The Filings Report

Amkor Technology Inc insider trading

AMKRfinancial statementsForm 4 filings on EDGAR329 transactions since Nov 3, 2024

From August 6, 2026 to November 3, 2026, 0 insiders at Amkor Technology Inc bought $0 of stock in the open market, and 4 sold $2M. Officers and directors accounted for $0 of purchases and $2M of sales. The last reported transaction was an open-market sale by Faust Megan on October 13, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 15, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

AMKR daily priceSplit-adjusted prices in US dollars

Bought $0Sold $2MAug 6, 2026 – Nov 3, 2026

Nov 3, 2026O $38.59 · H $39.16 · L $37.29 · C $37.62Bought $0 (0)Sold $0 (0)
$35$42$49$57$642026-08-06: open $52.19, high $55.71, low $51.19, close $54.162026-08-07: open $56.01, high $57.02, low $53.33, close $55.272026-08-10: open $55.77, high $55.99, low $52.81, close $52.872026-08-11: open $54.24, high $54.46, low $53.10, close $54.302026-08-12: open $57.00, high $57.18, low $55.52, close $55.592026-08-13: open $55.40, high $58.58, low $55.05, close $57.752026-08-14: open $57.54, high $60.37, low $57.37, close $58.992026-08-17: open $59.78, high $62.23, low $59.50, close $61.302026-08-18: open $57.49, high $59.20, low $53.82, close $54.842026-08-19: open $55.04, high $55.49, low $50.73, close $50.892026-08-20: open $50.92, high $52.24, low $50.16, close $50.862026-08-21: open $51.60, high $51.77, low $49.50, close $50.262026-08-24: open $48.79, high $49.00, low $47.04, close $47.902026-08-25: open $49.08, high $49.59, low $48.40, close $48.702026-08-26: open $48.70, high $48.85, low $47.63, close $48.402026-08-27: open $52.38, high $52.88, low $50.69, close $51.742026-08-28: open $51.29, high $51.49, low $47.66, close $47.882026-08-31: open $48.03, high $48.75, low $47.19, close $47.302026-09-01: open $46.60, high $46.71, low $45.34, close $45.732026-09-02: open $45.82, high $47.26, low $45.47, close $47.172026-09-03: open $46.97, high $47.44, low $45.30, close $46.942026-09-04: open $47.61, high $48.30, low $46.83, close $47.772026-09-08: open $49.27, high $51.41, low $49.05, close $50.722026-09-09: open $50.83, high $52.15, low $50.35, close $51.352026-09-10: open $49.90, high $50.24, low $48.91, close $49.532026-09-11: open $50.36, high $51.78, low $50.00, close $51.732026-09-14: open $47.32, high $48.66, low $46.80, close $47.122026-09-15: open $47.80, high $47.92, low $45.72, close $46.382026-09-16: open $47.74, high $47.80, low $45.33, close $46.282026-09-17: open $47.93, high $48.71, low $47.12, close $47.952026-09-18: open $48.54, high $50.42, low $48.23, close $50.302026-09-21: open $51.68, high $52.27, low $50.50, close $52.192026-09-22: open $51.61, high $54.81, low $51.30, close $54.592026-09-23: open $54.89, high $54.89, low $52.16, close $53.322026-09-24: open $51.99, high $53.03, low $51.55, close $52.692026-09-25: open $53.52, high $54.30, low $52.81, close $53.612026-09-28: open $53.18, high $53.81, low $51.66, close $53.182026-09-29: open $54.75, high $55.13, low $53.91, close $54.142026-09-30: open $54.43, high $54.74, low $52.23, close $52.382026-10-01: open $52.69, high $53.71, low $51.68, close $52.902026-10-02: open $54.89, high $56.53, low $54.13, close $56.022026-10-05: open $56.06, high $56.56, low $54.38, close $54.632026-10-06: open $55.53, high $55.74, low $53.26, close $53.392026-10-07: open $51.80, high $52.56, low $51.11, close $52.272026-10-08: open $51.01, high $52.72, low $49.75, close $51.002026-10-09: open $51.80, high $51.80, low $48.77, close $49.122026-10-12: open $48.25, high $48.43, low $47.31, close $48.112026-10-13: open $46.92, high $47.70, low $46.30, close $47.612026-10-14: open $46.04, high $46.76, low $44.31, close $44.822026-10-15: open $42.19, high $44.18, low $41.32, close $44.052026-10-16: open $43.66, high $43.69, low $41.66, close $41.822026-10-19: open $43.78, high $43.94, low $41.59, close $41.892026-10-20: open $40.79, high $42.39, low $39.92, close $41.702026-10-21: open $44.50, high $44.50, low $42.87, close $43.732026-10-22: open $41.37, high $41.69, low $38.69, close $39.052026-10-23: open $38.59, high $40.19, low $38.52, close $39.302026-10-26: open $38.67, high $39.14, low $36.37, close $36.812026-10-27: open $38.58, high $40.07, low $37.36, close $39.942026-10-28: open $40.92, high $42.37, low $39.62, close $42.212026-10-29: open $41.42, high $42.38, low $40.65, close $41.212026-10-30: open $38.42, high $40.35, low $38.19, close $39.502026-11-02: open $39.56, high $40.14, low $36.76, close $36.962026-11-03: open $38.59, high $39.16, low $37.29, close $37.62Insider purchases / sales · USD$2M$0−$2M2026-08-06: 0 purchases ($0), 1 sales ($1M)2026-08-07: 0 purchases ($0), 1 sales ($279K)2026-08-11: 0 purchases ($0), 1 sales ($54K)2026-08-17: 0 purchases ($0), 1 sales ($299K)2026-09-08: 0 purchases ($0), 1 sales ($49K)2026-10-02: 0 purchases ($0), 1 sales ($275K)2026-10-13: 0 purchases ($0), 1 sales ($47K)Aug 6Aug 28Sep 21Oct 13Nov 3

