QCOR / - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

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SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
August 14, 2014 S-8 POS

QCOR / S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on August 14, 2014 Registration No.

August 14, 2014 S-8 POS

QCOR / S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on August 14, 2014 Registration No.

August 14, 2014 S-8 POS

QCOR / S-8 POS - - S-8 POS

S-8 POS As filed with the Securities and Exchange Commission on August 14, 2014 Registration No.

August 14, 2014 S-8 POS

QCOR / S-8 POS - - S-8 POS

S-8 POS 1 d777358ds8pos.htm S-8 POS As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 333-175972 Registration No. 333-151395 Registration No. 333-134878 Registration No. 333-116624 Registration No. 333-105694 Registration No. 333-105693 Registration No. 333-46990 Registration No. 333-30558 Registration No. 333-81243 Registration No. 33-91254 Registration No.

August 14, 2014 POS AM

QCOR / POS AM - - POS AM

POS AM 1 d772549dposam.htm POS AM As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 333-25661 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 QUESTCOR PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) California

August 14, 2014 POS AM

QCOR / POS AM - - POS AM

POS AM 1 d777476dposam.htm POS AM As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 333-61866 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 QUESTCOR PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) California

August 14, 2014 8-K

Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Material Modification to Rights of Security Holders, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets, Other Events, Submission of Matters to a Vote of Security Holders

8-K 1 d772821d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 14, 2014 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in its Charter) California 001-14758 33-0476164 (State or Other Jur

August 14, 2014 S-8 POS

QCOR / S-8 POS - - S-8 POS

S-8 POS As filed with the Securities and Exchange Commission on August 14, 2014 Registration No.

August 14, 2014 S-8 POS

QCOR / S-8 POS - - S-8 POS

S-8 POS As filed with the Securities and Exchange Commission on August 14, 2014 Registration No.

August 14, 2014 POS AM

QCOR / POS AM - - POS AM

POS AM 1 d777470dposam.htm POS AM As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 333-17501 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 QUESTCOR PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) California

August 14, 2014 POS AM

QCOR / POS AM - - POS AM

POS AM 1 d777352dposam.htm POS AM As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 33-80645 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 QUESTCOR PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) California

August 14, 2014 POS AM

QCOR / POS AM - - POS AM

As filed with the Securities and Exchange Commission on August 14, 2014 Registration No.

August 14, 2014 POS AM

QCOR / POS AM - - POS AM

POS AM 1 d772433dposam.htm POS AM As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 333-23085 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 2 TO FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 QUESTCOR PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) California

August 14, 2014 EX-99.1

MALLINCKRODT AND QUESTCOR SHAREHOLDERS APPROVE MALLINCKRODT’S ACQUISITION OF QUESTCOR

EX-99.1 2 d772821dex991.htm EX-99.1 Exhibit 99.1 MALLINCKRODT AND QUESTCOR SHAREHOLDERS APPROVE MALLINCKRODT’S ACQUISITION OF QUESTCOR DUBLIN, IRELAND and ANAHEIM, Calif., Aug. 14, 2014 — Mallinckrodt plc (NYSE: MNK) and Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) today jointly announced that all proposals necessary for Mallinckrodt’s acquisition of Questcor were approved by Mallinckrodt’s and Q

August 14, 2014 S-8 POS

QCOR / S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on August 14, 2014 Registration No.

August 14, 2014 POS AM

QCOR / POS AM - - POS AM

POS AM 1 d772398dposam.htm POS AM As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 333-102988 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 QUESTCOR PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) Californi

August 14, 2014 S-8 POS

QCOR / S-8 POS - - S-8 POS

S-8 POS 1 d777358ds8pos.htm S-8 POS As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 333-175972 Registration No. 333-151395 Registration No. 333-134878 Registration No. 333-116624 Registration No. 333-105694 Registration No. 333-105693 Registration No. 333-46990 Registration No. 333-30558 Registration No. 333-81243 Registration No. 33-91254 Registration No.

August 14, 2014 POS AM

QCOR / POS AM - - POS AM

POS AM 1 d777455dposam.htm POS AM As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 33-97970 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 QUESTCOR PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) California

August 14, 2014 POS AM

QCOR / POS AM - - POS AM

POS AM 1 d777355dposam.htm POS AM As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 333-107755 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 QUESTCOR PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) Californi

August 14, 2014 POS AM

QCOR / POS AM - - POS AM

POS AM 1 d772386dposam.htm POS AM As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 333-114166 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 QUESTCOR PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) Californi

August 14, 2014 POS AM

QCOR / POS AM - - POS AM

POS AM 1 d777491dposam.htm POS AM As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 333-32159 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 QUESTCOR PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) California

August 14, 2014 POS AM

QCOR / POS AM - - POS AM

POS AM 1 d772501dposam.htm POS AM As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 333-85160 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 QUESTCOR PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) California

August 14, 2014 S-8 POS

QCOR / S-8 POS - - S-8 POS

S-8 POS 1 d777358ds8pos.htm S-8 POS As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 333-175972 Registration No. 333-151395 Registration No. 333-134878 Registration No. 333-116624 Registration No. 333-105694 Registration No. 333-105693 Registration No. 333-46990 Registration No. 333-30558 Registration No. 333-81243 Registration No. 33-91254 Registration No.

August 14, 2014 S-8 POS

QCOR / S-8 POS - - S-8 POS

As filed with the Securities and Exchange Commission on August 14, 2014 Registration No.

August 14, 2014 POS AM

QCOR / POS AM - - POS AM

POS AM 1 d777482dposam.htm POS AM As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 33-72770 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-3 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 QUESTCOR PHARMACEUTICALS, INC. (Exact name of registrant as specified in its charter) California

August 14, 2014 S-8 POS

QCOR / S-8 POS - - S-8 POS

S-8 POS 1 d777358ds8pos.htm S-8 POS As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 333-175972 Registration No. 333-151395 Registration No. 333-134878 Registration No. 333-116624 Registration No. 333-105694 Registration No. 333-105693 Registration No. 333-46990 Registration No. 333-30558 Registration No. 333-81243 Registration No. 33-91254 Registration No.

August 14, 2014 S-8 POS

QCOR / S-8 POS - - S-8 POS

S-8 POS 1 d777358ds8pos.htm S-8 POS As filed with the Securities and Exchange Commission on August 14, 2014 Registration No. 333-175972 Registration No. 333-151395 Registration No. 333-134878 Registration No. 333-116624 Registration No. 333-105694 Registration No. 333-105693 Registration No. 333-46990 Registration No. 333-30558 Registration No. 333-81243 Registration No. 33-91254 Registration No.

August 11, 2014 425

MNK / Mallinckrodt PLC 425 - Merger Prospectus - 425

425 1 d774172d425.htm 425 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Form S-4 File No.: 333-196054 HOME ABOUT MALLINCKRODT ABOUT QUESTCOR THE MERGER Q&A ABOUT MALLINCKRODT PHARMACEUTICALS Today’s Mallinckrodt Pharmaceuticals combines m

August 11, 2014 DEFA14A

QCOR / DEFA14A - - DEFA14A

DEFA14A 1 d774491ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as

August 11, 2014 425

MNK / Mallinckrodt PLC 425 - Merger Prospectus - 425

425 1 d774461d425.htm 425 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Form S-4 File No.: 333-196054 The following new questions and answers were posted to http://www.mallinckrodt.com/mnk-qcor/mergerinfo/qa/ Questcor Employee Integration

August 11, 2014 425

MNK / Mallinckrodt PLC 425 - Merger Prospectus - FORM 425

425 1 d774468d425.htm FORM 425 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Form S-4 File No.: 333-196054 August 11, 2014 Dear Mallinckrodt Colleagues: This week, special meetings will be held where the respective shareholders of Mallinc

August 11, 2014 425

MNK / Mallinckrodt PLC 425 - Merger Prospectus - 425

425 1 d774477d425.htm 425 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Form S-4 File No.: 333-196054 Cautionary Statement Regarding Forward-Looking Statements Statements in this document that are not strictly historical, including statem

August 7, 2014 425

MNK / Mallinckrodt PLC 425 - Merger Prospectus - 425

425 1 d770539d425.htm 425 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Form S-4 File No.: 333-196054 MNK – Q3 2014 Mallinckrodt plc Earnings Call August 7, 2014 / 12:30PM GMT Mark Trudeau - Mallinckrodt plc - President and CEO On the acq

August 5, 2014 425

MNK / Mallinckrodt PLC 425 - Merger Prospectus - 425

425 1 d767670d425.htm 425 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Form S-4 File No.: 333-196054 IMPORTANT EXTRAORDINARY GENERAL MEETING OF SHAREHOLDERS PLEASE VOTE TODAY! August 5, 2014 Dear Fellow Shareholder: According to our late

July 30, 2014 EX-10.1

NOTE PURCHASE AGREEMENT Dated as of July 28, 2014 by and among MALLINCKRODT SECURITIZATION S.À R.L., as Issuer, THE PERSONS FROM TIME TO TIME PARTY HERETO, as Purchasers, PNC BANK, NATIONAL ASSOCIATION, as Administrative Agent, MALLINCKRODT LLC, as i

EX-10.1 Exhibit 10.1 EXECUTION VERSION NOTE PURCHASE AGREEMENT Dated as of July 28, 2014 by and among MALLINCKRODT SECURITIZATION S.À R.L., as Issuer, THE PERSONS FROM TIME TO TIME PARTY HERETO, as Purchasers, PNC BANK, NATIONAL ASSOCIATION, as Administrative Agent, and MALLINCKRODT LLC, as initial Servicer Variable Funding Asset Backed Notes TABLE OF CONTENTS Page ARTICLE I DEFINITIONS 1 SECTION

July 30, 2014 425

MNK / Mallinckrodt PLC 425 - Merger Prospectus - FORM 8-K

425 1 d765420d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (date of earliest event reported): July 29, 2014 (July 28, 2014) Mallinckrodt public limited company (Exact name of registrant as specified in its charter) Ireland 001-35803 98-1088325 (St

July 30, 2014 425

MNK / Mallinckrodt PLC 425 - Merger Prospectus - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (date of earliest event reported): July 30, 2014 Mallinckrodt public limited company (Exact name of registrant as specified in its charter) Ireland 001-35803 98-1088325 (State or other jurisdiction of incorporation or

