# Tsang Chi Keung: insider transactions

SEC CIK 2074591. Roles and transactions as reported on Form 4. Latest Form 4 filed 2026-10-27.

## Roles

| Company | Role | Transactions | First | Latest |
| --- | --- | ---: | --- | --- |
| [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Chief Executive Officer, Director, Officer | 17 | 2026-04-02 | 2026-10-23 |

## Transactions: 17

Every transaction reported, newest first. Codes P and S are open-market purchases and sales. Reported price is as stated on the form.

| Date | Company | Transaction | Shares | Reported price | Value | Filing |
| --- | --- | --- | ---: | ---: | ---: | --- |
| 2026-10-23 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Option exercise (M), derivative | 141 | $0.00 | $0 | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-10-23 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Tax withholding (F) | 151 | $22.40 | $3.4k | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-10-23 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Option exercise (M) | 141 | $0.00 | $0 | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-09-30 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Option exercise (M), derivative | 3,776 | $0.00 | $0 | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-09-30 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Tax withholding (F) | 1,294 | $26.43 | $34.2k | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-09-30 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Option exercise (M) | 3,776 | $0.00 | $0 | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-07-23 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Option exercise (M), derivative | 142 | $0.00 | $0 | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-07-23 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Option exercise (M) | 142 | $0.00 | $0 | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-06-30 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Option exercise (M), derivative | 3,776 | $0.00 | $0 | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-06-30 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Tax withholding (F) | 1,272 | $13.31 | $16.9k | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-06-30 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Option exercise (M) | 3,776 | $0.00 | $0 | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-04-23 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Option exercise (M), derivative | 142 | $0.00 | $0 | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-04-23 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Option exercise (M) | 142 | $0.00 | $0 | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-04-07 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Tax withholding (F) | 1,496 | $20.17 | $30.2k | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-04-07 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Grant or award (A) | 4,186 | $0.00 | $0 | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-04-02 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Grant or award (A), derivative | 15,106 | $0.00 | $0 | [Form 4](/filings/0001493152-26-048607.md) |
| 2026-04-02 | [Bitmine Immersion Technologies, Inc.](/companies/bmnr.md) | Grant or award (A), derivative | 30,211 | $0.00 | $0 | [Form 4](/filings/0001493152-26-048607.md) |

Source: SEC EDGAR, Forms 4. Last ingested by Listed: Oct 30, 2026, 23:08 ET. No prices; not investment advice.