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Tsang Chi Keung profile photo

Chi Keung Tsang

CIK: 0002074591

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)5 (38.5%)

Derivative conversions

Awards (A)4 (30.8%)

Compensation grants

Other (G, F, J, C, D, …)4 (30.8%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

BITMINE IMMERSION TECHNOLOGIES, INC. logo
BMNR

BITMINE IMMERSION TECHNOLOGIES, INC.

DirectorOfficer

Discretionary Trading P&L

Holdings

Transaction History (13 total)

  • BITMINE IMMERSION TECHNOLOGIES, INC. logo
    BMNR

    BITMINE IMMERSION TECHNOLOGIES, INC.

    Oct 23, 2026
    Exercise(M)
    Direct
    141 shares-
  • BITMINE IMMERSION TECHNOLOGIES, INC. logo
    BMNR

    BITMINE IMMERSION TECHNOLOGIES, INC.

    Oct 23, 2026
    Tax Payment(F)
    Direct
    151 shares at avg. $22.40$3K
  • BITMINE IMMERSION TECHNOLOGIES, INC. logo
    BMNR

    BITMINE IMMERSION TECHNOLOGIES, INC.

    Sep 30, 2026
    Tax Payment(F)
    Direct
    1.3K shares at avg. $26.43$34K
  • BITMINE IMMERSION TECHNOLOGIES, INC. logo
    BMNR

    BITMINE IMMERSION TECHNOLOGIES, INC.

    Sep 30, 2026
    Exercise(M)
    Direct
    3.8K shares-
  • BITMINE IMMERSION TECHNOLOGIES, INC. logo
    BMNR

    BITMINE IMMERSION TECHNOLOGIES, INC.

    Jul 23, 2026
    Exercise(M)
    Direct
    142 shares-
  • BITMINE IMMERSION TECHNOLOGIES, INC. logo
    BMNR

    BITMINE IMMERSION TECHNOLOGIES, INC.

    Jun 30, 2026
    Tax Payment(F)
    Direct
    1.3K shares at avg. $13.31$17K
  • BITMINE IMMERSION TECHNOLOGIES, INC. logo
    BMNR

    BITMINE IMMERSION TECHNOLOGIES, INC.

    Jun 30, 2026
    Exercise(M)
    Direct
    3.8K shares-
  • BITMINE IMMERSION TECHNOLOGIES, INC. logo
    BMNR

    BITMINE IMMERSION TECHNOLOGIES, INC.

    Apr 23, 2026
    Exercise(M)
    Direct
    142 shares-
  • BITMINE IMMERSION TECHNOLOGIES, INC. logo
    BMNR

    BITMINE IMMERSION TECHNOLOGIES, INC.

    Apr 7, 2026
    Award(A)
    Direct
    4.2K shares-
  • BITMINE IMMERSION TECHNOLOGIES, INC. logo
    BMNR

    BITMINE IMMERSION TECHNOLOGIES, INC.

    Apr 7, 2026
    Tax Payment(F)
    Direct
    1.5K shares at avg. $20.17$30K
  • BITMINE IMMERSION TECHNOLOGIES, INC. logo
    BMNR

    BITMINE IMMERSION TECHNOLOGIES, INC.

    Apr 2, 2026
    Award(A)

    Stock Options

    Direct
    30.2K shares-
  • BITMINE IMMERSION TECHNOLOGIES, INC. logo
    BMNR

    BITMINE IMMERSION TECHNOLOGIES, INC.

    Apr 2, 2026
    Award(A)

    Restricted Stock Units

    Direct
    15.1K shares-
  • BITMINE IMMERSION TECHNOLOGIES, INC. logo
    BMNR

    BITMINE IMMERSION TECHNOLOGIES, INC.

    Jan 23, 2026
    Award(A)

    Restricted Stock Units

    Direct
    567 shares-

1-13 of 13

About Tsang Chi Keung

Tsang Chi Keung (SEC CIK 0002074591) files insider reports with the SEC as Chief Executive Officer of BITMINE IMMERSION TECHNOLOGIES, INC. (BMNR).

Signal8 holds 3 ownership filings by Tsang Chi Keung (1 Form 3, 2 Form 4), filed between Nov 17, 2025 and Oct 26, 2026. Those filings report 13 transactions, from Jan 23, 2026 to Oct 23, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Tsang Chi Keung's filings is in NORWALK, CT.

Recent filings by Tsang Chi Keung

  • Oct 23, 2026: Option exercise of BMNR shares (Form 4, code M).
  • Oct 23, 2026: Tax withholding of BMNR shares (Form 4, code F).
  • Sep 30, 2026: Tax withholding of BMNR shares (Form 4, code F).
  • Sep 30, 2026: Option exercise of BMNR shares (Form 4, code M).
  • Jul 23, 2026: Option exercise of BMNR shares (Form 4, code M).

Other insiders filing for BITMINE IMMERSION TECHNOLOGIES, INC. (BMNR)

How to read Form 4 transaction codes