White Mountains Insurance Group Ltd SC TO-I/A, filed Dec 22, 2025
White Mountains Insurance Group Ltd (WTM)
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
AMENDMENT NO. 1
TO
SCHEDULE TO
Tender Offer Statement under Section 14(d)(1) or 13(e)(1)
of the Securities Exchange Act of 1934
WHITE MOUNTAINS INSURANCE GROUP, LTD.
(Name of Subject Company (Issuer) and Filing Person (Issuer and Offeror))
Common Shares, par value $1.00 per share
(Title of Class of Securities)
G9618E107
(CUSIP Number of Class of Securities)
Robert L. Seelig, Esq.
Executive Vice President and General Counsel
White Mountains Insurance Group, Ltd.
23 South Main Street, Suite 3B
Hanover, New Hampshire 03755-2053
Telephone: (603) 640-2200
(Name, address and telephone number of person authorized to receive notices and communications on behalf of filing persons)
With a copy to:
Andrew J. Pitts, Esq. C. Daniel Haaren, Esq. Cravath, Swaine & Moore LLP Two Manhattan West 375 Ninth Avenue New York, New York 10019 Telephone: (212) 474-1000 |
David Lopez, Esq. Manuel Silva, Esq. Cleary Gottlieb Steen & Hamilton LLP One Liberty Plaza New York, New York 10006 Telephone: (212) 225-2000 |
| ¨ | Check the box if the filing relates solely to preliminary communications made before the commencement of the tender offer. |
Check the appropriate boxes below to designate any transactions to which the statement relates:
| ¨ | third-party tender offer subject to Rule 14d-1. |
| x | issuer tender offer subject to Rule 13e-4. |
| ¨ | going-private transaction subject to Rule 13e-3. |
| ¨ | amendment to Schedule 13D under Rule 13d-2. |
Check the following box if the filing is a final amendment reporting the results of the tender offer: ¨
If applicable, check the appropriate box(es) below to designate the appropriate rule provision(s) relied upon:
| ¨ | Rule 13e-4(i) (Cross-Border Issuer Tender Offer) |
| ¨ | Rule 14d-1(d) (Cross-Border Third-Party Tender Offer) |
INTRODUCTION
This Amendment No. 1 (this “Amendment”) amends and supplements the Issuer Tender Offer Statement on Schedule TO, initially filed by White Mountains Insurance Group, Ltd., a company organized under the laws of Bermuda (the “Company”), with the Securities and Exchange Commission on November 21, 2025 (as amended as of the date hereof, the “Schedule TO”), which relates to the offer by the Company to purchase up to $300 million in value of its issued and outstanding Common Shares, par value $1.00 per share (the “Common Shares” or the “Shares”), at a purchase price not greater than $2,050 nor less than $1,850 per Share, in cash, less any applicable withholding taxes and without interest, upon the terms and subject to the conditions set forth in the Offer to Purchase, dated November 21, 2025 (the “Offer to Purchase”), and in the related Letter of Transmittal.
This Amendment is being filed in satisfaction of the reporting requirements of Rule 13e-4(c)(4) promulgated under the Securities Exchange Act of 1934, as amended. Except as otherwise set forth below, the information set forth in the Schedule TO, including all exhibits thereto that were previously filed with the Schedule TO, remains unchanged and is incorporated by reference as relevant to the items in this Amendment.
Item 11. Additional Information.
(1) Item 11 of the Schedule TO is hereby amended and supplemented by adding the following to the end thereof:
On December 22, 2025, the Company issued a press release announcing the preliminary results of the Offer, which expired at 12:00 midnight, New York City time, at the end of the day on December 19, 2025. A copy of the press release is attached hereto as Exhibit (a)(5)(O) and incorporated herein by reference.
Item 12. Exhibits.
(1) Item 12 of the Schedule TO is hereby amended and supplemented by adding the following exhibit:
(a)(5)(O) Press Release, dated December 22, 2025
SIGNATURE
After due inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
| WHITE MOUNTAINS INSURANCE GROUP, LTD. | |||
| By: | /s/ Michaela J. Hildreth | ||
| Name: | Michaela J. Hildreth | ||
| Title: | Managing Director and Chief Accounting Officer | ||
December 22, 2025
INDEX OF EXHIBITS
* Previously filed as exhibits to the Schedule TO
Exhibit 99.(a)(5)(o)
PRESS RELEASE
CONTACT: Rob Seelig
(603) 640-2212
WHITE MOUNTAINS ANNOUNCES
PRELIMINARY RESULTS OF ITS TENDER OFFER
HAMILTON, Bermuda, December 22, 2025 -- White Mountains Insurance Group, Ltd. (NYSE: WTM) announced today the preliminary results of its “modified Dutch auction” tender offer to purchase up to $300 million in value of its common shares. The tender offer expired at 12:00 midnight, New York City time, at the end of the day on December 19, 2025.
