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Hatsopoulos John

SEC insider (Form 3/4/5 filer). CIK 0001274775. Director at TECOGEN INC. (TGEN). 3 reported Form 4/5 transactions since Sep 2024; latest on Mar 20, 2026. Located in NORTH BILLERICA, MA.

Companies Hatsopoulos John has filed insider reports for

  • TECOGEN INC. (TGEN): Director
Hatsopoulos John profile photo

Hatsopoulos John

CIK: 0001274775

Transaction Breakdown

Open Market Buys (P)2 (66.7%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)1 (33.3%)

Derivative conversions

Awards (A)0 (0.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

TECOGEN INC. logo
TGEN

TECOGEN INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (3 total)

  • TECOGEN INC. logo
    TGEN

    TECOGEN INC.

    Mar 20, 2026
    Exercise
    Direct
    50K shares at avg. $0.88$44K
  • TECOGEN INC. logo
    TGEN

    TECOGEN INC.

    Sep 27, 2024
    Purchase
    Direct
    10K shares at avg. $0.84$8K
  • TECOGEN INC. logo
    TGEN

    TECOGEN INC.

    Sep 25, 2024
    Purchase
    Direct
    10K shares at avg. $0.86$9K

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