Winzeler Jeffrey G
Officer · AMBQ
As of 2026-09-16, Winzeler Jeffrey G has 10 Form 4 transactions on record across 1 company — 10 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
- Direct $6.3M
- Indirect $0
| AMBQ | direct | 104,953 sh | $6.3M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-05-14 | AMBQ | Sale | 25,918 @ $69.90 | $1.8M | −21.5% of holding | 94,477 | Form 4 |
| 2026-05-14 | AMBQ | Sale | 82 @ $70.65 | $6K | −0.1% of holding | 94,395 | Form 4 |
8 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-06-02 | AMBQ | Option exercise | 5,952 | 106,299 | Form 4 |
| 2026-06-02 | AMBQ | Option exercise | 5,952 | 104,953 | Form 4 |
| 2026-05-15 | AMBQ | Option exercise | 5,952 | 100,347 | Form 4 |
| 2026-05-15 | AMBQ | Option exercise | 5,952 | 110,905 | Form 4 |
| 2026-05-14 | AMBQ | Option exercise | 26,000 | 120,395 | Form 4 |
| 2026-05-14 | AMBQ | Option exercise | 26,000 | 116,857 | Form 4 |
| 2026-03-06 | AMBQ | Award / grant | 41,728 | 94,395 | Form 4 |
| 2025-10-02 | AMBQ | Award / grant | 52,667 | 52,667 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.