July 30, 2014 425

QCOR / 425 - Merger Prospectus - 8-K

425 1 d765179d8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 July 29, 2014 Date of Report (Date of earliest event reported) QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of

July 30, 2014 8-K

Current Report

8-K 1 d765179d8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 July 29, 2014 Date of Report (Date of earliest event reported) QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of

July 30, 2014 EX-10.4

PERFORMANCE GUARANTY

EX-10.4 Exhibit 10.4 EXECUTION COPY PERFORMANCE GUARANTY This PERFORMANCE GUARANTY (as amended, supplemented or otherwise modified from time to time, this “Performance Guaranty”), dated as of July 28, 2014, is made by MALLINCKRODT INTERNATIONAL FINANCE S.A., a public limited liability company (société anonyme) organized under the laws of the Grand Duchy of Luxembourg having its registered office a

July 30, 2014 425

MNK / Mallinckrodt PLC 425 - Merger Prospectus - FORM 8-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (date of earliest event reported): July 29, 2014 Mallinckrodt public limited company (Exact name of registrant as specified in its charter) Ireland 001-35803 98-1088325 (State or other jurisdiction of incorporation or

July 30, 2014 EX-10.2

PURCHASE AND SALE AGREEMENT Dated as of July 28, 2014 VARIOUS ENTITIES LISTED ON SCHEDULE I HERETO, as Originators, MALLINCKRODT LLC, as initial Servicer, MALLINCKRODT SECURITIZATION S.À R.L., as Buyer Clause Subject Matter Page ARTICLE I AGREEMENT T

EX-10.2 Exhibit 10.2 EXECUTION COPY PURCHASE AND SALE AGREEMENT Dated as of July 28, 2014 among VARIOUS ENTITIES LISTED ON SCHEDULE I HERETO, as Originators, MALLINCKRODT LLC, as initial Servicer, and MALLINCKRODT SECURITIZATION S.À R.L., as Buyer CONTENTS Clause Subject Matter Page ARTICLE I AGREEMENT TO PURCHASE AND SELL 2 SECTION 1.1 Agreement To Purchase and Sell 2 SECTION 1.2 Timing of Purcha

July 30, 2014 EX-10.3

SALE AGREEMENT

EX-10.3 4 d765420dex103.htm EX-10.3 Exhibit 10.3 SALE AGREEMENT This Sale Agreement, dated as of July 28, 2014 (this “Agreement”), is between LIEBEL-FLARSHEIM COMPANY LLC, a Delaware limited liability company (the “Seller”), and MALLINCKRODT LLC, a Delaware limited liability company (the “Buyer”). W I T N E S S E T H : WHEREAS, the Seller is a direct wholly-owned subsidiary of the Buyer; WHEREAS,

July 28, 2014 425

MNK / Mallinckrodt PLC 425 - Merger Prospectus - 425

425 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc.

July 25, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 24, 2014 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation)

July 25, 2014 EX-99.1

Questcor Reports Record Second Quarter Financial Results Net Sales $279 Million; Increase of 42% over Prior Year Non-GAAP Results GAAP EPS of $1.54, Non-GAAP EPS of $1.85 up 37% Year-Over-Year $99 Million of Operating Cash Flow Record 8,850 Acthar Vi

EX-99.1 2 d762553dex991.htm EX-99.1 Exhibit 99.1 Questcor Reports Record Second Quarter Financial Results Net Sales $279 Million; Increase of 42% over Prior Year Non-GAAP Results GAAP EPS of $1.54, Non-GAAP EPS of $1.85 up 37% Year-Over-Year $99 Million of Operating Cash Flow Record 8,850 Acthar Vials Shipped in Quarter, up 26% over Prior Year Launched Commercial Effort in Lupus Expanding Pulmonol

July 25, 2014 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2014 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMBER: 0

July 25, 2014 EX-10.6

(Signature page follows)

Exhibit 10.6 AMENDMENT This AMENDMENT (the “Amendment”), dated as of May 19, 2014, is made and entered into by and between Questcor Pharmaceuticals, Inc., a California corporation (the “Company”), and David Medeiros (the “Executive”). RECITALS WHEREAS, the Company, Mallinckrodt plc, an Irish public limited company and Quincy Merger Sub, Inc. a Delaware corporation (the “Merger Sub”), have entered

July 25, 2014 EX-10.1

AMENDMENT TO QUESTCOR PHARMACEUTICALS, INC. AMENDED AND RESTATED 2006 EQUITY INCENTIVE AWARD PLAN

Exhibit 10.1 AMENDMENT TO QUESTCOR PHARMACEUTICALS, INC. AMENDED AND RESTATED 2006 EQUITY INCENTIVE AWARD PLAN This Amendment (“Amendment”) to the Questcor Pharmaceuticals, Inc. Amended and Restated 2006 Equity Incentive Award Plan (the “Plan”), is adopted by the Board of Directors (the “Board”) of Questcor Pharmaceuticals, Inc., a California corporation (the “Company”), effective as of April 5, 2

July 25, 2014 EX-10.4

(Signature page follows)

Exhibit 10.4 AMENDMENT This AMENDMENT (the “Amendment”), dated as of May 28, 2014, is made and entered into by and between Questcor Pharmaceuticals, Inc., a California corporation (the “Company”), and Don M. Bailey (the “Executive”). RECITALS WHEREAS, the Company, Mallinckrodt plc, an Irish public limited company and Quincy Merger Sub, Inc. a Delaware corporation (the “Merger Sub”), have entered i

July 25, 2014 EX-10.7

(Signature page follows)

Exhibit 10.7 AMENDMENT This AMENDMENT (the “Amendment”), dated as of May 23, 2014, is made and entered into by and between Questcor Pharmaceuticals, Inc., a California corporation (the “Company”), and David Young (the “Executive”). RECITALS WHEREAS, the Company, Mallinckrodt plc, an Irish public limited company and Quincy Merger Sub, Inc. a Delaware corporation (the “Merger Sub”), have entered int

July 25, 2014 EX-10.5

(Signature page follows)

Exhibit 10.5 AMENDMENT This AMENDMENT (the “Amendment”), dated as of May 16, 2014, is made and entered into by and between Questcor Pharmaceuticals, Inc., a California corporation (the “Company”), and Stephen Cartt (the “Executive”). RECITALS WHEREAS, the Company, Mallinckrodt plc, an Irish public limited company and Quincy Merger Sub, Inc. a Delaware corporation (the “Merger Sub”), have entered i

July 25, 2014 EX-10.3

(Signature page follows)

Exhibit 10.3 AMENDMENT This AMENDMENT (the “Amendment”), dated as of May 13, 2014, is made and entered into by and between Questcor Pharmaceuticals, Inc., a California corporation (the “Company”), and Rajesh Asarpota (the “Executive”). RECITALS WHEREAS, the Company, Mallinckrodt plc, an Irish public limited company and Quincy Merger Sub, Inc. a Delaware corporation (the “Merger Sub”), have entered

July 25, 2014 EX-10.2

(Signature page follows)

Exhibit 10.2 AMENDMENT This AMENDMENT (the “Amendment”), dated as of April 6, 2014, is made and entered into by and between Questcor Pharmaceuticals, Inc., a California corporation (the “Company”), and Michael Mulroy (the “Executive”). RECITALS WHEREAS, the Company, Mallinckrodt plc, an Irish public limited company and Quincy Merger Sub, Inc. a Delaware corporation (the “Merger Sub”), have entered

July 14, 2014 425

MNK / Mallinckrodt PLC 425 - Merger Prospectus - FORM 425

Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc.

July 14, 2014 DEFA14A

QCOR / DEFA14A - - DEFA14A

DEFA14A 1 d757780ddefa14a.htm DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as

July 14, 2014 DEFM14A

QCOR / DEFM14A - - DEFM14A

DEFM14A 1 d708020ddefm14a.htm DEFM14A Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Co

July 14, 2014 425

MNK / Mallinckrodt PLC 425 - Merger Prospectus - 425

Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc.

July 10, 2014 EX-99.1

Item 1. Business

EX-99.1 2 d755101dex991.htm EX-99.1 Exhibit 99.1 Item 1. Business Business Overview We are a biopharmaceutical company focused on the treatment of patients with serious, difficult-to-treat autoimmune and inflammatory disorders. We also supply specialty contract manufacturing services to the global pharmaceutical and biotechnology industry through our wholly-owned subsidiary, BioVectra Inc. We have

July 10, 2014 8-K

Current Report

8-K 1 d755101d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 10, 2014 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdict

July 10, 2014 425

QCOR / 425 - Merger Prospectus - FORM 8-K

425 1 d755101d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 10, 2014 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdict

July 10, 2014 EX-99.1

Item 1. Business

EX-99.1 2 d755101dex991.htm EX-99.1 Exhibit 99.1 Item 1. Business Business Overview We are a biopharmaceutical company focused on the treatment of patients with serious, difficult-to-treat autoimmune and inflammatory disorders. We also supply specialty contract manufacturing services to the global pharmaceutical and biotechnology industry through our wholly-owned subsidiary, BioVectra Inc. We have

July 3, 2014 CORRESP

QCOR / CORRESP - -

CORRESP Questcor Pharmaceuticals, Inc. 1300 North Kellogg Drive, Suite D Anaheim, California 92807 July 3, 2014 VIA EDGAR Scott Wuenschell Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Questcor Pharmaceuticals, Inc. Form 10-K for the Fiscal Year Ended December 31, 2014 Filed February 26, 2014 Response dated June 24, 2014 File No. 001

June 24, 2014 CORRESP

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CORRESP 1 filename1.htm Questcor Pharmaceuticals, Inc. 1300 North Kellogg Drive, Suite D Anaheim, California 92807 June 24, 2014 VIA EDGAR Scott Wuenschell Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Questcor Pharmaceuticals, Inc. Form 10-K for the Fiscal Year Ended December 31, 2013 Filed February 26, 2014 File No. 001-14758 Dear

June 16, 2014 CORRESP

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CORRESP 1 filename1.htm Questcor Pharmaceuticals, Inc. 1300 North Kellogg Drive, Suite D Anaheim, California 92807 June 16, 2014 VIA EDGAR Mr. Joel Parker, Accounting Branch Chief Mr. Jeffrey P. Riedler, Assistant Director Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Questcor Pharmaceuticals, Inc. Form 10-K for the Fiscal Year Ended

June 9, 2014 CORRESP

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CORRESP 1 filename1.htm Questcor Pharmaceuticals, Inc. 1300 North Kellogg Drive, Suite D Anaheim, California 92807 June 9, 2014 VIA EDGAR CONFIDENTIAL TREATMENT REQUESTED PURSUANT TO C.F.R. §200.83 Mr. Joel Parker Accounting Branch Chief Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Questcor Pharmaceuticals, Inc. Form 10-K for the Fi

June 4, 2014 CORRESP

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Questcor Pharmaceuticals, Inc. 1300 North Kellogg Drive, Suite D Anaheim, California 92807 June 4, 2014 VIA EDGAR Mr. Scott Wuenschell Staff Accountant Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Questcor Pharmaceuticals, Inc. Form 10-K for the Fiscal Year Ended December 31, 2013 Filed February 26, 2014 File No. 001-14758 Dear Mr.

