Updated Jul 16, 2026
Winzeler Jeffrey G has filed 2 SEC Form 4 filings across 1 company in the last 90 days — selling. Lifetime open-market sales: $1.82M.

Jeffrey G. Winzeler is the Chief Financial Officer of Ambiq Micro, Inc., a company specializing in ultra-low power semiconductor solutions. He has been involved in the financial management of the company as it develops innovative technologies in the semiconductor industry.
| Role | Insider |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-04 | AMBQ | Ambiq Micro, Inc. | M — Option exercise | 6.0K | $16.80 | $100K |
| 2026-05-18 | AMBQ | Ambiq Micro, Inc. | M — Option exercise | 6.0K | $16.80 | $100K |
| 2026-05-18 | AMBQ | Ambiq Micro, Inc. | S — Open-market sale | 82 | $70.65 | $6K |
| 2026-05-18 | AMBQ | Ambiq Micro, Inc. | S — Open-market sale | 25.9K | $69.90 | $1.81M |
| 2026-05-18 | AMBQ | Ambiq Micro, Inc. | M — Option exercise | 26.0K | $16.80 | $437K |
| 2026-04-02 | AMBQ | Ambiq Micro, Inc. | A — Grant or award | 41.7K | $0.00 | |
| 2026-03-10 | AMBQ | Ambiq Micro, Inc. | A — Grant or award | 41.7K | $0.00 | |
| 2025-10-02 | AMBQ | Ambiq Micro, Inc. | A — Grant or award | 52.7K | $0.00 |
Jeffrey G. Winzeler is the Chief Financial Officer of Ambiq Micro, Inc., a company specializing in ultra-low power semiconductor solutions. He has been involved in the financial management of the company as it develops innovative technologies in the semiconductor industry.…
2 primary Form 4 filings in the last 90 days, covering 1 company.
Recorded transactions: 0 open-market purchases () and 2 open-market sales ($1.82M) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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