Form4insider filings, from the source

Insider · CIK 0001378588

Milind Deshpande

Files at: SPRO, ACHN. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $10k · 1sales $1.5M · 1net −$1.5M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJan 2015May 2015Sep 2015Dec 2015Apr 2016Aug 2016Dec 2016

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 23, 2026 AForm 4 →Jun 25, 7:26 pm EDTSpero Therapeutics, Inc.SPRO10,000——101,454—
Dec 2, 2016 PForm 4 →Dec 5, 5:16 pm ESTACHILLION PHARMACEUTICALS INCACHN2,500$4.06$10,1502,500— plan?
Jan 21, 2015 SForm 4 →Jan 23, 5:15 pm ESTACHILLION PHARMACEUTICALS INCACHN100,000$15.00$1,500,0000−100% plan?
Jan 21, 2015 MForm 4 →Jan 23, 5:15 pm ESTACHILLION PHARMACEUTICALS INCACHN100,000$3.02$302,000100,000— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 23, 2026 AForm 4 →Jun 25, 7:26 pm EDTSpero Therapeutics, Inc.SPRO20,000——20,000—
Jun 5, 2018 AForm 4 →Jun 6, 8:00 pm EDTSpero Therapeutics, Inc.SPRO6,073——6,073—
Feb 9, 2018 AForm 4 →Feb 13, 5:27 pm ESTACHILLION PHARMACEUTICALS INCACHN640,000——640,000—
Jan 17, 2017 AForm 4 →Jan 19, 5:21 pm ESTACHILLION PHARMACEUTICALS INCACHN458,000——458,000—
Jan 20, 2016 AForm 4 →Jan 22, 4:08 pm ESTACHILLION PHARMACEUTICALS INCACHN400,000——400,000—
Jan 21, 2015 MForm 4 →Jan 23, 5:15 pm ESTACHILLION PHARMACEUTICALS INCACHN100,000——300,000—