Winzeler Jeffrey G Insider Trading -- Recent SEC Form 4 Transactions
Winzeler Jeffrey G (CIK 1312143) reported 11 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-10-06). Recent activity: Sell AMBQ (2,343 shares), Sell AMBQ (2,828 shares), Sell AMBQ (284 shares), Buy AMBQ (5,952 shares), Buy AMBQ (26,000 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-06 | Ambiq Micro, Inc. (AMBQ) | Chief Financial Officer | Sell | 2,343 | $161,921 |
| 2026-10-06 | Ambiq Micro, Inc. (AMBQ) | Chief Financial Officer | Sell | 2,828 | $197,316 |
| 2026-10-06 | Ambiq Micro, Inc. (AMBQ) | Chief Financial Officer | Sell | 284 | $20,408 |
| 2026-06-04 | Ambiq Micro, Inc. (AMBQ) | Chief Financial Officer | Buy | 5,952 | $99,994 |
| 2026-05-18 | Ambiq Micro, Inc. (AMBQ) | Chief Financial Officer | Buy | 26,000 | $436,800 |
| 2026-05-18 | Ambiq Micro, Inc. (AMBQ) | Chief Financial Officer | Sell | 25,918 | $1.8M |
| 2026-05-18 | Ambiq Micro, Inc. (AMBQ) | Chief Financial Officer | Sell | 82 | $5,793 |
| 2026-05-18 | Ambiq Micro, Inc. (AMBQ) | Chief Financial Officer | Buy | 5,952 | $99,994 |
| 2026-04-02 | Ambiq Micro, Inc. (AMBQ) | Chief Financial Officer | Buy | 41,728 | $0 |
| 2026-03-10 | Ambiq Micro, Inc. (AMBQ) | Chief Financial Officer | Buy | 41,728 | $0 |
| 2025-10-06 | Ambiq Micro, Inc. (AMBQ) | Chief Financial Officer | Buy | 52,667 | $0 |
Source: SEC Form 4 filings · as of 2026-10-06