Insider · CIK 0001405106

Dubberstein Mark

CIK 0001405106 Name as filed on the most recent filing

Filed as Dubberstein Mark (20)

112 transaction lines · from 20 filings · filed 2008-01-04 to 2011-03-15 The span is the filing dates this catalog holds, not the entity's full filing history. Absence here is not evidence of absence at the SEC.

How this page attributes a trade

A line appears here when the filing that carries it names this CIK as a reporting owner, not only when the parser picked this CIK as the line's primary owner. That is why a joint filing appears on both owners' pages rather than vanishing from the second one. The catalog never merges two CIKs into one person and never splits one CIK into two: identity here is the SEC's own identifier and nothing else.

01

Issuers this insider has filed against

Ordered by last-seen filing date, newest first. Roles are as filed on the Form 4 and are not normalised.

Fault

This container could not be filled from the store. It is showing nothing because a read failed, not because no insider filed: those are different facts and this catalog will not let one stand in for the other. The last ingest the store recorded was 2026-08-22 05:23 UTC.

No issuer is recorded

The catalog holds no filing linking this CIK to an issuer.

02

Transactions

Every stored Form 4 line naming this reporting owner, newest transaction date first. Each row links to the filing it came from.

112 transactions · Newest transaction date first, id breaking the tie.

Fault

This container could not be filled from the store. It is showing nothing because a read failed, not because no insider filed: those are different facts and this catalog will not let one stand in for the other. The last ingest the store recorded was 2026-08-22 05:23 UTC.

