AMKR insider transaction filings

AMKOR TECHNOLOGY, INC. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-10. Screen AMKR transaction legs live →

Insider transaction summary — last 90 days

2026-06-24 to 2026-09-22, from the filings listed below: 24 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.

By insider — same window

Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.

InsiderFilingsPurchases (P)Sales (S)Other legs
Rutten Guillaume Marie Jean — Director32 legs · 50,000 sh · $2,746,2503
ROGERS MARK N — EVP & General Counsel22 legs · 10,000 sh · $624,5004
ALEXANDER DOUGLAS A — Director21 leg · 5,000 sh · $279,0506
Faust Megan — CFO43 legs · 3,000 sh · $173,4103
Engel Kevin K. — President and CEO, Director21 leg · 3,221 sh · $151,3873
KIM JAMES J — 10% owner14
Carolin Roger Anthony — Director13
Morse Robert Randolph — Director13
CHURCHILL WINSTON J — Director22
KIM AGNES C12

+5 more insiders in the window, not shown — every filing appears in the table below.

Recent Form 4 filings — AMKOR TECHNOLOGY, INC.

FiledFormInsiderReported transactionsSource
2026-09-104Faust Megan — CFOSale (S): 1,000 @ $49.05EDGAR
2026-08-194ROGERS MARK N — EVP & General CounselOption exercise (M): 5,000 @ $7.40 · Sale (S): 5,000 @ $59.78 · Option exercise (M): 5,000 (derivative) @ $0EDGAR
2026-08-134Faust Megan — CFOSale (S): 1,000 @ $54.45EDGAR
2026-08-114ALEXANDER DOUGLAS A — DirectorOption exercise (M): 5,000 @ $8.51 · Sale (S): 5,000 @ $55.81 · Option exercise (M): 5,000 (derivative) @ $0EDGAR
2026-08-074Rutten Guillaume Marie Jean — DirectorSale (S): 25,000 @ $55.35 · Sale (S): 25,000 @ $54.50EDGAR
2026-07-314Engel Kevin K. — President and CEO, DirectorSale (S): 3,221 @ $47EDGAR
2026-07-314CHURCHILL WINSTON J — DirectorGift (G): 100 @ $0EDGAR
2026-07-224KIM AGNES COption exercise (M): 200,000 @ $9.86 · Option exercise (M): 250,000 @ $9.48EDGAR
2026-07-224KIM JAMES J — 10% ownerOption exercise (M): 200,000 @ $9.86 · Option exercise (M): 250,000 @ $9.48 · Option exercise (M): 200,000 (derivative) @ $0 · Option exercise (M): 250,000 (derivative) @ $0EDGAR
2026-07-204ROGERS MARK N — EVP & General CounselOption exercise (M): 5,000 @ $7.40 · Sale (S): 5,000 @ $65.12 · Option exercise (M): 5,000 (derivative) @ $0EDGAR
2026-07-164Faust Megan — CFOSale (S): 1,000 @ $69.91EDGAR
2026-07-024Engel Kevin K. — President and CEO, DirectorOption exercise (M): 8,692 @ $0 · Tax withholding (F): 3,725 @ $86.23 · Option exercise (M): 8,692 (derivative) @ $0EDGAR
2026-07-024Faust Megan — CFOOption exercise (M): 8,692 @ $0 · Tax withholding (F): 3,725 @ $86.23 · Option exercise (M): 8,692 (derivative) @ $0EDGAR
2026-07-024Rutten Guillaume Marie Jean — DirectorOption exercise (M): 8,692 @ $0 · Option exercise (M): 8,692 (derivative) @ $0EDGAR
2026-06-254KIM SUSAN Y — Director, 10% ownerGrant/award (A): 2.52 (derivative) @ $0EDGAR
2026-06-254WATSON DAVID N — DirectorGrant/award (A): 2.52 (derivative) @ $0EDGAR
2026-06-254Tily Gil C. — DirectorGrant/award (A): 2.52 (derivative) @ $0EDGAR
2026-06-254Rutten Guillaume Marie Jean — DirectorGrant/award (A): 2.52 (derivative) @ $0EDGAR
2026-06-254Morse Robert Randolph — DirectorGrant/award (A): 8.17 (derivative) @ $0 · Grant/award (A): 9.43 (derivative) @ $0 · Grant/award (A): 2.52 (derivative) @ $0EDGAR
2026-06-254McCourt MaryFrances — DirectorGrant/award (A): 8.17 (derivative) @ $0 · Grant/award (A): 2.52 (derivative) @ $0EDGAR
2026-06-254Liao Daniel JL — DirectorGrant/award (A): 9.43 (derivative) @ $0 · Grant/award (A): 2.52 (derivative) @ $0EDGAR
2026-06-254CHURCHILL WINSTON J — DirectorGrant/award (A): 2.52 (derivative) @ $0EDGAR
2026-06-254Carolin Roger Anthony — DirectorGrant/award (A): 8.17 (derivative) @ $0 · Grant/award (A): 9.43 (derivative) @ $0 · Grant/award (A): 2.52 (derivative) @ $0EDGAR
2026-06-254ALEXANDER DOUGLAS A — DirectorGrant/award (A): 8.38 (derivative) @ $0 · Grant/award (A): 8.17 (derivative) @ $0 · Grant/award (A): 9.43 (derivative) @ $0 · Grant/award (A): 2.52 (derivative) @ $0EDGAR
2026-06-184ROGERS MARK N — EVP & General CounselOption exercise (M): 5,000 @ $7.40 · Sale (S): 5,000 @ $86.21 · Option exercise (M): 5,000 (derivative) @ $0EDGAR