May 20, 2014 CORRESP

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CORRESP 1 filename1.htm Questcor Pharmaceuticals, Inc. 1300 North Kellogg Drive, Suite D Anaheim, California 92807 May 20, 2014 VIA EDGAR Mr. Scott Wuenschell Staff Accountant Securities and Exchange Commission Division of Corporate Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Questcor Pharmaceuticals, Inc. Form 10-K for the Fiscal Year Ended December 31, 2013 Filed February 26, 2014 File

May 16, 2014 8-K

Current Report

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 13, 2014 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation)

May 12, 2014 425

Merger Prospectus - FORM 425

425 1 d723996d425.htm FORM 425 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Commission File No.: 001-14758 MALLINCKRODT PHARMACEUTICALS AND QUESTCOR PHARMACEUTICALS ANNOUNCE EARLY TERMINATION OF HSR ACT WAITING PERIOD DUBLIN, IRELAND and

May 9, 2014 425

Merger Prospectus - 425

425 1 d725337d425.htm 425 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Commission File No.: 001-14758 THOMSON REUTERS STREETEVENTS | www.streetevents.com | Contact Us 1 © 2014 Thomson Reuters. All rights reserved. Republication or redist

May 9, 2014 425

Merger Prospectus - 425

Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc.

May 6, 2014 EX-99.1

Questcor Reports First Quarter Financial Results - Net Sales $227 Million; Increase 68% Year-over-Year - - GAAP EPS of $1.20, Non-GAAP EPS of $1.40 up 84% - - $106M of Operating Cash Flow - - Rheumatology Largest Growth Contributor - - Mallinckrodt /

EX-99.1 2 d723174dex991.htm EX-99.1 Exhibit 99.1 Questcor Reports First Quarter Financial Results - Net Sales $227 Million; Increase 68% Year-over-Year - - GAAP EPS of $1.20, Non-GAAP EPS of $1.40 up 84% - - $106M of Operating Cash Flow - - Rheumatology Largest Growth Contributor - - Mallinckrodt / Questcor Joint Merger Proxy Expected to be Filed in Mid-May - ANAHEIM, Calif., April 28, 2014 — Ques

May 6, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 d723174d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 28, 2014 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdic

May 2, 2014 SC 13G

QCOR / / Adage Capital Partners GP LLC - QUESTCOR PHARMACEUTICALS, INC. Passive Investment

SC 13G 1 p14-1178sc13g.htm QUESTCOR PHARMACEUTICALS, INC. SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* QUESTCOR PHARMACEUTICALS, INC. (Name of Issuer) Common Stock, no par value (Title of Class of Securities) 74835Y101 (CUSIP Number) April 24, 2014 (Date of Event Which Requires Filing of This Statement) Check the

April 30, 2014 10-K/A

Annual Report - 10-K/A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K/A Amendment No. 1 to Form 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year ended December 31, 2013 Or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 001-14758 Questcor Ph

April 29, 2014 10-Q

Quarterly Report - 10-Q

10-Q 1 qcor-2014331x10q.htm 10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2014 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. FOR THE TRANSITION PERIOD

April 24, 2014 EX-4.1

AMENDMENT TO THE RIGHTS AGREEMENT

EX-4.1 2 d713679dex41.htm EX-4.1 Exhibit 4.1 AMENDMENT TO THE RIGHTS AGREEMENT This AMENDMENT TO THE RIGHTS AGREEMENT (this “Amendment”), executed as a Deed Poll, is made and entered into as of April 23, 2014, between Mallinckrodt plc, an Irish public limited company (the “Company”), and Computershare Trust Company, N.A., as rights agent (the “Rights Agent”). All capitalized terms used in this Ame

April 24, 2014 EX-10.1

SUPPORT AGREEMENT

EX-10.1 3 d713679dex101.htm EX-10.1 Exhibit 10.1 SUPPORT AGREEMENT This SUPPORT AGREEMENT (“Agreement”), executed as a Deed, is made and entered into as of April 23, 2014, by and among Mallinckrodt plc, an Irish public limited company (the “Company”) and Paulson & Co. Inc. on behalf of itself and of all funds and accounts managed by Paulson & Co. Inc. or any of its affiliates, each of which shall

April 24, 2014 425

Merger Prospectus - FORM 8-K

Form 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (date of earliest event reported): April 24, 2014 (April 23, 2014) Mallinckrodt public limited company (Exact name of registrant as specified in its charter) Ireland 001-35803 98-1088325 (State or other jurisd

April 8, 2014 425

Merger Prospectus - 425

425 Filed by Questcor Pharmaceuticals, Inc. Commission File No. 001-14758 Pursuant to Rule 425 Under the Securities Act of 1933 And Deemed Filed Pursuant to Rule 14a-12 Under the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Commission File No. 001-14758 THOMSON REUTERS STREETEVENTS EDITED TRANSCRIPT MNK - Mallinckrodt Plc Conference Call to discuss Acquisition of

April 7, 2014 425

Merger Prospectus - 425

425 1 d707513d425.htm 425 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Commission File No.: 001-14758 Transcript Mallinckrodt Employees Video Message Script April 7, 2014 Participant: Mark Trudeau, President and CEO of Mallinckrodt plc H

April 7, 2014 EX-2.1

AGREEMENT AND PLAN OF MERGER by and among MALLINCKRODT PLC, QUINCY MERGER SUB, INC. QUESTCOR PHARMACEUTICALS, INC. dated as of April 5, 2014 TABLE OF CONTENTS Page ARTICLE I THE MERGER 2 Section 1.1 The Merger 2 Section 1.2 Closing 2 Section 1.3 Effe

EX-2.1 2 d708240dex21.htm EX-2.1 Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among MALLINCKRODT PLC, QUINCY MERGER SUB, INC. and QUESTCOR PHARMACEUTICALS, INC. dated as of April 5, 2014 TABLE OF CONTENTS Page ARTICLE I THE MERGER 2 Section 1.1 The Merger 2 Section 1.2 Closing 2 Section 1.3 Effective Time 2 Section 1.4 Governing Documents 3 Section 1.5 Officers and Directors of the Surviving Co

April 7, 2014 425

Merger Prospectus - FORM 425

Form 425 Mallinckrodt-Questcor Transaction Creates Diversified, High-Growth Specialty Pharmaceutical Company April 7, 2014 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc.

April 7, 2014 425

Merger Prospectus - 425

425 1 d708095d425.htm 425 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Commission File No.: 001-14758 MALLINCKRODT/QUESTCOR PHARMACEUTICALS Managers’ Tool Kit FAQ – 4-7-14 TRANSACTION – STRATEGIC RATIONALE 1. What are the key highlights

April 7, 2014 EX-2.1

AGREEMENT AND PLAN OF MERGER by and among MALLINCKRODT PLC, QUINCY MERGER SUB, INC. QUESTCOR PHARMACEUTICALS, INC. dated as of April 5, 2014 TABLE OF CONTENTS Page ARTICLE I THE MERGER 2 Section 1.1 The Merger 2 Section 1.2 Closing 2 Section 1.3 Effe

EX-2.1 2 d708301dex21.htm EX-2.1 Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among MALLINCKRODT PLC, QUINCY MERGER SUB, INC. and QUESTCOR PHARMACEUTICALS, INC. dated as of April 5, 2014 TABLE OF CONTENTS Page ARTICLE I THE MERGER 2 Section 1.1 The Merger 2 Section 1.2 Closing 2 Section 1.3 Effective Time 2 Section 1.4 Governing Documents 3 Section 1.5 Officers and Directors of the Surviving Co

April 7, 2014 425

Merger Prospectus - 425

Filed by Questcor Pharmaceuticals, Inc. Commission File No. 001-14758 Pursuant to Rule 425 Under the Securities Act of 1933 And Deemed Filed Pursuant to Rule 14a-12 Under the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Commission File No. 001-14758 Transcript Questcor Employees Video Message Script April 7, 2014 Participants: Don Bailey, President and CEO of Que

April 7, 2014 EX-99.1

MALLINCKRODT PHARMACEUTICALS AND QUESTCOR PHARMACEUTICALS ENTER INTO DEFINITIVE MERGER AGREEMENT UNDER WHICH MALLINCKRODT WILL ACQUIRE QUESTCOR FOR APPROXIMATELY $5.6 BILLION, CREATING A DIVERSIFIED, HIGH-GROWTH SPECIALTY PHARMACEUTICALS COMPANY —Que

EX-99.1 3 d708301dex991.htm EX-99.1 Exhibit 99.1 MALLINCKRODT PHARMACEUTICALS AND QUESTCOR PHARMACEUTICALS ENTER INTO DEFINITIVE MERGER AGREEMENT UNDER WHICH MALLINCKRODT WILL ACQUIRE QUESTCOR FOR APPROXIMATELY $5.6 BILLION, CREATING A DIVERSIFIED, HIGH-GROWTH SPECIALTY PHARMACEUTICALS COMPANY —Questcor Shareholders Receive $30.00 in Cash and 0.897 Mallinckrodt Shares for Each Share of Questcor Co

April 7, 2014 425

Merger Prospectus - 8-K

425 1 d708301d8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (date of earliest event reported): April 7, 2014 (April 5, 2014) Mallinckrodt public limited company (Exact name of registrant as specified in its charter) Ireland 001-35803 98-1088325 (State o

