BIOSITE INC 4

4 · BIOSITE INC · Filed May 26, 2005

Insider Transaction Report

Form 4

Period: 2005-05-25

BIOSITE INCBSTE

WITERZENS PETER

VP, Operations

Transactions

Exercise/Conversion
Non-Qualified Stock Option (right to buy)
2005-05-25$65.50/sh−200$13,100→ 19,696 total
Exercise: $24.95From: 2002-06-18Exp: 2012-06-18→ Common Stock (200 underlying)
Exercise/Conversion
Non-Qualified Stock Option (right to buy)
2005-05-25$65.49/sh−1,200$78,588→ 18,496 total
Exercise: $24.95From: 2002-06-18Exp: 2012-06-18→ Common Stock (1,200 underlying)
Exercise/Conversion
Non-Qualified Stock Option (right to buy)
2005-05-25$65.37/sh−703$45,955→ 11,396 total
Exercise: $24.95From: 2002-06-18Exp: 2012-06-18→ Common Stock (703 underlying)
Exercise/Conversion
Non-Qualified Stock Option (right to buy)
2005-05-25$65.46/sh−350$22,911→ 25,644 total
Exercise: $41.56From: 2001-06-14Exp: 2011-06-14→ Common Stock (350 underlying)
Exercise/Conversion
Non-Qualified Stock Option (right to buy)
2005-05-25$65.41/sh−7,500$490,575→ 3,896 total
Exercise: $24.95From: 2002-06-18Exp: 2012-06-18→ Common Stock (7,500 underlying)
Exercise/Conversion
Non-Qualified Stock Option (right to buy)
2005-05-26$65.04/sh−10,534$685,131→ 155 total
Exercise: $41.56From: 2001-06-14Exp: 2011-06-14→ Common Stock (10,534 underlying)
Exercise/Conversion
Non-Qualified Stock Option (right to buy)
2005-05-25$65.37/sh−95$6,210→ 27,294 total
Exercise: $41.56From: 2001-06-14Exp: 2011-06-14→ Common Stock (95 underlying)
Sale
Common Stock
2005-05-26$65.04/sh−6,200$403,248→ 0 total
Exercise/Conversion
Non-Qualified Stock Option (right to buy)
2005-05-25$65.46/sh−3,497$228,914→ 14,999 total
Exercise: $24.95From: 2002-06-18Exp: 2012-06-18→ Common Stock (3,497 underlying)
Exercise/Conversion
Non-Qualified Stock Option (right to buy)
2005-05-25$65.00/sh−14,955$972,075→ 10,689 total
Exercise: $41.56From: 2001-06-14Exp: 2011-06-14→ Common Stock (14,955 underlying)
Exercise/Conversion
Common Stock
2005-05-26$47.66/sh+6,200$295,492→ 6,200 total
Exercise/Conversion
Non-Qualified Stock Option (right to buy)
2005-05-25$65.40/sh−2,700$176,580→ 12,099 total
Exercise: $24.95From: 2002-06-18Exp: 2012-06-18→ Common Stock (2,700 underlying)
Exercise/Conversion
Non-Qualified Stock Option (right to buy)
2005-05-25$65.44/sh−100$6,544→ 14,899 total
Exercise: $24.95From: 2002-06-18Exp: 2012-06-18→ Common Stock (100 underlying)
Exercise/Conversion
Non-Qualified Stock Option (right to buy)
2005-05-26$65.04/sh−6,200$403,248→ 7,689 total
Exercise: $47.66From: 2003-06-18Exp: 2013-06-18→ Common Stock (6,200 underlying)
Exercise/Conversion
Non-Qualified Stock Option (right to buy)
2005-05-25$65.38/sh−1,000$65,380→ 26,294 total
Exercise: $41.56From: 2001-06-14Exp: 2011-06-14→ Common Stock (1,000 underlying)

Footnotes (1)

[F1]Option vests daily over a four-year period commencing on the date of grant, except that no options are exercisable for the first six months after the date of grant.

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