2026-06-164CHURCHILL WINSTON J — DirectorOption exercise (M): 5,000 @ $19.39 · Sale (S): 5,000 @ $78.20 · Option exercise (M): 5,000 (derivative) @ $0EDGAR
2026-06-124KIM SUSAN Y — Director, 10% ownerGrant/award (A): 9,893 @ $0EDGAR
2026-06-114Faust Megan — CFOSale (S): 1,000 @ $70.30EDGAR
2026-05-204ROGERS MARK N — EVP & General CounselOption exercise (M): 5,000 @ $7.40 · Sale (S): 5,000 @ $71.63 · Option exercise (M): 5,000 (derivative) @ $0EDGAR
2026-05-204Faust Megan — CFOSale (S): 1,000 @ $64.60EDGAR
2026-05-154KIM SUSAN Y — Director, 10% ownerOption exercise (M): 9,893.06 (derivative) @ $0 · Grant/award (A): 2,613 (derivative) @ $0EDGAR
2026-05-154Carolin Roger Anthony — DirectorGrant/award (A): 2,613 (derivative) @ $0EDGAR
2026-05-154ALEXANDER DOUGLAS A — DirectorGrant/award (A): 2,613 (derivative) @ $0EDGAR
2026-05-154McCourt MaryFrances — DirectorOption exercise (M): 9,893 @ $0 · Option exercise (M): 9,893.06 (derivative) @ $0 · Grant/award (A): 2,613 (derivative) @ $0EDGAR
2026-05-154Morse Robert Randolph — DirectorGrant/award (A): 2,613 (derivative) @ $0EDGAR
2026-05-154Liao Daniel JL — DirectorGrant/award (A): 2,613 (derivative) @ $0EDGAR
2026-05-154CHURCHILL WINSTON J — DirectorOption exercise (M): 9,893 @ $0 · Option exercise (M): 9,893.06 (derivative) @ $0 · Grant/award (A): 2,613 (derivative) @ $0EDGAR
2026-05-154Rutten Guillaume Marie Jean — DirectorOption exercise (M): 482 @ $0 · Option exercise (M): 482 (derivative) @ $0 · Grant/award (A): 2,613 (derivative) @ $0EDGAR
2026-05-154Tily Gil C. — DirectorOption exercise (M): 9,893 @ $0 · Option exercise (M): 9,893.06 (derivative) @ $0 · Grant/award (A): 2,613 (derivative) @ $0EDGAR
2026-05-154WATSON DAVID N — DirectorOption exercise (M): 9,893 @ $0 · Option exercise (M): 9,893.06 (derivative) @ $0 · Grant/award (A): 2,613 (derivative) @ $0EDGAR
2026-05-134Tily Gil C. — DirectorSale (S): 15,000 @ $77.30EDGAR
2026-05-124Rutten Guillaume Marie Jean — DirectorSale (S): 50,000 @ $74.28EDGAR
2026-05-074Carolin Roger Anthony — DirectorOption exercise (M): 20,000 @ $11.71 · Sale (S): 20,000 @ $76.24 · Option exercise (M): 20,000 (derivative) @ $0EDGAR
2026-05-074CHURCHILL WINSTON J — DirectorSale (S): 7,000 @ $76.45EDGAR
2026-05-074ALEXANDER DOUGLAS A — DirectorOption exercise (M): 4,657 @ $9.45 · Sale (S): 4,657 @ $76.58 · Option exercise (M): 343 @ $8.51 · Sale (S): 343 @ $76.58 · Option exercise (M): 4,657 (derivative) @ $0 · Option exercise (M): 343 (derivative) @ $0EDGAR
2026-04-204ROGERS MARK N — EVP & General CounselOption exercise (M): 5,000 @ $7.40 · Sale (S): 5,000 @ $59.43 · Option exercise (M): 5,000 (derivative) @ $0EDGAR
2026-04-094KIM SUSAN Y — Director, 10% ownerOption exercise (M): 20,000 @ $5.66 · Option exercise (M): 20,000 (derivative) @ $0EDGAR
2026-04-094Morse Robert Randolph — DirectorOption exercise (M): 20,000 @ $5.66 · Tax withholding (F): 2,378 @ $0 · Option exercise (M): 20,000 (derivative) @ $0EDGAR
2026-04-024Carolin Roger Anthony — DirectorGrant/award (A): 15.72 (derivative) @ $0 · Grant/award (A): 18.16 (derivative) @ $0EDGAR
2026-04-024ALEXANDER DOUGLAS A — DirectorGrant/award (A): 16.15 (derivative) @ $0 · Grant/award (A): 15.72 (derivative) @ $0 · Grant/award (A): 18.16 (derivative) @ $0EDGAR

Recent 8-K events — AMKOR TECHNOLOGY, INC.

FiledFormItems reportedSource
2026-07-278-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-218-K7.01 — Regulation FD Disclosure
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-198-K5.07 — Submission of Matters to a Vote of Security HoldersEDGAR
2026-05-058-K1.01 — Entry into a Material Definitive Agreement
2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
3.02 — Unregistered Sales of Equity Securities
9.01 — Financial Statements and Exhibits
EDGAR
2026-05-018-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-308-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-04-278-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-138-K8.01 — Other Events
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-098-K2.02 — Results of Operations and Financial Condition
9.01 — Financial Statements and Exhibits
EDGAR
2026-02-028-K5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain OfficersEDGAR
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