April 7, 2014 425

Merger Prospectus - 425

Filed by Questcor Pharmaceuticals, Inc. Commission File No. 001-14758 Pursuant to Rule 425 Under the Securities Act of 1933 And Deemed Filed Pursuant to Rule 14a-12 Under the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Commission File No. 001-14758 April 7, 2014 Dear Questcor Employees: I am writing to share some important and exciting news about our company. To

April 7, 2014 425

Merger Prospectus - 8-K

425 1 d708240d8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 5, 2014 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction o

April 7, 2014 425

Merger Prospectus - 425

425 1 d707519d425.htm 425 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Commission File No.: 001-14758 Transcript Questcor Employees Video Message Script April 7, 2014 Participants: Don Bailey, President and CEO of Questcor Pharmaceutical

April 7, 2014 EX-99.1

MALLINCKRODT PHARMACEUTICALS AND QUESTCOR PHARMACEUTICALS ENTER INTO DEFINITIVE MERGER AGREEMENT UNDER WHICH MALLINCKRODT WILL ACQUIRE QUESTCOR FOR APPROXIMATELY $5.6 BILLION, CREATING A DIVERSIFIED, HIGH-GROWTH SPECIALTY PHARMACEUTICALS COMPANY —Que

EX-99.1 3 d708240dex991.htm EX-99.1 Exhibit 99.1 MALLINCKRODT PHARMACEUTICALS AND QUESTCOR PHARMACEUTICALS ENTER INTO DEFINITIVE MERGER AGREEMENT UNDER WHICH MALLINCKRODT WILL ACQUIRE QUESTCOR FOR APPROXIMATELY $5.6 BILLION, CREATING A DIVERSIFIED, HIGH-GROWTH SPECIALTY PHARMACEUTICALS COMPANY —Questcor Shareholders Receive $30.00 in Cash and 0.897 Mallinckrodt Shares for Each Share of Questcor Co

April 7, 2014 EX-99.1

MALLINCKRODT PHARMACEUTICALS AND QUESTCOR PHARMACEUTICALS ENTER INTO DEFINITIVE MERGER AGREEMENT UNDER WHICH MALLINCKRODT WILL ACQUIRE QUESTCOR FOR APPROXIMATELY $5.6 BILLION, CREATING A DIVERSIFIED, HIGH-GROWTH SPECIALTY PHARMACEUTICALS COMPANY —Que

EX-99.1 3 d708240dex991.htm EX-99.1 Exhibit 99.1 MALLINCKRODT PHARMACEUTICALS AND QUESTCOR PHARMACEUTICALS ENTER INTO DEFINITIVE MERGER AGREEMENT UNDER WHICH MALLINCKRODT WILL ACQUIRE QUESTCOR FOR APPROXIMATELY $5.6 BILLION, CREATING A DIVERSIFIED, HIGH-GROWTH SPECIALTY PHARMACEUTICALS COMPANY —Questcor Shareholders Receive $30.00 in Cash and 0.897 Mallinckrodt Shares for Each Share of Questcor Co

April 7, 2014 425

Merger Prospectus - 425

425 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc.

April 7, 2014 425

Merger Prospectus - 425

425 1 d708089d425.htm 425 Filed by Mallinckrodt plc Pursuant to Rule 425 under the Securities Act of 1933 and deemed filed pursuant to Rule 14a-12 of the Securities Exchange Act of 1934 Subject Company: Questcor Pharmaceuticals, Inc. Commission File No.: 001-14758 Letter of Mark Trudeau, Mallinckrodt’s President and Chief Executive Officer, to Mallinckrodt Employees This marks an incredibly exciti

April 7, 2014 8-K

- 8-K

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 5, 2014 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation) (Com

April 7, 2014 EX-2.1

AGREEMENT AND PLAN OF MERGER by and among MALLINCKRODT PLC, QUINCY MERGER SUB, INC. QUESTCOR PHARMACEUTICALS, INC. dated as of April 5, 2014 TABLE OF CONTENTS Page ARTICLE I THE MERGER 2 Section 1.1 The Merger 2 Section 1.2 Closing 2 Section 1.3 Effe

EX-2.1 2 d708240dex21.htm EX-2.1 Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among MALLINCKRODT PLC, QUINCY MERGER SUB, INC. and QUESTCOR PHARMACEUTICALS, INC. dated as of April 5, 2014 TABLE OF CONTENTS Page ARTICLE I THE MERGER 2 Section 1.1 The Merger 2 Section 1.2 Closing 2 Section 1.3 Effective Time 2 Section 1.4 Governing Documents 3 Section 1.5 Officers and Directors of the Surviving Co

March 3, 2014 EX-99.1

Questcor Reports Fourth Quarter and Full Year 2013 Financial Results - Fourth Quarter Net Sales $243 Million; Increase 51% Year-over-Year - - Fourth Quarter GAAP EPS of $1.44, Non-GAAP EPS of $1.67 up 53% - - Full Year 2013 Net Sales $799 Million; In

EX-99.1 Exhibit 99.1 Questcor Reports Fourth Quarter and Full Year 2013 Financial Results - Fourth Quarter Net Sales $243 Million; Increase 51% Year-over-Year - - Fourth Quarter GAAP EPS of $1.44, Non-GAAP EPS of $1.67 up 53% - - Full Year 2013 Net Sales $799 Million; Increase 57% Year-over-Year - - Full Year GAAP EPS of $4.76, Non-GAAP EPS of $5.48 up 65% - - Rheumatology Largest Growth Contribut

March 3, 2014 EX-99.2

1

EX-99.2 3 d687381dex992.htm EX-99.2 Exhibit 99.2 Operator: Good day, ladies and gentlemen. Welcome to the Questcor Pharmaceutical’s Fourth Quarter and Full Year 2013 Earnings Conference Call. At this time, all participants are in a listen-only mode. Later, we will conduct a question-and-answer session, and instructions will follow at that time. [Operator Instructions] As a reminder, this conferenc

March 3, 2014 8-K

Regulation FD Disclosure

8-K 1 d685647d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 3, 2014 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdict

March 3, 2014 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 d687381d8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 25, 2014 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdicti

March 3, 2014 EX-99.3

NASDAQ: QCOR

EX-99.3 4 d687381dex993.htm EX-99.3 Exhibit 99.3 NASDAQ: QCOR Fourth Quarter and Full Year 2013 Conference Call Conference Call Logistics Today’s webcast, accompanying slide presentation and archived replay is available online at http://ir.questcor.com/events.cfm Telephone replay is available by dialing: – U.S.: (855) 859-2056. – International: (404) 537-3406. – Passcode: 55826448 2 This presentat

February 26, 2014 EX-21.1

Questcor Pharmaceuticals, Inc. List of Subsidiaries

EXHIBIT 21.1 Questcor Pharmaceuticals, Inc. List of Subsidiaries 1. BioVectra, Inc., a corporation governed by the laws of Prince Edward Island, Canada. 2. Questcor International Limited, an Irish private limited company. 3. Questcor Operations Limited, an Irish private limited company.

February 26, 2014 10-K

Annual Report - 10-K

10-K 1 questcor-10k2013.htm 10-K Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year ended December 31, 2013 Or o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission file number 001-14758 Questcor

February 14, 2014 SC 13G/A

QCOR / / Flynn James E Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No.

February 12, 2014 EX-99.1

February 5, 2014

EX-99.1 3 d677744dex991.htm EX-99.1 Exhibit 99.1 February 5, 2014 Questcor Pharmaceuticals Expands Senior Management Team ANAHEIM, Calif., Feb. 5, 2014 /PRNewswire/ — Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) today announced the appointment of Rajesh (Raj) Asarpota as the Company’s new Chief Financial Officer, effective February 17, 2014. Michael H. Mulroy, the Company’s current CFO, will beco

February 12, 2014 SC 13G/A

QCOR / / VANGUARD GROUP INC Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 2 )* Name of issuer: Questcor Pharmaceuticals Inc Title of Class of Securities: Common Stock CUSIP Number: 74835Y101 Date of Event Which Requires Filing of this Statement: December 31, 2013 Check the appropriate box to designate the rule pursuant to which this Schedule i

February 12, 2014 EX-10.1

Questcor Pharmaceuticals, Inc. 26118 Research Road Hayward, CA 94545 Tel 510.400.0700 Fax 510.400.0765

EX-10.1 2 d677744dex101.htm EX-10.1 Exhibit 10.1 January 13, 2014 Rajesh (Raj) Asarpota 7056 Heron Circle Carlsbad, CA 92011 Re: Offer of Employment Dear Rajesh: Questcor is pleased to extend an offer of employment to you for the position of Senior Vice President, Chief Financial Officer and Principal Accounting Officer with a hire date of February 17, 2014. You will report to Don Bailey, Presiden

February 12, 2014 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

8-K 1 d677744d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 5, 2014 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisd

February 3, 2014 SC 13D/A

QCOR / / BRADSHER NEAL C Activist Investment

SC 13D/A 1 d144952413d-a.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D/A THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 4) Questcor Pharmaceuticals, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 74835Y101 (CUSIP Number) Neal C. Bradsher c/o Broadwood Capital, Inc. 724 Fifth Avenue, 9th Floor New York, New York 10019 (Name, Address an

January 23, 2014 8-K

Other Events

8-K 1 d664241d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 23, 2014 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisd

January 13, 2014 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 13, 2014 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation) (Comm

January 13, 2014 EX-99.1

J.P. Morgan

EX-99.1 2 d658915dex991.htm EX-99.1 NASDAQ: QCOR J.P. Morgan Healthcare Conference January 16, 2014 Exhibit 99.1 Safe Harbor Statement 2 Note: Except for the historical information contained herein, this press release contains forward-looking statements that have been made pursuant to the Private Securities Litigation Reform Act of 1995. These statements relate to future events or our future finan

January 13, 2014 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 13, 2014 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation) (Comm

December 11, 2013 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 d640390d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 11, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Juris

December 11, 2013 8-K

Regulation FD Disclosure

8-K 1 d639969d8k.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): December 10, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdicti

