Form4insider filings, from the source

Insider · CIK 0001650476

Fletcher Payne

Files at: APTOF, GYRE. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $20k · 1sales $0 · 0net $20k
$10k$10k$100k$100k$1M$1MbuyssalesDec 16Dec 16Dec 16Dec 17Dec 17Dec 17Dec 18

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 30, 2026 DForm 4 →Jul 1, 4:49 pm EDTAptose Biosciences Inc.APTO244$1.72$4200—
Feb 11, 2019 AForm 4 →Feb 13, 7:19 pm ESTCATALYST BIOSCIENCES, INC.CBIO1,002$7.04$7,0543,731— plan?
Feb 4, 2019 MForm 4 →Feb 4, 4:52 pm ESTCATALYST BIOSCIENCES, INC.CBIO1,503$4.63$6,9593,230— plan?
Mar 26, 2018 MForm 4 →Mar 28, 4:11 pm EDTCATALYST BIOSCIENCES, INC.CBIO59$4.63$27359— plan?
Dec 17, 2015 PForm 4 →Dec 18, 5:42 pm ESTCATALYST BIOSCIENCES, INC.CBIO10,000$2.00$20,00025,032+66.5% plan?
Aug 20, 2015 JForm 4 →Aug 20, 6:13 pm EDTCATALYST BIOSCIENCES, INC.CBIO15,032——15,032— plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 30, 2026 DForm 4 →Jul 1, 4:49 pm EDTAptose Biosciences Inc.APTO1,255,000——0—
Feb 4, 2019 MForm 4 →Feb 4, 4:52 pm ESTCATALYST BIOSCIENCES, INC.CBIO1,503——73,497—
Jan 24, 2019 AForm 4 →Jan 28, 6:56 pm ESTCATALYST BIOSCIENCES, INC.CBIO38,000——38,000—
Jul 30, 2018 AForm 4 →Aug 1, 5:48 pm EDTCATALYST BIOSCIENCES, INC.CBIO25,000——25,000—
Mar 26, 2018 MForm 4 →Mar 28, 4:11 pm EDTCATALYST BIOSCIENCES, INC.CBIO59——74,941—
Jan 12, 2018 AForm 4 →Jan 16, 3:43 pm ESTCATALYST BIOSCIENCES, INC.CBIO26,000——26,000—
Jul 11, 2017 AForm 4 →Jul 12, 4:47 pm EDTCATALYST BIOSCIENCES, INC.CBIO75,000——75,000—
Oct 22, 2015 AForm 4/A →Dec 15, 5:38 pm ESTCATALYST BIOSCIENCES, INC.CBIO28,572——28,572—
Oct 22, 2015 AForm 4 →Oct 26, 7:06 pm EDTCATALYST BIOSCIENCES, INC.CBIO100,000——28,572— amended
Aug 20, 2015 JForm 4 →Aug 20, 6:13 pm EDTCATALYST BIOSCIENCES, INC.CBIO24,085——14,325—