Michaela Hildreth

CIK: 0001863001

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)2 (33.3%)

Compensation grants

Other (G, F, J, C, D, …)4 (66.7%)

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

Companies & Roles (1)

WTM

WHITE MOUNTAINS INSURANCE GROUP LTD

Officer

Discretionary Trading P&L

Holdings

Transaction History (6 total)

WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
Feb 25, 2026
Award(A)
Direct
600 shares-
WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
Jan 1, 2026
Tax Payment(F)
Direct
274 shares at avg. $2078.03$569K
WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
Dec 23, 2025
Gift(G)
Direct
60 shares-
WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
Feb 26, 2025
Award(A)
Direct
625 shares-
WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
Jan 1, 2025
Tax Payment(F)
Direct
323 shares at avg. $1945.06$628K
WTM
WHITE MOUNTAINS INSURANCE GROUP LTD
Nov 29, 2024
Gift(G)
Direct
75 shares-

		Type	Shares	Price		Ownership
Feb 25, 2026	WTM WHITE MOUNTAINS INSURANCE GROUP LTD	Award(A)	600	-	$0	Direct
Jan 1, 2026	WTM WHITE MOUNTAINS INSURANCE GROUP LTD	Tax Payment(F)	274	$2078.03	$569,380	Direct
Dec 23, 2025	WTM WHITE MOUNTAINS INSURANCE GROUP LTD	Gift(G)	60	-	-	Direct
Feb 26, 2025	WTM WHITE MOUNTAINS INSURANCE GROUP LTD	Award(A)	625	-	-	Direct
Jan 1, 2025	WTM WHITE MOUNTAINS INSURANCE GROUP LTD	Tax Payment(F)	323	$1945.06	$628,254	Direct
Nov 29, 2024	WTM WHITE MOUNTAINS INSURANCE GROUP LTD	Gift(G)	75	-	$0	Direct

1-6 of 6 transactions

About Hildreth Michaela

Hildreth Michaela (SEC CIK 0001863001) files insider reports with the SEC as MD & Chief Accounting Officer of WHITE MOUNTAINS INSURANCE GROUP LTD (WTM).

Signal8 holds 6 ownership filings by Hildreth Michaela, all Form 4s, filed between Dec 2, 2024 and Feb 27, 2026. Those filings report 6 transactions, from Nov 29, 2024 to Feb 25, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Hildreth Michaela's filings is in HANOVER, NH.

Recent filings by Hildreth Michaela

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).
Dec 23, 2025: Gift of WTM shares (Form 4, code G).
Feb 26, 2025: Grant or award of WTM shares (Form 4, code A).
Jan 1, 2025: Tax withholding of WTM shares (Form 4, code F).

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

Tanner David Allen, Director
Klar Stephen, Director
SHANK SUZANNE F., Director
Hicks Weston M, Director
Gelston Philip A, Director
Dillon Margaret, Director

How to read Form 4 transaction codes