Joe Mastrangelo

Companies

• Eos Energy Enterprises, Inc.Board member Nov 23, 2020 to now¹
• Eos Energy Enterprises, Inc.Chief executive officer Nov 23, 2020 to now¹

Holdings

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

Shares held

• EEEos Energy Enterprises, Inc. EOSE2,308,704 shares²$4.0M at $1.75Sep 16, 2026

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

Recent filings

• Sep 16, 2026Sold 250,000 shares at $3.92 of Eos Energy Enterprises, Inc.²
• Sep 14, 2026Granted 500,000 shares of Eos Energy Enterprises, Inc.²
• Jul 27, 2026Sold 159,154 shares at $3.61 of Eos Energy Enterprises, Inc.³
• Jul 25, 2026Exercised options 333,334 shares of Eos Energy Enterprises, Inc.³
• Jul 21, 2026Exercised options 111,118 shares at $5.48 of Eos Energy Enterprises, Inc.⁴
• Jul 6, 2026Shares withheld for tax 121,245 shares at $5.06 of Eos Energy Enterprises, Inc.⁵
• Jul 5, 2026Exercised options 254,304 shares of Eos Energy Enterprises, Inc.⁵
• Jun 30, 2026Shares withheld for tax 60,703 shares at $6.09 of Eos Energy Enterprises, Inc.⁶
• Jun 26, 2026Exercised options 130,570 shares of Eos Energy Enterprises, Inc.⁶
• Jun 12, 2026Shares withheld for tax 116,646 shares at $6.06 of Eos Energy Enterprises, Inc.⁷
• Jun 12, 2026Exercised options 200,000 shares at $1.34 of Eos Energy Enterprises, Inc.⁷
• Mar 4, 2026Bought 23,900 shares at $6.58 of Eos Energy Enterprises, Inc.⁸
• Mar 2, 2026Bought 60,000 shares at $5.75 of Eos Energy Enterprises, Inc.⁹
• Jul 29, 2025Sold 166,667 shares at $5.94 of Eos Energy Enterprises, Inc.¹⁰
• Jul 25, 2025Exercised options 333,333 shares of Eos Energy Enterprises, Inc.¹⁰
• Jul 8, 2025Sold 127,152 shares at $4.92 of Eos Energy Enterprises, Inc.¹¹
• Jul 5, 2025Exercised options 254,303 shares of Eos Energy Enterprises, Inc.¹¹
• May 16, 2025Sold 270,384 shares at $6.86 of Eos Energy Enterprises, Inc.¹²
• May 8, 2025Exercised options 470,000 shares of Eos Energy Enterprises, Inc.¹³
• Aug 9, 2024Bought 52,800 shares at $1.43 of Eos Energy Enterprises, Inc.¹⁴
• Jul 5, 2024Shares withheld for tax 115,683 shares at $1.92 of Eos Energy Enterprises, Inc.¹⁵
• Jul 5, 2024Exercised options 254,304 shares of Eos Energy Enterprises, Inc.¹⁵
• Jan 3, 2024Shares withheld for tax 122,427 shares at $0.99 of Eos Energy Enterprises, Inc.¹⁶
• Jan 3, 2024Exercised options 250,000 shares of Eos Energy Enterprises, Inc.¹⁶
• Sep 21, 2023Bought 36,500 shares at $2.05 of Eos Energy Enterprises, Inc.¹⁷