John M. Albertine - 24 Jul 2025 Form 4 Insider Report for TECOGEN INC. (TGEN)

Reporting relationship
Director
Issuer ticker
TGEN
Reported as of
24 Jul 2025
Net transaction value
+$208,750
Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
28 Jul 2025, 12:40:33 UTC
Prior SEC filing
02 Jun 2025
Next SEC filing
29 Sep 2025
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ John M. Albertine

Key filing fact

John M. Albertine filed Form 4 for TECOGEN INC. (TGEN) on 28 Jul 2025.

Key facts

  • This page summarizes John M. Albertine's Form 4 filing for TECOGEN INC. (TGEN).
  • 1 reported transaction and 1 derivative row are listed below.
  • Accepted by SEC: 28 Jul 2025, 12:40.

Change

  • Previous filing in this sequence was filed on 02 Jun 2025.
  • Current net transaction value: +$208,750.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001015997 Primary reporting owner

ALBERTINE JOHN M

Relationship
Director
Address
100 FEDERAL DRIVE, FREDERICKSBURG
Signature
/s/ John M. Albertine
Signature date
28 Jul 2025

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

TGEN transaction Derivative

Stock Option (Right to Buy)

Award

Transaction value
$208,750
Shares
+25,000
Change %
+17%
Price
$8.35
Shares after
175,000
Date
24 Jul 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
25,000
Exercise price
$8.35
Footnotes
F1
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Vests 25% per year

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