X0202
4
2008-04-29
0
0000054991
KEITHLEY INSTRUMENTS INC
KEI
0001198935
WHITE R ELTON
KEITHLEY INSTRUMENTS, INC.
28775 AURORA ROAD
SOLON
OH
44139
1
0
0
0
Common Shares
2008-04-29
4
A
0
1394
0.00
A
13008
D
Common Stock Option
36.85
2001-08-18
2011-02-17
Common Stk
10000
10000
D
Common Stock Option
19.23
2002-08-17
2012-02-16
Common Stk
10000
10000
D
Common Stock Option
23.13
2004-08-15
2014-08-14
Common Stk
10000
10000
D
Common Stock Option
16.67
2005-05-13
2015-02-12
Common Stk
10000
10000
D
Phantom Stock Units
10.3776
2008-04-29
4
A
0
109.98
0.00
A
Common Stk
109.98
31223.69
D
The phantom stock units were accrued under the Keithley Instruments, Inc. Deferred Stock Plan and are to be settled in common stock or cash upon the retirement from the Board of the reporting person; retirement date is not yet known.
Phantom shares were acquired on various dates (beginning 09/19/1995) with prices ranging from $2.469 to $64.00.
Mark J. Plush, Attorney-in Fact
2008-05-01