Ownership & Insider Lab

Look up a company to review current SEC-traceable insider positions, exact reporting-owner relationships across other published companies, a dated chronology of the published ownership evidence, and recent supported insider transactions where transaction history is separately available.
Coverage follows the existing reviewed company dataset and fails closed when a ticker is not currently supported.

SEMTECH CORP (SMTC)

Nasdaq · SEC CIK 0000088941

$12.03MCovered current disclosed holdings
2Covered reporting owners
2Covered direct positions
2Source ownership filings

This is the supported SEC-traceable subset, not total insider ownership or personal wealth. Values reflect the current disclosed positions Grizzly Bulls can resolve and value. Latest source filing: Sep 14, 2026 · values through Sep 25, 2026.

Covered reporting owners

Filter the reporting-owner snapshot by holder, role, or security. Position values are shown only where the current reviewed data supports them.

2 shown
HolderRolePositionCurrent valueLatest filing
Hong Q. HouResearch disclosed relationshipsPresident and CEO · Director64,792 sharesCommon Stock par value $0.01 per share$11.81MSep 14, 2026
Asaf SilbersteinResearch disclosed relationshipsEVP and COO1,198 sharesCommon Stock par value $0.01 per share$218.4KSep 14, 2026

Reporting-owner research graph

These relationships are joined only when the same single SEC reporting-owner CIK appears unambiguously across the publication-authorized company ownership universe. Name similarity is never used to create a relationship.

This graph is bounded to the company ownership relationships currently published by Grizzly Bulls. It is not a complete employment, board, ownership, portfolio, or wealth history, and a missing relationship does not establish that none exists.

SEC transaction evidence ledger

Each row preserves the reviewed SEC transaction evidence, including the effective-date basis, amendment state, reported post-transaction position when present, and a separately published current covered owner/security position when one can be matched uniquely. Reported price is shown when present. The lab does not calculate gross proceeds, reconstruct balances between filings, or treat historical transactions as current wealth.

12 shown
Effective dateHolderActionSecurityUnitsReported priceReported position after transactionCurrent covered positionFiling
Sep 10, 2026Transaction dateAsaf SilbersteinResearch disclosed relationshipsDispositionSEC code FCommon Stock par value $0.01 per share1,241 shares$163.941,198 shares1,198 sharesOwner coverage latest filing Sep 14, 20264Filed Sep 14, 2026
Sep 10, 2026Transaction dateAsaf SilbersteinResearch disclosed relationshipsAcquisitionSEC code MCommon Stock par value $0.01 per share2,439 shares$02,439 shares1,198 sharesOwner coverage latest filing Sep 14, 20264Filed Sep 14, 2026
Sep 10, 2026Transaction dateHong Q. HouResearch disclosed relationshipsDispositionSEC code FCommon Stock par value $0.01 per share4,137 shares$163.9464,792 shares64,792 sharesOwner coverage latest filing Sep 14, 20264Filed Sep 14, 2026
Sep 10, 2026Transaction dateHong Q. HouResearch disclosed relationshipsAcquisitionSEC code MCommon Stock par value $0.01 per share8,130 shares$068,929 shares64,792 sharesOwner coverage latest filing Sep 14, 20264Filed Sep 14, 2026
Sep 4, 2026Transaction dateHong Q. HouResearch disclosed relationshipsSaleSEC code SCommon Stock par value $0.01 per share2,000 shares$138.7160,799 shares64,792 sharesOwner coverage latest filing Sep 14, 20264Filed Sep 9, 2026
Aug 7, 2026Transaction dateHong Q. HouResearch disclosed relationshipsSaleSEC code SCommon Stock par value $0.01 per share2,000 shares$14062,799 shares64,792 sharesOwner coverage latest filing Sep 14, 20264Filed Aug 11, 2026
Jul 10, 2026Transaction dateHong Q. HouResearch disclosed relationshipsSaleSEC code SCommon Stock par value $0.01 per share2,000 shares$13364,799 shares64,792 sharesOwner coverage latest filing Sep 14, 20264Filed Jul 14, 2026
Jul 1, 2026Transaction dateAsaf SilbersteinResearch disclosed relationshipsDispositionSEC code GCommon Stock par value $0.01 per share38,866 shares$00 shares1,198 sharesOwner coverage latest filing Sep 14, 20264Filed Jul 6, 2026
Jul 1, 2026Transaction dateHong Q. HouResearch disclosed relationshipsDispositionSEC code FCommon Stock par value $0.01 per share3,300 shares$161.8566,799 shares64,792 sharesOwner coverage latest filing Sep 14, 20264Filed Jul 6, 2026
Jul 1, 2026Transaction dateHong Q. HouResearch disclosed relationshipsAcquisitionSEC code MCommon Stock par value $0.01 per share6,484 shares$070,099 shares64,792 sharesOwner coverage latest filing Sep 14, 20264Filed Jul 6, 2026
Jun 29, 2026Transaction dateHong Q. HouResearch disclosed relationshipsSaleSEC code SCommon Stock par value $0.01 per share2,286 shares$152.993363,615 shares64,792 sharesOwner coverage latest filing Sep 14, 20264Filed Jul 1, 2026
Jun 29, 2026Transaction dateHong Q. HouResearch disclosed relationshipsSaleSEC code SCommon Stock par value $0.01 per share7,319 shares$152.434165,901 shares64,792 sharesOwner coverage latest filing Sep 14, 20264Filed Jul 1, 2026

