Form4insider filings, from the source

Insider · CIK 0001004315

NATIONAL GRID PLC

Files at: DM. On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $171.3M · 1net −$171.3M
$100k$100k$10M$10M$1B$1BbuyssalesFeb 14Feb 14Feb 14Feb 15Feb 15Feb 15Feb 16

Reported trades — common stock

TradeReported (ET)CompanySharesAvg priceTotalOwned afterΔ stakeFlags
Feb 15, 2018 SForm 4 →Feb 20, 4:40 pm ESTDominion Energy Midstream Partners, LPDM6,783,373$25.26$171,316,1200−100% plan?

Reported trades — derivatives (options, RSUs, warrants)

No reported derivative activity in this period.