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Nov 3, 2026. Insider data through Nov 3, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

329 transactions from November 3, 2024 to November 3, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 13, 2026Faust MeganCFOopen-market sale10b5-11,000$46.92$47K133,105Oct 15, 2026
Oct 2, 2026Alexander Douglas ADirectoroption exercise5,000$8.51$43K34,109Oct 6, 2026
Oct 2, 2026Alexander Douglas ADirectoropen-market sale10b5-15,000$55.00$275K29,109Oct 6, 2026
Sep 8, 2026Faust MeganCFOopen-market sale10b5-11,000$49.05$49K134,105Sep 10, 2026
Aug 17, 2026Rogers Mark NEVP & General Counseloption exercise5,000$7.40$37K43,904Aug 19, 2026
Aug 17, 2026Rogers Mark NEVP & General Counselopen-market sale10b5-15,000$59.78$299K38,904Aug 19, 2026
Aug 11, 2026Faust MeganCFOopen-market sale10b5-11,000$54.45$54K135,105Aug 13, 2026
Aug 7, 2026Alexander Douglas ADirectoroption exercise5,000$8.51$43K34,109Aug 11, 2026
Aug 7, 2026Alexander Douglas ADirectoropen-market sale10b5-15,000$55.81$279K29,109Aug 11, 2026
Aug 6, 2026Rutten Guillaume Marie JeanDirectoropen-market sale25,000$54.50$1M461,732Aug 7, 2026
Aug 5, 2026Rutten Guillaume Marie JeanDirectoropen-market sale25,000$55.35$1M486,732Aug 7, 2026
Jul 30, 2026Churchill Winston JDirectorgift100$0.00—28,681Jul 31, 2026
Jul 30, 2026Engel Kevin K.President and CEO, Directoropen-market sale3,221$47.00$151K9,666Jul 31, 2026
Jul 20, 2026Kim Agnes C—option exerciseindirect200,000$9.86$2M11MJul 22, 2026
Jul 20, 2026Kim Agnes C—option exerciseindirect250,000$9.48$2M11MJul 22, 2026
Jul 20, 2026Kim James J10% owneroption exercise200,000$9.86$2M261,645Jul 22, 2026
Jul 20, 2026Kim James J10% owneroption exercise250,000$9.48$2M511,645Jul 22, 2026
Jul 16, 2026Rogers Mark NEVP & General Counseloption exercise5,000$7.40$37K43,904Jul 20, 2026
Jul 16, 2026Rogers Mark NEVP & General Counselopen-market sale10b5-15,000$65.12$326K38,904Jul 20, 2026
Jul 14, 2026Faust MeganCFOopen-market sale10b5-11,000$69.91$70K136,105Jul 16, 2026
Jun 30, 2026Engel Kevin K.President and CEO, Directoroption exercise8,692$0.00—16,612Jul 2, 2026
Jun 30, 2026Engel Kevin K.President and CEO, Directortax withholding3,725$86.23$321K12,887Jul 2, 2026
Jun 30, 2026Faust MeganCFOoption exercise8,692$0.00—140,830Jul 2, 2026
Jun 30, 2026Faust MeganCFOtax withholding3,725$86.23$321K137,105Jul 2, 2026
