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Friday, December 4, 2009, 7:43PM ET - U.S. Markets Closed. Dow Up 0.22% Nasdaq Up 0.98%
Guidance Software, Inc. (GUID)At 3:59PM ET: 5.09  Down 0.09 (1.74%)  
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HereInsider Transactions
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Insider TransactionsGet Insider Transactions for:
NET SHARE PURCHASE ACTIVITY
Insider Purchases - Last 6 Months
 SharesTrans
Purchases5,0001
SalesN/A0
Net Shares Purchased
(Sold)
5,0001
Total Insider Shares Held13.10M N/A
% Net Shares Purchased
(Sold)
0.0% N/A
Net Institutional Purchases - Prior Qtr to Latest Qtr
 Shares
Net Shares Purchased (Sold)(4,623,210)
% Change in Institutional Shares Held(192.8%)
Data provided by Thomson Financial

INSIDER TRANSACTIONS REPORTED - LAST TWO YEARS
DateInsiderSharesTypeTransactionValue*
1-Oct-09PLAGA BARRY J
Officer
4,469DirectDisposition (Non Open Market) at $4.45 per share.$19,887
24-Jul-09BERGER AMANDA
Officer
10,000DirectAcquisition (Non Open Market) at $0 per share.N/A
1-Jul-09GILL LARRY
Officer
1,788DirectDisposition (Non Open Market) at $3.79 per share.$6,776
12-May-09LAWRENCE JEFF
Director
5,000IndirectAcquisition (Non Open Market) at $3.40 per share.$17,000
21-Apr-09LAWRENCE JEFF
Director
18,750DirectAcquisition (Non Open Market) at $0 per share.N/A
21-Apr-09ONEIL KATHLEEN
Director
18,750DirectAcquisition (Non Open Market) at $0 per share.N/A
21-Apr-09VAN SCHOONENBERG ROBERT G
Director
18,750DirectAcquisition (Non Open Market) at $0 per share.N/A
21-Apr-09RICHARDS STEPHEN C
Director
18,750DirectAcquisition (Non Open Market) at $0 per share.N/A
21-Apr-09GELLER MARSHALL S
Director
18,750DirectAcquisition (Non Open Market) at $0 per share.N/A
21-Apr-09VAN DER COLFF RASMUS
Officer
22,000DirectAcquisition (Non Open Market) at $0 per share.N/A
17-Mar-09BAIR JESSICA
Officer
672DirectDisposition (Non Open Market) at $3.75 per share.$2,520
11-Mar-09PATZAKIS JOHN
Officer
14,895DirectSale at $3.02 - $3.11 per share.$46,0002
10-Mar-09PATZAKIS JOHN
Officer
45,105DirectSale at $3.10 per share.$139,825
9-Mar-09VAN DER COLFF RASMUS
Officer
N/ADirectStatement of OwnershipN/A
13-Feb-09GILL LARRY
Officer
50,000DirectAcquisition (Non Open Market) at $0 per share.N/A
13-Feb-09HARRINGTON MARK
Officer
20,000DirectAcquisition (Non Open Market) at $0 per share.N/A
6-Jan-09BAIR JESSICA
Officer
509DirectDisposition (Non Open Market) at $4.18 per share.$2,127
6-Jan-09GILL LARRY
Officer
339DirectDisposition (Non Open Market) at $4.18 per share.$1,417
6-Jan-09HARRINGTON MARK
Officer
339DirectDisposition (Non Open Market) at $4.18 per share.$1,417
6-Jan-09GURZI MICHAEL
Officer
1,467DirectAutomatic Sale at $3.80 - $3.82 per share.$5,5892
2-Dec-08GELLER MARSHALL S
Director
4,200IndirectPurchase at $2.95 per share.$12,390
14-Nov-08PLAGA BARRY J
Officer
2,000DirectPurchase at $3.08 per share.$6,160
11-Nov-08ONEIL KATHLEEN
Director
2,800DirectPurchase at $3.50 per share.$9,800
11-Nov-08LAWRENCE JEFF
Director
5,000IndirectAcquisition (Non Open Market) at $3.57 per share.$17,850
