KAYE DAVID M exercised options at BIRCHTECH CORP.
Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.
M · 1 exercise
Filed: 12/15/2025ACC: 0001358094-25-000008
-155.21K
Net shares
Net seller
$145.0K
Total sold
0
Open market trades
0B · 0S
3
Total transactions
250K acquired · 405.21K disposed
Non-Derivative Transactions2
Common Stock
Direct
Shares
+250K
Price / share
$0.58
Trade value
$145K
% of position
90.8%
12/12/2025
275.36K→525.36K
Common Stock
Direct
Shares
−155.21K
Price / share
$0.93
Trade value
$145K
% of position
29.5%
12/12/2025
525.36K→370.14K
Total
Net shares
+94.79K
Net value
-$0.92
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Direct | 12/12/2025 | M · Option Exercise | +250K | $0.58 | $145K | 90.8% | 275.36K | 525.36K |
| Common Stock Direct | 12/12/2025 | F · Tax Withholding | −155.21K | $0.93 | $145K | 29.5% | 525.36K | 370.14K |
| Total | +94.79K | -$0.92 | ||||||
Derivative Transactions1
Stock Option (Right to Buy)
Direct
Converts to
Common Stock
250K shares
Shares
−250K
Strike price
0.58
Held after
0.00
Exercisable
—
12/12/2025
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock Option (Right to Buy) Direct | Common Stock250K shares | 12/12/2025 | M · Option Exercise | −250K | 0.58 | — | 0.00 |