December 11, 2013 EX-99.1

NASDAQ: QCOR

EX-99.1 Exhibit 99.1 NASDAQ: QCOR OPPENHEIMER Healthcare Conference December 11, 2013 Exhibit 99.1 Safe Harbor Statement Note: Except for the historical information contained herein, this press release contains forward-looking statements that have been made pursuant to the Private Securities Litigation Reform Act of 1995. These statements relate to future events or our future financial performance

November 15, 2013 SC 13D/A

QCOR / / BROADWOOD PARTNERS, L.P. Activist Investment

SC 13D/A 1 d143048913d-a.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D/A THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 3) Questcor Pharmaceuticals, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 74835Y101 (CUSIP Number) Neal C. Bradsher c/o Broadwood Capital, Inc. 724 Fifth Avenue, 9th Floor New York, New York 10019 (Name, Address an

November 14, 2013 EX-99.1

Questcor Adds G. Kelly Martin to Board of Directors

EX-99.1 2 d627323dex991.htm EX-99.1 Exhibit 99.1 Questcor Adds G. Kelly Martin to Board of Directors ANAHEIM, CA – November 12, 2013 — Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) today announced the addition of G. Kelly Martin, President and Chief Executive Officer of Elan Corporation, plc, to Questcor’s Board of Directors, bringing the number of directors to eight, seven of whom are independent

November 14, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

8-K 1 d627323d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 9, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisd

November 4, 2013 EX-99.3

Third Quarter 2013

EX-99.3 1 1 Third Quarter 2013 Conference Call Third Quarter 2013 Conference Call NASDAQ: QCOR NASDAQ: QCOR Exhibit 99.3 2 • Today’s webcast, accompanying slide presentation and archived replay is available online at http://ir.questcor.com/events.cfm • Telephone replay is available by dialing: – U.S.: (855) 859-2056. – International: (404) 537-3406. – Passcode: 76004546 • Today’s webcast, accompan

November 4, 2013 EX-99.1

Questcor Reports Third Quarter Financial Results - Net Sales and EPS Increase Over 65% Compared to Prior Year - - Vial Shipments up 45% Over Prior Year - - Record MS Prescriptions; Rheumatology Largest Growth Contributor -

EX-99.1 Exhibit 99.1 Questcor Reports Third Quarter Financial Results - Net Sales and EPS Increase Over 65% Compared to Prior Year - - Vial Shipments up 45% Over Prior Year - - Record MS Prescriptions; Rheumatology Largest Growth Contributor - ANAHEIM, Calif., October 29, 2013 — Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) today reported financial results for the third quarter and nine months end

November 4, 2013 EX-99.2

1

EX-99.2 Exhibit 99.2 Operator: Good day, ladies and gentlemen. Welcome to the Questcor Pharmaceutical’s Q3 2013 Earnings Conference Call. At this time, all participants are in a listen-only mode. Later, we will conduct a question-and-answer session, and instructions will follow at that time. [Operator Instructions] As a reminder, this conference call is being recorded. I would now like to introduc

November 4, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 29, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation) (

October 30, 2013 10-Q

Quarterly Report - 10-Q

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (MARK ONE) x QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2013 OR o TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934. FOR THE TRANSITION PERIOD FROM TO COMMISSION FILE NUMB

October 7, 2013 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 3, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation) (Commi

October 7, 2013 EX-99.1

Questcor continues its evolution from a small, struggling specialty pharmaceutical company to an emerging leader in the development and commercialization of melanocortin peptides targeting the regulation of immune system and inflammatory processes. T

EX-99.1 Exhibit 99.1 Questcor continues its evolution from a small, struggling specialty pharmaceutical company to an emerging leader in the development and commercialization of melanocortin peptides targeting the regulation of immune system and inflammatory processes. The foundation for our exciting transformation is Acthar, our flagship product approved by the FDA for a number of serious, diffic

August 6, 2013 EX-99.1

August 2013

EX-99.1 2 d580909dex991.htm EX-99.1 1 August 2013 NASDAQ: QCOR NASDAQ: QCOR Exhibit 99.1 1 2 Safe Harbor Statement Note: Except for the historical information contained herein, this press release contains forward-looking statements that have been made pursuant to the Private Securities Litigation Reform Act of 1995. These statements relate to future events or our future financial performance. In s

August 6, 2013 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 d580909d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 6, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdic

August 6, 2013 EX-99.3

NASDAQ: QCOR

EX-99.3 Exhibit 99.3 NASDAQ: QCOR Second Quarter 2013 Conference Call Conference Call Logistics Today’s webcast, accompanying slide presentation and archived replay is available online at http://ir.questcor.com/events.cfm Telephone replay is available by dialing: U.S.: (855) 859-2056. International: (404) 537-3406. Passcode: 16591264 2 Safe Harbor Statement Note: Except for the historical informat

August 6, 2013 EX-99.2

1

EX-99.2 3 d580892dex992.htm EX-99.2 Operator Good day, ladies and gentlemen, and welcome to the Questcor Pharmaceuticals second quarter of 2013 earnings conference call. At this time, all participates are in a listen-only mode. Later, we’ll conduct a question-and-answer session, and instructions will follow at that time. (Operator Instructions). As a reminder, this conference is being recorded. I

August 6, 2013 EX-99.1

Questcor Reports Second Quarter Financial Results - Net Sales and EPS Increase Significantly Over Prior Year - - Vial Shipments up 50% Over Prior Year - - Total Shipped Rxs up 35% YOY; Rheumatology Rxs Largest Growth Contributor -

EX-99.1 Exhibit 99.1 Questcor Reports Second Quarter Financial Results - Net Sales and EPS Increase Significantly Over Prior Year - - Vial Shipments up 50% Over Prior Year - - Total Shipped Rxs up 35% YOY; Rheumatology Rxs Largest Growth Contributor - ANAHEIM, Calif., July 30, 2013 — Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) today reported financial results for the second quarter and six month

August 6, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 30, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation)

August 5, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

8-K 1 d580361d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 31, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdict

July 12, 2013 EX-99.1

Questcor to Initiate Pilot Commercialization Effort In Pulmonology for Symptomatic Sarcoidosis

EX-99.1 2 d567566dex991.htm EX-99.1 Exhibit 99.1 Questcor to Initiate Pilot Commercialization Effort In Pulmonology for Symptomatic Sarcoidosis ANAHEIM, CA – July 11, 2013 — Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) today announced its intent to initiate a pilot commercialization effort for H.P. Acthar® Gel (repository corticotropin injection) for the treatment of respiratory manifestations of

July 12, 2013 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 d567566d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 11, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdict

June 11, 2013 EX-99.1

Questcor Pharmaceuticals Acquires Rights to Synacthen® – Expands Questcor’s Presence in Inflammatory and Autoimmune Disorders – – Provides Foundation for Next Generation Melanocortin Receptor Agonist Therapeutics – – Initiates Global Footprint, Diver

EX-99.1 2 d552318dex991.htm EX-99.1 EXHIBIT 99.1 Questcor Pharmaceuticals Acquires Rights to Synacthen® – Expands Questcor’s Presence in Inflammatory and Autoimmune Disorders – – Provides Foundation for Next Generation Melanocortin Receptor Agonist Therapeutics – – Initiates Global Footprint, Diversifies Business, Enhances Long-term Growth Prospects – ANAHEIM, CA, June 11, 2013 — Questcor Pharmace

June 11, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

8-K 1 d551969d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 8, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdicti

June 11, 2013 EX-99.1

Questcor Adds Angus C. Russell to Board of Directors

EX-99.1 EXHIBIT 99.1 Questcor Adds Angus C. Russell to Board of Directors ANAHEIM, CA – June 10, 2013 — Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) today announced the addition of Angus C. Russell, recently-retired Chief Executive Officer of Shire plc, to Questcor’s Board of Directors. Shire is a global specialty biopharmaceutical company whose 2012 revenues exceeded $4.6 billion. During Mr. Rus

June 11, 2013 8-K

Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

8-K 1 d552318d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 11, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdict

May 31, 2013 CORRESP

-

Questcor Pharmaceuticals, Inc. 1300 North Kellogg Drive, Suite D Anaheim, California 92807 May 31, 2013 VIA EDGAR CORRESPONDENCE Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Jim B. Rosenberg, Senior Assistant Chief Accountant Re: Questcor Pharmaceuticals, Inc. Form 10-K for the Fiscal Year Ended December 31, 2012 Filed Febr

May 30, 2013 8-K

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Submission of Matters to a Vote of Security Holders

8-K 1 d546949d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 23, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdicti

May 14, 2013 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 d537935d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 14, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdicti

May 14, 2013 EX-99.1

May 2013

EX-99.1 2 d537935dex991.htm EX-99.1 1 1 May 2013 NASDAQ: QCOR NASDAQ: QCOR Bank of America Merrill Lynch Healthcare Conference Don Bailey Chief Executive Officer Exhibit 99.1 2 Safe Harbor Statement Note: Except for the historical information contained herein, this press release contains forward-looking statements that have been made pursuant to the Private Securities Litigation Reform Act of 1995

May 6, 2013 EX-99.2

1

EX-99.2 3 d532666dex992.htm EX-99.2 Exhibit 99.2 MANAGEMENT DISCUSSION SECTION Operator: Good day, ladies and gentlemen, and welcome to the Questcor Pharmaceuticals, Incorporated First Quarter 2013 Earnings Conference. [Operator Instructions] Later, we will conduct a question-and-answer session, and instructions will be given at that time. [Operator Instructions] As a reminder, this call may be re

May 6, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 d532666d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdic

May 6, 2013 EX-99.1

Questcor Reports First Quarter Financial Results - Net Sales Increase 41% Year Over Year; Down Sequentially - - April Vial Shipments Rebound Significantly Establishing a New Monthly Record - - Prescription Levels in Rheumatology Increasing - - Phase

EX-99.1 2 d532666dex991.htm EX-99.1 Exhibit 99.1 April 30, 2013 Questcor Reports First Quarter Financial Results - Net Sales Increase 41% Year Over Year; Down Sequentially - - April Vial Shipments Rebound Significantly Establishing a New Monthly Record - - Prescription Levels in Rheumatology Increasing - - Phase 2 Clinical Trial of Acthar in ALS to Start under FDA Accepted IND - ANAHEIM, Calif., A

