Unit Drilling Co

Related Filers (14)

Other (6)

POSASR
Tuesday, 7/17/2018
Post-effective Amendment to an automatic shelf registration statement on Form S-3ASR or Form F-3ASR
EFFECT
Friday, 3/25/2016
Notice of Effectiveness
POS AM
Wednesday, 3/16/2016
Post-effective amendment to a registration statement that is not immediately effective upon filing
POSASR
Tuesday, 2/16/2016
Post-effective Amendment to an automatic shelf registration statement on Form S-3ASR or Form F-3ASR
EFFECT
Thursday, 11/29/2012
Notice of Effectiveness
305B2
Wednesday, 5/18/2011
Application for designation of a new trustee under the Trust Indenture Act
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Prospectus (15)

424B3
Monday, 2/3/2020
Prospectus filed pursuant to Rule 424(b)(3)
424B3
Monday, 1/13/2020
Prospectus filed pursuant to Rule 424(b)(3)
424B3
Monday, 12/16/2019
Prospectus filed pursuant to Rule 424(b)(3)
424B3
Monday, 12/2/2019
Prospectus filed pursuant to Rule 424(b)(3)
S-4/A
Wednesday, 11/27/2019
Registration of securities issued in business combination transactions
424B3
Tuesday, 11/26/2019
Prospectus filed pursuant to Rule 424(b)(3)
S-4/A
Tuesday, 11/12/2019
Registration of securities issued in business combination transactions
S-4
Tuesday, 11/5/2019
Registration of securities issued in business combination transactions
S-3ASR
Wednesday, 3/14/2018
Automatic shelf registration statement of securities of well-known seasoned issuers
S-3ASR
Tuesday, 3/24/2015
Automatic shelf registration statement of securities of well-known seasoned issuers
424B3
Thursday, 11/29/2012
Prospectus filed pursuant to Rule 424(b)(3)
S-4
Tuesday, 11/13/2012
Registration of securities issued in business combination transactions
424B2
Thursday, 5/12/2011
Prospectus filed pursuant to Rule 424(b)(2)
S-3ASR
Tuesday, 5/3/2011
Automatic shelf registration statement of securities of well-known seasoned issuers
424B5
Tuesday, 5/3/2011
Prospectus filed pursuant to Rule 424(b)(5)
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