XNYS:DUF Insider Activity 4 Filing - 3/7/2012

Effective Date 3/7/2012

FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
Gottdiener Noah
  2. Issuer Name and Ticker or Trading Symbol
Duff & Phelps Corp [DUF]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
CEO and President
(Last)
(First)
(Middle)
C/O DUFF AND PHELPS CORPORATION, 55 EAST 52ND STREET
3. Date of Earliest Transaction (Month/Day/Year)
03/07/2012
(Street)

NEW YORK, NY US 10055
4. If Amendment, Date Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Duff and Phelps Acquisitions, LLC New Class A Units (1) 03/07/2012   J(2)     41,715   (1)   (1) Class A common stock 41,715 $13.38 550,224 D  
Duff and Phelps Acquisitions, LLC New Class A Units (1) 03/07/2012   J(2)     352   (1)   (1) Class A common stock 352 $13.38 6,549 I see footnote(3)
Duff and Phelps Acquisitions, LLC New Class A Units (1)               (1)   (1) Class A common stock 192,982   192,982 I see footnote(4)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Gottdiener Noah
C/O DUFF AND PHELPS CORPORATION
55 EAST 52ND STREET
NEW YORK, NY US 10055
  X     CEO and President  

Signatures

 /s/ Edward S. Forman as Attorney-in-Fact for Noah Gottdiener   03/07/2012
** Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Pursuant to an exchange agreement entered into in connection with the closing of the initial public offering of Duff and Phelps Corporation (the "IPO"), holders of New Class A Units of Duff and Phelps Acquisitions, LLC ("DPA") issued in connection with the reorganization of DPA immediately prior to the consummation of the IPO (the "Reorganization") may exchange their New Class A Units for Class A common stock of Duff and Phelps Corporation on a one-for-one basis up to four times each year, subject to the vesting, minimum retained ownership requirements and transfer restrictions and customary conversion rate adjustments for splits, unit distributions and reclassifications contained in the exchange agreement.
(2) The New Class A Units listed in the table above were redeemed by Duff and Phelps Acquisitions, LLC using a portion of the net proceeds from the exercise of a portion of the over-allotment option in connection with Duff and Phelps Corporation's public offering of 4,500,000 shares of Class A common stock.
(3) Such Duff and Phelps Acquisitions, LLC New Class A Units are held by Mr. Gottdiener through Vestar/DP Holdings, LLC.
(4) Such Duff and Phelps Acquisitions, LLC New Class A Units are held by trusts for the benefit of Mr. Gottdiener.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.

XNYS:DUF Insider Activity 4 Filling

XNYS:DUF Stock - Get Insider Activity SEC Filing of XNYS:DUF stocks, including company profile, shares outstanding, strategy, business segments, operations, officers, consolidated financial statements, financial notes and ownership information.

XNYS:DUF Insider Activity 4 Filing - 3/7/2012
Name |  Ticker |  Star Rating |  Market Cap |  Stock Type |  Sector |  Industry Star Rating |  Investment Style |  Total Assets |  Category |  Top Holdings |  Top Sectors |  Symbol |  Title Star Rating |  Category |  Total Assets |  Top Holdings |  Top Sectors |  Symbol |  Name Title |  Date |  Author |  Collection |  Interest |  Popularity Topic |  Sector |  Key Indicators |  User Interest |  Market Cap |  Industry Name |  Ticker |  Star Rating |  Market Cap |  Stock Type |  Sector |  Industry Star Rating |  Investment Style |  Total Assets |  Category |  Top Holdings |  Top Sectors |  Symbol / Ticker |  Title Star Rating |  Category |  Total Assets |  Symbol / Ticker |  Name Title |  Date |  Author |  Collection |  Popularity |  Interest Title |  Date |  Company |  Symbol |  Interest |  Popularity Topic |  Sector |  Key Indicators |  User Interest |  Market Cap |  Industry Name |  Ticker |  Popularity |  Our Choices |  Most Recent Title |  Date |  Company |  Symbol |  Interest |  Popularity

Previous: XNYS:DUF Insider Activity 4 Filing - 3/7/2012  |  Next: XNYS:DUF Insider Activity 4 Filing - 3/7/2012