Insider · CIK 0001449213

Polacek Michael S.

CIK 0001449213 Name as filed on the most recent filing

Filed as Polacek Michael S. (21)

21 transaction lines · from 21 filings · filed 2009-06-02 to 2019-06-04 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.

21 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
2019-06-04 P, Open-market purchase Knowles CorpKN 15,286, acquired Open Form 4 filing 0001127602-19-020775
2019-05-07 P, Open-market purchase Knowles CorpKN 15,000, acquired Open Form 4 filing 0001127602-19-017630
2019-04-04 P, Open-market purchase Knowles CorpKN 15,004, acquired Open Form 4 filing 0001127602-19-014946
2019-03-04 P, Open-market purchase Knowles CorpKN 15,075, acquired Open Form 4 filing 0001127602-19-009577
2019-02-04 P, Open-market purchase Knowles CorpKN 15,049, acquired Open Form 4 filing 0001127602-19-003725
2019-01-04 P, Open-market purchase Knowles CorpKN 15,005, acquired Open Form 4 filing 0001127602-19-001488
2018-12-04 P, Open-market purchase Knowles CorpKN 14,915, acquired Open Form 4 filing 0001127602-18-035075
2018-11-06 P, Open-market purchase Knowles CorpKN 14,992, acquired Open Form 4 filing 0001127602-18-032408
2018-10-04 P, Open-market purchase Knowles CorpKN 14,929, acquired Open Form 4 filing 0001127602-18-029600
2018-09-04 P, Open-market purchase Knowles CorpKN 14,985, acquired Open Form 4 filing 0001127602-18-026850
2018-07-26 P, Open-market purchase Knowles CorpKN 29,902, acquired Open Form 4 filing 0001127602-18-023965
2018-06-01 P, Open-market purchase Knowles CorpKN 14,872, acquired Open Form 4 filing 0001127602-18-019504
2018-05-01 P, Open-market purchase Knowles CorpKN 14,848, acquired Open Form 4 filing 0001127602-18-016214
2018-04-02 P, Open-market purchase Knowles CorpKN 14,560, acquired Open Form 4 filing 0001127602-18-013420
2018-03-01 P, Open-market purchase Knowles CorpKN 14,830, acquired Open Form 4 filing 0001127602-18-010032
2018-02-01 P, Open-market purchase Knowles CorpKN 14,830, acquired Open Form 4 filing 0001127602-18-003649
2018-01-02 P, Open-market purchase Knowles CorpKN 14,883, acquired Open Form 4 filing 0001127602-18-001067
2017-12-01 P, Open-market purchase Knowles CorpKN 14,861, acquired Open Form 4 filing 0001127602-17-033770
2017-11-08 P, Open-market purchase Knowles CorpKN 14,963, acquired Open Form 4 filing 0001127602-17-031839
2017-08-04 P, Open-market purchase Knowles CorpKN 49,988, acquired Open Form 4 filing 0001127602-17-025264
2009-06-01 S, Open-market sale National Semiconductor CorpNSM 189,000, disposed Open Form 4 filing 0000070530-09-000022

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
P, Open-market purchase
Open-market purchase
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.

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 20
  • Open-market sale 1
  • 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. Polacek Michael S., insider transactions. Retrieved 2026-08-22 from https://ebomi.com/insider/0001449213

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

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