Nasdaq · SEC CIK 0001047127
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: Jul 31, 2026 · values through Sep 25, 2026.
Filter the reporting-owner snapshot by holder, role, or security. Position values are shown only where the current reviewed data supports them.
| Holder | Role | Position | Current value | Latest filing |
|---|---|---|---|---|
| James J. KimResearch disclosed relationships | 10% owner · Member of 10% owner group (5) | 511,645 sharesCommon Stock, $0.001 par value | $27.44M | Jul 22, 2026 |
| Winston J. ChurchillResearch disclosed relationships | Director | 28,681 sharesCommon Stock, $0.001 par value | $1.54M | Jul 31, 2026 |
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.
SEC reporting-owner CIK 0001158839 · 1 published company relationship
| Company | SEC relationship | Covered position | Current covered value | Latest filing | Research |
|---|---|---|---|---|---|
| AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq · Current company | 10% owner · Member of 10% owner group (5) | 511,645 sharesCommon Stock, $0.001 par value | $27.44M | Jul 22, 2026 |
SEC reporting-owner CIK 0000923792 · 1 published company relationship
| Company | SEC relationship | Covered position | Current covered value | Latest filing | Research |
|---|---|---|---|---|---|
| AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq · Current company | Director | 28,681 sharesCommon Stock, $0.001 par value | $1.54M | Jul 31, 2026 |
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.
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.
| Effective date | Holder | Action | Security | Units | Reported price | Reported position after transaction | Current covered position | Filing |
|---|---|---|---|---|---|---|---|---|
| Jul 30, 2026Transaction date | Winston J. ChurchillResearch disclosed relationships | DispositionSEC code G | Common Stock, $0.001 par value | 100 shares | $0 | 28,681 shares | 28,681 sharesOwner coverage latest filing Jul 31, 2026 | 4Filed Jul 31, 2026 |
| Jul 20, 2026Transaction date | James J. KimResearch disclosed relationships | AcquisitionSEC code M | Common Stock, $0.001 par value | 250,000 shares | $9.48 | 511,645 shares | 511,645 sharesOwner coverage latest filing Jul 22, 2026 | 4Filed Jul 22, 2026 |
| Jul 20, 2026Transaction date | James J. KimResearch disclosed relationships | AcquisitionSEC code M | Common Stock, $0.001 par value | 200,000 shares | $9.86 | 261,645 shares | 511,645 sharesOwner coverage latest filing Jul 22, 2026 | 4Filed Jul 22, 2026 |
| May 5, 2015Transaction date | Winston J. ChurchillResearch disclosed relationships | AcquisitionSEC code A | Common Stock, $0.001 par value | 5,873 shares | $0 | 6,994 shares | 28,681 sharesOwner coverage latest filing Jul 31, 2026 | 4Filed May 6, 2015 |
| May 6, 2004Transaction date | Winston J. ChurchillResearch disclosed relationships | PurchaseSEC code P | Common Stock, $0.001 par value | 540 shares | $8.94 | 21,200 shares | 28,681 sharesOwner coverage latest filing Jul 31, 2026 | 4Filed May 7, 2004 |
| May 6, 2004Transaction date | Winston J. ChurchillResearch disclosed relationships | PurchaseSEC code P | Common Stock, $0.001 par value | 760 shares | $8.96 | 20,660 shares | 28,681 sharesOwner coverage latest filing Jul 31, 2026 | 4Filed May 7, 2004 |
| May 6, 2004Transaction date | Winston J. ChurchillResearch disclosed relationships | PurchaseSEC code P | Common Stock, $0.001 par value | 900 shares | $8.95 | 19,900 shares | 28,681 sharesOwner coverage latest filing Jul 31, 2026 | 4Filed May 7, 2004 |
| May 6, 2004Transaction date | Winston J. ChurchillResearch disclosed relationships | PurchaseSEC code P | Common Stock, $0.001 par value | 500 shares | $8.93 | 19,000 shares | 28,681 sharesOwner coverage latest filing Jul 31, 2026 | 4Filed May 7, 2004 |
| May 5, 2004Transaction date | Winston J. ChurchillResearch disclosed relationships | PurchaseSEC code P | Common Stock, $0.001 par value | 200 shares | $8.86 | 18,500 shares | 28,681 sharesOwner coverage latest filing Jul 31, 2026 | 4Filed May 7, 2004 |
| May 5, 2004Transaction date | Winston J. ChurchillResearch disclosed relationships | PurchaseSEC code P | Common Stock, $0.001 par value | 230 shares | $8.89 | 18,300 shares | 28,681 sharesOwner coverage latest filing Jul 31, 2026 | 4Filed May 7, 2004 |
| May 5, 2004Transaction date | Winston J. ChurchillResearch disclosed relationships | PurchaseSEC code P | Common Stock, $0.001 par value | 400 shares | $8.88 | 18,070 shares | 28,681 sharesOwner coverage latest filing Jul 31, 2026 | 4Filed May 7, 2004 |
| May 5, 2004Transaction date | Winston J. ChurchillResearch disclosed relationships | PurchaseSEC code P | Common Stock, $0.001 par value | 500 shares | $8.87 | 17,670 shares | 28,681 sharesOwner coverage latest filing Jul 31, 2026 | 4Filed May 7, 2004 |
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 15 source candidates under the current reviewed security-resolution rules.
| Security | Instrument family | Covered positions | Covered value |
|---|---|---|---|
| Common Stock, $0.001 par value | ordinary-share | 2 | $28.98M |
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.
