Form4insider filings, from the source

Insider · CIK 0001242616

Frank E Thomas

Files at: SPRO, LRMR, AMAG. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $2.4M · 2net −$2.4M
$10k$10k$100k$100k$1M$1M$10M$10MbuyssalesJun 3Jun 13Jun 24Jul 5Jul 15Jul 26Aug 6

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 23, 2026 AForm 4 →Jun 25, 6:59 pm EDTSpero Therapeutics, Inc.SPRO10,000——85,000—
Feb 23, 2017 AForm 4 →Feb 27, 7:01 pm ESTAMAG PHARMACEUTICALS INC.AMAG24,000——138,195— plan?
Feb 26, 2016 AFForm 4 →Mar 1, 5:33 pm ESTAMAG PHARMACEUTICALS INC.AMAG26,751$26.97$262,999114,195— plan?
Aug 20, 2015 FForm 4 →Aug 21, 4:05 pm EDTAMAG PHARMACEUTICALS INC.AMAG2,363$61.71$145,821106,946— plan?
Aug 5, 2015 SForm 4 →Aug 7, 5:24 pm EDTAMAG PHARMACEUTICALS INC.AMAG15,000$66.85$1,002,750109,309−12.1% plan?
Aug 5, 2015 MForm 4 →Aug 7, 5:24 pm EDTAMAG PHARMACEUTICALS INC.AMAG15,000$14.91$223,650124,309— plan?
Jun 4, 2015 SForm 4 →Jun 8, 4:35 pm EDTAMAG PHARMACEUTICALS INC.AMAG20,000$69.47$1,389,318109,309−15.5% plan?
Mar 3, 2015 FForm 4 →Mar 5, 5:10 pm ESTAMAG PHARMACEUTICALS INC.AMAG4,279$49.70$212,666129,309— plan?
Feb 26, 2015 AForm 4 →Feb 27, 4:54 pm ESTAMAG PHARMACEUTICALS INC.AMAG12,500——133,588— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 23, 2026 AForm 4 →Jun 25, 6:59 pm EDTSpero Therapeutics, Inc.SPRO20,000——20,000—
Jun 6, 2018 AForm 4 →Jun 7, 5:44 pm EDTZAFGEN, INC.ZFGN20,000——20,000—
Jun 5, 2018 AForm 4 →Jun 6, 8:02 pm EDTSpero Therapeutics, Inc.SPRO6,073——6,073—
Jun 21, 2017 AForm 4 →Jun 23, 4:09 pm EDTZAFGEN, INC.ZFGN14,500——14,500—
Feb 23, 2017 AForm 4 →Feb 27, 7:01 pm ESTAMAG PHARMACEUTICALS INC.AMAG30,000——30,000—
Jun 30, 2016 AForm 4 →Jul 1, 4:30 pm EDTZAFGEN, INC.ZFGN12,000——12,000—
Mar 1, 2016 AForm 4 →Mar 1, 5:33 pm ESTAMAG PHARMACEUTICALS INC.AMAG40,000——40,000—
Aug 5, 2015 MForm 4 →Aug 7, 5:24 pm EDTAMAG PHARMACEUTICALS INC.AMAG15,000——45,000—
Jul 13, 2015 AForm 4 →Jul 15, 6:30 pm EDTZAFGEN, INC.ZFGN12,000——12,000—
Feb 26, 2015 AForm 4 →Feb 27, 4:54 pm ESTAMAG PHARMACEUTICALS INC.AMAG25,000——25,000—