Based on a preliminary count by the depositary for the tender offer, 67,186 shares were properly tendered and not properly withdrawn at or below the purchase price of $2,050 per share, including 16,589 shares that were tendered by notice of guaranteed delivery.
The Company expects to purchase all validly tendered shares for approximately $137.7 million. The shares expected to be purchased in the tender offer represent approximately 2.6% of White Mountains’s shares outstanding as of November 19, 2025.
The number of shares expected to be purchased in the tender offer and the purchase price are preliminary and subject to change. The preliminary information contained in this press release is subject to confirmation by the depositary and is based on the assumption that all shares tendered by notice of guaranteed delivery will be delivered within the one trading day settlement period. The final number of shares to be purchased and the final purchase price will be announced promptly following the expiration of the guaranteed delivery period and completion by the depositary of the confirmation process. Payments for shares accepted for purchase under the tender offer will be made promptly after the final results of the tender offer are announced.
The Company expects to have approximately 2,476,555 common shares outstanding as of the time immediately following payment for the accepted shares.
Shareholders who have questions or would like additional information about the tender offer may contact the information agent for the tender offer, D.F. King & Co., at (800) 821-2712 (toll free) or by email at wtm@dfking.com. The dealer managers for the tender offer were BofA Securities, Inc. and Barclays Capital Inc.
White Mountains is traded on the New York Stock Exchange under the symbol “WTM” and the Bermuda Stock Exchange under the symbol “WTM-BH”.
FORWARD-LOOKING StatementS
This press release may contain “forward-looking statements”. All statements, other than statements of historical facts, included or referenced in this press release which address activities, events or developments which White Mountains expects or anticipates will or may occur in the future are forward-looking statements. The words “could”, “will”, “believe”, “intend”, “expect”, “anticipate”, “project”, “estimate”, “predict” and similar expressions are also intended to identify forward-looking statements. These forward-looking statements include, among others, statements with respect to the number of shares expected to be purchased in the tender offer and the purchase price.
These statements are based on certain assumptions and analyses made by White Mountains in light of its experience and perception of historical trends, current conditions and expected future developments, as well as other factors believed to be appropriate in the circumstances. However, whether actual results and developments will conform to its expectations and predictions is subject to risks and uncertainties that could cause actual results to differ materially from expectations, including:
· the risks that are described from time to time in White Mountains’s filings with the Securities and Exchange Commission, including but not limited to White Mountains’s Annual Report on Form 10-K for the fiscal year ended December 31, 2024;
· claims arising from catastrophic events, such as hurricanes, windstorms, earthquakes, floods, wildfires, tornadoes, tsunamis, severe weather, public health crises, terrorist attacks, war and war-like actions, explosions, infrastructure failures, or cyber-attacks;
· recorded loss reserves subsequently proving to have been inadequate;
· the market value of White Mountains’s investment in MediaAlpha;
· business opportunities (or lack thereof) that may be presented to it and pursued;
· actions taken by rating agencies, such as financial strength or credit ratings downgrades or placing ratings on negative watch;
· the continued availability of capital and financing;
· the continued availability of fronting and reinsurance capacity;
· deterioration of general economic, market or business conditions, including due to outbreaks of contagious disease and corresponding mitigation efforts;
· competitive forces, including the conduct of other insurers;
· changes in domestic or foreign laws or regulations, or their interpretation, applicable to White Mountains, its competitors or its customers; and
· other factors, most of which are beyond White Mountains’s control.
Consequently, all of the forward-looking statements made in this press release are qualified by these cautionary statements, and there can be no assurance that the actual results or developments anticipated by White Mountains will be realized or, even if substantially realized, that they will have the expected consequences to, or effects on, White Mountains or its business or operations. Except for our obligations under Rule 13e-4(c)(3) and Rule 13e-4(e)(3) of the Exchange Act to disclose any material changes in the information previously disclosed to shareholders or as otherwise required by law, the Company assumes no obligation to publicly update any such forward-looking statements, whether as a result of new information, future events or otherwise.