Form4insider filings, from the source

Insider · CIK 0001672709

Michel Vounatsos

Files at: ZLAB, BIIB. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $1.0M · 3sales $0 · 0net $1.0M
$10k$10k$100k$100k$1M$1MbuyssalesFeb 26Apr 18Jun 8Jul 29Sep 18Nov 8Dec 30

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Jun 17, 2026 AForm 4 →Jun 22, 4:08 pm EDTZai Lab LtdZLAB22,371——72,787—
Feb 15, 2019 FMForm 4 →Feb 20, 6:10 pm ESTBIOGEN INC.BIIB7,609$332.87$778,91616,574— plan?
Feb 12, 2019 FMForm 4 →Feb 14, 6:33 pm ESTBIOGEN INC.BIIB9,521$319.43$837,54513,645— plan?
May 2, 2018 FMForm 4 →May 4, 6:09 pm EDTBIOGEN INC.BIIB2,437$274.13$205,5989,368— plan?
Feb 15, 2018 FMForm 4 →Feb 20, 4:27 pm ESTBIOGEN INC.BIIB7,231$299.38$561,9368,356— plan?
Dec 29, 2017 PForm 4 →Jan 2, 2018, 4:21 pm ESTBIOGEN INC.BIIB780$320.55$250,0294,879+19.0% plan?
May 2, 2017 FMForm 4 →May 4, 4:16 pm EDTBIOGEN INC.BIIB2,300$271.34$153,0364,099— plan?
May 1, 2017 PForm 4 →May 2, 4:18 pm EDTBIOGEN INC.BIIB1,402$271.35$380,4332,927+91.9% plan?
Feb 27, 2017 PForm 4 →Mar 1, 4:18 pm ESTBIOGEN INC.BIIB1,333$285.39$380,4251,434+1,321% plan?

Reported trades — derivatives (options, RSUs, warrants)

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Feb 15, 2019 JMForm 4 →Feb 20, 6:10 pm ESTBIOGEN INC.BIIB8,498——8,504—
Feb 12, 2019 AJMForm 4 →Feb 14, 6:33 pm ESTBIOGEN INC.BIIB49,674——37,570—
May 2, 2018 JMForm 4 →May 4, 6:09 pm EDTBIOGEN INC.BIIB3,244——3,252—
Feb 15, 2018 JMForm 4 →Feb 20, 4:27 pm ESTBIOGEN INC.BIIB8,498——17,002—
Feb 12, 2018 AForm 4 →Feb 14, 6:38 pm ESTBIOGEN INC.BIIB36,320——36,320—
May 2, 2017 JMForm 4 →May 4, 4:16 pm EDTBIOGEN INC.BIIB3,244——6,496—
Feb 15, 2017 AForm 4 →Feb 17, 8:30 pm ESTBIOGEN INC.BIIB25,500——25,500—
May 2, 2016 AForm 4 →May 4, 5:05 pm EDTBIOGEN INC.BIIB9,520——9,520—