Day Christopher
SEC CIK 1558685 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| AMBA | AMBARELLA INC | VP, Marketing | 15.1K | — | $4.57M | 45 | 2021-12-03 | 2025-06-17 |
Most active insiders at AMBA, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Wang Feng-Ming | CEO, Dir | — | $10.07M |
| 2 | Ju Chi-Hong | Senior VP, Systems, GM, Asia | — | $3.93M |
| 3 | Young John Alexander | CFO | — | $1.69M |
| 4 | Chen Yun-Lung | VP, Business Development, M | — | $1.13M |
| 5 | Lee Chan W | Chief Ops Off | — | $1.11M |
| 6 | Schwarting Elizabeth M | Dir | — | $272.6K |
| 7 | PAISLEY CHRISTOPHER B | Dir | — | $51.6K |
| 8 | Breithaupt Chantelle Yvette | Dir | — | — |
| 9 | Bryant Gregory M | Dir | — | — |
| 10 | Hon Hsiao-Wuen | Dir | — | — |
Day Christopher made no open-market trades at AMBA in the last 12 months.
Transactions 45
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025-06-20 | 2025-06-17 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $52.26 | -342 | 15.1K | -2% | -$17.9K | |
| 2025-03-20 | 2025-03-18 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $55.02 | -479 | 15.4K | -3% | -$26.4K | |
| 2025-03-07 | 2025-03-06 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $55.11 | -834 | 15.7K | -5% | -$46.0K | |
| 2025-03-07 | 2025-03-05 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | A - Grant | $0.00 | +1,990 | 16.5K | +14% | $0 | |
| 2025-01-07 | 2025-01-03 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $78.10 | -1,247 | 14.5K | -8% | -$97.4K | |
| M | 2024-12-20 | 2024-12-18 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $75.40 | -929 | 16.6K | -5% | -$70.0K |
| 2024-12-18 | 2024-12-16 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $75.41 | -482 | 16.7K | -3% | -$36.3K | |
| 2024-12-03 | 2024-12-02 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $71.61 | -1,278 | 17.2K | -7% | -$91.5K | |
| 2024-10-04 | 2024-10-03 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $58.00 | -2,904 | 18.5K | -14% | -$168.4K | |
| 2024-09-19 | 2024-09-17 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $53.54 | -483 | 21.4K | -2% | -$25.9K | |
| 2024-07-10 | 2024-07-08 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $61.66 | -1,408 | 21.6K | -6% | -$86.8K | |
| 2024-06-20 | 2024-06-18 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $55.48 | -487 | 23.0K | -2% | -$27.0K | |
| 2024-03-20 | 2024-03-18 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $49.27 | -416 | 23.5K | -2% | -$20.5K | |
| 2024-03-11 | 2024-03-07 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | A - Grant | $0.00 | +726 | 24.0K | +3% | $0 | |
| 2024-03-11 | 2024-03-08 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $57.16 | -302 | 23.7K | -1% | -$17.3K | |
| D | 2024-03-04 | 2024-02-29 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | A - Grant | $0.00 | +7,284 | 23.3K | +46% | $0 |
| 2023-12-21 | 2023-12-19 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $63.04 | -360 | 16.0K | -2% | -$22.7K | |
| 2023-09-20 | 2023-09-18 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $57.30 | -351 | 16.3K | -2% | -$20.1K | |
| 2023-07-14 | 2023-07-12 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $82.50 | -2,285 | 16.5K | -12% | -$188.5K | |
| 2023-06-20 | 2023-06-20 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $84.80 | -354 | 18.8K | -2% | -$30.0K | |
| 2023-06-20 | 2023-06-15 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | A - Grant | $0.00 | +8,340 | 19.2K | +77% | $0 | |
| 2023-06-14 | 2023-06-13 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $86.94 | -3,000 | 10.8K | -22% | -$260.8K | |
| 2023-06-12 | 2023-06-09 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $82.97 | -4,286 | 13.8K | -24% | -$355.6K | |
| 2023-04-14 | 2023-04-13 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $69.24 | -3,675 | 18.1K | -17% | -$254.5K | |
| D | 2023-03-17 | 2023-03-15 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | M - OptEx | — | +6,925 | 24.2K | +40% | — |
| D | 2023-03-17 | 2023-03-17 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale+OE | $76.85 | -2,420 | 21.8K | -10% | -$186.0K |
| 2023-03-10 | 2023-03-08 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | A - Grant | $0.00 | +867 | 17.5K | +5% | $0 | |
| 2023-03-10 | 2023-03-09 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $82.25 | -358 | 17.1K | -2% | -$29.4K | |
| DM | 2022-12-20 | 2022-12-16+ | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale+OE | $82.06 | -3,115 | 16.6K | -16% | -$255.6K |
| D | 2022-12-20 | 2022-12-16 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | M - OptEx | — | +1,304 | 19.7K | +7% | — |
| M | 2022-12-15 | 2022-12-14 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $90.82 | -2,333 | 18.4K | -11% | -$211.9K |
| D | 2022-09-20 | 2022-09-16 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | M - OptEx | — | +1,305 | 21.4K | +6% | — |
| D | 2022-09-20 | 2022-09-16 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale+OE | $63.25 | -670 | 20.7K | -3% | -$42.4K |
| D | 2022-06-17 | 2022-06-16 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale+OE | $66.27 | -704 | 20.0K | -3% | -$46.7K |
| D | 2022-06-17 | 2022-06-16 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | M - OptEx | — | +1,303 | 20.7K | +7% | — |
| D | 2022-03-18 | 2022-03-16 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | M - OptEx | — | +17.6K | 26.8K | +193% | — |
| D | 2022-03-18 | 2022-03-16 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale+OE | $91.20 | -7,405 | 19.4K | -28% | -$675.3K |
| 2022-03-14 | 2022-03-14 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $84.42 | -713 | 9,042 | -7% | -$60.2K | |
| 2022-03-10 | 2022-03-08 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | A - Grant | $0.00 | +1,862 | 9,755 | +24% | $0 | |
| 2021-12-28 | 2021-12-27 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $205.00 | -724 | 7,893 | -8% | -$148.4K | |
| D | 2021-12-17 | 2021-12-16 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale+OE | $188.86 | -890 | 8,617 | -9% | -$168.1K |
| D | 2021-12-17 | 2021-12-16 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | M - OptEx | — | +1,614 | 9,507 | +20% | — |
| M | 2021-12-08 | 2021-12-07 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale | $207.79 | -3,496 | 8,086 | -30% | -$726.4K |
| 2021-12-07 | 2021-12-03 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | M - OptEx | — | +1,613 | 12.2K | +15% | — | |
| 2021-12-07 | 2021-12-03 | AMBA | AMBARELLA INC | Day Christopher | VP, Marketing | S - Sale+OE | $192.69 | -832 | 11.4K | -7% | -$160.3K |
Purchase Sale Sale after option exercise All abbreviations