George Laplante is CFO at AMBARELLA INC (AMBA). They have made 25 open-market trades across 1 company since 2013, most recently 2026-09-25.
CIK 0001280263
Unrated. We grade insiders only on stock they chose to buy on the open market. Grants, option exercises and vesting say nothing about timing, so they don't count — which is why someone can file often and still have no grade. It isn't a bad sign: unrated buys beat every graded tier below A.
0 open-market purchases, against 25 sales. Too few scored purchases to measure a record yet.
| Ticker | Shares | Value |
|---|---|---|
| AMBA | 43,930 | $2.7M |
Shares reported on the most recent Form 4, priced at the 2026-09-28 close.
| Ticker | Type | Traded | Filed | Price | Value | 7d Stock | 30d Stock | 90d Stock |
|---|---|---|---|---|---|---|---|---|
| AMBA | SELL · 10b5-1 | 2026-09-25 | 2026-09-28 | $70.76 | $18K | -8.4% | — | — |
| AMBA | SELL | 2018-09-19 | 2018-09-20 | $35.53 | $285K | +0.7% | -11.3% | -3.3% |
| AMBA | SELL | 2018-09-10 | 2018-09-10 | $38.61 | $619K | -2.0% | -17.3% | +0.4% |
| AMBA | SELL | 2018-06-18 | 2018-06-20 | $43.27 | $241K | -14.3% | -12.8% | -20.0% |
| AMBA | SELL | 2018-03-16 | 2018-03-20 | $53.07 | $296K | -12.5% | -9.6% | -18.8% |
| AMBA | SELL | 2017-12-18 | 2017-12-20 | $57.69 | $485K | +10.2% | -12.2% | -7.7% |
| AMBA | SELL | 2017-09-18 | 2017-09-20 | $46.50 | $260K | +5.9% | +14.9% | +26.3% |
| AMBA | SELL | 2017-06-16 | 2017-06-20 | $48.77 | $472K | -0.9% | +4.8% | -5.0% |
| AMBA | SELL | 2017-03-16 | 2017-03-17 | $56.19 | $363K | -2.3% | -11.0% | -13.7% |
| AMBA | SELL | 2016-12-16 | 2016-12-16 | $54.21 | $485K | +0.9% | -7.8% | +4.1% |
| AMBA | SELL | 2016-09-29 | 2016-10-03 | $70.00 | $700K | -14.7% | -23.3% | -29.1% |
| AMBA | SELL | 2016-09-16 | 2016-09-20 | $67.98 | $659K | +11.3% | -5.0% | -17.6% |
| AMBA | SELL | 2016-09-07 | 2016-09-08 | $67.08 | $2.0M | -1.3% | +3.0% | -15.5% |
| AMBA | SELL | 2016-09-07 | 2016-09-08 | $67.08 | $2.0M | -1.3% | +3.0% | -15.5% |
| AMBA | SELL | 2016-06-16 | 2016-06-20 | $51.97 | $402K | -4.1% | +8.3% | +29.1% |
| AMBA | SELL | 2016-03-16 | 2016-03-18 | $37.12 | $263K | +14.1% | +13.2% | +34.7% |
| AMBA | SELL | 2015-12-16 | 2015-12-18 | $56.97 | $279K | -18.1% | -31.9% | -28.4% |
| AMBA | SELL | 2015-09-16 | 2015-09-17 | $70.80 | $315K | -18.1% | -0.6% | -0.6% |
| AMBA | SELL | 2015-06-16 | 2015-06-18 | $117.60 | $492K | -18.1% | -0.6% | -0.6% |
| AMBA | SELL | 2015-03-17 | 2015-03-19 | $68.22 | $217K | -18.1% | -0.6% | -0.6% |
| AMBA | SELL | 2014-12-16 | 2014-12-18 | $46.15 | $205K | -18.1% | -0.6% | -0.6% |
| AMBA | SELL | 2014-09-16 | 2014-09-17 | $33.66 | $100K | -18.1% | -0.6% | -0.6% |
| AMBA | SELL | 2014-06-16 | 2014-06-18 | $26.55 | $78K | -18.1% | -0.6% | -0.6% |
| AMBA | SELL | 2014-03-18 | 2014-03-20 | $28.00 | $47K | -18.1% | -0.6% | -0.6% |
| AMBA | SELL · 10b5-1 | 2014-03-11 | 2014-03-12 | $30.86 | $1.9M | -18.1% | -0.6% | -0.6% |
Grouped by shared companies and similar filing behaviour. This is a similarity measure, not a ranking or a performance signal.