40 North Management Further Increases Bet On Mattress Firm Holding (MFRM)

Page 2 of 13 – SEC Filing

CUSIP No. 57722W106 Page 2 of 13 Pages
1.

Names of Reporting Persons

40 NORTH MANAGEMENT LLC

2. Check the Appropriate Box if a Member of a Group (See Instructions)
(a)  ¨
(b)  x
3.

SEC Use Only

4.

Source of Funds (See Instructions)

AF

5.

Check Box if Disclosure of Legal Proceedings Is Required Pursuant
to Items 2(d) or 2(e)     ¨

6.

Citizenship or Place of Organization

DELAWARE

Number of

Shares

Beneficially

Owned by

Each

Reporting

Person
With

7.

Sole Voting Power

4,465,758

8.

Shared Voting Power

0

9.

Sole Dispositive Power

4,465,758

10.

Shared Dispositive Power

0

11.

Aggregate Amount Beneficially Owned by Each Reporting Person

4,465,758

12.

Check Box if the Aggregate Amount in Row (11) Excludes Certain
Shares (See Instructions)   ¨

13.

Percent of Class Represented by Amount in Row (11)

12.0%

14.

Type of Reporting Person (See Instructions)

IA

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