| Date Filed | Type | Description |
| 09/25/2017 |
15-12B
| Form 15-12B - Securities registration termination [Section 12(b)]: |
| 09/18/2017 |
EFFECT
| Form EFFECT - Notice of Effectiveness: |
| 09/18/2017 |
EFFECT
| Form EFFECT - Notice of Effectiveness: |
| 09/15/2017 |
SC 13D/A
| Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend] |
| 09/14/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 09/14/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 09/14/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 09/14/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 09/14/2017 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments: |
| 09/14/2017 |
POS AM
| Form POS AM - Post-Effective amendments for registration statement: |
| 09/14/2017 |
POS AM
| Form POS AM - Post-Effective amendments for registration statement: |
| 09/14/2017 |
8-K
| Quarterly results |
| 09/14/2017 |
SC 13D/A
| OPEN TEXT CORP reports a 100% stake in Guidance Software, Inc. |
| 09/14/2017 |
25-NSE
| Form 25-NSE - Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities: |
| 09/07/2017 |
SC 13D
| Form SC 13D - General statement of acquisition of beneficial ownership: |
| 09/07/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party: [Amend] |
| 09/01/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party: [Amend] |
| 08/28/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party: [Amend] |
| 08/22/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party: [Amend] |
| 08/21/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party: [Amend] |
| 08/17/2017 |
SC 13G
| Form SC 13G - Statement of acquisition of beneficial ownership by individuals: |
| 08/15/2017 |
SC TO-T/A
| Form SC TO-T/A - Tender offer statement by Third Party: [Amend] |
| 08/09/2017 |
SC 13G/A
| Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend] |
| 08/08/2017 |
SC 14D9
| Form SC 14D9 - Solicitation, recommendation statements: |
| 08/08/2017 |
SC TO-T
| Form SC TO-T - Tender offer statement by Third Party: |
| 08/07/2017 |
10-Q
| Quarterly Report for the period ended June 30, 2017 |
| 08/04/2017 |
SC 13D
| OPEN TEXT CORP reports a 9.6% stake in Guidance Software, Inc. |
| 08/02/2017 |
8-K
| Quarterly results |
| 08/01/2017 |
BW
| Guidance Software Reports 2017 Second Quarter Financial Results |
| 07/27/2017 |
SC14D9C
| Form SC14D9C - Written communication relating to third party tender offer: |
| 07/26/2017 |
SC14D9C
| Form SC14D9C - Written communication relating to third party tender offer: |
| 07/26/2017 |
8-K
| Form 8-K - Current report: |
| 07/26/2017 |
SC TO-C
| Form SC TO-C - Written communication relating to an issuer or third party: |
| 07/26/2017 |
BW
| Guidance Software Announces Preliminary 2017 Second Quarter Financial Results |
|