May 6, 2013 EX-99.3

NASDAQ: QCOR

EX-99.3 4 d532666dex993.htm EX-99.3 Exhibit 99.3 NASDAQ: QCOR First Quarter 2013 Conference Call Conference Call Logistics Safe Harbor Statement Note: Except for the historical information contained herein, this press release contains forward-looking statements that have been made pursuant to the Private Securities Litigation Reform Act of 1995. These statements relate to future events or our futu

April 15, 2013 DEF 14A

- DEFINITIVE PROXY STATEMENT

DEF 14A 1 def14a.htm DEFINITIVE PROXY STATEMENT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¬ Preliminary Proxy Statement ¬ Confidential, for Use of the Commission

April 12, 2013 DEFR14A

- DEFR14A

DEFR14A 1 def14a.htm DEFR14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¬ Preliminary Proxy Statement ¬ Confidential, for Use of the Commission Only (as permitted

April 12, 2013 DEF 14A

- DEFINITIVE ADDITIONAL MATERIALS

DEF 14A 1 schedule14anoticeofavailab.htm DEFINITIVE ADDITIONAL MATERIALS SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e

April 3, 2013 EX-99.1

2012 2011 2010 Assets (notes 9 and 10) Current assets Cash and cash equivalents $ 4,366,320 $ 5,380,173 $ 6,512,789 Accounts receivable (note 3) 6,520,701 5,757,503 5,390,507 Investment tax credits receivable 716,771 — — Inventory (note 4) 9,042,087

EX-99.1 4 exhibit991.htm EXHIBIT Exhibit 99.1 November 2, 2012, except as to Note 17 which is as of February 25, 2013 Independent Auditor’s Report To the Shareholders of BioVectra Inc. We have audited the accompanying consolidated financial statements of BioVectra Inc., which comprise the balance sheets as at August 31, 2012, August 31, 2011 and September 1, 2010, and the consolidated statements o

April 3, 2013 EX-99.2

2012 2011 Assets (notes 8 and 9) Current assets Cash and cash equivalents $ 4,539,160 $ 5,203,241 Accounts receivable (note 2) 5,974,873 3,703,749 Income taxes receivable 716,771 4,007 Inventory (note 3) 10,924,856 7,339,652 Prepaid expenses 334,987

EX-99.2 5 exhibit992.htm EXHIBIT Exhibit 99.2 BioVectra Inc. Consolidated Interim Balance Sheet (Unaudited) As at November 30, 2012 and November 30, 2011 2012 2011 Assets (notes 8 and 9) Current assets Cash and cash equivalents $ 4,539,160 $ 5,203,241 Accounts receivable (note 2) 5,974,873 3,703,749 Income taxes receivable 716,771 4,007 Inventory (note 3) 10,924,856 7,339,652 Prepaid expenses 334,

April 3, 2013 EX-1

EXHIBIT INDEX

EXHIBIT INDEX Exhibit Number Description 23.1 Consent of ArsenaultBestCameronEllis, Independent Public Accounting Firm 99.1 BioVectra's audited consolidated financial statements for the fiscal year ended August 31, 2012 and 2011 99.2 BioVectra's unaudited condensed consolidated interim financial statements for the three month periods ended November 30, 2012 and 2011 99.3 Unaudited pro forma combin

April 3, 2013 EX-99.3

UNAUDITED PRO FORMA COMBINED FINANCIAL INFORMATION

EX-99.3 6 exhibit993proformafinancia.htm EXHIBIT Exhibit 99.3 UNAUDITED PRO FORMA COMBINED FINANCIAL INFORMATION The accompanying unaudited pro forma combined financial statements present the pro forma consolidated financial position and results of operations of the combined company based upon the historical financial statements of Questcor Pharmaceuticals, Inc. ("Questcor") and BioVectra Inc. ("B

April 3, 2013 8-K/A

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

8-K/A 1 a8-kaproforma.htm 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 18, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Juri

April 3, 2013 EX-22.3

Consent of Independent Public Accounting Firm

Exhibit 23.1 Consent of Independent Public Accounting Firm We consent to the inclusion in this Current Report on Form 8-K/A of our report dated November 2, 2012, except as to Note 17 which is as of February 25, 2013, of our audits of the consolidated financial statements of BioVectra Inc. as of August 31, 2012, August 31, 2011 and September 1, 2010 and for the years ended August 31, 2012 and Augus

March 4, 2013 EX-99.2

QUESTCOR PHARMACEUTICALS

EX-99.2 3 d495264dex992.htm EX-99.2 Exhibit 99.2 QUESTCOR PHARMACEUTICALS FOURTH QUARTER 2012 FINANCIAL RESULTS February 26, 2013, 4:30 PM ET • MANAGEMENT DISCUSSION SECTION Operator: Good day, ladies and gentlemen, and welcome to the Questcor Pharmaceutical’s Fourth Quarter 2012 Earnings Conference. At this time, all participants are in a listen-only mode. Later, we will conduct a question-and-an

March 4, 2013 EX-99.3

NASDAQ: QCOR Fourth Quarter and Full Year 2012 Conference Call

EX-99.3 4 d495264dex993.htm EX-99.3 Exhibit 99.3 NASDAQ: QCOR Fourth Quarter and Full Year 2012 Conference Call Conference Call Logistics Today’s webcast, accompanying slide presentation and archived replay is available online at http://ir.questcor.com/events.cfm Telephone replay is available by dialing: – U.S.: (855) 859-2056. – International: (404) 537-3406. – Passcode: 95427085 By webcast: At Q

March 4, 2013 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 26, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation) (Com

March 4, 2013 EX-99.1

Questcor Reports Fourth Quarter and Full Year 2012 Results - Net Sales, EPS and Cash Flow from Operations Increase Significantly Over Prior Year Period – - Continues to Expand R&D Efforts - - Increases Quarterly Dividend 25% to $0.25 per share -

EX-99.1 2 d495264dex991.htm EX-99.1 Exhibit 99.1 Questcor Reports Fourth Quarter and Full Year 2012 Results - Net Sales, EPS and Cash Flow from Operations Increase Significantly Over Prior Year Period – - Continues to Expand R&D Efforts - - Increases Quarterly Dividend 25% to $0.25 per share - ANAHEIM, Calif., February 26, 2012 — Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) today reported financi

February 14, 2013 SC 13G/A

QCOR / / Flynn James E Passive Investment

SC 13G/A 1 e610555sc13g-questcor.htm SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No. 1) * Questcor Pharmaceuticals, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 74835Y101 (CUSIP Number) D

February 11, 2013 SC 13G/A

QCOR / / VANGUARD GROUP INC Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 1 )* Name of issuer: Questcor Pharmaceuticals Inc Title of Class of Securities: Common Stock CUSIP Number: 74835Y101 Date of Event Which Requires Filing of this Statement: December 31, 2012 Check the appropriate box to designate the rule pursuant to which this Schedule i

January 18, 2013 8-K

Financial Statements and Exhibits, Completion of Acquisition or Disposition of Assets

8-K 1 d467354d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 18, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisd

January 9, 2013 EX-99.1

January 2013

EX-99.1 2 d464037dex991.htm QUESTCOR PHARMACEUTICALS, INC. INVESTOR PRESENTATION January 2013 January 2013 NASDAQ: QCOR NASDAQ: QCOR JP Morgan 2013 Healthcare Conference Steve Cartt Chief Operating Officer Exhibit 99.1 1 Safe Harbor Statement Note: Except for the historical information contained herein, this press release contains forward-looking statements that have been made pursuant to the Priv

January 9, 2013 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 d464037d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 9, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdi

January 4, 2013 EX-99.1

Questcor Pharmaceuticals to Acquire BioVectra Inc. — Transaction provides vertical integration, third party manufacturing capabilities and further secures Acthar manufacturing trade secrets — — Acquisition expected to be accretive to future financial

Joint Press Release Exhibit 99.1 Questcor Pharmaceuticals to Acquire BioVectra Inc. — Transaction provides vertical integration, third party manufacturing capabilities and further secures Acthar manufacturing trade secrets — — Acquisition expected to be accretive to future financial results — ANAHEIM, Calif., January 2, 2013 — Questcor Pharmaceuticals, Inc. (NASDAQ:QCOR) today announced that it ha

January 4, 2013 8-K

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Other Events

8-K 1 d458579d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 2, 2013 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdi

October 25, 2012 EX-99.3

Third Quarter 2012

EX-99.3 4 d429669dex993.htm PRESENTATION SLIDES 1 1 Third Quarter 2012 Conference Call Third Quarter 2012 Conference Call NASDAQ: QCOR Exhibit 99.3 2 • Today’s webcast, accompanying slide presentation and archived replay is available online at • Telephone replay is available by dialing: – U.S.: (855) 859-2056. – International: (404) 537-3406. – Passcode: 39696380 • By webcast: At Questcor's invest

October 25, 2012 EX-99.2

QUESTCOR PHARMACEUTICALS

EX-99.2 3 d429669dex992.htm TRANSCRIPT OF CONFERENCE CALL Exhibit 99.2 QUESTCOR PHARMACEUTICALS THIRD QUARTER 2012 FINANCIAL RESULTS October 23, 2012, 4:30 PM ET MANAGEMENT DISCUSSION SECTION Operator: Good day, ladies and gentlemen, and welcome to your Questcor Pharmaceutical’s Q3 2012 Earnings Conference. [Operator Instructions] But later, we will conduct a question-and-answer session, which ins

October 25, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 d429669d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 23, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisd

October 25, 2012 EX-99.1

Questcor Reports Third Quarter Financial Results

EX-99.1 2 d429669dex991.htm PRESS RELEASE Exhibit 99.1 Questcor Reports Third Quarter Financial Results ANAHEIM, Calif., October 23, 2012 — Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) today reported financial results for the third quarter and nine months ended September 30, 2012. Three Months Ended 9/30/12 Three Months Ended 9/30/11 Percentage Change Net Sales $ 140.3 Million $ 59.8 Million 135

October 15, 2012 SC 13G

QCOR / / Flynn James E Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No.