Jun 30, 2026Rutten Guillaume Marie JeanDirectoroption exercise8,692$0.00—511,732Jul 2, 2026
Jun 16, 2026Rogers Mark NEVP & General Counseloption exercise5,000$7.40$37K43,904Jun 18, 2026
Jun 16, 2026Rogers Mark NEVP & General Counselopen-market sale10b5-15,000$86.21$431K38,904Jun 18, 2026
Jun 12, 2026Churchill Winston JDirectoroption exercise5,000$19.39$97K33,781Jun 16, 2026
Jun 12, 2026Churchill Winston JDirectoropen-market sale5,000$78.20$391K28,781Jun 16, 2026
Jun 12, 2026Kim Susan YDirector, 10% owneraward9,893$0.00—6MJun 12, 2026
Jun 9, 2026Faust MeganCFOopen-market sale10b5-11,000$70.30$70K132,138Jun 11, 2026
May 19, 2026Faust MeganCFOopen-market sale10b5-11,000$64.60$65K133,138May 20, 2026
May 18, 2026Rogers Mark NEVP & General Counseloption exercise5,000$7.40$37K43,904May 20, 2026
May 18, 2026Rogers Mark NEVP & General Counselopen-market sale10b5-15,000$71.63$358K38,904May 20, 2026
May 13, 2026McCourt MaryFrancesDirectoroption exercise9,893$0.00—65,811May 15, 2026
May 13, 2026Churchill Winston JDirectoroption exercise9,893$0.00—28,781May 15, 2026
May 13, 2026Rutten Guillaume Marie JeanDirectoroption exercise482$0.00—503,040May 15, 2026
May 13, 2026Tily Gil C.Directoroption exercise9,893$0.00—118,699May 15, 2026
May 13, 2026Watson David NDirectoroption exercise9,893$0.00—130,650May 15, 2026
May 11, 2026Tily Gil C.Directoropen-market sale15,000$77.30$1M108,806May 13, 2026
May 8, 2026Rutten Guillaume Marie JeanDirectoropen-market sale50,000$74.28$4M502,558May 12, 2026
May 5, 2026Carolin Roger AnthonyDirectoroption exercise20,000$11.71$234K114,409May 7, 2026
May 5, 2026Carolin Roger AnthonyDirectoropen-market sale20,000$76.24$2M94,409May 7, 2026
May 5, 2026Churchill Winston JDirectoropen-market sale7,000$76.45$535K18,888May 7, 2026
May 5, 2026Alexander Douglas ADirectoroption exercise4,657$9.45$44K33,766May 7, 2026
May 5, 2026Alexander Douglas ADirectoropen-market sale4,657$76.58$357K29,109May 7, 2026
May 5, 2026Alexander Douglas ADirectoroption exercise343$8.51$3K29,452May 7, 2026
May 5, 2026Alexander Douglas ADirectoropen-market sale343$76.58$26K29,109May 7, 2026
Apr 16, 2026Rogers Mark NEVP & General Counseloption exercise5,000$7.40$37K43,904Apr 20, 2026
Apr 16, 2026Rogers Mark NEVP & General Counselopen-market sale5,000$59.43$297K38,904Apr 20, 2026

