84 results
Page 4 of 5
424B3
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22 Apr 14
Prospectus supplement
12:00am
8-K
EX-10.1
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6 Jan 14
Entry into a Material Definitive Agreement
12:00am
S-3ASR
EX-4.6
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22 Mar 13
Automatic shelf registration
12:00am
424B3
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2 Jul 12
Prospectus supplement
12:00am
8-K
EX-4.2
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30 Apr 12
Entry into a Material Definitive Agreement
12:00am
DEF 14A
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6 Apr 12
Definitive proxy
12:00am
8-K
EX-10.6
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22 Dec 11
Laredo Petroleum Holdings, Inc. Closes Initial Public Offering and Exercise of Underwriters’ Option to Purchase Additional Shares
12:00am
8-K
EX-10.4
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22 Dec 11
Laredo Petroleum Holdings, Inc. Closes Initial Public Offering and Exercise of Underwriters’ Option to Purchase Additional Shares
12:00am
8-K
EX-1.1
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16 Dec 11
Laredo Petroleum Holdings, Inc. Prices Initial Public Offering
12:00am
424B4
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15 Dec 11
Prospectus supplement with pricing info
12:00am
424B3
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13 Dec 11
Prospectus supplement
12:00am
424A
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30 Nov 11
Prospectus with significant changes
12:00am
S-1/A
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11 Oct 11
IPO registration (amended)
12:00am