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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.

Pace of trading Bought Sold

Who's trading

90 days

  1. Wang Feng-Ming −$395K CEO sold <1% of stake
  2. Young John Alexander −$330K CFO sold 4% of stake
  3. Lee Chan W −$188K Chief Operations Officer sold 2% of stake
  4. Ju Chi-Hong −$130K Senior VP, Systems & GM sold 1% of stake
  5. PAISLEY CHRISTOPHER B −$18K Director sold <1% of stake

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

Date Insider Transaction Shares Price Value Owned after
2026-09-25 PAISLEY CHRISTOPHER B Director Sale 10b5-1 −250 $70.76 $18K 43,930
2026-09-08 PAISLEY CHRISTOPHER B Director Grant or award +3,151 44,180
2026-06-26 PAISLEY CHRISTOPHER B Director Sale 10b5-1 −250 $62.01 $16K 41,029
2025-12-26 PAISLEY CHRISTOPHER B Director Sale −500 $72.18 $36K 41,279
2025-09-02 PAISLEY CHRISTOPHER B Director Grant or award +2,498 41,779
2025-06-25 PAISLEY CHRISTOPHER B Director Sale 10b5-1 −1,000 $62.58 $63K 39,281
2025-03-25 PAISLEY CHRISTOPHER B Director Sale −500 $55.50 $28K 40,281
2024-12-26 PAISLEY CHRISTOPHER B Director Sale −1,500 $73.80 $111K 40,781
2024-09-25 PAISLEY CHRISTOPHER B Director Sale 10b5-1 −500 $53.71 $27K 42,281
2024-08-29 PAISLEY CHRISTOPHER B Director Grant or award +3,374 42,781
2023-12-26 PAISLEY CHRISTOPHER B Director Sale 10b5-1 −500 $63.14 $32K 39,407
2023-08-31 PAISLEY CHRISTOPHER B Director Grant or award +3,218 39,907
2023-06-15 PAISLEY CHRISTOPHER B Director Grant or award +1,559 36,689
2023-03-15 PAISLEY CHRISTOPHER B Director Option exercise +779 35,130
2023-03-15 PAISLEY CHRISTOPHER B Director Option exercise · Restricted Stock Units −779 1,559
2022-12-16 PAISLEY CHRISTOPHER B Director Option exercise +779 34,351
2022-12-16 PAISLEY CHRISTOPHER B Director Option exercise · Restricted Stock Units −779 2,338
2022-10-18 PAISLEY CHRISTOPHER B Director Option exercise +1,555 $38.92 $61K 33,572
2022-10-18 PAISLEY CHRISTOPHER B Director Option exercise · Non-Qualified Stock Option (right to buy) −1,555 0
2022-09-16 PAISLEY CHRISTOPHER B Director Option exercise +377 32,017

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