Form4insider filings, from the source

Company · CIK 0001751299 · SIC 2836 — Biological Products, (No Diagnostic Substances)

Kaleido Biosciences, Inc. · KLDO

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $15.0M · 2sales $0 · 0net $15.0M
$10k$10k$1M$1M$100M$100MbuyssalesFeb 27Feb 28Mar 1Mar 2Mar 3Mar 4Mar 5

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Mar 4, 2019 PForm 4 →Mar 6, 4:45 pm ESTFlagship Ventures Fund V General Partner LLC +9Director, 10% Owner933,333$15.00$13,999,9952,244,305+71.2% plan?
Mar 4, 2019 CForm 4 →Mar 6, 4:45 pm ESTFlagship Ventures Fund V General Partner LLC +9Director, 10% Owner11,070,951——1,910,972— plan?
Mar 4, 2019 CForm 4 →Mar 6, 4:43 pm ESTFlagship Ventures Fund IV General Partner LLC +7Director, 10% Owner1,120,697——947,111— plan?
Mar 4, 2019 CForm 4 →Mar 4, 8:13 pm ESTMichael W BonneyExecutive Chair, Director642,673——225,000— plan?
Mar 4, 2019 CForm 4 →Mar 4, 8:13 pm ESTAnthony G. QuinnDirector12,853——31,603— plan?
Mar 4, 2019 CForm 4 →Mar 4, 8:09 pm ESTGeoffrey von MaltzahnDirector342,466——342,466— plan?
Feb 28, 2019 PForm 4 →Mar 4, 8:13 pm ESTMichael W BonneyExecutive Chair, Director71,520$13.98$999,4931,008,523+7.63% plan?

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Mar 4, 2019 CForm 4 →Mar 6, 4:45 pm ESTFlagship Ventures Fund V General Partner LLC +9Director, 10% Owner22,141,906——0—
Mar 4, 2019 CForm 4 →Mar 6, 4:43 pm ESTFlagship Ventures Fund IV General Partner LLC +7Director, 10% Owner2,241,396——0—
Mar 4, 2019 CForm 4 →Mar 4, 8:13 pm ESTMichael W BonneyExecutive Chair, Director1,285,347——0—
Mar 4, 2019 CForm 4 →Mar 4, 8:13 pm ESTAnthony G. QuinnDirector25,707——0—
Mar 4, 2019 AForm 4 →Mar 4, 8:12 pm ESTAlison Frances LawtonSee Remarks, Director150,000——150,000—
Mar 4, 2019 AForm 4 →Mar 4, 8:10 pm ESTJoshua T BrummSee Remarks80,000——80,000—
Mar 4, 2019 CForm 4 →Mar 4, 8:09 pm ESTGeoffrey von MaltzahnDirector684,932——0—