AMKOR TECHNOLOGY, INC. (AMKR)
Data as of , from SEC Form 4 filings.
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About AMKOR TECHNOLOGY, INC. (AMKR)
Amkor Technology Inc is a OSAT (outsourced semiconductor assembly and test) service provider. It has pioneered the outsourcing of integrated circuit (IC) packaging and test services and is a strategic manufacturing partner for the semiconductor companies, foundries, and electronics original equipment manufacturers (OEMs). The firm's products are organized into two categories namely advanced products that include flip chip, fine pitch bumping, wafer-level processing, advanced SiPs, power modules, and others, and Mainstream products that includes wirebond packaging and testing. The company derives maximum revenue from the advanced products category. The company derives majority of its revenue from Foreign states.
- TEMPE, AZ
- 30,800
- 1998
- Nasdaq
AMKR Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 9 | 75,221 | $4.18M |
| Grant or award | 19 | 165.09 | |
| Option exercise | 14 | 1,390,000 | |
AMKR insider transactions (Form 4)
66194 Form 4 filings on record, the earliest from Oct 17, 2024, newest first. Filing history page 2 of 3.
| Traded | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Maryfrances McCourt - Director | Grant or award | Restricted Stock Units | 2.52 | $0.00 | - | |
| Maryfrances McCourt - Director | Grant or award | Restricted Stock Units | 8.17 | $0.00 | - | |
| Daniel Jl Liao - Director | Grant or award | Restricted Stock Units | 2.52 | $0.00 | - | |
| Daniel Jl Liao - Director | Grant or award | Restricted Stock Units | 9.43 | $0.00 | - | |
| Winston J. Churchill - Director | Grant or award | Restricted Stock Units | 2.52 | $0.00 | - | |
| Grant or award | Restricted Stock Units | 2.52 | $0.00 | - | ||
| Grant or award | Restricted Stock Units | 8.17 | $0.00 | - | ||
| Grant or award | Restricted Stock Units | 9.43 | $0.00 | - | ||
| Douglas A. Alexander - Director | Grant or award | Restricted Stock Units | 8.17 | $0.00 | - | |
| Douglas A. Alexander - Director | Grant or award | Restricted Stock Units | 9.43 | $0.00 | - | |
| Douglas A. Alexander - Director | Grant or award | Restricted Stock Units | 2.52 | $0.00 | - | |
| Douglas A. Alexander - Director | Grant or award | Restricted Stock Units | 8.38 | $0.00 | - | |
| Open-market sale | Common Stock | 5,000 | $86.21 | $431K | ||
| Option exercise | Employee Stock Option (Right-to-Buy) | 5,000 | $0.00 | - | ||
| Option exercise | Common Stock | 5,000 | $7.40 | $37K | ||
| Winston J. Churchill - Director | Option exercise | Common Stock | 5,000 | $19.39 | $97K | |
| Winston J. Churchill - Director | Open-market sale | Common Stock | 5,000 | $78.20 | $391K | |
| Winston J. Churchill - Director | Option exercise | Director Stock Option (Right-to-Buy) | 5,000 | $0.00 | - | |
| Susan Y. Kim - Director | Grant or award | Common Stock | 9,893 footnote F1 | $0.00 footnote F1 | - | |
| ||||||
| Open-market sale | Common Stock | 1,000 | $70.30 | $70K | ||
| Option exercise | Common Stock | 5,000 | $7.40 | $37K | ||
| Open-market sale | Common Stock | 5,000 | $71.63 | $358K | ||
| Option exercise | Employee Stock Option (Right-to-Buy) | 5,000 | $0.00 | - | ||
| Open-market sale | Common Stock | 1,000 | $64.60 | $65K | ||
| Susan Y. Kim - Director | Option exercise | Restricted Stock Units | 9,893 | $0.00 | - | |
| Susan Y. Kim - Director | Grant or award | Restricted Stock Units | 2,613 | $0.00 | - | |
| Grant or award | Restricted Stock Units | 2,613 | $0.00 | - | ||
| Douglas A. Alexander - Director | Grant or award | Restricted Stock Units | 2,613 | $0.00 | - | |
| Maryfrances McCourt - Director | Option exercise | Common Stock | 9,893 footnote F1 | $0.00 footnote F1 | - | |
| Maryfrances McCourt - Director | Option exercise | Restricted Stock Units | 9,893 | $0.00 | - | |
| Maryfrances McCourt - Director | Grant or award | Restricted Stock Units | 2,613 | $0.00 | - | |
| ||||||
| Grant or award | Restricted Stock Units | 2,613 | $0.00 | - | ||
| Daniel Jl Liao - Director | Grant or award | Restricted Stock Units | 2,613 | $0.00 | - | |
| Winston J. Churchill - Director | Option exercise | Common Stock | 9,893 footnote F1 | $0.00 footnote F1 | - | |
| Winston J. Churchill - Director | Option exercise | Restricted Stock Units | 9,893 | $0.00 | - | |
