NightHawk Radiology Holdings Inc

Related Filers (37)

News (67)

8-K
Wednesday, 12/22/2010
Current report filing
8-K
Wednesday, 12/8/2010
Current report filing
8-K
Tuesday, 11/9/2010
Current report filing
8-K
Monday, 9/27/2010
Current report filing
8-K
Thursday, 9/9/2010
Current report filing
8-K
Thursday, 8/5/2010
Current report filing
8-K
Tuesday, 7/6/2010
Current report filing
8-K
Wednesday, 6/16/2010
Current report filing
8-K
Thursday, 5/6/2010
Current report filing
8-K
Wednesday, 5/5/2010
Current report filing
8-K
Friday, 2/26/2010
Current report filing
8-K
Wednesday, 2/17/2010
Current report filing
8-K
Wednesday, 12/9/2009
Current report filing
8-K
Thursday, 11/5/2009
Current report filing
8-K
Tuesday, 9/15/2009
Current report filing
8-K
Friday, 8/14/2009
Current report filing
8-K
Thursday, 8/13/2009
Current report filing
8-K
Wednesday, 8/5/2009
Current report filing
8-K
Wednesday, 6/17/2009
Current report filing
8-K
Wednesday, 6/10/2009
Current report filing
8-K
Wednesday, 4/29/2009
Current report filing
8-K
Wednesday, 4/22/2009
Current report filing
8-K
Tuesday, 4/14/2009
Current report filing
8-K
Wednesday, 2/18/2009
Current report filing
8-K
Thursday, 1/8/2009
Current report filing
8-K
Wednesday, 12/24/2008
Current report filing
8-K
Tuesday, 12/9/2008
Current report filing
8-K
Wednesday, 11/26/2008
Current report filing
8-K
Monday, 11/17/2008
Current report filing
8-K
Wednesday, 10/29/2008
Current report filing
8-K
Wednesday, 7/30/2008
Current report filing
8-K
Monday, 5/19/2008
Current report filing
8-K
Wednesday, 5/7/2008
Current report filing
8-K
Wednesday, 5/7/2008
Current report filing
8-K
Wednesday, 4/30/2008
Current report filing
8-K
Thursday, 4/10/2008
Current report filing
8-K
Wednesday, 3/12/2008
Current report filing
8-K
Thursday, 2/28/2008
Current report filing
8-K
Monday, 2/25/2008
Current report filing
8-K
Wednesday, 2/13/2008
Current report filing
8-K
Tuesday, 1/29/2008
Current report filing
8-K/A
Monday, 10/1/2007
Current report filing
8-K
Wednesday, 7/25/2007
Current report filing
8-K
Tuesday, 7/17/2007
Current report filing
8-K
Friday, 7/13/2007
Current report filing
8-K/A
Wednesday, 6/6/2007
Current report filing
8-K
Wednesday, 5/2/2007
Current report filing
8-K
Monday, 4/9/2007
Current report filing
8-K
Monday, 4/9/2007
Current report filing
8-K
Thursday, 4/5/2007
Current report filing
8-K
Friday, 2/23/2007
Current report filing
8-K
Thursday, 2/15/2007
Current report filing
8-K
Monday, 2/12/2007
Current report filing
8-K
Tuesday, 2/6/2007
Current report filing
8-K
Thursday, 1/11/2007
Current report filing
8-K
Thursday, 1/11/2007
Current report filing
8-K
Friday, 11/24/2006
Current report filing
8-K
Friday, 10/27/2006
Current report filing
8-K
Monday, 10/23/2006
Current report filing
8-K
Wednesday, 10/18/2006
Current report filing
8-K
Friday, 8/11/2006
Current report filing
8-K
Wednesday, 8/2/2006
Current report filing
8-K
Wednesday, 7/26/2006
Current report filing
8-K
Monday, 6/26/2006
Current report filing
8-K
Monday, 5/15/2006
Current report filing
8-K
Thursday, 5/4/2006
Current report filing
8-K
Thursday, 3/9/2006
Current report filing
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Other (20)

15-12G
Tuesday, 1/4/2011
Notice of termination of registration of a class of securities under Section 12(g)
25-NSE
Wednesday, 12/22/2010
Notification filed by national security exchange to report the removal from listing and registration of matured, redeemed or retired securities
CORRESP
Monday, 11/22/2010
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Tuesday, 4/20/2010
