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Insider Cluster (3 insiders) ·Filed Mar 20, 2026

TGEN

TECOGEN INC.
BULLISH
Impact 5/10
Horizonweeks Processed7mo ago
Insider cluster: 2 insiders, $29K total
Actionable Insight ▲ Bullish

C-suite buying, especially in a small-cap like TGEN, often precedes positive developments. Watch for upcoming earnings, contract wins, or operational updates that could catalyze the stock.

DirectionBullish
Confidencehigh
Horizonweeks
Final — all horizons settled through T+60d
TGEN ▲ +154.71% at T+60d
LONG call ✓ call won +154.71% · α vs SPY +140.29% · entry $2.23 → $5.68
Entry = T+0 close
Mar 19, 2026
via day close
T+1d
+5.83%
call +5.83% · α +4.73%
$2.36
settled 7mo ago
T+5d
+15.25%
call +15.25% · α +17.40%
$2.57
settled 7mo ago
T+20d
+118.39%
call +118.39% · α +109.07%
$4.87
settled 6mo ago
T+60d
+154.71%
call +154.71% · α +140.29%
$5.68
settled 4mo ago

Price Chart

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Executive Summary

Two TECOGEN executives, including the CEO and CAO, made open-market purchases totaling $29,194, while a director exercised options for 100,000 shares. The buying activity by top executives signals confidence in the company's prospects.

Key Financial Metrics

Direction
buying
Total Value
$29.2K
Insiders
3

Key Facts

  • CEO Rangesh Abinand purchased 3,000 shares at $2.298 ($6,894) in an open-market transaction.
  • CAO Roger P. Deschenes purchased 10,000 shares at $2.23 ($22,300) in an open-market transaction.
  • Director John Hatsopoulos exercised options for 100,000 shares at $0.88 (total value $88,000), a non-cash transaction.
  • Total open-market buying: $29,194 across two insiders.
  • Cluster represents 0.043% of $67M market cap — small in absolute size but meaningful given insider roles.

Financial Impact

$29,194 in net open-market buying by C-suite executives

insider sentimentownership concentration

Risk Factors

  • Total dollar amount of purchases is small relative to market cap (<0.1%), limiting broad market impact.
  • Director's option exercise is non-cash and does not reflect conviction in current valuation.

Market Snapshot

Exchange
NYSE

Investment Themes

Industrials & Manufacturing

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CONTEXT: Insider Cluster Data (4 trades, 7d window)cluster-TGEN-1774290897720
10 reports for TGEN
Performance horizon
67% Hit rate @ T+60 2 of 3 directional calls Went positive at some point 2 of 3 best @ T+60▲ +154.71%Mar 20, 2026
Filters
Rows
Reports for TGEN — sortable, filterable
TypeNow
Oct 14, 2026
12d ago
8-K
NEUTRAL ★ 2/10
$2.30awaiting T+60—$1.92 (−16.52%)
Sep 4, 2026
7w ago
EFFECT
NEUTRAL ★ 2/10
$3.13awaiting T+60—$1.92 (−38.66%)
Sep 2, 2026
7w ago
EFFECT
NEUTRAL ★ 4/10
$2.95awaiting T+60—$1.92 (−34.92%)
Jul 1, 2026
16w ago
8-K
NEUTRAL ★ 2/10
$4.93 $3.02▼ −38.74%▼ −41.70%$1.92 (−61.05%)
May 12, 2026
23w ago
8-K
BEARISH ★ 6/10
$5.07 $3.89▲ +23.27%▲ +27.71%$1.92 (+62.13%)
Apr 8, 2026
28w ago
8-K
NEUTRAL ★ 2/10
$3.09 $4.36▲ +41.10%▲ +30.32%$1.92 (−37.86%)
Mar 20, 2026
31w ago
Insider Cluster
BULLISH ★ 5/10
$2.23 $5.68▲ +154.71%▲ +140.29%$1.92 (−13.90%)
Mar 20, 2026
31w ago
Insider Cluster
NEUTRAL ★ 3/10
$2.23 $5.68▲ +154.71%▲ +140.29%$1.92 (−13.90%)
Mar 20, 2026
31w ago
Insider Cluster
BULLISH ★ 5/10
$2.23 $5.68▲ +154.71%▲ +140.29%$1.92 (−13.90%)
Mar 18, 2026
31w ago
8-K
BEARISH ★ 7/10
$2.00 $5.71▼ −185.50%▼ −173.97%$1.92 (+4.00%)
Showing 10 of 10

US Market Status

Market Closed — Opens in 5h 39m

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Report published Mar 23, 2026