Form4insider filings, from the source

Insider · CIK 0001566617

Scott Thomas Jackson

Files at: SPRO, CBIO, MGNX, CPXX. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $25k · 1sales $0 · 0net $25k
$10k$10k$100k$100k$1M$1MbuyssalesOct 5Oct 5Oct 5Oct 6Oct 6Oct 6Oct 7

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 23, 2026 AForm 4 →Jun 25, 6:57 pm EDTSpero Therapeutics, Inc.SPRO10,000——85,000—
Jul 12, 2016 DForm 4 →Jul 12, 4:21 pm EDTCelator Pharmaceuticals IncCPXX301,518$30.25$9,120,9200— plan?
Jul 7, 2016 MForm 4 →Jul 7, 6:02 pm EDTCelator Pharmaceuticals IncCPXX251,475$2.84$714,147301,518— plan?
Oct 6, 2015 PForm 4 →Oct 7, 9:21 am EDTCelator Pharmaceuticals IncCPXX14,450$1.74$25,14350,043+40.6% plan?
Feb 25, 2015 AForm 4 →Feb 27, 5:19 pm ESTCelator Pharmaceuticals IncCPXX22,593——35,593— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 23, 2026 AForm 4 →Jun 25, 6:57 pm EDTSpero Therapeutics, Inc.SPRO20,000——20,000—
Nov 27, 2018 AForm 4 →Nov 28, 7:01 pm ESTGLYCOMIMETICS INCGLYC22,000——22,000—
May 17, 2018 AForm 4 →May 21, 4:53 pm EDTMACROGENICS INCMGNX10,000——10,000—
May 18, 2017 AForm 4 →May 22, 7:02 pm EDTMACROGENICS INCMGNX10,000——10,000—
Jan 24, 2017 AForm 4 →Jan 25, 5:56 pm ESTMACROGENICS INCMGNX20,000——20,000—
Jul 12, 2016 DForm 4 →Jul 12, 4:21 pm EDTCelator Pharmaceuticals IncCPXX1,177,968$27.86$32,813,4780—
Jul 7, 2016 MForm 4 →Jul 7, 6:02 pm EDTCelator Pharmaceuticals IncCPXX251,475——333,724—
Jan 27, 2016 AForm 4 →Jan 29, 4:03 pm ESTCelator Pharmaceuticals IncCPXX413,835——118,835—
Feb 25, 2015 AForm 4 →Feb 27, 5:19 pm ESTCelator Pharmaceuticals IncCPXX175,000——175,000—