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SC 13G ·Filed Oct 5, 2026

BCHT

Birchtech Corp.
NEUTRAL
Impact 3/10
Horizonweeks Processed20d 23h ago SEC0000935836-26-000520
Passive investor 5%+ stake
Actionable Insight • Neutral

Monitor for any subsequent conversion of this 13G to a 13D, which would signal activist intent. The relatively small stake just above 5% suggests limited near-term influence.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+5d
BCHT ▼ -5.37% at T+5d
NEUTRAL call -5.37% · α vs SPY -5.23% · entry $1.49 → $1.41
Next anchor: T+20d in 7d
Latest observation: T+13 -16.08% FF3 residual α
Entry = T+0 close
Oct 5, 2026
via day close
T+1d
-2.68%
call -2.68% · α -2.44%
$1.45
settled 20d ago
T+5d
-5.37%
call -5.37% · α -5.23%
$1.41
settled 14d ago
T+20d
Pending
in 7d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

Laurence W. Lytton has filed a Schedule 13G disclosing beneficial ownership of 1,380,513 shares of Birchtech Corp. common stock, representing 5.2% of shares outstanding as of August 13, 2026. The filing is a passive investment disclosure with no intent to influence control, and the stake is relatively modest at just above the 5% threshold.

Key Financial Metrics

Stake
5.2%
Investor
Laurence W. Lytton

Key Facts

  • Laurence W. Lytton reported beneficial ownership of 1,380,513 shares of Birchtech Corp. common stock.
  • The stake represents 5.2% of the 26,305,966 shares outstanding as of August 13, 2026.
  • The filing is a passive Schedule 13G under Rule 13d-1(c), indicating no intent to influence or change control.
  • The filing date is October 5, 2026, with the event date of September 29, 2026.

Financial Impact

5.2% stake valued at approximately $1.4 million based on 1,380,513 shares (no per-share price provided in filing).

ownership concentration

Risk Factors

  • No material risk identified from this passive filing alone.

Investment Themes

Industrials & Manufacturing

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13G Filing (Primary)0000935836-26-000520
Document: 0000935836-26-000520-index.html0000935836-26-000520
Document: 0000935836-26-000520.txt0000935836-26-000520
6 reports for BCHT
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for BCHT — sortable, filterable
TypeNow
Oct 5, 2026
20d ago
SC 13G
NEUTRAL ★ 3/10
$1.49awaiting T+60—$1.24 (−16.78%)
Aug 7, 2026
11w ago
Press Release
NEUTRAL ★ 2/10
$1.43awaiting T+60—$1.24 (−13.29%)
Apr 29, 2026
25w ago
Press Release
NEUTRAL ★ 1/10
$1.57 $1.40▼ −10.83%▼ −14.94%$1.24 (−21.02%)
Apr 13, 2026
28w ago
8-K
NEUTRAL ★ 3/10
$1.80 $1.94▲ +7.78%▼ −0.74%$1.24 (−31.11%)
Mar 24, 2026
30w ago
Press Release
NEUTRAL ★ 3/10
$2.09 $2.34▲ +11.96%▼ −2.36%$1.24 (−40.67%)
Feb 27, 2026
34w ago
424B4
BEARISH ★ 7/10
$2.36 $1.54▲ +34.75%▲ +44.13%$1.24 (+47.46%)
Showing 6 of 6

US Market Status

Market Closed — Opens Tue (< 1m)

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Report published Oct 5, 2026