InsiderFlow

AMBA

Ambarella, Inc.$63.60-1.26 (-1.94%)
Prev Close$64.86·MCap$2.63B·P/E·Vol285.0K·Yield

Buys (12M)

0

$0.00

Sells (12M)

23

$5.58M

Net Activity

Net Seller

$5.58M

Active Insiders

9

last 12 mo

Over the past 12 months, insider activity at Ambarella, Inc. (AMBA) has been exclusively selling, with 0 insider purchases totaling $0.00 and 23 insider sales totaling $5.58M. The most recent insider transaction was by Ju Chi-Hong (Senior VP, Systems & GM, Asia), who sold $584.1K worth of shares on Jan 5, 2026. Ambarella, Inc. operates in the Technology sector, within the Semiconductors industry, with a market cap of $2.63B.

AMBA Insider Trading Activity

DateInsiderTypeValue
Jan 5, 2026 Ju Chi-HongSell$584.1K
Dec 30, 2025 Ju Chi-HongSell$264.8K
Dec 26, 2025 PAISLEY CHRISTOPHER BSell$36.1K
Dec 17, 2025 Ju Chi-HongSell$96.4K
Dec 17, 2025 Lee Chan WSell$172.8K
Dec 17, 2025 Wang Feng-MingSell$355.5K
Dec 17, 2025 Young John AlexanderSell$461.8K
Dec 16, 2025 Schwarting Elizabeth MSell$45.2K
Oct 13, 2025 Ju Chi-HongSell$909.5K
Oct 6, 2025 Schwarting Elizabeth MSell$227.4K
Sep 17, 2025 Ju Chi-HongSell$92.8K
Sep 17, 2025 Kohn LeslieSell$178.6K
Sep 17, 2025 Lee Chan WSell$154.7K
Sep 17, 2025 Wang Feng-MingSell$391.4K
Sep 17, 2025 Young John AlexanderSell$203.8K
Sep 10, 2025 Chen Yun-LungSell$716.9K
Jun 25, 2025 PAISLEY CHRISTOPHER BSell$62.6K
Jun 17, 2025 Day ChristopherSell$17.9K
Jun 17, 2025 Ju Chi-HongSell$57.9K
Jun 17, 2025 Kohn LeslieSell$89.6K
Jun 17, 2025 Lee Chan WSell$83.7K
Jun 17, 2025 Wang Feng-MingSell$244.4K
Jun 17, 2025 Young John AlexanderSell$127.3K
Mar 25, 2025 PAISLEY CHRISTOPHER BSell$27.8K
Mar 18, 2025 Day ChristopherSell$26.4K
Mar 18, 2025 Ju Chi-HongSell$56.9K
Mar 18, 2025 Kohn LeslieSell$87.2K
Mar 18, 2025 Lee Chan WSell$80.8K
Mar 18, 2025 Wang Feng-MingSell$175.7K
Mar 18, 2025 Young John AlexanderSell$115.7K
Mar 17, 2025 Schwarting Elizabeth MSell$23.6K
Mar 5, 2025 Day ChristopherSell$46.0K
Feb 28, 2025 Ju Chi-HongSell$102.4K
Feb 28, 2025 Kohn LeslieSell$127.6K
Feb 28, 2025 Lee Chan WSell$116.2K
Feb 28, 2025 Wang Feng-MingSell$226.2K
Feb 28, 2025 Young John AlexanderSell$146.8K
Jan 15, 2025 Lee Chan WSell$153.1K
Jan 10, 2025 Lee Chan WSell$223.3K
Jan 6, 2025 Lee Chan WSell$231.4K
Jan 3, 2025 Day ChristopherSell$97.4K
Jan 2, 2025 Lee Chan WSell$148.4K
Dec 26, 2024 PAISLEY CHRISTOPHER BSell$110.7K
Dec 18, 2024 Day ChristopherSell$70.0K
Dec 18, 2024 Schwarting Elizabeth MSell$18.1K
Dec 16, 2024 Day ChristopherSell$36.3K
Dec 16, 2024 Ju Chi-HongSell$79.0K
Dec 16, 2024 Kohn LeslieSell$132.5K
Dec 16, 2024 Lee Chan WSell$112.2K
Dec 16, 2024 Wang Feng-MingSell$324.0K
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AMBA Insider Buying Activity

The following table shows recent insider purchases of Ambarella, Inc. (AMBA) stock reported via SEC Form 4 filings.

No insider buying activity found for AMBA in the last 12 months.

AMBA Insider Selling Activity

The following table shows recent insider sales of Ambarella, Inc. (AMBA) stock reported via SEC Form 4 filings.