A reported post-transaction position is the balance stated in that historical transaction filing. A current covered position is a separate latest owner/security observation and may reflect later filings or activity. They are shown side by side as evidence points, not as a reconstructed continuous ledger.

Published 12 of 12 source candidates under the current reviewed security-resolution rules.

Covered securities

SecurityInstrument familyCovered positionsCovered value
Common Stock par value $0.01 per shareordinary-share2$12.03M

Coverage and interpretation

Current holdings: direct positions that the reviewed ownership data can trace to an exact reporting owner, legal security, and current-basis quantity.

Current value: the existing published company-position valuation. This lab does not recalculate security values or infer missing positions.

Transaction evidence: historical flow observations with filing provenance. Reported post-transaction balances and current covered positions are separate evidence points; the lab does not interpolate ownership between them.

Reporting-owner graph: exact reporting-owner CIK relationships across the published company universe. It does not merge people by name or create a complete personal history.

Not included here: a claim of total insider ownership, total personal wealth, institutional 13F ownership, a transaction-value estimate, an insider sentiment score, or an investment recommendation.

Published ownership evidence chronology

This sequence orders only the ownership evidence already published by Grizzly Bulls for the exact reporting-owner relationships above. Transaction rows are ordered by filing date while preserving the separate economic effective date and its basis. Current covered snapshots remain separate latest observations.

The chronology does not interpolate ownership between entries, infer missing activity, pair an amended filing with an assumed parent, infer amendment supersession, or treat a current covered snapshot as proof of continuous ownership.

Asaf Silberstein

SEC reporting-owner CIK 0001514954 · 1 published relationship company

SEC owner filings
Evidence dateCompanyObservationSecurity / positionSource
Sep 14, 2026Latest represented filing dateSEMTECH CORP (SMTC)NasdaqCurrent covered snapshotEVP and COOValuation observation Sep 25, 2026Common Stock par value $0.01 per share: 1,198 sharesCurrent covered company value: $218.4KPublished current ownership snapshotForms represented: 4Owner filingsIssuer filings
Sep 14, 2026Filed dateSEMTECH CORP (SMTC)NasdaqAcquisitionSEC code MEffective Sep 10, 2026 · transaction dateReported units 2,439 shares · reported price 0Common Stock par value $0.01 per shareReported position after transaction: 2,439 shares4 filing0001514954-26-000033
Sep 14, 2026Filed dateSEMTECH CORP (SMTC)NasdaqDispositionSEC code FEffective Sep 10, 2026 · transaction dateReported units 1,241 shares · reported price 163.94Common Stock par value $0.01 per shareReported position after transaction: 1,198 shares4 filing0001514954-26-000033
Jul 6, 2026Filed dateSEMTECH CORP (SMTC)NasdaqDispositionSEC code GEffective Jul 1, 2026 · transaction dateReported units 38,866 shares · reported price 0Common Stock par value $0.01 per shareReported position after transaction: 0 shares4 filing0001514954-26-000025

Company-level recent transaction history is published for 1 of 1 relationship companies in this graph; 3 published transaction rows for this exact reporting-owner CIK appear in the chronology. 1 relationship company is at the current public transaction-row limit; that does not prove additional rows exist.

