-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, H2lMjdSK80dlPPzzv28zXotAbFRBC+LvpAyYPMr2z4c0CwnF0tkz+nerjsI6t2BO M7u0iK4++1kPbENLLFwICQ== 0000902595-10-000039.txt : 20101209 0000902595-10-000039.hdr.sgml : 20101209 20101208195717 ACCESSION NUMBER: 0000902595-10-000039 CONFORMED SUBMISSION TYPE: SC 13D/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20101209 DATE AS OF CHANGE: 20101208 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: AMAG PHARMACEUTICALS INC. CENTRAL INDEX KEY: 0000792977 STANDARD INDUSTRIAL CLASSIFICATION: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835] IRS NUMBER: 042742593 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13D/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-38286 FILM NUMBER: 101240987 BUSINESS ADDRESS: STREET 1: 100 HAYDEN AVENUE CITY: LEXINGTON STATE: MA ZIP: 02140 BUSINESS PHONE: 6174972070 MAIL ADDRESS: STREET 1: 100 HAYDEN AVENUE CITY: LEXINGTON STATE: MA ZIP: 02140 FORMER COMPANY: FORMER CONFORMED NAME: ADVANCED MAGNETICS INC DATE OF NAME CHANGE: 19920703 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: Palo Alto Investors, LLC CENTRAL INDEX KEY: 0001306923 IRS NUMBER: 770558164 STATE OF INCORPORATION: CA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13D/A BUSINESS ADDRESS: STREET 1: 470 UNIVERSITY AVE CITY: PALO ALTO STATE: CA ZIP: 94301 BUSINESS PHONE: 650-325-0772 MAIL ADDRESS: STREET 1: 470 UNIVERSITY AVE CITY: PALO ALTO STATE: CA ZIP: 94301 SC 13D/A 1 schedule_13d.htm SCHEDULE 13D, AMENDMENT 1 schedule_13d.htm
 
 
 

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
 
SCHEDULE 13D
 

 
Under the Securities Exchange Act of 1934
 
(Amendment No. 1)*
 

AMAG Pharmaceuticals, Inc.

(Name of Issuer)

Common Stock, par value $0.01 per share

(Title of Class of Securities)

00163U106

(CUSIP Number)

Paul S. Scrivano, Esq.
O’Melveny & Myers LLP
Times Square Tower
7 Times Square
New York, New York 10036
(212) 326-2000

(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

December 7, 2010

(Date of Event Which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of sections 240.13d-1(e), 240.13d-1(f) or 140.13d-1(g), check the following box.  [ X ]
 
Note:  Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits.  See section 240.13d-7 for other parties to whom copies are to be sent.
 
* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.
 
The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).
 
 
 
 

 
 
 




 
1.
Names of Reporting Persons

 
Palo Alto Investors, Inc.


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


 
6.
Citizenship or Place of Organization 
California

Number of
Shares
Beneficially
Owned by
Each Reporting
Person With
7.           Sole Voting Power                                           0
8.           Shared Voting Power                                                      2,169,439
9.           Sole Dispositive Power                                                      0
10.           Shared Dispositive Power                                           2,169,439

 
11.
Aggregate Amount Beneficially Owned by Each Reporting Person2,169,439


 
12.
Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
 
Instructions)


 
13.
Percent of Class Represented by Amount in Row (11) 
10.27%


 
14.
Type of Reporting Person (See Instructions) 
CO, HC



 
 
 




 
1.
Names of Reporting Persons

 
Palo Alto Investors, 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 if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) ____


 
6.
Citizenship or Place of Organization 
California

Number of
Shares
Beneficially
Owned by
Each Reporting
Person With
7.           Sole Voting Power                                           0
8.           Shared Voting Power                                                      2,169,439
9.           Sole Dispositive Power                                                      0
10.           Shared Dispositive Power                                           2,169,439

 
11.
Aggregate Amount Beneficially Owned by Each Reporting Person2,169,439


 
12.
Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
 
Instructions)