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Wednesday, 4/14/2010
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Thursday, 3/26/2009
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Wednesday, 8/13/2008
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
REGDEX
Thursday, 3/20/2008
Form D (PDF)
EFFECT
Wednesday, 10/25/2006
Notice of Effectiveness
CORRESP
Tuesday, 2/7/2006
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Tuesday, 2/7/2006
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Tuesday, 2/7/2006
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
8-A12G
Monday, 2/6/2006
Form for registration of a class of securities pursuant to Section 12(g)
CORRESP
Tuesday, 1/24/2006
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Monday, 1/9/2006
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Friday, 11/25/2005
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Tuesday, 11/8/2005
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Tuesday, 11/8/2005
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
REGDEX
Thursday, 10/13/2005
Form D (PDF)
REGDEX
Tuesday, 6/1/2004
Form D (PDF)
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Ownership (256)

SC 13G/A
Monday, 2/14/2011
TRANSAMERICA INVESTMENT MANAGEMENT LLC: Major Shareholders
SC 13G/A
Monday, 2/14/2011
QUAKER CAPITAL MANAGEMENT CORP: Major Shareholders
SC 13G/A
Monday, 2/14/2011
PARADIGM CAPITAL MANAGEMENT INC/NY: Major Shareholders
SC 13G/A
Thursday, 2/10/2011
STELLIAM INVESTMENT MANAGEMENT, LP: Major Shareholders
4
Monday, 12/27/2010
Terrill Jeff: Statement of changes in beneficial ownership of securities
4
Monday, 12/27/2010
CARTEE Paul E: Statement of changes in beneficial ownership of securities
4
Monday, 12/27/2010
Engert David Michael: Statement of changes in beneficial ownership of securities
4
Monday, 12/27/2010
Myers Timothy V: Statement of changes in beneficial ownership of securities
4
Monday, 12/27/2010
BLAND CHARLES R: Statement of changes in beneficial ownership of securities
4
Monday, 12/27/2010
Brophy David J: Statement of changes in beneficial ownership of securities
4
Monday, 12/27/2010
SANKARAN DAVID M: Statement of changes in beneficial ownership of securities
SC 13D/A
Thursday, 12/23/2010
GAMCO INVESTORS, INC. ET AL: Major Shareholders
4
Thursday, 12/23/2010
CHUNG PETER Y: Statement of changes in beneficial ownership of securities
SC 13G
Friday, 12/10/2010
WATER ISLAND CAPITAL LLC: Major Shareholders
4
Friday, 11/26/2010
BLAND CHARLES R: Statement of changes in beneficial ownership of securities
SC 13D
Friday, 11/12/2010
GAMCO INVESTORS, INC. ET AL: Major Shareholders
SC 13G
Monday, 11/8/2010
WATER ISLAND CAPITAL LLC: Major Shareholders
SC 13G
Tuesday, 10/5/2010
WATER ISLAND CAPITAL LLC: Major Shareholders
SC 13G
Thursday, 6/17/2010
STELLIAM INVESTMENT MANAGEMENT, LP: Major Shareholders
4
Tuesday, 6/1/2010
CHUNG PETER Y: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/1/2010
Terrill Jeff: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/1/2010
BLAND CHARLES R: Statement of changes in beneficial ownership of securities
4
Tuesday, 6/1/2010
Brophy David J: Statement of changes in beneficial ownership of securities
4
Thursday, 5/20/2010
SANKARAN DAVID M: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/5/2010
Myers Timothy V: Statement of changes in beneficial ownership of securities
4
Monday, 4/19/2010
CARTEE Paul E: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/2/2010
Engert David Michael: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/2/2010
SANKARAN DAVID M: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/2/2010