Hong Q. Hou

SEC reporting-owner CIK 0001156899 · 1 published relationship company

SEC owner filings
Evidence dateCompanyObservationSecurity / positionSource
Sep 14, 2026Latest represented filing dateSEMTECH CORP (SMTC)NasdaqCurrent covered snapshotPresident and CEO · DirectorValuation observation Sep 25, 2026Common Stock par value $0.01 per share: 64,792 sharesCurrent covered company value: $11.81MPublished current ownership snapshotForms represented: 4Owner filingsIssuer filings
Sep 14, 2026Filed dateSEMTECH CORP (SMTC)NasdaqAcquisitionSEC code MEffective Sep 10, 2026 · transaction dateReported units 8,130 shares · reported price 0Common Stock par value $0.01 per shareReported position after transaction: 68,929 shares4 filing0001156899-26-000033
Sep 14, 2026Filed dateSEMTECH CORP (SMTC)NasdaqDispositionSEC code FEffective Sep 10, 2026 · transaction dateReported units 4,137 shares · reported price 163.94Common Stock par value $0.01 per shareReported position after transaction: 64,792 shares4 filing0001156899-26-000033
Sep 9, 2026Filed dateSEMTECH CORP (SMTC)NasdaqSaleSEC code SEffective Sep 4, 2026 · transaction dateReported units 2,000 shares · reported price 138.71Common Stock par value $0.01 per shareReported position after transaction: 60,799 shares4 filing0001156899-26-000031
Aug 11, 2026Filed dateSEMTECH CORP (SMTC)NasdaqSaleSEC code SEffective Aug 7, 2026 · transaction dateReported units 2,000 shares · reported price 140Common Stock par value $0.01 per shareReported position after transaction: 62,799 shares4 filing0001156899-26-000029
Jul 14, 2026Filed dateSEMTECH CORP (SMTC)NasdaqSaleSEC code SEffective Jul 10, 2026 · transaction dateReported units 2,000 shares · reported price 133Common Stock par value $0.01 per shareReported position after transaction: 64,799 shares4 filing0001156899-26-000027
Jul 6, 2026Filed dateSEMTECH CORP (SMTC)NasdaqAcquisitionSEC code MEffective Jul 1, 2026 · transaction dateReported units 6,484 shares · reported price 0Common Stock par value $0.01 per shareReported position after transaction: 70,099 shares4 filing0001156899-26-000025
Jul 6, 2026Filed dateSEMTECH CORP (SMTC)NasdaqDispositionSEC code FEffective Jul 1, 2026 · transaction dateReported units 3,300 shares · reported price 161.85Common Stock par value $0.01 per shareReported position after transaction: 66,799 shares4 filing0001156899-26-000025
Jul 1, 2026Filed dateSEMTECH CORP (SMTC)NasdaqSaleSEC code SEffective Jun 29, 2026 · transaction dateReported units 7,319 shares · reported price 152.4341Common Stock par value $0.01 per shareReported position after transaction: 65,901 shares4 filing0001156899-26-000023
Jul 1, 2026Filed dateSEMTECH CORP (SMTC)NasdaqSaleSEC code SEffective Jun 29, 2026 · transaction dateReported units 2,286 shares · reported price 152.9933Common Stock par value $0.01 per shareReported position after transaction: 63,615 shares4 filing0001156899-26-000023

Company-level recent transaction history is published for 1 of 1 relationship companies in this graph; 9 published transaction rows for this exact reporting-owner CIK appear in the chronology. 1 relationship company is at the current public transaction-row limit; that does not prove additional rows exist.

Continue this ownership research

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CompanyReporting-owner contextPublished evidenceContinue research
SEMTECH CORP (SMTC)Nasdaq · Current company14Published chronology observationsLatest represented evidence Sep 14, 2026

These are company-level continuation paths, not reporting-owner subscriptions. Saving or watching one company does not automatically save or watch the other companies connected to the same reporting owner, and it does not create an owner-level alert.