Form4insider filings, from the source

Insider · CIK 0001721173

Cristina Larkin

Files at: SPRO. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $21k · 1sales $70k · 1net −$49k
$10k$10k$100k$100k$1M$1MbuyssalesNov 5Dec 15Jan 25Mar 6Apr 16May 26Jul 6

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jul 5, 2018 SForm 4 →Jul 6, 9:45 pm EDTSpero Therapeutics, Inc.SPRO4,000$17.50$70,0001,500−72.7% plan?
Jul 5, 2018 MForm 4 →Jul 6, 9:45 pm EDTSpero Therapeutics, Inc.SPRO4,000$5.90$23,6005,500— plan?
Nov 6, 2017 PForm 4 →Nov 7, 4:05 pm ESTSpero Therapeutics, Inc.SPRO1,500$14.00$21,0001,500— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jan 2, 2019 AForm 4 →Jan 2, 7:18 pm ESTSpero Therapeutics, Inc.SPRO65,000——65,000—
Jul 5, 2018 MForm 4 →Jul 6, 9:45 pm EDTSpero Therapeutics, Inc.SPRO4,000——20,434—
Dec 13, 2017 AForm 4 →Dec 15, 4:07 pm ESTSpero Therapeutics, Inc.SPRO62,540——62,540—