| Winston J. Churchill - Director | Grant or award | Restricted Stock Units | 2,613 | $0.00 | - | |
| ||||||
| Option exercise | Common Stock | 482 footnote F1 | $0.00 footnote F1 | - | ||
| Option exercise | Restricted Stock Units | 482 | $0.00 | - | ||
| Grant or award | Restricted Stock Units | 2,613 | $0.00 | - | ||
| ||||||
| Gil C. Tily - Director | Option exercise | Common Stock | 9,893 footnote F1 | $0.00 footnote F1 | - | |
| Gil C. Tily - Director | Option exercise | Restricted Stock Units | 9,893 | $0.00 | - | |
| Gil C. Tily - Director | Grant or award | Restricted Stock Units | 2,613 | $0.00 | - | |
| ||||||
| David N. Watson - Director | Option exercise | Common Stock | 9,893 footnote F1 | $0.00 footnote F1 | - | |
| David N. Watson - Director | Option exercise | Restricted Stock Units | 9,893 footnote F1 | $0.00 | - | |
| David N. Watson - Director | Grant or award | Restricted Stock Units | 2,613 | $0.00 | - | |
| ||||||
| Gil C. Tily - Director | Open-market sale | Common Stock | 15,000 | $77.30 | $1.16M | |
| Open-market sale | Common Stock | 50,000 | $74.28 footnote F1 | $3.71M | ||
| ||||||
| Option exercise | Common Stock | 20,000 | $11.71 | $234K | ||
| Open-market sale | Common Stock | 20,000 | $76.24 footnote F1 | $1.52M | ||
| Option exercise | Director Stock Option (Right to Buy) | 20,000 | $0.00 | - | ||
| ||||||
| Winston J. Churchill - Director | Open-market sale | Common Stock | 7,000 | $76.45 | $535K | |
| Douglas A. Alexander - Director | Option exercise | Common Stock | 4,657 | $9.45 | $44K | |
| Douglas A. Alexander - Director | Open-market sale | Common Stock | 4,657 | $76.58 | $357K | |
| Douglas A. Alexander - Director | Option exercise | Common Stock | 343 | $8.51 | $3K | |
| Douglas A. Alexander - Director | Open-market sale | Common Stock | 343 | $76.58 | $26K | |
| Douglas A. Alexander - Director | Option exercise | Director Stock Option (Right-to-Buy) | 4,657 | $0.00 | - | |
| Douglas A. Alexander - Director | Option exercise | Director Stock Option (Right-to-Buy) | 343 | $0.00 | - | |
| Option exercise | Common Stock | 5,000 | $7.40 | $37K | ||
| Open-market sale | Common Stock | 5,000 | $59.43 | $297K | ||
| Option exercise | Employee Stock Option (Right-to-Buy) | 5,000 | $0.00 | - | ||
| Susan Y. Kim - Director | Option exercise | Common Stock | 20,000 | $5.66 | $113K | |
| Susan Y. Kim - Director | Option exercise | Director stock option (right to buy) | 20,000 | $0.00 | - | |
| Option exercise | Common Stock | 20,000 | $5.66 | $113K | ||
| Tax withholding / forfeiture | Common Stock | 2,378 | $0.00 | - | ||
| Option exercise | Director Stock Option (Right-to-Buy) | 20,000 | $0.00 | - | ||
| David N. Watson - Director | Grant or award | Restricted Stock Units | 18.16 | $0.00 | - | |
Recent AMKR Form 144 notices of proposed sale
3An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| MEGAN FAUST | Officer | 1,000 | $47K | View on EDGAR | |
| DOUGLAS A ALEXANDER | Director | 5,000 |
AMKR insider trading FAQ
What is the latest insider trade for AMKR?
AMKOR TECHNOLOGY, INC. (AMKR) had 21 insider filings in the last 90 days, with the most recent on 2026-10-06. The full record for AMKR runs to 194 Form 4 filings, the earliest from 2024-10-17. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying AMKR stock?
No insider purchases of AMKR were filed in the last 90 days. 5 purchases are on record for this company.
How many insiders are selling AMKR stock?
9 insider sales of AMKR were filed in the last 90 days, totaling $4.18M.
Where can I see AMKR SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects AMKR Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Information Technology companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Douglas A. Alexander view on EDGAR
- - Susan Y. Kim view on EDGAR
- - David N. Watson view on EDGAR
- - Gil C. Tily view on EDGAR
- - Guillaume Marie Jean Rutten view on EDGAR
- - Robert Randolph Morse view on EDGAR
- - Maryfrances McCourt view on EDGAR
- - Daniel Jl Liao view on EDGAR
- - Winston J. Churchill view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Information Technology
- Where AMKR's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
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