October 9, 2012 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

8-K 1 d421734d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 9, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdi

September 28, 2012 EX-99.1

Questcor Pharmaceuticals Initiates Quarterly Cash Dividend and Expands Stock Repurchase Program

EX-99.1 2 d418510dex991.htm PRESS RELEASE Exhibit 99.1 Questcor Pharmaceuticals Initiates Quarterly Cash Dividend and Expands Stock Repurchase Program ANAHEIM, Calif., September 28, 2012 - Questcor Pharmaceuticals, Inc. (NASDAQ:QCOR) today announced that its Board of Directors has adopted a policy to pay a regular quarterly dividend in such amounts as the Board of Directors may determine from time

September 28, 2012 8-K

Current Report

8-K 1 d418510d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 28, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Juri

September 24, 2012 8-K

Regulation FD Disclosure, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 21, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation) (Co

September 19, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 d413961d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 19, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Juri

September 19, 2012 EX-99.1

Questcor Comments on Insurance Policy Bulletin

Questcor Pharmaceuticals, Inc. Press Release dated September 19, 2012. Exhibit 99.1 Questcor Comments on Insurance Policy Bulletin ANAHEIM, Calif., September 19, 2012 — Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) today commented on information regarding an insurance policy bulletin issued with respect to the Company’s primary product H.P. Acthar® Gel (repository corticotropin injection) (“Acthar

September 10, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 10, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation) (Co

September 10, 2012 EX-99.1

September 2012

EX-99.1 2 d408918dex991.htm INVESTOR PRESENTATION 1 September 2012 September 2012 1 Exhibit 99.1 NASDAQ: QCOR 2 Safe Harbor Statement Note: Except for the historical information contained herein, this press release contains forward-looking statements that have been made pursuant to the Private Securities Litigation Reform Act of 1995. These statements relate to future events or our future financia

September 7, 2012 8-K

Regulation FD Disclosure

8-K 1 d405794d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 7, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Juris

September 5, 2012 144

- CONSONANCE CAPITAL MANAGEMENT LP

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933 ATTENTION: Transmit for filing 3 copies of this form concurrently with either placing an order with a broker to execute sale or executing a sale directly with a market maker. 1(a) NAME OF ISSUER (b) IRS IDENT. NO. (c) S.E.C. FI

September 4, 2012 8-K

Regulation FD Disclosure

8-K 1 d405580d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 4, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Juris

August 17, 2012 CORRESP

-

CORRESP 1 filename1.htm Questcor Pharmaceuticals, Inc. 1300 North Kellogg Drive, Suite D Anaheim, California 92807 August 17, 2012 VIA EDGAR CORRESPONDENCE Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Jim B. Rosenberg, Senior Assistant Chief Accountant Re: Questcor Pharmaceuticals, Inc. Form 10-K for the Fiscal Year Ended D

August 14, 2012 8-K

Current Report

8-K 1 d395325d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 13, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdi

August 14, 2012 EX-99.1

JOHN F. CANNON

EX-99.1 2 d395325dex991.htm CEASE AND DESIST LETTER Exhibit 99.1 JOHN F. CANNON (949) 725-4107 [email protected] STRADLING YOCCA CARLSON & RAUTH, P.C. 660 NEWPORT CENTER DRIVE, SUITE 1600 NEWPORT BEACH, CA 92660-6422 SYCR.COM NEWPORT BEACH 949.725.4000 SACRAMENTO 916.449.2350 SAN DIEGO 858.926.3000 SAN FRANCISCO 415.283.2240 SANTA BARBARA 805.730.6800 SANTA MONICA 424.214.7000 August 13, 2012 VIA C

August 9, 2012 8-K

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 9, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation) (Commis

July 31, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 d387415d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 31, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdict

July 31, 2012 EX-99.1

July 31, 2012

EX-99.1 2 d387415dex991.htm PRESENTATION MADE BY QUESTCOR PHARMACEUTICALS, INC. 1 1 July 31, 2012 NASDAQ: QCOR NASDAQ: QCOR Exhibit 99.1 2 Safe Harbor Statement Note: Except for the historical information contained herein, this press release contains forward-looking statements that have been made pursuant to the Private Securities Litigation Reform Act of 1995. These statements relate to future ev

July 30, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 d385342d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 24, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdict

July 30, 2012 EX-99.1

Questcor Reports Second Quarter Financial Results -Net Sales and EPS More Than Double from Year Ago Quarter- -Sales Force Expansions Nearly Complete—Rheumatology Pilot Underway- -Conference Call and Webcast Today at 4:30 p.m. ET, 1:30 p.m. PT-

EX-99.1 2 d385342dex991.htm QUESTCOR PHARMACEUTICALS, INC. PRESS RELEASE Exhibit 99.1 Questcor Reports Second Quarter Financial Results -Net Sales and EPS More Than Double from Year Ago Quarter- -Sales Force Expansions Nearly Complete—Rheumatology Pilot Underway- -Conference Call and Webcast Today at 4:30 p.m. ET, 1:30 p.m. PT- ANAHEIM, Calif., July 24, 2012 — Questcor Pharmaceuticals, Inc. (NASDA

July 30, 2012 EX-99.2

QUESTCOR PHARMACEUTICALS

EX-99.2 3 d385342dex992.htm TRANSCRIPT OF CONFERENCE CALL Exhibit 99.2 QUESTCOR PHARMACEUTICALS SECOND QUARTER 2012 FINANCIAL RESULTS July 24, 2012, 4:30 PM ET MANAGEMENT DISCUSSION Operator: Ladies and gentlemen, thank you for standing by and welcome to the Questcor Pharmaceuticals Second Quarter 2012 Financial Results Conference Call. During today’s presentation, all participants will be in a li

July 30, 2012 EX-99.3

Second Quarter 2012

EX-99.3 4 d385342dex993.htm PRESENTATION SLIDES USED DURING CONFERENCE CALL 1 Second Quarter 2012 Conference Call Second Quarter 2012 Conference Call NASDAQ: QCOR NASDAQ: QCOR 1 Exhibit 99.3 • Today’s webcast, accompanying slide presentation and archived replay are available online at • Telephone replay is available by dialing: – U.S.: 877-941-9205 – International: 480-629-9819 • Replay Passcode:

July 16, 2012 CORRESP

-

Questcor Pharmaceuticals, Inc. 1300 North Kellogg Drive, Suite D Anaheim, California 92807 July 16, 2012 VIA EDGAR CORRESPONDENCE Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Jim B. Rosenberg, Senior Assistant Chief Accountant Re: Questcor Pharmaceuticals, Inc. Form 10-K for the Fiscal Year Ended December 31, 2011 Filed Feb

July 13, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 13, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation) (Commiss

July 13, 2012 EX-99.1

July 13, 2012

Questcor Pharmaceuticals, Inc. Investor Presentation NASDAQ: QCOR July 13, 2012 JMP Securities Healthcare Conference NASDAQ: NASDAQ: QCOR QCOR July 13, 2012 July 13, 2012 JMP Securities Healthcare Conference JMP Securities Healthcare Conference Exhibit 99.1 1 2 Safe Harbor Statement Note: Except for the historical information contained herein, this press release contains forward-looking statements

July 9, 2012 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

8-K 1 d378710d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): July 9, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdicti

June 19, 2012 EX-99.1

Questcor Announces Initial Commercialization Plans for Acthar Rheumatology Indications - Peer-Reviewed Paper Published Earlier This Week on the Clinical Use of Acthar in the Treatment of Polymyositis and Dermatomyositis- -Conference Call and Webcast

Press Release Exhibit 99.1 Questcor Announces Initial Commercialization Plans for Acthar Rheumatology Indications - Peer-Reviewed Paper Published Earlier This Week on the Clinical Use of Acthar in the Treatment of Polymyositis and Dermatomyositis- -Conference Call and Webcast Today at 4:30 p.m. ET, 1:30 p.m. PT- ANAHEIM, Calif., June 14, 2012 — Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) today a

June 19, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 d367854d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 14, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdict

June 19, 2012 EX-99.2

June 14, 2012

EX-99.2 3 d367854dex992.htm PRESENTATION SLIDES 1 1 1 NASDAQ: QCOR NASDAQ: QCOR June 14, 2012 Investor Update – Rheumatology June 14, 2012 Investor Update – Rheumatology Exhibit 99.2 2 Safe Harbor Statement Note: Except for the historical information contained herein, this press release contains forward-looking statements that have been made pursuant to the Private Securities Litigation Reform Act

June 19, 2012 EX-99.3

Questcor Pharmaceuticals, Inc. (Nasdaq: QCOR Rheumatology Commercialization Update Call)

EX-99.3 4 d367854dex993.htm TRANSCRIPT OF CONFERENCE CALL Exhibit 99.3 Questcor Pharmaceuticals, Inc. (Nasdaq: QCOR Rheumatology Commercialization Update Call) June 14, 2012 MANAGEMENT DISCUSSION Operator: Good day, ladies and gentlemen, thank you for standing by. Welcome to Questcor Rheumatology Commercial Plan Conference Call. During today’s presentation, all parties will be in a listen-only mod

June 6, 2012 EX-99.1

June 6, 2012

EX-99.1 2 d360089dex991.htm QUESTCOR PHARMACEUTICALS, INC. INVESTOR PRESENTATION June 6, 2012 Jeffries NASDAQ: QCOR NASDAQ: QCOR Exhibit 99.1 1 2 Safe Harbor Statement 2 Note: Except for the historical information contained herein, this press release contains forward-looking statements that have been made pursuant to the Private Securities Litigation Reform Act of 1995. These statements relate to

June 6, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 d360089d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): June 6, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdicti

May 22, 2012 SC 13D/A

QCOR / / BROADWOOD PARTNERS, L.P. Activist Investment

SC 13D/A 1 d129324413d-a.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D/A THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 2*) Questcor Pharmaceuticals, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 74835Y101 (CUSIP Number) Neal C. Bradsher c/o Broadwood Capital, Inc. 724 Fifth Avenue, 9th Floor New York, New York 10019 (Name, Address a

May 21, 2012 SC 13D/A

QCOR / / BROADWOOD PARTNERS, L.P. Activist Investment

SC 13D/A 1 d129307713d-a.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13D/A THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. 1) Questcor Pharmaceuticals, Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 74835Y101 (CUSIP Number) Neal C. Bradsher c/o Broadwood Capital, Inc. 724 Fifth Avenue, 9th Floor New York, New York 10019 (Name, Address an

