Claude Demby

Companies

• Eos Energy Enterprises, Inc.Board member Aug 31, 2021 to now¹
• Piedmont Lithium Inc.Board member Jun 21, 2021 to now²
• Penguin Solutions, Inc.SVP, Pres. Cree LED Apr 9, 2021 to Jul 22, 2022³

Holdings

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

Shares held

• PSPenguin Solutions, Inc. PENG154,864 shares⁴$8.8M at $56.80Jul 20, 2022
• EEEos Energy Enterprises, Inc. EOSE157,400 shares⁵$274.7K at $1.75Jul 21, 2026
• PLPiedmont Lithium Inc.0 shares⁶Aug 29, 2025

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

Recent filings

• Jul 21, 2026Exercised options 1,825 shares at $5.48 of Eos Energy Enterprises, Inc.⁵
• May 19, 2026Returned to company 9,244 shares at $6.88 of Eos Energy Enterprises, Inc.⁷
• May 19, 2026Exercised options 23,111 shares of Eos Energy Enterprises, Inc.⁷
• Aug 29, 2025Returned to company 11,179 shares of Piedmont Lithium Inc.⁶
• May 14, 2025Returned to company 31,579 shares at $6.94 of Eos Energy Enterprises, Inc.⁸
• May 14, 2025Exercised options 78,947 shares of Eos Energy Enterprises, Inc.⁸
• Jun 13, 2024Granted 7,724 shares of Piedmont Lithium Inc.⁹
• Apr 30, 2024Exercised options 32,328 shares of Eos Energy Enterprises, Inc.¹⁰
• Sep 7, 2023Sold 20,143 shares at $2.78 of Eos Energy Enterprises, Inc.¹¹
• Aug 30, 2023Sold 782 shares at $45.12 of Piedmont Lithium Inc.¹²
• Jun 13, 2023Granted 1,591 shares of Piedmont Lithium Inc.¹³
• May 15, 2023Exercised options 63,559 shares of Eos Energy Enterprises, Inc.¹⁴
• Jul 20, 2022Shares withheld for tax 4,168 shares at $18.40 of Penguin Solutions, Inc.⁴
• Jul 20, 2022Shares withheld for tax 5,468 shares at $18.40 of Penguin Solutions, Inc.⁴
• May 16, 2022Exercised options 5,396 shares of Eos Energy Enterprises, Inc.¹⁵
• Apr 22, 2022Sold 27,365 shares at $23.93 of Penguin Solutions, Inc.¹⁶
• Apr 20, 2022Shares withheld for tax 21,843 shares at $24.51 of Penguin Solutions, Inc.¹⁷
• Mar 3, 2022Bought 13,200 shares at $3.79 of Eos Energy Enterprises, Inc.¹⁸
• Feb 27, 2022Granted 1,449 shares of Piedmont Lithium Inc.¹⁹
• Feb 3, 2022Granted 1,197 shares of Piedmont Lithium Inc.²⁰
• Oct 1, 2021Granted 8,435 shares of Penguin Solutions, Inc.²¹