NASDAQ
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Ambarella, Inc. (AMBA) has had 7 insider transactions recently, with net insider activity of -$35K (net selling). The most active insider is Young John Alexander (Officer: cfo).
Total Transactions
7
1 buys /6 sells
Shares Acquired
400
Transactions: 1•Avg: 400
Shares Disposed
35,271
Transactions: 6•Avg: 5,878.5
Net Activity
-34,871
Net Selling•Ratio: 16.67%
Q2 2026(Current) | 400 | 35,271 | -34,871 | 16.67% |
Q1 2026 | 384,146 | 218,692 | +165,454 | 110.00% |
Q4 2025 | 2,531 | 59,310 | -56,779 | 7.14% |
Q3 2025 | 14,988 | 21,350 | -6,362 | 100.00% |
Q2 2025 | 0 | 12,878 | -12,878 | 0.00% |
This table shows insider trading activity by quarter. A ratio > 100% indicates insiders acquired more shares than they disposed of during the period, which is generally considered a bullish signal.
• Most recent data for Q2 2026
Acquired vs Disposed Shares
Net Distribution: 34,871 shares•Acquired/Disposed Ratio: 16.67%
Net Activity | |||||
|---|---|---|---|---|---|
YJA Young John Alexander | Officer: cfo | 20 | 69,331 | 30,079 | +39,252 |
LCW Lee Chan W | Officer: chief operations officer | 11 | 70,400 | 31,470 | +38,930 |
WF Wang Feng-Ming | Director, officer: ceo | 22 | 199,690 | 219,906 | -20,216 |
CY Chen Yun-Lung | Officer: vp, business development and m | 8 | 30,057 | 13,143 | +16,914 |
KL Kohn Leslie | Director, officer: chief technology officer | 3 | 0 | 5,548 | -5,548 |
This table shows the trading activity of the most active company insiders. Positive net activity (buying more than selling) is often considered a bullish signal.
2026-05-26 | Officer: cfo | Purchase | 400 | $55.8 | $22,320 | 118,023 | |
2026-05-26 | Officer: cfo | Sale | 400 | $96 | $38,400 | 117,623 | |
2026-05-26 | Officer: cfo | Sale | 400 | $55.8 | $22,320 | 24,600 | |
2026-05-26 | Director, officer: ceo | Sale | 17,285 | $90.38 | $1,562,202.74 | 821,276 | |
2026-05-26 | Director, officer: ceo | Sale | 6,065 | $91.23 | $553,306.31 | 815,211 |
This table displays recent Form 4 filings showing transactions by company insiders. SEC rules require insiders to report their transactions within two business days.
YJA Young John Alexander | Officer: cfo | May 28, 2026 | |
YJA Young John Alexander | Officer: cfo | May 28, 2026 | |
YJA Young John Alexander | Officer: cfo | May 28, 2026 | |
WF Wang Feng-Ming | Director, officer: ceo | May 28, 2026 | |
WF Wang Feng-Ming | Director, officer: ceo | May 28, 2026 |
Net change in shares shown on right