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.
| Evidence date | Company | Observation | Security / position | Source |
|---|---|---|---|---|
| Jul 22, 2026Latest represented filing date | AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq | Current covered snapshot10% owner · Member of 10% owner group (5)Valuation observation Sep 25, 2026 | Common Stock, $0.001 par value: 511,645 sharesCurrent covered company value: $27.44M | Published current ownership snapshotForms represented: 4Owner filingsIssuer filings |
| Jul 22, 2026Filed date | AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq | AcquisitionSEC code MEffective Jul 20, 2026 · transaction dateReported units 200,000 shares · reported price 9.86 | Common Stock, $0.001 par valueReported position after transaction: 261,645 shares | 4 filing0001158839-26-000001 |
| Jul 22, 2026Filed date | AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq | AcquisitionSEC code MEffective Jul 20, 2026 · transaction dateReported units 250,000 shares · reported price 9.48 | Common Stock, $0.001 par valueReported position after transaction: 511,645 shares | 4 filing0001158839-26-000001 |
Company-level recent transaction history is published for 1 of 1 relationship companies in this graph; 2 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.
| Evidence date | Company | Observation | Security / position | Source |
|---|---|---|---|---|
| Jul 31, 2026Latest represented filing date | AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq | Current covered snapshotDirectorValuation observation Sep 25, 2026 | Common Stock, $0.001 par value: 28,681 sharesCurrent covered company value: $1.54M | Published current ownership snapshotForms represented: 4Owner filingsIssuer filings |
| Jul 31, 2026Filed date | AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq | DispositionSEC code GEffective Jul 30, 2026 · transaction dateReported units 100 shares · reported price 0 | Common Stock, $0.001 par valueReported position after transaction: 28,681 shares | 4 filing0001628280-26-051439 |
| May 6, 2015Filed date | AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq | AcquisitionSEC code AEffective May 5, 2015 · transaction dateReported units 5,873 shares · reported price 0 | Common Stock, $0.001 par valueReported position after transaction: 6,994 shares | 4 filing0001209191-15-039160 |
| May 7, 2004Filed date | AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq | PurchaseSEC code PEffective May 6, 2004 · transaction dateReported units 540 shares · reported price 8.94 | Common Stock, $0.001 par valueReported position after transaction: 21,200 shares | 4 filing0001209191-04-024345 |
| May 7, 2004Filed date | AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq | PurchaseSEC code PEffective May 5, 2004 · transaction dateReported units 500 shares · reported price 8.87 | Common Stock, $0.001 par valueReported position after transaction: 17,670 shares | 4 filing0001209191-04-024345 |
| May 7, 2004Filed date | AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq | PurchaseSEC code PEffective May 5, 2004 · transaction dateReported units 400 shares · reported price 8.88 | Common Stock, $0.001 par valueReported position after transaction: 18,070 shares | 4 filing0001209191-04-024345 |
| May 7, 2004Filed date | AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq | PurchaseSEC code PEffective May 5, 2004 · transaction dateReported units 230 shares · reported price 8.89 | Common Stock, $0.001 par valueReported position after transaction: 18,300 shares | 4 filing0001209191-04-024345 |
| May 7, 2004Filed date | AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq | PurchaseSEC code PEffective May 5, 2004 · transaction dateReported units 200 shares · reported price 8.86 | Common Stock, $0.001 par valueReported position after transaction: 18,500 shares | 4 filing0001209191-04-024345 |
| May 7, 2004Filed date | AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq | PurchaseSEC code PEffective May 6, 2004 · transaction dateReported units 500 shares · reported price 8.93 | Common Stock, $0.001 par valueReported position after transaction: 19,000 shares | 4 filing0001209191-04-024345 |
| May 7, 2004Filed date | AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq | PurchaseSEC code PEffective May 6, 2004 · transaction dateReported units 900 shares · reported price 8.95 | Common Stock, $0.001 par valueReported position after transaction: 19,900 shares | 4 filing0001209191-04-024345 |
| May 7, 2004Filed date | AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq | PurchaseSEC code PEffective May 6, 2004 · transaction dateReported units 760 shares · reported price 8.96 | Common Stock, $0.001 par valueReported position after transaction: 20,660 shares | 4 filing0001209191-04-024345 |
Company-level recent transaction history is published for 1 of 1 relationship companies in this graph; 10 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.
These handoffs preserve the exact company identities already represented in the reporting-owner graph. My Stocks keeps a listed company in your existing research lists. Research Inbox is a separate company-change update workflow.
Saving a company to My Stocks never enables updates, and opening Research Inbox never subscribes you automatically. Each update remains an explicit company-level opt-in under the existing Research Inbox consent flow.
| Company | Reporting-owner context | Published evidence | Continue research |
|---|---|---|---|
| AMKOR TECHNOLOGY, INC. (AMKR)Nasdaq · Current company | James J. KimSEC CIK 00011588393 chronology observationsWinston J. ChurchillSEC CIK 000092379211 chronology observations | 14Published chronology observationsLatest represented evidence Jul 31, 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.
