AMKR
AMKOR TECHNOLOGY, INC.
Semiconductors & Related DevicesNasdaqLarge accelerated filer
Total Trades
151
Buys
7
Sells
85
Largest Trade
N/A
Insiders
18
Institutional Funds
382
Inst. Value
$1M+
Activist Filings
9
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Haghighi Farshad | Executive Vice Pre… | EXERCISE | N/A | 2K | — | Feb 26, 2026 |
| Haghighi Farshad | Executive Vice Pre… | SELL | $500K+ | 16K | $50.50 | Feb 26, 2026 |
| Rutten Guillaume Marie Jean | Director | SELL | $100K–$500K | 10K | $45.89 | Feb 18, 2026 |
| Rutten Guillaume Marie Jean | Director | EXERCISE | N/A | 14K | — | Feb 18, 2026 |
| Engel Kevin K. | President and CEO | SELL | $100K–$500K | 5K | $46.03 | Feb 18, 2026 |
| Engel Kevin K. | President and CEO | EXERCISE | N/A | 1K | — | Feb 18, 2026 |
| ROGERS MARK N | EVP & General Coun… | SELL | $100K–$500K | 5K | $46.92 | Feb 18, 2026 |
| ROGERS MARK N | EVP & General Coun… | EXERCISE | $15K–$50K | 7K | $5.40 | Feb 18, 2026 |
| KIM JOHN T | 10% Owner | SELL | $1M+ | 10.0M | $48.49 | Feb 17, 2026 |
| 915 Investments, LP | Insider | SELL | $1M+ | 10.0M | $48.49 | Feb 17, 2026 |
| Rutten Guillaume Marie Jean | Director | SELL | $500K+ | 10K | $53.14 | Jan 20, 2026 |
| ROGERS MARK N | EVP & General Coun… | SELL | $100K–$500K | 5K | $49.28 | Jan 20, 2026 |
| ROGERS MARK N | EVP & General Coun… | EXERCISE | $15K–$50K | 5K | $7.40 | Jan 20, 2026 |
| CHURCHILL WINSTON J | Director | EXERCISE | $50K–$100K | 5K | $19.39 | Dec 17, 2025 |
| CHURCHILL WINSTON J | Director | SELL | $100K–$500K | 5K | $44.29 | Dec 17, 2025 |
| Rutten Guillaume Marie Jean | President and CEO | SELL | $100K–$500K | 10K | $44.80 | Dec 17, 2025 |
| ROGERS MARK N | EVP & General Coun… | SELL | $500K+ | 20K | $42.95 | Dec 17, 2025 |
| ROGERS MARK N | EVP & General Coun… | EXERCISE | $100K–$500K | 20K | $7.40 | Dec 17, 2025 |
| McCourt MaryFrances | Director | EXERCISE | $100K–$500K | 20K | $19.39 | Dec 16, 2025 |
| McCourt MaryFrances | Director | SELL | $500K+ | 20K | $46.02 | Dec 16, 2025 |
| Engel Kevin | Executive Vice Pre… | SELL | $500K+ | 11K | $46.21 | Dec 16, 2025 |
| Tily Gil C. | Director | SELL | $500K+ | 20K | $46.44 | Dec 16, 2025 |
| Rutten Guillaume Marie Jean | President and CEO | SELL | $100K–$500K | 10K | $31.68 | Nov 19, 2025 |
| ROGERS MARK N | EVP & General Coun… | EXERCISE | $100K–$500K | 20K | $7.40 | Nov 19, 2025 |
| ROGERS MARK N | EVP & General Coun… | SELL | $500K+ | 20K | $31.69 | Nov 19, 2025 |
| Rutten Guillaume Marie Jean | President and CEO | SELL | $100K–$500K | 10K | $30.00 | Sep 23, 2025 |
| Haghighi Farshad | Executive Vice Pre… | SELL | $100K–$500K | 12K | $25.00 | Sep 10, 2025 |
| ROGERS MARK N | EVP & General Coun… | SELL | $100K–$500K | 15K | $23.58 | Jul 31, 2025 |
| KIM AGNES C | Insider | SELL | $1M+ | 870K | $21.85 | Feb 26, 2025 |
| KIM DAVID D | Insider | BUY | $1M+ | 870K | $21.85 | Feb 26, 2025 |
| SUJODA Investments, LP | Insider | BUY | $1M+ | 870K | $21.85 | Feb 26, 2025 |
| Sujoda Management, LLC | Insider | BUY | $1M+ | 870K | $21.85 | Feb 26, 2025 |
| KIM JOHN T | 10% Owner | BUY | $1M+ | 870K | $21.85 | Feb 26, 2025 |
