Amkor Technology ($AMKR) Insider Trading & Smart Money Activity

Amkor Technology, Inc. · Semiconductor Equipment & Materials · Latest filing Oct 13, 2026

Amkor Technology, Inc. ($AMKR) has 15 insider trades and 21 13F position changes on file. In the last 12 months on the open market, no insider bought and 2 insiders sold ($321.92K), net -$321.92K.

Insider buyers (12 mo)
0
Insider sellers (12 mo)
2
Net insider $ (12 mo)
-$321.92K
Congress trades (12 mo)
0
13F moves on file
21
Analyst ratings on file
0

AMKR insider buying and selling by quarter

QuarterInsider buysInsider salesCongress buys / sales13F added / cut
Q1 2026 0 0 0 / 0 0 / 0
Q2 2026 0 0 0 / 0 15 / 6
Q3 2026 0 0 0 / 0 0 / 0
Q4 2026 0 2 · $321.92K 0 / 0 0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All AMKR insider, congress, 13F and analyst activity

DateSourceWhoActionSharesValue / amount ΔOwn1W1M6MFilingStory
Insider Faust MeganCFO Sell (Open-market sale) 10b5-1 1K sh $46.92K Read
Insider Alexander Douglas ADirector Sell (Open-market sale) 10b5-1 5K sh $275K -12.3% —
Insider David Watson Buy (Grant or award) 3 sh -0.6%-24.7% —
Insider Gil Tily Buy (Grant or award) 3 sh -0.6%-24.7% —
Insider Rutten Guillaume Marie Jean Buy (Grant or award) 3 sh -0.6%-24.7% —
Insider Morse Robert Randolph Buy (Grant or award) 20 sh -0.6%-24.7% Read
Insider Maryfrances Mccourt Buy (Grant or award) 11 sh -0.6%-24.7% —
Insider Liao Daniel Jl Buy (Grant or award) 12 sh -0.6%-24.7% —
Insider Susan Kim Buy (Grant or award) 3 sh -0.6%-24.7% —
Insider Winston Churchill Buy (Grant or award) 3 sh -0.6%-24.7% Read
Insider Carolin Roger Anthony Buy (Grant or award) 20 sh -0.6%-24.7% Read
Insider Douglas Alexander Buy (Grant or award) 28 sh -0.6%-24.7% Read
Insider Susan Kim Buy (Grant or award) 9.89K sh +13.0%-20.2% —
Insider Winston Churchill Sell (Option exercise) 5K sh +13.0%-20.2% —
Insider Winston Churchill Buy (Option exercise) 5K sh $96.95K +13.0%-20.2% —
13F Voloridge Investment Management New +1.06M sh $89.70M -6.5%+21.6% —
13F Two Sigma Investments Added +661.11K sh $102.55M -6.5%+21.6% —
13F Tudor Investment New +300.87K sh $25.42M -6.5%+21.6% —
13F Trexquant Investment New +1.07M sh $90.07M -6.5%+21.6% Read
13F Squarepoint Ops New +966.79K sh $81.67M -6.5%+21.6% —
13F Point72 Asset Management, L.P. Reduced -70.67K sh $252.89M -6.5%+21.6% —
13F Millennium Management Added +537.09K sh $70.54M -6.5%+21.6% Read
13F Gotham Asset Management Reduced -119.38K sh $90.67M -6.5%+21.6% Read
13F Earnest Partners Reduced -360.58K sh $289.92M -6.5%+21.6% —
13F D. E. Shaw Added +1.33M sh $125.77M -6.5%+21.6% —
13F Bridgewater Associates Added +1.50M sh $133.56M -6.5%+21.6% —
13F AQR Capital Management Reduced -57.84K sh $273.90M -6.5%+21.6% —
13F American Century Companies Reduced -863.63K sh $229.22M -6.5%+21.6% —
13F Exoduspoint Capital Management Added +76.14K sh $15.75M -8.6%+18.6% —
13F JPMorgan Chase Added +5.07M sh $456.74M -8.2%+11.1% —
13F Walleye Trading Added +23.22K sh $8.18M -13.9%-9.1% —
13F Allianz Asset Management Added +376.80K sh $116.96M -13.9%-9.1% —
13F Dimensional Fund Advisors Reduced -1.78M sh $928.56M -0.2%-5.4% —
13F Lpl Financial Added +777.96K sh $71.66M -3.4%-15.8% —
13F Principal Financial Group Added +423.63K sh $221.57M +8.1%+6.1% —
13F Sg Americas Securities Added +278.52K sh $82.67M +15.9%+5.0%-29.8% —

1W / 1M / 6M = how AMKR moved from the trade or filing date.

Insider trading in AMKR: who is buying and selling

InsiderRoleTradesOpen-market netShares heldLast trade
Faust Megan CFO 1 -$46.92K Oct 13, 2026
Alexander Douglas A Director 1 -$275K Oct 2, 2026
Winston Churchill 3 — Jun 23, 2026
Susan Kim 2 — Jun 23, 2026
David Watson 1 — Jun 23, 2026
Gil Tily 1 — Jun 23, 2026
Rutten Guillaume Marie Jean 1 — Jun 23, 2026
Morse Robert Randolph 1 — Jun 23, 2026
Maryfrances Mccourt 1 — Jun 23, 2026
Liao Daniel Jl 1 — Jun 23, 2026
Carolin Roger Anthony 1 — Jun 23, 2026
Douglas Alexander 1 — Jun 23, 2026

Institutions moving AMKR (13F)

Frequently asked questions

Are AMKR insiders buying or selling?

Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 2 insiders made 2 open-market sales worth $321.92K, a net -$321.92K.

What is the latest insider trade in AMKR?

Faust Megan, CFO filed a sell (open-market sale) of 1K sh worth $46.92K on Oct 13, 2026.

Which institutions changed their AMKR positions?

Recent 13F filers moving the stock include Voloridge Investment Management, Two Sigma Investments, Tudor Investment, Trexquant Investment and Squarepoint Ops.

Other semiconductor equipment & materials stocks

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

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