CARTEE Paul E: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/2/2010
Myers Timothy V: Statement of changes in beneficial ownership of securities
SC 13G/A
Tuesday, 2/16/2010
QUAKER CAPITAL MANAGEMENT CORP: Major Shareholders
SC 13G/A
Tuesday, 2/16/2010
ACCIPITER CAPITAL MANAGEMENT, LLC: Major Shareholders
SC 13G/A
Friday, 2/12/2010
TRANSAMERICA INVESTMENT MANAGEMENT LLC: Major Shareholders
SC 13G
Friday, 2/12/2010
PARADIGM CAPITAL MANAGEMENT INC/NY: Major Shareholders
SC 13G
Thursday, 11/12/2009
QUAKER CAPITAL MANAGEMENT CORP: Major Shareholders
4
Wednesday, 8/12/2009
CARTEE Paul E: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/12/2009
Terrill Jeff: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/12/2009
SANKARAN DAVID M: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/12/2009
Murnane Timothy E: Statement of changes in beneficial ownership of securities
SC 13G
Thursday, 7/16/2009
ACCIPITER CAPITAL MANAGEMENT, LLC: Major Shareholders
3
Friday, 6/19/2009
Terrill Jeff: Initial statement of beneficial ownership of securities
4/A
Thursday, 5/21/2009
Myers Timothy V: Statement of changes in beneficial ownership of securities
4/A
Thursday, 5/21/2009
BLAND CHARLES R: Statement of changes in beneficial ownership of securities
4/A
Thursday, 5/21/2009
Berger Paul E: Statement of changes in beneficial ownership of securities
4/A
Thursday, 5/21/2009
Brophy David J: Statement of changes in beneficial ownership of securities
SC 13G/A
Monday, 5/11/2009
FMR LLC: Major Shareholders
4
Wednesday, 5/6/2009
CHUNG PETER Y: Statement of changes in beneficial ownership of securities
4/A
Wednesday, 5/6/2009
CHUNG PETER Y: Statement of changes in beneficial ownership of securities
4/A
Wednesday, 5/6/2009
CHUNG PETER Y: Statement of changes in beneficial ownership of securities
4
Monday, 5/4/2009
Murnane Timothy E: Statement of changes in beneficial ownership of securities
4
Monday, 5/4/2009
Myers Timothy V: Statement of changes in beneficial ownership of securities
4
Monday, 5/4/2009
CARTEE Paul E: Statement of changes in beneficial ownership of securities
4
Monday, 5/4/2009
BLAND CHARLES R: Statement of changes in beneficial ownership of securities
4
Monday, 5/4/2009
Brophy David J: Statement of changes in beneficial ownership of securities
4
Monday, 5/4/2009
Berger Paul E: Statement of changes in beneficial ownership of securities
3
Monday, 4/20/2009
Myers Timothy V: Initial statement of beneficial ownership of securities
4
Friday, 4/17/2009
CARTEE Paul E: Statement of changes in beneficial ownership of securities
4
Monday, 3/2/2009
Engert David Michael: Statement of changes in beneficial ownership of securities
4
Tuesday, 2/24/2009
Engert David Michael: Statement of changes in beneficial ownership of securities
3
Wednesday, 2/18/2009
CARTEE Paul E: Initial statement of beneficial ownership of securities
SC 13G/A
Tuesday, 2/17/2009
FMR LLC: Major Shareholders
SC 13G/A
Tuesday, 2/17/2009
ACCIPITER CAPITAL MANAGEMENT, LLC: Major Shareholders
SC 13G/A
Thursday, 2/12/2009
PRICE T ROWE ASSOCIATES INC /MD/: Major Shareholders
SC 13G
Tuesday, 2/10/2009
Berger Jon D: Major Shareholders
SC 13G
Tuesday, 2/10/2009
Berger Paul E: Major Shareholders
SC 13G/A
Wednesday, 1/14/2009
TRANSAMERICA INVESTMENT MANAGEMENT LLC: Major Shareholders
4
Tuesday, 12/23/2008
Engert David Michael: Statement of changes in beneficial ownership of securities
SC 13G
Thursday, 12/11/2008
FERNANDEZ MICHAEL: Major Shareholders
SC 13G/A
Wednesday, 12/10/2008
PRICE T ROWE ASSOCIATES INC /MD/: Major Shareholders
SC 13G
Monday, 11/24/2008
