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Who

Claude Demby

Director

Company insider

Files Form 4 as: Director, Eos Energy Enterprises; Director, Piedmont Lithium; SVP, Pres, LED Solutions, Penguin Solutions.

In numbers

Trades disclosed
44
Buys
1
Sells
3
Bought
$50K
Sold
$746K
Companies
3
Companies where not an officer
2
First trade
27 Aug 2021
Last trade
21 Jul 2026
Last filed
6 Aug 2026

Companies traded

Where they are an officer
PENG Penguin SolutionsOfficer · Semiconductors · last 20 Jul 20220 buys · 1 sell
Everywhere else they filed: board seats, 10% stakes, other companies
EOSE Eos Energy EnterprisesDirector · Electronic Components & EMS · last 21 Jul 20261 buy · 1 sell
Piedmont LithiumDirector · last 29 Aug 20250 buys · 1 sell

Activity over time

1 Nov 2024 – 1 Oct 2026
101Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
21 Jul 2026filed 6 Aug 2026EOSE Eos Energy EnterprisesElectronic Components & EMSSEC FORM 4 Code M$10K1,825 at $5.48filing
21 Jul 2026filed 6 Aug 2026EOSE Eos Energy Enterprisesoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—1,825 at $0.00filing
21 Jul 2026filed 6 Aug 2026EOSE Eos Energy Enterprisesoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—801 at $0.00filing
21 Jul 2026filed 6 Aug 2026EOSE Eos Energy Enterprisesoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—1,825 at $0.00filing
21 Jul 2026filed 6 Aug 2026EOSE Eos Energy Enterprisesoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—801 at $0.00filing
21 Jul 2026filed 6 Aug 2026EOSE Eos Energy EnterprisesElectronic Components & EMSSEC FORM 4 Code M$10K1,825 at $5.48filing
5 Jun 2026filed 9 Jun 2026EOSE Eos Energy Enterprisesoption or derivative · Electronic Components & EMSSEC FORM 4 Code A—18,217 at $0.00filing
5 Jun 2026filed 9 Jun 2026EOSE Eos Energy Enterprisesoption or derivative · Electronic Components & EMSSEC FORM 4 Code A—18,217 at $0.00filing
19 May 2026filed 19 May 2026EOSE Eos Energy EnterprisesElectronic Components & EMSSEC FORM 4 Code M—23,111 at $0.00filing
19 May 2026filed 19 May 2026EOSE Eos Energy EnterprisesElectronic Components & EMSSEC FORM 4 Code D$64K9,244 at $6.88filing
19 May 2026filed 19 May 2026EOSE Eos Energy Enterprisesoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—23,111 at $0.00filing
19 May 2026filed 19 May 2026EOSE Eos Energy Enterprisesoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—23,111 at $0.00filing
19 May 2026filed 19 May 2026EOSE Eos Energy EnterprisesElectronic Components & EMSSEC FORM 4 Code M—23,111 at $0.00filing
19 May 2026filed 19 May 2026EOSE Eos Energy EnterprisesElectronic Components & EMSSEC FORM 4 Code D$64K9,244 at $6.88filing
29 Aug 2025filed 29 Aug 2025Piedmont LithiumSEC FORM 4 Code D—11,179filing
19 May 2025filed 21 May 2025EOSE Eos Energy Enterprisesoption or derivative · Electronic Components & EMSSEC FORM 4 Code A—23,111 at $0.00filing
14 May 2025filed 16 May 2025EOSE Eos Energy Enterprisesoption or derivative · Electronic Components & EMSSEC FORM 4 Code M—78,947 at $0.00filing
14 May 2025filed 16 May 2025EOSE Eos Energy EnterprisesElectronic Components & EMSSEC FORM 4 Code M—78,947 at $0.00filing
14 May 2025filed 16 May 2025EOSE Eos Energy EnterprisesElectronic Components & EMSSEC FORM 4 Code D$219K31,579 at $6.94filing
25 Jul 2024filed 29 Jul 2024EOSE Eos Energy Enterprisesoption or derivative · Electronic Components & EMSSEC FORM 4 Code A—78,947 at $0.00filing

News

Sectors

Technology3
Not placed1

Buys in green, sells in red, by the company’s sector.

Related people

Stephen CummingSVP and CFO · SVP and CFO at Penguin Solutions, filing Form 4 there in the last year
Anne KuykendallSVP and Chief Legal Officer · SVP and Chief Legal Officer at Penguin Solutions, filing Form 4 there in the last year
Joseph Gates ClarkSVP and Pres, Optimized LED · SVP and Pres, Optimized LED at Penguin Solutions, filing Form 4 there in the last year
Kashif ShaikhPresident and CEO · President and CEO at Penguin Solutions, filing Form 4 there in the last year
Anthony George FreySVP and Chief Revenue Officer · SVP and Chief Revenue Officer at Penguin Solutions, filing Form 4 there in the last year
Joe MastrangeloChief Executive Officer · Also traded EOSE in the last 90 days
Sumeet PuriChief Accounting Officer · Also traded EOSE in the last 90 days
Haiyan SongDirector · Also traded EOSE in the last 90 days