May 16, 2012 EX-99.1

Questcor Pharmaceuticals Expands Repurchase Program

Press Release Exhibit 99.1 Questcor Pharmaceuticals Expands Repurchase Program ANAHEIM, Calif., May 16, 2012 /PRNewswire/ — Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) announced today that its Board of Directors has increased the Company’s common share repurchase program authorization by an additional 5 million shares. Since the beginning of 2008, the Company has returned $236 million to shareho

May 16, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 16, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation) (Commissi

May 16, 2012 EX-99.2

May 16, 2012

EX-99.2 3 d353534dex992.htm PRESENTATION 1 May 16, 2012 Bank of America May 16, 2012 Bank of America NASDAQ: QCOR Exhibit 99.2 1 2 Safe Harbor Statement Note: Except for the historical information contained herein, this press release contains forward-looking statements that have been made pursuant to the Private Securities Litigation Reform Act of 1995. These statements relate to future events or

May 16, 2012 8-K

Submission of Matters to a Vote of Security Holders

8-K 1 d354409d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 10, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdicti

May 8, 2012 8-K

Regulation FD Disclosure

8-K 1 d348541d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdictio

April 26, 2012 EX-99.1

Questcor Reports First Quarter 2012 Financial Results -Net Sales Grew to $96.0M vs. $36.8M in Q1 2011- -GAAP Net Income per Diluted Share Grew to $0.58 vs. $0.17 in Year Ago Period- -Value of First Quarter paid NS Prescriptions Exceeds MS Value- -Exp

EX-99.1 2 d340254dex991.htm PRESS RELEASE Exhibit 99.1 Questcor Reports First Quarter 2012 Financial Results -Net Sales Grew to $96.0M vs. $36.8M in Q1 2011- -GAAP Net Income per Diluted Share Grew to $0.58 vs. $0.17 in Year Ago Period- -Value of First Quarter paid NS Prescriptions Exceeds MS Value- -Expansion of Both NS and MS Sales Forces Well Ahead of Schedule- -Conference Call and Webcast Toda

April 26, 2012 EX-99.2

Questcor Pharmaceuticals (Nasdaq: QCOR Q1 2012 Earnings Call)

Transcript of Conference Exhibit 99.2 Questcor Pharmaceuticals (Nasdaq: QCOR Q1 2012 Earnings Call) April 24, 2012 MANAGEMENT DISCUSSION Operator: Good day, ladies and gentlemen and welcome to the Questcor Pharmaceuticals, Inc. Q1 2012 earnings call. As a reminder, today’s conference is being recorded for replay purposes. I would now like to turn the conference over to your host for today, Mr. Dou

April 26, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 d340254d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 April 24, 2012 Date of Report (Date of earliest event reported): April 24, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or

April 26, 2012 EX-99.3

First Quarter 2012

EX-99.3 4 d340254dex993.htm PRESENTATION SLIDES USED DURING CONFERENCE CALL First Quarter 2012 Conference Call First Quarter 2012 Conference Call NASDAQ: QCOR NASDAQ: QCOR Exhibit 99.3 1 2 • Today’s webcast, accompanying slide presentation and archived replay is available online at http://ir.questcor.com/events.cfm • Telephone replay is available by dialing: – U.S.: 855-859-2056 – International: 4

April 9, 2012 8-K

Regulation FD Disclosure, Results of Operations and Financial Condition

8-K 1 d330880d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 9, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdict

March 30, 2012 DEF 14A

- NOTICE & PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) x Defin

March 30, 2012 DEFA14A

- QUESTCOR PHARMACEUTICALS, INC. DEFA14A

DEFA14A 1 d321514ddefa14a.htm QUESTCOR PHARMACEUTICALS, INC. DEFA14A SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)

March 30, 2012 DEFA14A

- DEFINITIVE ADDITIONAL MATERIALS

DEFA14A 1 d321526ddefa14a.htm DEFINITIVE ADDITIONAL MATERIALS SCHEDULE 14A INFORMATION PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant x Filed by a Party other than the Registrant ¨ Check the appropriate box: ¨ Preliminary Proxy Statement ¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ¨ Def

March 12, 2012 EX-99.1

Safe Harbor Statement

Presentation made by Questcor Pharmaceuticals, Inc. 1 1 Exhibit 99.1 2 Safe Harbor Statement 2 Note: Except for the historical information contained herein, this press release contains forward-looking statements that have been made pursuant to the Private Securities Litigation Reform Act of 1995. These statements relate to future events or our future financial performance. In some cases, you can i

March 12, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 12, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of Incorporation) (Commis

March 9, 2012 8-K

Regulation FD Disclosure

8-K 1 d313007d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): March 9, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdict

February 27, 2012 EX-99.3

Fourth Quarter 2011

Presentation Slides 1 1 Fourth Quarter 2011 Conference Call Fourth Quarter 2011 Conference Call NASDAQ: QCOR NASDAQ: QCOR Exhibit 99.

February 27, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 February 22, 2012 Date of Report (Date of earliest event reported): February 22, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdiction of I

February 27, 2012 EX-99.1

February 27, 2012

EX-99.1 2 d306778dex991.htm PRESENTATION MADE BY QUESTCOR PHARMACEUTICALS, INC. 1 1 NASDAQ: QCOR NASDAQ: QCOR Exhibit 99.1 February 27, 2012 Citigroup 2 Safe Harbor Statement Note: Except for the historical information contained herein, this press release contains forward-looking statements that have been made pursuant to the Private Securities Litigation Reform Act of 1995. These statements relat

February 27, 2012 EX-99.1

Questcor Reports Fourth Quarter and Full Year 2011 Financial Results -Q4 2011 Net Sales of $75.5M vs. $29.3M in Q4 2010- -Q4 2011 Net Income per Diluted Share of $0.48 vs. $0.10 in Q4 2010- -2011 Net Sales of $218.2 Million vs. $115.1M in 2010- -2011

Press Release Exhibit 99.1 Questcor Reports Fourth Quarter and Full Year 2011 Financial Results -Q4 2011 Net Sales of $75.5M vs. $29.3M in Q4 2010- -Q4 2011 Net Income per Diluted Share of $0.48 vs. $0.10 in Q4 2010- -2011 Net Sales of $218.2 Million vs. $115.1M in 2010- -2011 Net Income per Diluted Share of $1.21 vs. $0.54 in 2010- -Conference Call and Webcast to Be Held Today at 4:30 p.m. ET, 1:

February 27, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 d306778d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 27, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Juris

February 27, 2012 EX-99.2

Questcor Pharmaceuticals, Inc. (Nasdaq: QCOR) Q4 and 2011 Earnings Call February 22, 2012

Transcript of Conference Call Exhibit 99.2 Questcor Pharmaceuticals, Inc. (Nasdaq: QCOR) Q4 and 2011 Earnings Call February 22, 2012 MANAGEMENT DISCUSSION Operator: Good day, ladies and gentlemen. Thank you for standing by. Welcome to the Questcor Fourth Quarter and Fiscal Year 2011 Earnings Conference Call. During today’s presentation, all parties will be in a listen-only mode. Following the pres

February 16, 2012 EX-99.1

February 16, 2012

Questcor Pharmaceuticals, Inc. Investor Presentation 1 1 February 16, 2012 Leerink Swann NASDAQ: QCOR NASDAQ: QCOR Exhibit 99.1 2 Safe Harbor Statement Except for the historical information contained herein, this presentation contains forward-looking statements that are based on management's current expectations and beliefs and are subject to a number of risks, uncertainties and assumptions that c

February 16, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits

8-K 1 d301934d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 16, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Juris

February 10, 2012 SC 13G

QCOR / / VANGUARD GROUP INC Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.:0 )* Name of issuer: Questcor Pharmaceuticals Inc Title of Class of Securities: Common Stock CUSIP Number: 74835Y101 Date of Event Which Requires Filing of this Statement: December 31, 2011 Check the appropriate box to designate the rule pursuant to which this Schedule is

February 3, 2012 8-K

Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 d294233d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 3, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisd

February 3, 2012 EX-99.1

Questcor Announces Preliminary Fourth Quarter and Full Year 2011 Net Sales and Operating Income

Press Release Exhibit 99.1 Questcor Announces Preliminary Fourth Quarter and Full Year 2011 Net Sales and Operating Income ANAHEIM, CA – February 3, 2012 — Questcor Pharmaceuticals, Inc. (NASDAQ: QCOR) today announced that it expects to report net sales of approximately $75 million and operating income of approximately $41 million to $43 million for the quarter ended December 31, 2011, as compared

January 9, 2012 EX-99.1

QUESTCOR PHARMACEUTICALS REPORTS STRONG FINISH TO 2011 Paid Acthar Prescriptions for MS Up Approximately 165% Year-Over-Year Compared to Fourth Quarter 2010 Paid Acthar Prescriptions for Nephrotic Syndrome Up Approximately 145% Sequentially Compared

EX-99.1 2 d278517dex991.htm QUESTCOR PHARMACEUTICALS, INC. PRESS RELEASE DATED JANUARY 6, 2012 Exhibit 99.1 QUESTCOR PHARMACEUTICALS REPORTS STRONG FINISH TO 2011 Paid Acthar Prescriptions for MS Up Approximately 165% Year-Over-Year Compared to Fourth Quarter 2010 Paid Acthar Prescriptions for Nephrotic Syndrome Up Approximately 145% Sequentially Compared to Third Quarter 2011 Further Expansion of

January 9, 2012 8-K

Regulation FD Disclosure, Financial Statements and Exhibits, Results of Operations and Financial Condition

8-K 1 d278517d8k.htm FORM 8-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 6, 2012 QUESTCOR PHARMACEUTICALS, INC. (Exact Name of Registrant as Specified in Charter) California 001-14758 33-0476164 (State or Other Jurisdi

January 9, 2012 EX-99.2

January 2012

EX-99.2 3 d278517dex992.htm PRESENTATION MADE BY QUESTCOR PHARMACEUTICALS, INC. 1 1 January 2012 JP Morgan Healthcare Conference January 2012 JP Morgan Healthcare Conference Exhibit 99.2 2 Safe Harbor Statement Except for the historical information contained herein, this presentation contains forward-looking statements that are based on management's current expectations and beliefs and are subject

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