Transactions filed by this insider
Direction Date Code Company Value USD Filing
2011-03-14 S, Open-market sale Bronco Drilling Company, Inc.BRNC 122,766, disposed Open Form 4 filing 0001209191-11-018055
2011-03-11 S, Open-market sale Bronco Drilling Company, Inc.BRNC 110,770, disposed Open Form 4 filing 0001209191-11-017380
2011-03-09 S, Open-market sale Bronco Drilling Company, Inc.BRNC 160,056, disposed Open Form 4 filing 0001209191-11-017380
2011-02-17 S, Open-market sale Bronco Drilling Company, Inc.BRNC 244,500, disposed Open Form 4 filing 0001209191-11-011236
2011-01-13 S, Open-market sale Bronco Drilling Company, Inc.BRNC 132,800, disposed Open Form 4 filing 0001140361-11-002999
2010-10-15 S, Open-market sale Bronco Drilling Company, Inc.BRNC 11,174, disposed Open Form 4 filing 0001140361-10-041611
2010-10-14 S, Open-market sale Bronco Drilling Company, Inc.BRNC 47,806, disposed Open Form 4 filing 0001140361-10-041348
2010-10-13 S, Open-market sale Bronco Drilling Company, Inc.BRNC 4,510, disposed Open Form 4 filing 0001140361-10-041348
2010-06-21 S, Open-market sale Bronco Drilling Company, Inc.BRNC 80,806, disposed Open Form 4 filing 0001140361-10-026466
2010-06-15 S, Open-market sale Bronco Drilling Company, Inc.BRNC 60,000, disposed Open Form 4 filing 0001140361-10-025693
2010-05-13 S, Open-market sale Bronco Drilling Company, Inc.BRNC 26,520, disposed Open Form 4 filing 0001140361-10-021386
2010-05-12 S, Open-market sale Bronco Drilling Company, Inc.BRNC 39,870, disposed Open Form 4 filing 0001140361-10-021386
2010-03-01 S, Open-market sale Bronco Drilling Company, Inc.BRNC 71,852, disposed Open Form 4 filing 0001140361-10-008995
2010-02-26 S, Open-market sale Bronco Drilling Company, Inc.BRNC 73,159, disposed Open Form 4 filing 0001140361-10-008995
2010-02-25 S, Open-market sale Bronco Drilling Company, Inc.BRNC 52,865, disposed Open Form 4 filing 0001140361-10-008995
2010-01-04 S, Open-market sale Bronco Drilling Company, Inc.BRNC 42,665, disposed Open Form 4 filing 0001140361-10-000628
2009-03-19 S, Open-market sale Bronco Drilling Company, Inc.BRNC 176,100, disposed Open Form 4 filing 0001140361-09-007743
2009-02-25 S, Open-market sale Bronco Drilling Company, Inc.BRNC 32,935, disposed Open Form 4 filing 0001140361-09-005355
2009-01-05 S, Open-market sale Bronco Drilling Company, Inc.BRNC 47,468, disposed Open Form 4 filing 0001140361-09-000789
2009-01-02 S, Open-market sale Bronco Drilling Company, Inc.BRNC 34,213, disposed Open Form 4 filing 0001140361-09-000668
2008-04-11 S, Open-market sale Bronco Drilling Company, Inc.BRNC 40,850, disposed Open Form 4 filing 0001140361-08-009471
2008-04-08 S, Open-market sale Bronco Drilling Company, Inc.BRNC 6 lines 121,545, disposed Open Form 4 filing 0001140361-08-009242
2008-01-03 S, Open-market sale Bronco Drilling Company, Inc.BRNC 14 lines 30,251, disposed Open Form 4 filing 0001181431-08-001834
2008-01-03 S, Open-market sale Bronco Drilling Company, Inc.BRNC 5,183, disposed Open Form 4 filing 0001181431-08-001832
2008-01-03 S, Open-market sale Bronco Drilling Company, Inc.BRNC 3,603, disposed Open Form 4 filing 0001181431-08-001832
2008-01-03 S, Open-market sale Bronco Drilling Company, Inc.BRNC 3,040, disposed Open Form 4 filing 0001181431-08-001832
2008-01-03 S, Open-market sale Bronco Drilling Company, Inc.BRNC 2,677, disposed Open Form 4 filing 0001181431-08-001832
2008-01-03 S, Open-market sale Bronco Drilling Company, Inc.BRNC 1,521, disposed Open Form 4 filing 0001181431-08-001832
2008-01-03 S, Open-market sale Bronco Drilling Company, Inc.BRNC 1,223, disposed Open Form 4 filing 0001181431-08-001832
2008-01-03 S, Open-market sale Bronco Drilling Company, Inc.BRNC 1,200, disposed Open Form 4 filing 0001181431-08-001832
2008-01-03 S, Open-market sale Bronco Drilling Company, Inc.BRNC 909, disposed Open Form 4 filing 0001181431-08-001832
2008-01-03 S, Open-market sale Bronco Drilling Company, Inc.BRNC 833, disposed Open Form 4 filing 0001181431-08-001832

This column is intentionally blank

No transaction line is stored for this reporting owner, though the catalog holds filings naming them. That happens when the filings report only holdings or only positions the store does not carry, and when a parse failed; each filing page states its own parse status.

Codes on this page
S, Open-market sale
Open-market sale
Relationships on this page
O, Officer
Officer

Every value is as reported on the Form 4, totalled to the dollar. Share counts, the price per share and the full list of reporting owners are on each filing's own page, which every row here opens. A row marked n lines adds up that many filed lines of one filing, on one day, on one side of the market; a filing whose lines fall across two pages is left as its lines on both, so no total here is ever short.

What this insider's stored lines contain

Exact counts over every stored line for this entity. This is a statement of composition, not a filter: the only filter this page offers is the open-market one above, because that is the only one an index serves today.

  • Open-market purchase 0
  • Open-market sale 112
  • Option exercise 0
  • Grant or award 0
  • Tax withholding 0
  • Disposition to the issuer 0
  • In-the-money option exercise 0

How to cite this page

ebomi catalog. Dubberstein Mark, insider transactions. Retrieved 2026-08-22 from https://ebomi.com/insider/0001405106

Balogh, A. Insider trading. Scientific Data 10, 237 (2023) doi:10.1038/s41597-023-02147-6

This page as JSON The JSON twin is shaped by the same read model as this page, so the two cannot disagree. Its envelope carries the canonical URL, the retrieval time, the coverage claim, and the licence statement.