FERNANDEZ MIGUEL: Major Shareholders
4
Thursday, 11/20/2008
Berger Jon D: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/19/2008
Berger Paul E: Statement of changes in beneficial ownership of securities
4
Wednesday, 11/19/2008
Berger Paul E: Statement of changes in beneficial ownership of securities
SC 13G/A
Monday, 11/10/2008
FMR LLC: Major Shareholders
SC 13G/A
Wednesday, 10/8/2008
TRANSAMERICA INVESTMENT MANAGEMENT LLC: Major Shareholders
SC 13G/A
Wednesday, 9/3/2008
TRANSAMERICA INVESTMENT MANAGEMENT LLC: Major Shareholders
SC 13G/A
Thursday, 7/10/2008
FMR LLC: Major Shareholders
SC 13G/A
Thursday, 7/10/2008
WASATCH ADVISORS INC: Major Shareholders
3
Wednesday, 5/21/2008
SANKARAN DAVID M: Initial statement of beneficial ownership of securities
4
Wednesday, 5/21/2008
SANKARAN DAVID M: Statement of changes in beneficial ownership of securities
4
Wednesday, 5/14/2008
CHUNG PETER Y: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/13/2008
Murnane Timothy E: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/13/2008
Berger Jon D: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/13/2008
Brophy David J: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/13/2008
BLAND CHARLES R: Statement of changes in beneficial ownership of securities
4
Tuesday, 5/13/2008
Engert David Michael: Statement of changes in beneficial ownership of securities
3
Friday, 5/9/2008
Engert David Michael: Initial statement of beneficial ownership of securities
SC 13G/A
Thursday, 5/8/2008
TRANSAMERICA INVESTMENT MANAGEMENT LLC: Major Shareholders
SC 13G
Friday, 4/4/2008
ACCIPITER CAPITAL MANAGEMENT, LLC: Major Shareholders
3
Friday, 3/14/2008
Murnane Timothy E: Initial statement of beneficial ownership of securities
SC 13G/A
Monday, 3/10/2008
PRICE T ROWE ASSOCIATES INC /MD/: Major Shareholders
SC 13G/A
Monday, 3/10/2008
BAMCO INC /NY/: Major Shareholders
4
Thursday, 2/21/2008
Berger Paul E: Statement of changes in beneficial ownership of securities
4
Thursday, 2/21/2008
Berger Jon D: Statement of changes in beneficial ownership of securities
4
Thursday, 2/21/2008
MAYLEBEN TIMOTHY M: Statement of changes in beneficial ownership of securities
4
Thursday, 2/21/2008
Cole Glenn R: Statement of changes in beneficial ownership of securities
SC 13G
Thursday, 2/14/2008
TRANSAMERICA INVESTMENT MANAGEMENT LLC: Major Shareholders
SC 13G/A
Thursday, 2/14/2008
FMR LLC: Major Shareholders
SC 13G
Thursday, 2/14/2008
WASATCH ADVISORS INC: Major Shareholders
SC 13G/A
Thursday, 2/14/2008
BAMCO INC /NY/: Major Shareholders
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Prospectus (35)

S-8 POS
Thursday, 12/23/2010
Post-effective amendment to a S-8 registration statement
S-8 POS
Thursday, 12/23/2010
Post-effective amendment to a S-8 registration statement
S-8 POS
Thursday, 12/23/2010
Post-effective amendment to a S-8 registration statement
S-8 POS
Thursday, 12/23/2010
Post-effective amendment to a S-8 registration statement
S-8 POS
Thursday, 12/23/2010
Post-effective amendment to a S-8 registration statement
S-8
Thursday, 2/25/2010
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
SC TO-I/A
Wednesday, 4/15/2009
Issuer tender offer statement
SC TO-I/A
Monday, 3/30/2009
Issuer tender offer statement
SC TO-I/A
Thursday, 3/26/2009
Issuer tender offer statement
SC TO-I
Tuesday, 3/17/2009
Issuer tender offer statement
S-8
Thursday, 2/19/2009
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
S-8
Tuesday, 9/16/2008
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
SC TO-I/A
Thursday, 6/19/2008
Issuer tender offer statement
SC TO-I/A
Monday, 6/16/2008
