SEC Form 4	Date	Sym	Company	Insider	Title	Shares	Transaction	Value
DMar 1 09:45am	MFeb 28 2013	BRKR	Bruker Corp	Laukien Joerg C	Director, 10% Owner	5,540	Option exercise at $12.38	$68,589
Sep 17 2012	Sep 14 2012	BRKR	Bruker Corp	Laukien Joerg C	Director, 10% Owner	100,000	Purchase at $13.00	$1,300,000
Mar 15 2011	Mar 14 2011	BRKR	Bruker Corp	Laukien Joerg C	Director, 10% Owner	936,525	Sale at $18.35	$17,185,234
Dec 15 2010	Dec 13 2010	BRKR	Bruker Corp	Laukien Joerg C	Director, 10% Owner	926,900	Sale at $16.98	$15,738,762
Sep 13 2010	Sep 10 2010	BRKR	Bruker Corp	Laukien Joerg C	Director, 10% Owner	539,750	Sale at $13.27	$7,162,483
DMay 4 2010	MMay 3 2010	BRKR	Bruker Corp	Laukien Joerg C	Director, 10% Owner	11,000	Option exercise at $9.72	$106,898
Nov 5 2008	Nov 5 2008	BRKR	Bruker Corp	Laukien Joerg C	Director, 10% Owner	50,000	Purchase at $5.50	$275,000
Nov 5 2008	Nov 4 2008	BRKR	Bruker Corp	Laukien Joerg C	Director, 10% Owner	50,000	Purchase at $5.34	$267,000
DJun 16 2008	MJun 13 2008	BRKR	Bruker Corp	Laukien Joerg C	Director, 10% Owner	8,020	Option exercise at $7.91	$63,442
Feb 28 2008	MFeb 26 2008	BRKR	Bruker Corp	Laukien Joerg C	Director, 10% Owner	11,258,742	Grant at $0.38	$4,287,373
Feb 14 2007	Feb 12 2007	BRKR	Bruker Biosciences Corp	Laukien Joerg C	Director, 10% Owner	1,955,000	Sale at $7.10	$13,880,500
Jul 5 2006	Jul 1 2006	BRKR	Bruker Biosciences Corp	Laukien Joerg C	10% Owner	2,639,390	Grant at $0.00	$0
Apr 29 2004	Apr 28 2004	BRKR	Bruker Biosciences Corp	Laukien Joerg C	10% Owner	3,833,333	Sale at $4.50	$17,249,999

^D Derivative transaction exists
^M Multiple transactions summarized; earliest reported transaction date and average weighted transaction price
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