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CIK 0001280263 · Large accelerated filer

AMBARELLA INC

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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
2026-03-17 Young John Alexander CFO Option exercise +3,556 121,649
2026-03-17 Young John Alexander CFO Sale −4,577 $52.77 $242K 117,072
2026-03-17 Young John Alexander CFO Option exercise · Performance Stock Units −3,556 0
2026-03-17 Chen Yun-Lung VP, Business Development and M Option exercise +4,651 73,522
2026-03-17 Chen Yun-Lung VP, Business Development and M Option exercise · Performance Stock Units −4,651 0
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
2026-03-17 Ju Chi-Hong Senior VP, Systems & GM, Asia Option exercise +9,553 168,895
2026-03-17 Ju Chi-Hong Senior VP, Systems & GM, Asia Sale −4,729 $52.77 $250K 164,166
2026-03-17 Ju Chi-Hong Senior VP, Systems & GM, Asia Option exercise · Performance Stock Units −9,553 0
2026-03-17 Wang Feng-Ming CEO Option exercise +27,598 849,934
2026-03-17 Wang Feng-Ming CEO Sale −18,976 $52.77 $1.0M 830,958
2026-03-17 Wang Feng-Ming CEO Option exercise · Performance Stock Units −27,598 0
2026-03-02 Young John Alexander CFO Grant or award +15,201 117,939
2026-03-02 Young John Alexander CFO Grant or award · Performance Stock Units +15,201 15,201
2026-03-02 Chen Yun-Lung VP, Business Development and M Grant or award +7,220 68,871
2026-03-02 Chen Yun-Lung VP, Business Development and M Grant or award · Performance Stock Units +7,220 7,220
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

Page 3 of 30 · 591 trades