31-Oct-08PLAGA BARRY J
Officer
50,000DirectAcquisition (Non Open Market) at $0 per share.N/A
18-Sep-08VAN SCHOONENBERG ROBERT G
Director
3,000IndirectPurchase at $4.60 per share.$13,799
11-Sep-08VAN SCHOONENBERG ROBERT G
Director
5,000DirectPurchase at $5.75 per share.$28,750
10-Sep-08RICHARDS STEPHEN C
Director
5,000DirectPurchase at $5.75 per share.$28,750
13-Aug-08GELLER MARSHALL S
Director
4,500IndirectPurchase at $5.66 - $5.75 per share.$26,0002
12-Aug-08GELLER MARSHALL S
Director
5,000IndirectPurchase at $5.85 - $5.91 per share.$29,0002
12-Aug-08VAN SCHOONENBERG ROBERT G
Director
3,000IndirectPurchase at $5.87 - $5.9 per share.$18,0002
1-Aug-08GILL LARRY
Officer
20,000DirectAcquisition (Non Open Market) at $0 per share.N/A
2-Jun-08MCCREIGHT SHAWN
Officer
58,000IndirectDisposition (Non Open Market) at $0 per share.N/A
2-Jun-08MCCREIGHT JENNIFER
Beneficial Owner (10% or more)
58,000IndirectDisposition (Non Open Market) at $0 per share.N/A
20-May-08ONEIL KATHLEEN
Director
7,500DirectAcquisition (Non Open Market) at $0 per share.N/A
20-May-08VAN SCHOONENBERG ROBERT G
Director
7,500DirectAcquisition (Non Open Market) at $0 per share.N/A
20-May-08RICHARDS STEPHEN C
Director
7,500DirectAcquisition (Non Open Market) at $0 per share.N/A
20-May-08GELLER MARSHALL S
Director
7,500DirectAcquisition (Non Open Market) at $0 per share.N/A
17-Mar-08BAIR JESSICA
Officer
4,725DirectAcquisition (Non Open Market) at $0 per share.N/A
17-Mar-08SANSONE FRANK
Officer
7,875DirectAcquisition (Non Open Market) at $0 per share.N/A
17-Mar-08LIMONGELLI VICTOR
Officer
7,875DirectAcquisition (Non Open Market) at $0 per share.N/A
17-Mar-08GILL LARRY
Officer
3,150DirectAcquisition (Non Open Market) at $0 per share.N/A
17-Mar-08HARRINGTON MARK
Officer
3,150DirectAcquisition (Non Open Market) at $0 per share.N/A
17-Mar-08GURZI MICHAEL
Officer
4,725DirectAcquisition (Non Open Market) at $0 per share.N/A
20-Feb-08GURZI MICHAEL
Officer
7,500DirectAcquisition (Non Open Market) at $0 per share.N/A
20-Feb-08FEINLAND SHELDON
Officer
7,500DirectAcquisition (Non Open Market) at $0 per share.N/A
20-Feb-08RICHARDS STEPHEN C
Director
2,000DirectStatement of OwnershipN/A
31-Dec-07HARRINGTON MARK
Officer
816DirectAutomatic Sale at $13.69 per share.$11,171
28-Dec-07HARRINGTON MARK
Officer
449DirectAutomatic Sale at $13.66 per share.$6,133
27-Dec-07HARRINGTON MARK
Officer
5,000IndirectAutomatic Sale at $13.51 per share.$67,550
26-Dec-07HARRINGTON MARK
Officer
200DirectAutomatic Sale at $13.66 per share.$2,732
19-Dec-07GURZI MICHAEL
Officer
2,500DirectOption Exercise at $4.54 per share.$11,350
19-Dec-07GURZI MICHAEL
Officer
3,000DirectAutomatic Sale at $14 per share.$42,000
11-Dec-07PATZAKIS JOHN
Officer
26,000DirectDisposition (Non Open Market) at $0 per share.N/A
Data provided by EDGAR Online
* = Where indicated, some values are estimates.
1 = Potential proceeds estimated by the filer.
2 = Estimated based on the average of multiple prices reported.
3 = Multiple dates reported. Most recent date shown.
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