Issuer tender offer statement
SC TO-I/A
Friday, 5/16/2008
Issuer tender offer statement
SC TO-I
Wednesday, 5/14/2008
Issuer tender offer statement
SC TO-C
Wednesday, 5/7/2008
Written communication relating to an issuer or third party tender offer
S-8
Thursday, 9/27/2007
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
FWP
Thursday, 10/26/2006
Filing under Securities Act Rules 163/433 of free writing prospectuses
424B4
Thursday, 10/26/2006
Prospectus filed pursuant to Rule 424(b)(4)
S-1MEF
Wednesday, 10/25/2006
A new registration statement filed under Rule 462(b) to add securities to a prior related effective registration statement filed on Form S-1
S-1/A
Tuesday, 10/24/2006
General form of registration statement for all companies including face-amount certificate companies
FWP
Monday, 10/23/2006
Filing under Securities Act Rules 163/433 of free writing prospectuses
S-1/A
Wednesday, 10/18/2006
General form of registration statement for all companies including face-amount certificate companies
S-1
Friday, 10/6/2006
General form of registration statement for all companies including face-amount certificate companies
S-8
Tuesday, 4/25/2006
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
FWP
Thursday, 2/9/2006
Filing under Securities Act Rules 163/433 of free writing prospectuses
424B4
Thursday, 2/9/2006
Prospectus filed pursuant to Rule 424(b)(4)
S-1MEF
Wednesday, 2/8/2006
A new registration statement filed under Rule 462(b) to add securities to a prior related effective registration statement filed on Form S-1
S-1/A
Tuesday, 2/7/2006
General form of registration statement for all companies including face-amount certificate companies
S-1/A
Tuesday, 1/24/2006
General form of registration statement for all companies including face-amount certificate companies
S-1/A
Thursday, 12/22/2005
General form of registration statement for all companies including face-amount certificate companies
S-1/A
Friday, 11/25/2005
General form of registration statement for all companies including face-amount certificate companies
S-1/A
Tuesday, 11/8/2005
General form of registration statement for all companies including face-amount certificate companies
S-1
Wednesday, 10/5/2005
General form of registration statement for all companies including face-amount certificate companies
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Proxies (16)

DEFA14A
Wednesday, 12/8/2010
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Wednesday, 11/24/2010
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFM14A
Tuesday, 11/23/2010
Definitive proxy statement relating to a merger, acquisition, or disposition
PRER14A
Thursday, 11/18/2010
Preliminary revised proxy soliciting materials
DEFA14A
Tuesday, 11/9/2010
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Tuesday, 11/9/2010
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
PRER14A
Friday, 11/5/2010
Preliminary revised proxy soliciting materials
PREM14A
Thursday, 10/7/2010
Preliminary proxy statement relating to a merger, acquisition, or disposition
DEFA14A
Monday, 9/27/2010
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEFA14A
Monday, 9/27/2010
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Friday, 3/19/2010
Definitive proxy statements
DEFA14A
Friday, 3/19/2010
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Thursday, 3/5/2009
Definitive proxy statements
DEFA14A
Thursday, 3/5/2009
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Friday, 3/14/2008
Definitive proxy statements
DEF 14A
Wednesday, 4/11/2007
Definitive proxy statements
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