Form4insider filings, from the source

Insider · CIK 0001033511

Michael A Zasloff

Files at: AMPH. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $3.7M · 7net −$3.7M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJul 2015Feb 2016Aug 2016Mar 2017Oct 2017Apr 2018Nov 2018

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 1, 2026 AForm 4 →Jun 3, 8:34 pm EDTAmphastar Pharmaceuticals, Inc.AMPH8,143——37,667—
Nov 14, 2018 SForm 4 →Nov 15, 7:23 pm ESTAmphastar Pharmaceuticals, Inc.AMPH29,278$20.39$596,94929,845−49.5% plan?
Nov 14, 2018 MForm 4 →Nov 15, 7:23 pm ESTAmphastar Pharmaceuticals, Inc.AMPH29,278$14.66$429,21559,123— plan?
Jun 12, 2018 SForm 4 →Jun 13, 4:05 pm EDTAmphastar Pharmaceuticals, Inc.AMPH15,000$16.52$247,84229,845−33.4% plan?
Jun 7, 2018 AForm 4 →Jun 11, 8:17 pm EDTAmphastar Pharmaceuticals, Inc.AMPH6,590——44,845— plan?
Oct 2, 2017 SForm 4 →Oct 3, 6:18 pm EDTAmphastar Pharmaceuticals, Inc.AMPH63,624$18.18$1,156,95238,255−62.5% plan?
Oct 2, 2017 MForm 4 →Oct 3, 6:18 pm EDTAmphastar Pharmaceuticals, Inc.AMPH63,624$10.77$685,230101,879— plan?
Jun 8, 2017 AForm 4 →Jun 12, 8:19 pm EDTAmphastar Pharmaceuticals, Inc.AMPH5,844——38,255— plan?
Jun 1, 2017 SForm 4 →Jun 1, 8:06 pm EDTAmphastar Pharmaceuticals, Inc.AMPH15,000$17.01$255,20132,411−31.6% plan?
Jun 1, 2017 MForm 4 →Jun 1, 8:06 pm EDTAmphastar Pharmaceuticals, Inc.AMPH15,000$10.77$161,55047,411— plan?
Aug 12, 2016 SForm 4 →Aug 16, 8:31 pm EDTAmphastar Pharmaceuticals, Inc.AMPH48,375$18.15$878,10632,411−59.9% plan?
Aug 12, 2016 MForm 4 →Aug 16, 8:31 pm EDTAmphastar Pharmaceuticals, Inc.AMPH48,375$14.44$698,75749,811— plan?
Jun 9, 2016 AForm 4 →Jun 13, 8:33 pm EDTAmphastar Pharmaceuticals, Inc.AMPH6,086——32,411— plan?
Dec 16, 2015 SForm 4 →Dec 17, 7:24 pm ESTAmphastar Pharmaceuticals, Inc.AMPH30,770$14.20$436,85326,325−53.9% plan?
Dec 16, 2015 MForm 4 →Dec 17, 7:24 pm ESTAmphastar Pharmaceuticals, Inc.AMPH30,770$11.68$359,39440,557— plan?
Jul 17, 2015 SForm 4 →Jul 21, 7:53 pm EDTAmphastar Pharmaceuticals, Inc.AMPH7,692$17.41$133,90026,325−22.6% plan?
Jul 17, 2015 MForm 4 →Jul 21, 7:53 pm EDTAmphastar Pharmaceuticals, Inc.AMPH7,692$11.68$89,84334,017— plan?
May 27, 2015 AForm 4 →May 29, 8:26 pm EDTAmphastar Pharmaceuticals, Inc.AMPH8,686——26,325— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 1, 2026 AForm 4 →Jun 3, 8:34 pm EDTAmphastar Pharmaceuticals, Inc.AMPH17,365——17,365—
Nov 14, 2018 MForm 4 →Nov 15, 7:23 pm ESTAmphastar Pharmaceuticals, Inc.AMPH29,278——0—
Jun 7, 2018 AForm 4 →Jun 11, 8:17 pm EDTAmphastar Pharmaceuticals, Inc.AMPH16,679——16,679—
Oct 2, 2017 MForm 4 →Oct 3, 6:18 pm EDTAmphastar Pharmaceuticals, Inc.AMPH63,624——0—
Jun 8, 2017 AForm 4 →Jun 12, 8:19 pm EDTAmphastar Pharmaceuticals, Inc.AMPH20,291——20,291—
Jun 1, 2017 MForm 4 →Jun 1, 8:06 pm EDTAmphastar Pharmaceuticals, Inc.AMPH15,000——63,624—
Aug 12, 2016 MForm 4 →Aug 16, 8:31 pm EDTAmphastar Pharmaceuticals, Inc.AMPH48,375——0—
Jun 9, 2016 AForm 4 →Jun 13, 8:33 pm EDTAmphastar Pharmaceuticals, Inc.AMPH25,827——25,827—
Dec 16, 2015 MForm 4 →Dec 17, 7:24 pm ESTAmphastar Pharmaceuticals, Inc.AMPH30,770——0—
Jul 17, 2015 MForm 4 →Jul 21, 7:53 pm EDTAmphastar Pharmaceuticals, Inc.AMPH7,692——30,770—
May 27, 2015 AForm 4 →May 29, 8:26 pm EDTAmphastar Pharmaceuticals, Inc.AMPH47,782——47,782—