ANKCORN MICHAEL F 4

4 · INVERESK RESEARCH GROUP INC · Filed Oct 21, 2004

Form 4

Period: 2004-10-19

Group Executive Vice President

Transactions

Disposition to Issuer
Option to Purchase Common Stock
2004-10-20−30,000→ 0 total
Exercise: $23.64From: 2005-01-30Exp: 2014-01-30→ Common Stock (30,000 underlying)
Exercise of In-Money
Option to Purchase Common Stock
2004-10-19$0.40/sh−29,345$11,679→ 0 total
Exercise: $0.40From: 2003-03-25Exp: 2013-03-25→ Common Stock (29,345 underlying)
Exercise of In-Money
Option to Purchase Common Stock
2004-10-19$17.75/sh−5,000$88,750→ 0 total
Exercise: $17.75From: 2004-06-28Exp: 2013-06-28→ Common Stock (5,000 underlying)
Disposition to Issuer
Option to Purchase Common Stock
2004-10-20−10,000→ 0 total
Exercise: $17.75From: 2005-06-28Exp: 2013-06-28→ Common Stock (10,000 underlying)
Exercise of In-Money
Option to Purchase Common Stock
2004-10-19$0.40/sh−102,145$40,654→ 0 total
Exercise: $0.40From: 2002-06-28Exp: 2011-01-31→ Common Stock (102,145 underlying)

Footnotes (3)

[F1]5,000 of thesse options were scheduled to vest on June 28, 2005 and another 5,000 on June 28, 2006.
[F2]Michael Ankcorn received Charles River stock options in exchange for his Inveresk stock options pursuant to the Agreement and Plan of Merger dated as of June 30, 2004, by and among the Issuer, Charles River Laboratories International, Inc., Indigo Merger I Corp. and Indigo Merger II Corp.
[F3]One third of these options vest on 1/30/2005, with one third more to vest on 1/30/2006 and the final third to vest on 1/30/2007.

Documents

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