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Papamichael Michael A profile photo

Michael A. Papamichael

CIK: 0002090784

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)1 (50.0%)

Compensation grants

Other (G, F, J, C, D, …)1 (50.0%)

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

Companies & Roles (1)

WHITE MOUNTAINS INSURANCE GROUP LTD logo
WTM

WHITE MOUNTAINS INSURANCE GROUP LTD

Officer

Discretionary Trading P&L

Holdings

Transaction History (2 total)

  • WHITE MOUNTAINS INSURANCE GROUP LTD logo
    WTM

    WHITE MOUNTAINS INSURANCE GROUP LTD

    Feb 25, 2026
    Award(A)
    Direct
    500 shares-
  • WHITE MOUNTAINS INSURANCE GROUP LTD logo
    WTM

    WHITE MOUNTAINS INSURANCE GROUP LTD

    Jan 1, 2026
    Tax Payment(F)
    Direct
    131 shares at avg. $2078.03$272K

1-2 of 2

About Papamichael Michael A

Papamichael Michael A (SEC CIK 0002090784) files insider reports with the SEC as Chief Financial Officer of WHITE MOUNTAINS INSURANCE GROUP LTD (WTM).

Signal8 holds 3 ownership filings by Papamichael Michael A (1 Form 3, 2 Form 4), filed between Jan 2, 2026 and Feb 27, 2026. Those filings report 2 transactions, from Jan 1, 2026 to Feb 25, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Papamichael Michael A's filings is in HANOVER, NH.

Recent filings by Papamichael Michael A

  • Feb 25, 2026: Grant or award of WTM shares (Form 4, code A).
  • Jan 1, 2026: Tax withholding of WTM shares (Form 4, code F).

Other insiders filing for WHITE MOUNTAINS INSURANCE GROUP LTD (WTM)

How to read Form 4 transaction codes