13D·WATCH Activist + Insider Intelligence Live feed Blog About Pricing
ISSUER PROFILE · CIK 0000728385

Birchtech Corp.BCHT

1 13D/G filings 1 distinct filers 0 insider transactions (365d)

Cross-Reference Snapshot

Activist filings
1
1 SCHEDULE 13G
Distinct filers
1
single filer
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
1.00
as of 2026-09-30

13D/G Filings Timeline · 1 total

FiledFormFilerStakeSharesIntent
2026-10-05 SCHEDULE 13G LYTTON LAURENCE W — — view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-09-30 33,857 1.00 -61.8%
2026-09-15 88,704 1.03 +9.5%
2026-08-31 81,014 1.49 -11.3%
2026-08-14 91,317 1.04 -6.6%
2026-07-31 97,780 1.38 -38.5%
2026-07-15 159,023 2.78 +19.2%
2026-06-30 133,458 1.00 +751.5%
2026-06-15 15,673 1.00 +17.7%
2026-05-29 13,321 1.00 -70.5%
2026-05-15 45,163 1.00 +14.7%
2026-04-30 39,371 1.00 +54.1%
2026-04-15 25,549 1.00 +626.6%

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