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Jeffrey G Winzeler, Chief Financial Officer at Ambiq Micro, sold AMBQ on Oct 2, 2026

Data as of Oct 16

▼ SELL$197K2,828 shares at $69.77Jeffrey G Winzeler Chief Financial OfficerAMBQ Ambiq Micro, Inc.
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Traded
Oct 2, 2026
Disclosed
Oct 6, 2026
Filed
4 days after the trade

Form 4s are due within two business days.

Official filing (SEC Form 4) ↗

The price around the disclosure

Jeffrey G Winzeler, Chief Financial Officer at Ambiq Micro, sold AMBQ on Oct 2, 2026TRADEDDISCLOSED
AMBQSimilar stocks (XLK — its sector index fund), rebased to AMBQ's price on the disclosure day
AMBQ since disclosure
−21.1%
after the sale
Similar stocks (XLK) since disclosure
−9.2%
XLK — its sector index fund

Change in closing price from Oct 6, 2026 (the first trading day on or after disclosure) to Oct 16, 2026. Dividends excluded. Not a return anyone earned.

Our take

None of our tested rules fired on this trade.

Other trades in the same filing

  1. ▼ SELLJeffrey G Winzeler Chief Financial OfficerAMBQ Ambiq Micro, Inc.$20.4Kdisclosed Oct 6 · filed 4 days after the trade
  2. ▼ SELLJeffrey G Winzeler Chief Financial OfficerAMBQ Ambiq Micro, Inc.$162Kdisclosed Oct 6 · filed 4 days after the trade

See every trade on AMBQ →