 $355K 156,370
2026-03-17 Lee Chan W Chief Operations Officer Option exercise · Performance Stock Units −13,678 0
2026-03-02 Lee Chan W Chief Operations Officer Grant or award +24,701 149,267
2026-03-02 Lee Chan W Chief Operations Officer Grant or award · Performance Stock Units +24,701 24,701
2025-12-17 Lee Chan W Chief Operations Officer Sale −2,406 $71.82 $173K 124,566
2025-09-17 Lee Chan W Chief Operating Officer Sale −1,947 $79.43 $155K 126,972
2025-06-17 Lee Chan W Chief Operating Officer Sale −1,601 $52.26 $84K 128,696
2025-03-18 Lee Chan W Chief Operating Officer Sale −1,468 $55.02 $81K 130,297
2025-03-06 Lee Chan W Chief Operating Officer Sale −2,108 $55.11 $116K 131,531
2025-03-05 Lee Chan W Chief Operating Officer Grant or award +5,465 133,639
2025-02-28 Lee Chan W Chief Operating Officer Grant or award +18,256 128,174
2025-02-28 Lee Chan W Chief Operating Officer Grant or award · Performance Stock Units +18,256 18,256
2025-01-16 Lee Chan W Chief Operating Officer Sale −1,000 $77.21 $77K 109,918
2025-01-15 Lee Chan W Chief Operating Officer Sale −1,000 $75.90 $76K 110,918
2025-01-14 Lee Chan W Chief Operating Officer Sale −1,000 $75.68 $76K 111,918

Page 1 of 5 · 82 trades