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Insider · CIK 0001260818

Lampe Steven

CIK 0001260818 Name as filed on the most recent filing

Filed as Lampe Steven (54)

217 transaction lines · from 54 filings · filed 2003-10-14 to 2012-03-02 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 2026-08-20 05:22 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.

2 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 2026-08-20 05:22 UTC.

Transactions filed by this insider
Direction Date Issuer Code Shares Price Value USD Filing
2009-05-11 Mesa AIR Group Inc
MESA 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-010160
2009-05-08 Mesa AIR Group Inc
MESA 		S, Open-market sale 4,511,990 disposed 0.17 767,038.30 Form 4, filing 0000919574-09-010160
2009-05-08 Mesa AIR Group Inc
MESA 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-010160
2009-05-07 Mesa AIR Group Inc
MESA 		S, Open-market sale 2,051,094 disposed 0.17 348,685.98 Form 4, filing 0000919574-09-010160
2009-05-07 Mesa AIR Group Inc
MESA 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-010160
2009-04-01 Silicon Graphics Inc
SGIC 		S, Open-market sale 428,650 disposed 0.13 55,724.50 Form 4, filing 0000919574-09-008366
2009-04-01 Silicon Graphics Inc
SGIC 		S, Open-market sale 325,000 disposed 0.10 32,500.00 Form 4, filing 0000919574-09-008366
2009-04-01 Silicon Graphics Inc
SGIC 		S, Open-market sale 112,808 disposed 0.11 12,408.88 Form 4, filing 0000919574-09-008366
2009-04-01 Silicon Graphics Inc
SGIC 		S, Open-market sale 62,351 disposed 0.11 6,858.61 Form 4, filing 0000919574-09-008366
2009-04-01 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-008366
2009-04-01 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-008366
2009-04-01 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-008366
2009-03-31 Silicon Graphics Inc
SGIC 		S, Open-market sale 12,175 disposed 0.47 5,722.25 Form 4, filing 0000919574-09-008070
2009-03-30 Silicon Graphics Inc
SGIC 		S, Open-market sale 7,500 disposed 0.48 3,600.00 Form 4, filing 0000919574-09-008070
2009-03-27 Silicon Graphics Inc
SGIC 		S, Open-market sale 12,420 disposed 0.53 6,582.60 Form 4, filing 0000919574-09-008070
2009-03-27 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-008070
2009-03-26 Silicon Graphics Inc
SGIC 		S, Open-market sale 19,180 disposed 0.55 10,549.00 Form 4, filing 0000919574-09-008070
2009-03-26 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-008070
2009-03-24 Silicon Graphics Inc
SGIC 		S, Open-market sale 13,870 disposed 0.55 7,628.50 Form 4, filing 0000919574-09-007683
2009-03-24 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-007683
2009-03-23 Silicon Graphics Inc
SGIC 		S, Open-market sale 3,695 disposed 0.64 2,364.80 Form 4, filing 0000919574-09-007683
2009-03-23 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-007683
2009-03-20 Silicon Graphics Inc
SGIC 		S, Open-market sale 5,008 disposed 0.56 2,804.48 Form 4, filing 0000919574-09-007683
2009-03-20 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-007683
2009-03-17 Silicon Graphics Inc
SGIC 		S, Open-market sale 6,289 disposed 0.56 3,521.84 Form 4, filing 0000919574-09-007307
2009-03-17 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-007307
2009-03-16 Silicon Graphics Inc
SGIC 		S, Open-market sale 11,203 disposed 0.57 6,385.71 Form 4, filing 0000919574-09-007307
2009-03-16 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-007307
2009-03-04 Silicon Graphics Inc
SGIC 		S, Open-market sale 1,700 disposed 1.49 2,533.00 Form 4, filing 0000919574-09-004442
2009-03-04 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-004442
2009-03-03 Silicon Graphics Inc
SGIC 		S, Open-market sale 3,430 disposed 1.48 5,076.40 Form 4, filing 0000919574-09-004442
2009-03-03 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-004442
2009-02-25 Silicon Graphics Inc
SGIC 		S, Open-market sale 4,900 disposed 1.45 7,105.00 Form 4, filing 0000919574-09-004034
2009-02-25 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-004034
2009-02-24 Silicon Graphics Inc
SGIC 		S, Open-market sale 1,052 disposed 1.50 1,578.00 Form 4, filing 0000919574-09-004034
2009-02-24 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-004034
2009-02-19 Silicon Graphics Inc
SGIC 		S, Open-market sale 800 disposed 2.00 1,600.00 Form 4, filing 0000919574-09-003933
2009-02-19 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-003933
2009-02-06 Silicon Graphics Inc
SGIC 		S, Open-market sale 9,400 disposed 2.02 18,988.00 Form 4, filing 0000919574-09-002123
2009-02-06 Silicon Graphics Inc
SGIC 		S, Open-market sale 0 disposed Not reported Not priced Form 4, filing 0000919574-09-002123
2008-11-17 Cadiz Inc
CDZI 		P, Open-market purchase 288,000 acquired Not reported Not priced Form 4, filing 0001181431-08-063319
2008-11-17 Cadiz Inc
CDZI 		P, Open-market purchase 0 acquired Not reported Not priced Form 4, filing 0001181431-08-063319
2008-09-26 ATS Corp
ATCT 		P, Open-market purchase 1,863,600 acquired 1.25 2,329,500.00 Form 4, filing 0000919574-08-005546
2008-09-26 ATS Corp
ATCT 		P, Open-market purchase 200,000 acquired 1.25 250,000.00 Form 4, filing 0000919574-08-005546
2008-09-26 ATS Corp
ATCT 		P, Open-market purchase 0 acquired Not reported Not priced Form 4, filing 0000919574-08-005546
2008-09-25 ATS Corp
ATCT 		P, Open-market purchase 17,000 acquired 1.25 21,250.00 Form 4, filing 0000919574-08-005546
2008-09-25 ATS Corp
ATCT 		P, Open-market purchase 0 acquired Not reported Not priced Form 4, filing 0000919574-08-005546
2008-09-23 ATS Corp
ATCT 		P, Open-market purchase 72,000 acquired 1.40 100,800.00 Form 4, filing 0000919574-08-005257
2008-09-23 ATS Corp
ATCT 		P, Open-market purchase 8,000 acquired 1.40 11,200.00 Form 4, filing 0000919574-08-005257
2008-09-23 ATS Corp
ATCT 		P, Open-market purchase 0 acquired Not reported Not priced Form 4, filing 0000919574-08-005257

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.

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Codes on this page
S, Open-market sale
Open-market sale
P, Open-market purchase
Open-market purchase

Every value is as reported on the Form 4. A price the filing did not report is marked Not reported and no value is computed from it. Codes outside the open market, drawn in grey behind a dashed rule, are compensation and administrative machinery rather than a decision to trade at the prevailing price.

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 2
  • Open-market sale 0
  • 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. LAMPE STEVEN, insider transactions. Retrieved 2026-08-20 from https://ebomi.com/insider/0001260818

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.