Ambarella, Inc.

AMBA · Technology · Ambarella, Inc. develops low-power system-on-a-chip, semiconductors, and software for edge and physical artificial intelligence, applicatio…

Ambarella, Inc. (AMBA), in the Technology sector, has 28 disclosed filings on Paydirt over the trailing twelve months from 6 corporate insiders: 0 purchases and 28 sales, 1 filed past the deadline. Filers took a median of 2 days from execution to disclosure, and the most recent trade was executed Sep 18 and filed Sep 21. The most active filer was Feng-Ming Wang with 12 filings.

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Filings, ttm

0 buys · 28 sells · 1 late

Traders, ttm

6 insiders

Volume, ttmiDollar value disclosed in the window

$18.0M

estimated for Congress, as filed for insiders

Median delay

execution to disclosure

Last traded

Sep 18

Filed today

ADViAverage daily dollar volume

$138.9M

market data

Share price · 12M

$66.15 (-25.5%)

Adjusted for splits and dividends.

Volume by month

Buys $0 Sells $22.4M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed

Feng-Ming Wang CEO 12 filings JY

John Alexander Young CFO 11 filings CJ

Chi-Hong Ju Sr. Vice President, Systems 10 filings CL

Chan W Lee Chief Operations Officer 7 filings YC

Yun-Lung Chen VP, Business Development and 3 filings LK

Leslie Kohn Chief Technology Officer 3 filings CD

Christopher Day VP, Marketing 1 filing CP

Christopher B Paisley Director 1 filing

Recent filings

John Alexander YoungSALE CFO $128K
1,896 sh × $67.28
Exec Sep 18
Filed Sep 21 · 5:57 PM ET Feng-Ming WangSALE CEO $395K
6,086 sh × $64.83
Exec Sep 17
Filed Sep 18 · 4:51 PM ET Chi-Hong JuSALE Senior VP, Systems & GM $130K
2,009 sh × $64.83
Exec Sep 17
Filed Sep 18 · 4:50 PM ET Chan W LeeSALE Chief Operations Officer $188K
2,893 sh × $64.83
Exec Sep 17
Filed Sep 18 · 4:50 PM ET John Alexander YoungSALE CFO $203K
3,126 sh × $64.83
Exec Sep 17
Filed Sep 18 · 4:50 PM ET Yun-Lung ChenSALE VP, Business Dev. & Marketing $469K
5,958 sh × $78.66
Exec Jul 9
Filed Jul 10 · 4:55 PM ET Chi-Hong JuSALE Senior VP, Systems & GM $888K
10,000 sh × $88.84
Exec Jul 1
Filed Jul 2 · 4:58 PM ET Feng-Ming WangSALE CEO $1.5M
16,250 sh × $90.08
Exec Jul 1
Filed Jul 2 · 4:57 PM ET Feng-Ming WangSALE CEO $421K
6,204 sh × $67.87
Exec Jun 17
Filed Jun 18 · 5:30 PM ET Chi-Hong JuSALE Senior VP, Systems & GM $137K
2,017 sh × $67.87
Exec Jun 17
Filed Jun 18 · 5:30 PM ET Chan W LeeSALE Chief Operations Officer $200K
2,951 sh × $67.87
Exec Jun 17
Filed Jun 18 · 5:30 PM ET John Alexander YoungSALE CFO $340K
5,033 sh across 2 lots
Exec Jun 17
Filed Jun 18 · 5:30 PM ET Yun-Lung ChenSALE VP, Business Development and $661K
9,856 sh × $67.06
Exec Jun 12
Filed Jun 16 · 5:30 PM ET Feng-Ming WangSALE CEO $3.0M
32,500 sh across 3 lots
Exec May 26
Filed May 28 · 5:30 PM ET John Alexander YoungSALE CFO $118K
1,971 sh × $60.00
Exec Apr 21
Filed Apr 22 · 5:30 PM ET Feng-Ming WangSALE CEO $1.4M
27,059 sh across 2 lots
Exec Mar 17
Filed Mar 19 · 5:30 PM ET Chi-Hong JuSALE Senior VP, Systems & GM, Asia $366K
6,884 sh across 2 lots
Exec Mar 17
Filed Mar 19 · 5:30 PM ET Chan W LeeSALE Chief Operations Officer $552K
10,370 sh across 2 lots
Exec Mar 17
Filed Mar 19 · 5:30 PM ET John Alexander YoungSALE CFO $406K
7,615 sh across 2 lots
Exec Mar 17
Filed Mar 19 · 5:30 PM ET Feng-Ming WangSALE CEO $3.0M
49,000 sh across 4 lots
Exec Mar 2
Filed Mar 4 · 5:30 PM ET Chi-Hong JuSALE Senior VP, Systems & GM, Asia $558K
7,945 sh × $70.25
Exec Dec 30 2025
Filed Jan 23 · 5:30 PM ET † Chi-Hong JuSALE Senior VP, Systems & GM, Asia $584K
7,728 sh × $75.58
Exec Jan 5
Filed Jan 7 · 5:30 PM ET Chi-Hong JuSALE Senior VP, Systems & GM, Asia $265K
3,765 sh × $70.32
Exec Dec 30 2025
Filed Dec 31 2025 · 5:30 PM ET Feng-Ming WangSALE CEO $356K
4,950 sh × $71.82
Exec Dec 17 2025
Filed Dec 19 2025 · 5:30 PM ET Chan W LeeSALE Chief Operations Officer $173K
2,406 sh × $71.82
Exec Dec 17 2025
Filed Dec 19 2025 · 5:30 PM ET