Earl R. Lewis

Sits on 1 board. Last updated September 28, 2026

Time on boards

Boards served
1
Current seats
1
Board service
4 years
Director since
2023

4 years of board service in total across 1 board, counting each seat separately. Longest: Tecogen Inc., 3 years.

Tecogen Inc. Director
3 years ยท Since 2023

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Date Company Transaction Shares Price Value
Mar 27, 2026 Tecogen Inc. Open-market purchase +5,000 $2.52 $12,600
Mar 26, 2026 Tecogen Inc. Open-market purchase +5,000 $2.88 $14,400
May 6, 2025 Tecogen Inc. In-the-money exercise +15,000 $1.75 $26,250
May 6, 2025 Tecogen Inc. In-the-money exercise +12,500 $1.20 $15,000
May 6, 2025 Tecogen Inc. In-the-money exercise +6,250 $1.10 $6,875
May 1, 2025 Tecogen Inc. Other +240,256 $2.14 $514,148
Nov 22, 2024 Tecogen Inc. Open-market purchase +100,000 $0.71 $71,000
Jul 15, 2024 Tecogen Inc. Open-market purchase +10,000 $0.68 $6,800
Jul 15, 2024 Tecogen Inc. Open-market purchase +10,000 $0.68 $6,800
May 1, 2024 Tecogen Inc. Open-market purchase +5,000 $0.75 $3,750
Apr 24, 2024 Tecogen Inc. Open-market purchase +10,000 $0.68 $6,800
Jan 24, 2024 Tecogen Inc. Open-market purchase +9,152 $0.78 $7,139
Jan 23, 2024 Tecogen Inc. Open-market purchase +10,000 $0.68 $6,800
Oct 18, 2023 Tecogen Inc. Open-market purchase +25,000 $0.91 $22,750
Oct 9, 2023 Tecogen Inc. Open-market purchase +2,000 $0.80 $1,600

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