Jeffrey S. Bornstein

Companies

• Eos Energy Enterprises, Inc.Board member Sep 9, 2022 to now¹
• Kalaris Therapeutics, Inc.Board member Jul 29, 2020 to Jun 7, 2024²
• SBIG Holdings, Inc.Board member Feb 11, 2021 to Feb 11, 2021³
• GENERAL ELECTRIC COSenior Vice President Jul 8, 2013 to Nov 7, 2017⁴

Holdings

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

Shares held

• GEGENERAL ELECTRIC CO GE229,797 shares⁵$67.7M at $294.45Nov 7, 2017
• EEEos Energy Enterprises, Inc. EOSE145,306 shares⁶$253.6K at $1.75Aug 6, 2026
• KTKalaris Therapeutics, Inc. KLRS110,197 shares⁷$210.5K at $1.91Jun 6, 2024

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

Recent filings

• Jul 21, 2026Exercised options 9,558 shares at $5.48 of Eos Energy Enterprises, Inc.⁶
• May 19, 2026Returned to company 12,326 shares at $6.88 of Eos Energy Enterprises, Inc.⁸
• May 19, 2026Exercised options 30,815 shares of Eos Energy Enterprises, Inc.⁸
• Dec 5, 2025Sold 32,328 shares at $15.05 of Eos Energy Enterprises, Inc.⁹
• Dec 4, 2025Sold 8,000 shares at $15.75 of Eos Energy Enterprises, Inc.⁹
• May 14, 2025Returned to company 42,105 shares at $6.94 of Eos Energy Enterprises, Inc.¹⁰
• May 14, 2025Exercised options 105,263 shares of Eos Energy Enterprises, Inc.¹⁰
• Sep 12, 2024Sold 30,000 shares at $2.62 of Eos Energy Enterprises, Inc.¹¹
• Sep 12, 2024Sold 132,720 shares at $2.63 of Eos Energy Enterprises, Inc.¹¹
• Jun 6, 2024Granted 35,000 shares of Kalaris Therapeutics, Inc.⁷
• Apr 30, 2024Exercised options 32,328 shares of Eos Energy Enterprises, Inc.¹²
• May 15, 2023Exercised options 52,601 shares of Eos Energy Enterprises, Inc.¹³
• May 11, 2023Granted 35,000 shares of Kalaris Therapeutics, Inc.¹⁴
• Nov 10, 2022Bought 20,000 shares at $1.30 of Eos Energy Enterprises, Inc.¹⁵
• Apr 26, 2022Bought 5,000 shares at $4.64 of Kalaris Therapeutics, Inc.¹⁶
• Feb 10, 2022Bought 5,000 shares at $8.87 of Kalaris Therapeutics, Inc.¹⁷
• Nov 6, 2017Shares withheld for tax 3,538 shares at $20.10 of GENERAL ELECTRIC CO⁵
• Nov 6, 2017Exercised options 7,400 shares of GENERAL ELECTRIC CO⁵
• Sep 9, 2017Shares withheld for tax 2,541 shares at $23.79 of GENERAL ELECTRIC CO¹⁸
• Sep 9, 2017Exercised options 5,400 shares of GENERAL ELECTRIC CO¹⁸
• Jul 27, 2017Exercised options 200,000 shares of GENERAL ELECTRIC CO¹⁹
• Jul 24, 2017Shares withheld for tax 97,162 shares at $25.66 of GENERAL ELECTRIC CO¹⁹
• Jul 24, 2017Shares withheld for tax 9,671 shares at $25.60 of GENERAL ELECTRIC CO²⁰
• Jul 24, 2017Exercised options 20,000 shares of GENERAL ELECTRIC CO²⁰
• Jan 31, 2017Bought 5,000 shares at $29.63 of GENERAL ELECTRIC CO²¹