Dennis Arriola

American businessperson and board member, CEO of Avangrid.1

Companies

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

As of each latest filing. The line shows shares held over time.

Recent filings

Trade performance

DateStockTradeValueReturn sinceVs S&P sinceVs S&P, 1 year
Jan 20, 2026CMCBuy$149.4K−13.7%−27.6%

Returns are price-only (no dividends), measured from the trade date.

Early life and education

  • 1979 to 1983Stanford University Bachelor of Arts; economics2 3
  • 1985 to 1987Harvard University Master of Business Administration2 4

Career