 
13.
Percent of Class Represented by Amount in Row (11) 
10.27%


 
14.
Type of Reporting Person (See Instructions) 
IA, OO



 
 
 




 
1.
Names of Reporting Persons

 
William Leland Edwards


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


 
6.
Citizenship or Place of Organization 
U.S.A.

Number of
Shares
Beneficially
Owned by
Each Reporting
Person With
7.           Sole Voting Power                                           4,700
8.           Shared Voting Power                                                      2,169,439
9.           Sole Dispositive Power                                                      4,700
10.           Shared Dispositive Power                                           2,169,439

 
11.
Aggregate Amount Beneficially Owned by Each Reporting Person2,174,139


 
12.
Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
 
Instructions)______


 
13.
Percent of Class Represented by Amount in Row (11) 
10.29%


 
14.
Type of Reporting Person (See Instructions) 
IN, HC



 
 
 




 
1.
Names of Reporting Persons

 
Anthony Joonkyoo Yun, MD


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


 
6.
Citizenship or Place of Organization 
U.S.A.

Number of
Shares
Beneficially
Owned by
Each Reporting
Person With
7.           Sole Voting Power                                           0
8.           Shared Voting Power                                                      2,169,439
9.           Sole Dispositive Power                                                      0
10.           Shared Dispositive Power                                           2,169,439

 
11.
Aggregate Amount Beneficially Owned by Each Reporting Person2,169,439


 
12.
Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
 
Instructions)


 
13.
Percent of Class Represented by Amount in Row (11) 
10.27%


 
14.
Type of Reporting Person (See Instructions) 
IN, HC









 
 
 


This Amendment No. 1 (this “Amendment No. 1”) amends and supplements the Schedule 13D originally filed with the Securities and Exchange Commission (the “SEC”) on November 22, 2010 (the “Original Statement”) (the Original Statement, together with this Amendment No. 1, are collectively referred to herein as the “Statement”), by William Leland Edwards, Palo Alto Investors, LLC (“PAI LLC”), Palo Alto Investors, Inc. (“PAI Corp”), and Anthony Joonkyoo Yun, MD (collectively, the “Filers”).  Except as set forth in this Amendment No. 1, all information set forth in the Original Statement remains unchanged and capitalized terms used but not defined in this Amendment No. 1 shall have the meanings ascribed to such terms in the Original Statement.

 
Item 3.                      Source and Amount of Funds or Other Consideration
 
Item 3 is hereby amended and supplemented to add the following at the end thereof:
 
The source and amount of funds used in purchasing the additional shares of Stock reflected in Amendment No. 1 were as follows:
 
Purchaser
Source of Funds
Amount
PAI LLC
Funds Under Management
$68,761,209


Item 5.                      Interest in Securities of the Issuer
 
Item 5(c) is amended and supplemented to add the following at the end thereof:
 
Person Effecting Transaction
Date
Purchase or Sale
Quantity
Price per Share
PAI LLC
12/1/2010
purchase
27,600
 $                      15.66
PAI LLC
12/2/2010
purchase
65,200
 $                      15.46
PAI LLC
12/3/2010
purchase
48,300
 $                      16.22
PAI LLC
12/6/2010
purchase
39,900
 $                      16.07
PAI LLC
12/7/2010
purchase
31,400
 $                      15.74



 
 
 


SIGNATURES

After reasonable inquiry and to the best of my knowledge, I certify that the information set forth in this statement is true, complete and correct.

Dated:              December 7, 2010

PALO ALTO INVESTORS, INC.
 
 
By:           /s/ Mark Shamia                                           
Mark Shamia, Chief Operating Officer
 
PALO ALTO INVESTORS, LLC
 
 
By:           /s/ Mark Shamia                                           
Mark Shamia, Chief Operating Officer
 
/s/ Anthony Joonkyoo Yun                                                      
Anthony Joonkyoo Yun, MD
 
/s/ William Leland Edwards                                                      
William Leland Edwards

 
 
 
 
 


 
 
 

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