| Date Filed | Type | Description |
| 05/16/2012 |
NT 10-Q
| Form NT 10-Q - Notification of inability to timely file Form 10-Q or 10-QSB |
| 05/02/2012 |
SC 13D/A
| Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend] |
| 04/03/2012 |
SC 13D/A
| ATS CORP reports a 0% stake in ATS CORPORATION |
| 04/02/2012 |
SC 13D/A
| Form SC 13D - General statement of acquisition of beneficial ownership [amend] |
| 04/02/2012 |
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 |
| 04/02/2012 |
SC 13D/A
| Form SC 13D - General statement of acquisition of beneficial ownership [amend] |
| 03/30/2012 |
8-K
| Quarterly results |
| 03/30/2012 |
SC TO-T/A
| Form SC TO-T - Tender offer statement by Third Party [amend] |
| 03/30/2012 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 03/30/2012 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 03/30/2012 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 03/30/2012 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 03/30/2012 |
S-8 POS
| Form S-8 POS - Securities to be offered to employees in employee benefit plans, post-effective amendments |
| 03/30/2012 |
NT 10-K
| Form NT 10-K - Notification of inability to timely file Form 10-K 405, 10-K, 10-KSB 405, 10-KSB, 10-KT, or 10-KT405 |
| 03/28/2012 |
SC TO-T/A
| Form SC TO-T - Tender offer statement by Third Party [amend] |
| 03/23/2012 |
SC TO-T/A
| Form SC TO-T - Tender offer statement by Third Party [amend] |
| 03/23/2012 |
PRN
| Salient Federal Solutions Extends Offer for Shares of ATS Corporation |
| 03/16/2012 |
SC TO-T/A
| Form SC TO-T - Tender offer statement by Third Party [amend] |
| 03/16/2012 |
SC 13D/A
| ATS CORP reports a 4.3% stake in ATS Corporation |
| 03/09/2012 |
SC TO-T/A
| Form SC TO-T - Tender offer statement by Third Party [amend] |
| 03/05/2012 |
SC 13D/A
| Form SC 13D - General statement of acquisition of beneficial ownership [amend] |
| 03/01/2012 |
SC TO-T/A
| Form SC TO-T - Tender offer statement by Third Party [amend] |
| 02/28/2012 |
SC 14D9
| Form SC 14D9 - Solicitation, recommendation statements |
| 02/28/2012 |
SC TO-T
| Form SC TO-T - Tender offer statement by Third Party |
| 02/24/2012 |
SC14D9C
| Form SC14D9C - Written communication relating to third party tender offer |
| 02/24/2012 |
SC TO-C
| Form SC TO-C - Written communication relating to an issuer or third party |
| 02/24/2012 |
SC 13D/A
| ATS CORP reports a 21% stake in ATS CORPORATION |
| 02/22/2012 |
SC14D9C
| Form SC14D9C - Written communication relating to third party tender offer |
| 02/22/2012 |
SC TO-C
| Form SC TO-C - Written communication relating to an issuer or third party |
| 02/22/2012 |
PRN
| ATS Corporation Investor Alert: The Briscoe Law Firm and Powers Taylor, LLP Investigate the Board of ATS Corporation Concerning the Sale of ATSC to Salient Federal Solutions, Inc. |
| 02/22/2012 |
SC 13D/A
| Form SC 13D - General statement of acquisition of beneficial ownership [amend] |
| 02/21/2012 |
SC14D9C
| Form SC14D9C - Written communication relating to third party tender offer |
| 02/21/2012 |
SC14D9C
| Form SC14D9C - Written communication relating to third party tender offer |
| 02/21/2012 |
SC14D9C
| Form SC14D9C - Written communication relating to third party tender offer |
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