PROSPECTUS SUPPLEMENT FILED PURSUANT TO 424(b)(3) and (c) (TO PROSPECTUS DATED SEPTEMBER 21, 2001) REGISTRATION No. 333-68556 COR THERAPEUTICS, INC. $300,000,000 Principal Amount 4.50% Convertible Senior Notes due June 15, 2006 and Shares of Common Stock Issuable upon Conversion of the Notes ---------------- This prospectus supplement should be read in conjunction with the prospectus dated September 21, 2001, which is to be delivered with the prospectus supplement. See "Risk Factors" beginning on page 6 of the prospectus to read about factors you should consider before purchasing the notes or our common stock. Neither the Securities and Exchange Commission nor any other regulatory body has approved or disapproved of these securities or passed upon the accuracy or adequacy of this prospectus. Any representation to the contrary is a criminal offense. ---------------- The table, including related notes, appearing in the prospectus under the heading "Selling Security Holders" is superceded by the following table, including related notes: Common Stock Principal Amount of Shares of Common Owned After Notes Beneficially Stock Beneficially Common Stock Completion of Name Owned and Offered(1) Owned(2) Offered Offering(3) - ------------------------------------------------------------------------------------------------------------------------------------ AIG/National Union Fire Insurance 500,000 12,469 12,469 0 Alexandra Global Investment Fund 1, Ltd. 3,000,000 252,449(4) 74,816 177,633 Argent Classic Convertible Arbitrage Fund (Bermuda) Ltd. 500,000 130,891(4) 12,469 118,422 BP Amoco Plc. Master Trust 1,535,000 38,281 38,281 0 Canyon Capital Arbitrage Master Hedge Fund, Ltd. 2,300,000 57,359 57,359 0 Canyon Mac 18 (RMF) 700,000 17,457 17,457 0 Canyon Value Realization Fund (Cayman), Ltd. 5,300,000 132,176 132,176 0 Citicorp Life Insurance Company 18,000 448 448 0 Clinton Multistrategy Master Fund, Ltd. 2,750,000 68,581 68,581 0 Clinton Riverside Convertible Portfolio Limited 4,750,000 118,459 118,459 0 Convertible Securities Fund 150,000 3,740 3,740 0 Credit Suisse First Boston Corporation (5) 5,250,000 500,999(4) 130,929 370,070 Delta Pilots D & S Trust (c/o Oaktree Capital Management, LLC) 45,000 1,122 1,122 0 Deutsche Banc Alex Brown Inc. 20,750,000 893,887(4) 517,482 376,405 Estate of James Campbell 216,000 10,330(4) 5,386 4,944 Fidelity Financial Trust: Fidelity Convertible Securities Fund 4,000,000 99,755 99,755 0 Franklin and Marshall College 95,000 2,369 2,369 0 Goldman Sachs and Company 100,000 2,493 2,493 0 Harris Insight Convertible Securities Fund 600,000 14,963 14,963 0 James Campbell Corporation 286,000 7,132 7,132 0 Jefferies & Company, Inc. 1,000,000 24,938 24,938 0 JMG Triton Offshore Fd Ltd. 5,000,000 139,496(4) 124,694 14,802 KBC Financial Products (Cayman Islands) Limited 7,500,000 187,041 187,041 0 Lincoln National Global Asset Allocation Fund, Inc. 40,000 997 997 0 Morgan Stanley & Co 5,000,000 124,694 124,694 0 Motion Picture Industry Health Plan--Active Member Fund 35,000 4,868(4) 872 3,996 Motion Picture Industry Health Plan--Retiree Member Fund 30,000 2,376(4) 748 1,628 Museum of Fine Arts, Boston 10,000 545(4) 249 296 Nations Convertible Securities Fund 5,850,000 145,892 145,892 0 OCM Convertible Trust 265,000 32,808(4) 6,608 26,200 Parker-Hannifin Corporation 160,000 5,026(4) 3,990 1,036 Partner Reinsurance Company 60,000 8,009(4) 1,496 6,513 