Transaction #19803 · Form 4 · 0001358094-25-000006

Birchtech Corp. · Exercise / conversion · Common Stock

Birchtech Corp. · Transacted December 11, 2025 · Filed December 15, 2025

Original SEC filing ↗

What does this filing report?

An SEC Form 4 filing for Birchtech Corp. records an exercise / conversion involving Common Stock on December 11, 2025. The reported quantity was 300,000. The filing date is December 15, 2025. This is one transaction record; amounts are not allocated among any joint reporting owners.

The acquisition category describes how securities were received. It does not by itself establish a cash purchase of common stock. Read the transaction code definitionsand the original filing before interpreting the amounts.

Transaction details

Company CIK
0000728385
Security type
Non-derivative
Acquisition type
Exercise / conversion · Code M
Quantity acquired
300,000
Reported price
0.58
Reference value
174,000
Currency
Currency not specified
Ownership
Direct
Holdings after transaction
2,389,088
Ownership description
Not reported
SEC acceptance time
Dec 15, 2025, 8:49 PM EST
10b5-1 indication
Not indicated

Reference value is reported quantity × reported price. It is not a confirmed cash payment or an estimate of a derivative's economic value. A missing currency is not assumed to be USD.

Reporting owners

These are the reporting owners named in the filing. Quantities and amounts are not allocated among co-reporters. Roles reflect this filing, not a current profile.

Company listings

BCHT · NYSE · linked security

The linked listing is identified separately from other current company listings.

Filing footnotes & remarks

F1
Reflects shares of the Issuer's common stock acquired by the Reporting Person through the cashless exercise of an option covering 300,000 shares (from an option to purchase up to 500,000 shares), pursuant to which 190,560 shares were withheld by the Issuer with a VWAP of $0.9131 per share to pay the exercise price of $0.58 per share, resulting in 109,440 shares of common stock being issued to the Reporting Person on a net basis.

Footnotes are reproduced as plain text from the current source filing. For the full context, read the original SEC filing.

This record was updated Eastern Time. This is the stored record update time, not the transaction date. Report a correction.