Who the insiders are

Everyone who reported a transaction since November 3, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Kim John T10% ownerFeb 12, 2026open-market sale6M—$485M (1)0 of 1
915 Investments, LP—Feb 12, 2026open-market sale30M—$485M (1)0 of 1
Rutten Guillaume Marie JeanPresident and CEO, DirectorAug 6, 2026open-market sale461,732—$9M (8)4 of 8
Rogers Mark NEVP & General CounselAug 17, 2026option exercise43,904—$4M (10)9 of 10
Tily Gil C.DirectorMay 13, 2026option exercise118,699—$2M (2)0 of 2
Carolin Roger AnthonyDirectorMay 5, 2026option exercise114,409—$2M (1)0 of 1
Churchill Winston JDirectorJul 30, 2026gift28,681—$1M (3)0 of 3
Engel Kevin K.President and CEO, DirectorJul 30, 2026open-market sale9,666—$1M (3)0 of 3
Alexander Douglas ADirectorOct 2, 2026option exercise34,109—$937K (4)2 of 4
McCourt MaryFrancesDirectorMay 13, 2026option exercise65,811—$920K (1)0 of 1
Haghighi FarshadExecutive Vice PresidentFeb 25, 2026open-market sale8,354—$789K (1)0 of 1
Engel KevinExecutive Vice PresidentDec 31, 2025tax withholding5,316—$508K (1)0 of 1
Faust MeganCFOOct 13, 2026open-market sale133,105—$355K (6)6 of 6
Kim Susan YDirector, 10% ownerJun 12, 2026award6M———
Kim James J10% ownerJul 20, 2026option exercise261,645———
Kim Agnes C—Jul 20, 2026option exercise0———
Watson David NDirectorMay 13, 2026option exercise130,650———
Morse Robert RandolphDirectorApr 7, 2026option exercise137,355———
2023 Grantor Retained Annuity Trust of Susan Y. Kim Dated 9/15/2023—Dec 26, 2025gift0———
2023 Grantor Retained Annuity Trust of Agnes C. Kim Dated 4/26/2023—Aug 1, 2025gift0———
2023 Grantor Retained Annuity Trust of James J. Kim Dated 4/26/2023—Aug 1, 2025gift438,002———
Kim David D—Aug 1, 2025open-market buy————
SUJODA Investments, LP—Aug 1, 2025open-market buy4M———
Sujoda Management, LLC—Aug 1, 2025open-market buy————
James J. Kim 2021 Qualified Annuity Trust U/A Dated 12/15/2021—Jan 17, 2025gift0———
2024 Grantor Retained Annuity Trust of Susan Y. Kim dtd. 8/5/2024—Nov 20, 2025gift1M———
2024 Grantor Retained Annuity Trust of Agnes C. Kim dtd. 8/5/2024—Nov 20, 2025gift895,000———
2024 Grantor Retained Annuity Trust of James J. Kim dtd. 8/5/2024—Nov 20, 2025gift1M———
John T. Kim 2024 GRAT #2 dtd. 08/09/2024—Nov 4, 2025gift59,250———
John T. Kim 2024 GRAT #1 dtd. 08/09/2024—Nov 4, 2025gift1M———
Liu John DDirectorMay 14, 2025option exercise2,983———
Liao Daniel JLDirectorMay 14, 2025option exercise40,804———

Questions

Are Amkor Technology Inc insiders buying or selling?

Over the twelve months to November 3, 2026, 13 insiders at Amkor Technology Inc sold $992M of stock in the open market ($22M by officers and directors), and no insider bought. Net, insiders sold $992M. Only open-market purchases and sales are counted.

Who sold the most Amkor Technology Inc stock in the last year?

Kim John T (10% owner) sold $485M in 1 open-market sale over the twelve months to November 3, 2026.

Do Amkor Technology Inc executives sell under 10b5-1 plans?

21 of the 42 open-market sales in the last twelve months (50%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Amkor Technology Inc

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.