Insider Profile · SEC Form 4 Activity · Trailing 90 Days
Esaka Fumihide
Over the trailing 90 days, Esaka Fumihide (Other at Ambiq Micro, Inc.) traded $5.2M of stock (net selling $3.2M) in AMBQ, per 8 SEC Form 4 transactions.
- Role
- Other
- Companies
- AMBQ
- Window
- Trailing 90 days · 8 transactions · CIK 2078454
- Net activity
- −$3.2M ($1.0M bought · $4.2M sold)
By Company (Trailing 90 Days)
| Symbol | Company | Txns | Bought | Sold | Net |
|---|---|---|---|---|---|
| AMBQ | Ambiq Micro, Inc. | 8 | $1.0M | $4.2M | −$3.2M |
Transactions (8)
| Date | Symbol | Type | Shares | Value | Description |
|---|---|---|---|---|---|
| 2026-05-15 | AMBQ | Sell | 7.9K | $0 | Exercise or conversion of derivative security |
| 2026-05-15 | AMBQ | Sell | 6.6K | $0 | Exercise or conversion of derivative security |
| 2026-05-15 | AMBQ | Buy | 45.5K | $369K | Exercise or conversion of derivative security |
| 2026-05-15 | AMBQ | Sell | 45.5K | $0 | Exercise or conversion of derivative security |
| 2026-05-15 | AMBQ | Buy | 14.5K | $183K | Exercise or conversion of derivative security |
| 2026-05-14 | AMBQ | Sell | 60.0K | $0 | Exercise or conversion of derivative security |
| 2026-05-14 | AMBQ | Sell | 60.0K | $4.2M | Open market or private sale |
| 2026-05-14 | AMBQ | Buy | 60.0K | $487K | Exercise or conversion of derivative security |
Activity shown covers the trailing 90 days of SEC Form 4 filings. "Buy" and "sell" follow the SEC acquired/disposed codes and include compensation events (grants, option exercises, tax withholding) unless noted. Historical fact, not investment advice.
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