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| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| WYFI | Huang Erke | Chief Financial Officer | Jul 24 '26 | Option Exercise | 0.00 | 7,079 | 0 | 203,390 | Jul 28 |
| WYFI | Huang Erke | Chief Financial Officer | Mar 31 '26 | Option Exercise | 0.00 | 41,982 | 0 | 196,311 | Jul 28 |
| BTBT | Huang Erke | Chief Financial Officer | Mar 25 '26 | Option Exercise | 0.00 | 750,000 | 0 | 2,130,000 | Mar 27 |
| WYFI | Huang Erke | Chief Financial Officer | Mar 19 '26 | Option Exercise | 0.00 | 66,094 | 0 | 154,329 | Mar 23 |
| BTBT | Huang Erke | Chief Financial Officer | Jan 28 '26 | Option Exercise | 1.89 | 205,000 | 387,450 | 1,380,000 | Jan 29 |
| BTBT | Huang Erke | Chief Financial Officer | Nov 21 '25 | Sale | 2.01 | 410,636 | 825,378 | 1,175,000 | Nov 24 |
| BTBT | Huang Erke | Chief Financial Officer | Nov 20 '25 | Sale | 2.18 | 1,089,364 | 2,374,814 | 1,585,636 | Nov 24 |
| BTBT | Huang Erke | Chief Financial Officer | Oct 15 '25 | Option Exercise | 3.00 | 325,000 | 975,000 | 2,675,000 | Oct 17 |
| WYFI | Huang Erke | Chief Financial Officer | Oct 15 '25 | Option Exercise | 0.00 | 88,235 | 0 | 88,235 | Oct 17 |
| BTBT | Huang Erke | Chief Financial Officer | Jul 25 '25 | Option Exercise | 0.00 | 300,000 | 0 | 2,350,000 | Jul 29 |
| BTBT | Huang Erke | Chief Financial Officer | Jul 16 '25 | Option Exercise | 0.00 | 255,000 | 0 | 2,050,000 | Jul 18 |