Insider · CIK 0001405106

Dubberstein Mark

Reports to the SEC for 1 company · EDMOND, OK

sec.gov

Transactions

Companies

Filings

CIK

0001405106

Forms 4 and 5

Insider transactions

50 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2011-06-03	Bronco Drilling Company, Inc.U Disposition from Tender	President	UDisposition from Tender	−290K sh	$11.00	−$3.19M	0
2011-03-14	Bronco Drilling Company, Inc.S Sale	President	SSale	−12.1K sh	$10.11	−$123K	289,749
2011-03-11	Bronco Drilling Company, Inc.S Sale	President	SSale	−11K sh	$10.07	−$111K	301,892
2011-03-09	Bronco Drilling Company, Inc.S Sale	President	SSale	−15.6K sh	$10.26	−$160K	312,892
2011-02-25	Bronco Drilling Company, Inc.F Tax Payment	President	FTax Payment	−40.3K sh	$8.79	−$354K	328,492
2011-02-17	Bronco Drilling Company, Inc.S Sale	President	SSale	−30K sh	$8.15	−$245K	368,796
2011-01-13	Bronco Drilling Company, Inc.S Sale	President	SSale	−20K sh	$6.64	−$133K	398,796
2011-01-12	Bronco Drilling Company, Inc.A Award	President	AAward	+103K sh	—	—	418,796
2010-10-15	Bronco Drilling Company, Inc.S Sale	President	SSale	−2,483 sh	$4.50	−$11.2K	316,096
2010-10-14	Bronco Drilling Company, Inc.S Sale	President	SSale	−10.6K sh	$4.51	−$47.8K	318,579
2010-10-13	Bronco Drilling Company, Inc.S Sale	President	SSale	−1,000 sh	$4.51	−$4,510	329,179
2010-06-21	Bronco Drilling Company, Inc.S Sale	President	SSale	−17.9K sh	$4.51	−$80.8K	330,179
2010-06-15	Bronco Drilling Company, Inc.S Sale	President	SSale	−15K sh	$4.00	−$60K	348,096
2010-05-13	Bronco Drilling Company, Inc.S Sale	President	SSale	−6,000 sh	$4.42	−$26.5K	363,096
2010-05-12	Bronco Drilling Company, Inc.S Sale	President	SSale	−9,000 sh	$4.43	−$39.9K	369,096
2010-04-19	Bronco Drilling Company, Inc.A Award	President	AAward	+330K sh	—	—	378,096
2010-03-01	Bronco Drilling Company, Inc.S Sale	President	SSale	−14.2K sh	$5.06	−$71.9K	48,096
2010-02-26	Bronco Drilling Company, Inc.S Sale	President	SSale	−14.9K sh	$4.91	−$73.2K	62,296
2010-02-25	Bronco Drilling Company, Inc.S Sale	President	SSale	−10.9K sh	$4.85	−$52.9K	77,196
2010-01-04	Bronco Drilling Company, Inc.S Sale	President	SSale	−8,333 sh	$5.12	−$42.7K	88,096
2009-03-19	Bronco Drilling Company, Inc.S Sale	President	SSale	−30K sh	$5.87	−$176K	96,429
2009-02-25	Bronco Drilling Company, Inc.S Sale	President	SSale	−6,667 sh	$4.94	−$32.9K	126,429
2009-01-30	Bronco Drilling Company, Inc.A Award	President	AAward	+71.4K sh	—	—	133,096
2009-01-05	Bronco Drilling Company, Inc.S Sale	President	SSale	−7,859 sh	$6.04	−$47.5K	61,667
2009-01-02	Bronco Drilling Company, Inc.S Sale	President	SSale	−5,474 sh	$6.25	−$34.2K	69,526
2008-04-11	Bronco Drilling Company, Inc.S Sale	President	SSale	−2,500 sh	$16.34	−$40.9K	75,000
2008-04-08	Bronco Drilling Company, Inc.S Sale	President	SSale	−1,200 sh	$16.19	−$19.4K	83,800
2008-04-08	Bronco Drilling Company, Inc.S Sale	President	SSale	−3,100 sh	$16.20	−$50.2K	80,700
2008-04-08	Bronco Drilling Company, Inc.S Sale	President	SSale	−1,800 sh	$16.21	−$29.2K	78,900
2008-04-08	Bronco Drilling Company, Inc.S Sale	President	SSale	−500 sh	$16.22	−$8,110	78,400
2008-04-08	Bronco Drilling Company, Inc.S Sale	President	SSale	−700 sh	$16.23	−$11.4K	77,700
2008-04-08	Bronco Drilling Company, Inc.S Sale	President	SSale	−200 sh	$16.24	−$3,248	77,500
2008-01-18	Bronco Drilling Company, Inc.A Award	President	AAward	+33.3K sh	—	—	85,000
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−176 sh	$15.21	−$2,676.96	61,255
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−20 sh	$15.25	−$305	61,235
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−235 sh	$15.33	−$3,602.55	61,000
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−40 sh	$15.35	−$614	60,960
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−337 sh	$15.38	−$5,183.06	60,623
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−78 sh	$15.39	−$1,200.42	60,545
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−59 sh	$15.41	−$909.19	60,486
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−54 sh	$15.42	−$832.68	60,432
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−79 sh	$15.48	−$1,222.92	60,353
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−20 sh	$15.49	−$309.8	60,333
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−39 sh	$15.50	−$604.5	60,294
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−196 sh	$15.51	−$3,039.96	60,098
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−98 sh	$15.52	−$1,520.96	60,000
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−98 sh	$14.99	−$1,469.02	63,340
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−147 sh	$15.00	−$2,205	63,193
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−147 sh	$15.01	−$2,206.47	63,046
2008-01-03	Bronco Drilling Company, Inc.S Sale	President	SSale	−139 sh	$15.04	−$2,090.56	62,907

Recent filings

Accepted (ET)
Jun 74
Dubberstein Mark0001209191-11-033551
SEC(opens sec.gov)
Mar 154
Dubberstein Mark0001209191-11-018055
SEC(opens sec.gov)
Mar 114
Dubberstein Mark0001209191-11-017380
SEC(opens sec.gov)
Mar 14
Dubberstein Mark0001209191-11-013783
SEC(opens sec.gov)
Feb 184
Dubberstein Mark0001209191-11-011236
SEC(opens sec.gov)
Jan 144
Dubberstein Mark0001140361-11-002999
SEC(opens sec.gov)
Oct 194
Dubberstein Mark0001140361-10-041611
SEC(opens sec.gov)
Oct 154
Dubberstein Mark0001140361-10-041348
SEC(opens sec.gov)
Jun 224
Dubberstein Mark0001140361-10-026466
SEC(opens sec.gov)
Jun 164
Dubberstein Mark0001140361-10-025693
SEC(opens sec.gov)
May 144
Dubberstein Mark0001140361-10-021386
SEC(opens sec.gov)
Apr 214
Dubberstein Mark0001140361-10-017120
SEC(opens sec.gov)
Mar 14
Dubberstein Mark0001140361-10-008995
SEC(opens sec.gov)
Jan 54
Dubberstein Mark0001140361-10-000628
SEC(opens sec.gov)

Companies

Bronco Drilling Company, Inc.President

Address

16217 NORTH MAY AVENUE

EDMOND, OK, 73013