Form4insider filings, from the source

Insider · CIK 0001312143

Jeffrey G Winzeler

Files at: AMBQ, MRAM. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 2, 2026 MForm 4 →Jun 4, 5:01 pm EDTAmbiq Micro, Inc.AMBQ5,952$16.80$99,994106,299—
Feb 11, 2019 AForm 4 →Feb 13, 5:28 pm ESTEVERSPIN TECHNOLOGIES INCMRAM5,000——15,934— plan?
Mar 13, 2018 AForm 4 →Mar 15, 4:49 pm EDTEVERSPIN TECHNOLOGIES INCMRAM10,000——10,000— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 2, 2026 MForm 4 →Jun 4, 5:01 pm EDTAmbiq Micro, Inc.AMBQ5,952——104,953—
Feb 11, 2019 AForm 4 →Feb 13, 5:28 pm ESTEVERSPIN TECHNOLOGIES INCMRAM20,000——20,000—
Mar 13, 2018 AForm 4 →Mar 15, 4:49 pm EDTEVERSPIN TECHNOLOGIES INCMRAM40,000——40,000—
Dec 16, 2016 ADForm 4 →Dec 20, 8:40 pm ESTEVERSPIN TECHNOLOGIES INCMRAM48,626——24,313—