1. Common Stock Principal Amount of Shares of Common Owned After Notes Beneficially Stock Beneficially Common Stock Completion of Name Owned and Offered(1) Owned(2) Offered Offering(3) - ------------------------------------------------------------------------------------------------------------------------------------ Penn Treaty Network America Insurance Company 95,000 2,369 2,369 0 Pioneer High Yield Portfolio 6,800,000 169,584 169,584 0 Pioneer High Yield VCT Portfolio 200,000 4,987 4,987 0 Primerica Life Insurance Company 328,000 8,179 8,179 0 Putnam Asset Allocation Funds--Balanced Portfolio 680,000 21,073(4) 16,958 4,115 Putnam Asset Allocation Funds--Conservative Portfolio 530,000 15,851(4) 13,217 2,634 Putnam Convertible Income--Growth Fund 5,110,000 187,358(4) 127,437 59,921 Putnam Convertible Opportunities and Income Trust. 180,000 6,235(4) 4,489 1,746 Putnam Variable Trust-Putnam VT Global Asset Allocation Fund 180,000 4,489 4,489 0 Robertson Stephens(6) 3,350,000 172,361(4) 83,545 88,816 Sagamore Hill Hub Fund Ltd. 10,000,000 249,389 249,389 0 Sage Capital 100,000 72,066(4) 2,493 69,573 Salomon Brothers Asset Management, Inc. 1,985,000 49,503 49,503 0 SG Cowen Securities 10,000,000 249,389 249,389 0 Shephard Investments International, Ltd 4,000,000 378,521(4) 99,755 278,766 Stark International 6,000,000 253,252(4) 149,633 103,619 Starvest Combined Portfolio 640,000 15,960 15,960 0 State Employees' Retirement Fund of the State of Delaware 295,000 24,379(4) 7,356 17,023 State of Connecticut Combined Investment Funds 625,000 52,000(4) 15,568 36,414 The Travelers Indemnity Company 1,239,000 30,899 30,899 0 The Travelers Insurance Company--Life 579,000 14,439 14,439 0 The Travelers Insurance Company--Separate Account TLAC 41,000 1,022 1,022 0 The Travelers Life and Annuity Company 45,000 1,122 1,122 0 The Travelers Series Trust Convertible Bond Portfolio 250,000 6,234 6,234 0 The Value Realization Fund, L.P. 4,000,000 99,755 99,755 0 TQA Master Fund, Ltd. 3,950,000 225,071(4) 98,508 126,563 TQA Master Plus Fund, Ltd 2,500,000 91,952(4) 62,347 29,605 Tribeca Investment L.L.C. 1,500,000 37,408 37,408 0 UBS O'Connor LLC, F/B/O UBS Global Equity Arbitrage Master Ltd. 1,910,000 47,633 47,633 0 Value Realization Fund LP 2,750,000 68,581 68,581 0 Vanguard Convertible Securities Fund, Inc. 510,000 54,757(4) 12,718 42,039 ZCM Asset Holding Company 250,000 9,194(4) 6,234 2,960 Zurich Institutional Benchmarks Master Fund Limited 334,000 8,329 8,329 0 (1) Consists solely of principal amount of the 4.50% Convertible Senior Notes being offered hereby. (2) Unless otherwise noted, represents shares of common stock issuable upon conversion of the 4.50% Convertible Senior Notes. (3) Unless otherwise noted, represents shares of common stock issuable upon conversion of our 5.00% Convertible Subordinated Notes. (4) Includes common stock issuable upon conversion of our 5.00% Convertible Subordinated Notes. (5) Credit Suisse First Boston Corporation was an initial purchaser of the Notes from us. Credit Suisse First Boston Corporation purchased the notes listed on this table for its own account and not for purposes of distribution. (6) Robertson Stephens was an initial purchaser of the Notes from us. Robertson Stephens purchased the notes listed on this table for its own account and not for purposes of distribution. The date of this Prospectus Supplement is February 6, 2002. 2.