Company: LEN
Filing Date: 2025-11-24
Form Type: SC TO-I/A
Source: 0001193125-25-293854
Chunk: 3

Company: LENNAR CORP /NEW/
Filing Date: 2025-11-24
Form: SC TO-I/A
Chunk 3
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 in book-entry form to accounts maintained by the Millrose transfer agent for tendering stockholders whose shares of Lennar Class A Common Stock were accepted in the Exchange Offer. Checks in lieu of fractional shares of Millrose Class A
common stock will be delivered after the Exchange Agent has aggregated all fractional shares and sold them in the open market.

On
November 24, 2025, Lennar issued a press release announcing the preliminary results of the Exchange Offer, a copy of which is attached as Exhibit (a)(4)(xxxvii) hereto and is incorporated herein by reference.

Item 12. Exhibits. Item 12 of the Schedule TO is hereby amended and supplemented by adding the following thereto:

| Exhibit        
 No.            |     | Description                                                                                             |
| (a)(4)(xxxv)   |     | Text of the website that is being maintained in connection with the Exchange Offer, updated on November 
 20, 2025 (incorporated by reference to Lennar’s Form 425 filing with the SEC on November 21, 2025).     |
| (a)(4)(xxxvi)  |     | Text of the website that is being maintained in connection with the Exchange Offer, updated on November 
 21, 2025 (incorporated by reference to Lennar’s Form 425 filing with the SEC on November 21, 2025).     |
| (a)(4)(xxxvii) |     | Press Release by Lennar, dated November 24, 2025 (incorporated by reference to Lennar’s Form            
 425 filing with the SEC on November 24, 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.

| LENNAR CORPORATION |     |                                                   |
| By:                |     | /s/ Diane Bessette                                |
|                    |     | Name: Diane Bessette                              |
|                    |     | Title: Vice President and Chief Financial Officer |
| Dated:             |     | November 24, 2025                                 |