DateInsiderTypeValue
Jan 5, 2026 Ju Chi-HongSell$584.1K
Dec 30, 2025 Ju Chi-HongSell$264.8K
Dec 26, 2025 PAISLEY CHRISTOPHER BSell$36.1K
Dec 17, 2025 Ju Chi-HongSell$96.4K
Dec 17, 2025 Lee Chan WSell$172.8K
Dec 17, 2025 Wang Feng-MingSell$355.5K
Dec 17, 2025 Young John AlexanderSell$461.8K
Dec 16, 2025 Schwarting Elizabeth MSell$45.2K
Oct 13, 2025 Ju Chi-HongSell$909.5K
Oct 6, 2025 Schwarting Elizabeth MSell$227.4K
Sep 17, 2025 Ju Chi-HongSell$92.8K
Sep 17, 2025 Kohn LeslieSell$178.6K
Sep 17, 2025 Lee Chan WSell$154.7K
Sep 17, 2025 Wang Feng-MingSell$391.4K
Sep 17, 2025 Young John AlexanderSell$203.8K
Sep 10, 2025 Chen Yun-LungSell$716.9K
Jun 25, 2025 PAISLEY CHRISTOPHER BSell$62.6K
Jun 17, 2025 Day ChristopherSell$17.9K
Jun 17, 2025 Ju Chi-HongSell$57.9K
Jun 17, 2025 Kohn LeslieSell$89.6K
Jun 17, 2025 Lee Chan WSell$83.7K
Jun 17, 2025 Wang Feng-MingSell$244.4K
Jun 17, 2025 Young John AlexanderSell$127.3K
Mar 25, 2025 PAISLEY CHRISTOPHER BSell$27.8K
Mar 18, 2025 Day ChristopherSell$26.4K
Mar 18, 2025 Ju Chi-HongSell$56.9K
Mar 18, 2025 Kohn LeslieSell$87.2K
Mar 18, 2025 Lee Chan WSell$80.8K
Mar 18, 2025 Wang Feng-MingSell$175.7K
Mar 18, 2025 Young John AlexanderSell$115.7K
Mar 17, 2025 Schwarting Elizabeth MSell$23.6K
Mar 5, 2025 Day ChristopherSell$46.0K
Feb 28, 2025 Ju Chi-HongSell$102.4K
Feb 28, 2025 Kohn LeslieSell$127.6K
Feb 28, 2025 Lee Chan WSell$116.2K
Feb 28, 2025 Wang Feng-MingSell$226.2K
Feb 28, 2025 Young John AlexanderSell$146.8K
Jan 15, 2025 Lee Chan WSell$153.1K
Jan 10, 2025 Lee Chan WSell$223.3K
Jan 6, 2025 Lee Chan WSell$231.4K
Jan 3, 2025 Day ChristopherSell$97.4K
Jan 2, 2025 Lee Chan WSell$148.4K
Dec 26, 2024 PAISLEY CHRISTOPHER BSell$110.7K
Dec 18, 2024 Day ChristopherSell$70.0K
Dec 18, 2024 Schwarting Elizabeth MSell$18.1K
Dec 16, 2024 Day ChristopherSell$36.3K
Dec 16, 2024 Ju Chi-HongSell$79.0K
Dec 16, 2024 Kohn LeslieSell$132.5K
Dec 16, 2024 Lee Chan WSell$112.2K
Dec 16, 2024 Wang Feng-MingSell$324.0K

AMBA Insiders

Ju Chi-Hong

Sr. Vice President, Systems

Sold $8.06M
34 tradesLast: Jan 5, 2026
PAISLEY CHRISTOPHER B

Director

Sold $991.4K
13 tradesLast: Dec 26, 2025
Lee Chan W

Chief Operations Officer

Sold $7.32M
25 tradesLast: Dec 17, 2025
Wang Feng-Ming

CEO

Sold $18.77M
25 tradesLast: Dec 17, 2025
Young John Alexander

CFO

Sold $1.57M
10 tradesLast: Dec 17, 2025
Schwarting Elizabeth M

Director

Sold $931.7K
18 tradesLast: Dec 16, 2025
Kohn Leslie

Chief Technology Officer

Sold $11.18M
24 tradesLast: Sep 17, 2025
Chen Yun-Lung

VP, Business Development

Sold $8.38M
8 tradesLast: Sep 10, 2025
Day Christopher

VP, Marketing

Sold $6.21M
38 tradesLast: Jun 17, 2025
Hon Hsiao-Wuen

Director

Sold $28.0K
1 tradesLast: Dec 13, 2024
WHITE BRIAN C

CFO

Sold $1.59M
5 tradesLast: Dec 19, 2023
RICHARDSON DAVID JEFFREY

Director

Sold $2.21M
2 tradesLast: Dec 6, 2023
EICHLER KEVIN C

CFO

Sold $5.76M
8 tradesLast: Mar 16, 2022
VERHALEN ANDREW W

Director

Bought $1.01M
1 tradesLast: Mar 7, 2022
Meng Teresa H

Director

Sold $212.6K
1 tradesLast: Dec 7, 2021
Hu Chenming

Director

Sold $1.63M
3 tradesLast: Sep 22, 2021