| KIM SUSAN Y | Director | BUY | $1M+ | 870K | $21.85 | Feb 26, 2025 |
| KIM JAMES J | 10% Owner | SELL | $1M+ | 870K | $21.85 | Feb 26, 2025 |
| Engel Kevin | Executive Vice Pre… | EXERCISE | N/A | 910 | — | Feb 26, 2025 |
| Engel Kevin | Executive Vice Pre… | SELL | $100K–$500K | 5K | $21.69 | Feb 26, 2025 |
| Rutten Guillaume Marie Jean | President and CEO | SELL | $100K–$500K | 10K | $31.51 | Oct 17, 2024 |
| CHURCHILL WINSTON J | Director | EXERCISE | $100K–$500K | 20K | $11.71 | Aug 29, 2024 |
| CHURCHILL WINSTON J | Director | SELL | $500K+ | 20K | $32.97 | Aug 29, 2024 |
| Rutten Guillaume Marie Jean | President and CEO | EXERCISE | $100K–$500K | 15K | $14.17 | Aug 19, 2024 |
| Rutten Guillaume Marie Jean | President and CEO | SELL | $500K+ | 25K | $32.56 | Aug 19, 2024 |
| Rutten Guillaume Marie Jean | President and CEO | EXERCISE | $100K–$500K | 15K | $14.17 | Jun 20, 2024 |
| Rutten Guillaume Marie Jean | President and CEO | SELL | $500K+ | 25K | $34.82 | Jun 20, 2024 |
| Engel Kevin | Executive Vice Pre… | SELL | $100K–$500K | 5K | $33.22 | Jun 12, 2024 |
| ROGERS MARK N | EVP & General Coun… | SELL | $100K–$500K | 5K | $31.30 | May 3, 2024 |
| Rutten Guillaume Marie Jean | President and CEO | EXERCISE | $100K–$500K | 15K | $14.17 | Apr 18, 2024 |
| Rutten Guillaume Marie Jean | President and CEO | SELL | $500K+ | 25K | $31.17 | Apr 18, 2024 |
| Rutten Guillaume Marie Jean | President and CEO | EXERCISE | $100K–$500K | 15K | $10.85 | Feb 26, 2024 |
| Rutten Guillaume Marie Jean | President and CEO | SELL | $500K+ | 25K | $30.63 | Feb 26, 2024 |
🔓Seeing ranges? Sign in for exact trade values — free forever
Institutional Ownership
13F filings as of Dec 31, 2025 · 382 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 12.2M | $1M+ | SH |
| EARNEST PARTNERS LLC | 3.8M | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 3.6M | $1M+ | SH |
| STATE STREET CORP | 3.5M | $1M+ | SH |
| Point72 Asset Management, L.P. | 3.1M | $1M+ | SH |
| LSV ASSET MANAGEMENT | 2.8M | $1M+ | SH |
| FIRST TRUST ADVISORS LP | 2.7M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.1M | $1M+ | SH |
| Fisher Asset Management, LLC | 2.1M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.8M | $1M+ | SH |
| NORGES BANK | 1.4M | $1M+ | SH |
| PEAK6 LLC | 1.1M | $1M+ | SH (Call) |
| SEGALL BRYANT & HAMILL, LLC | 898K | $1M+ | SH |
| Allianz Asset Management GmbH | 862K | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 794K | $1M+ | SH |
| ENVESTNET ASSET MANAGEMENT INC | 720K | $1M+ | SH |
| SG Americas Securities, LLC | 700K | $1M+ | SH |
| Bandera Partners LLC | 694K | $1M+ | SH |
| Ardmore Road Asset Management LP | 469K | $1M+ | SH |
| ROYCE & ASSOCIATES LP | 452K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13D/A · Feb 17, 2026
0.2%
512K shares
SC 13D/A · May 16, 2025
0.2%
522K shares
SC 13G/A · Jul 8, 2024
4.9%
12.1M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
6.0%
14.8M shares
SC 13G/A · Jan 29, 2024
6.1%
14.9M shares
SC 13D/A · Sep 9, 2023
0.403 shares
Dimensional Fund Advisors LP 30-0447847
SC 13G/A · Feb 10, 2023
6.4%
15.7M shares
SC 13G · Feb 3, 2023
5.4%
13.2M shares
SC 13D/A · Jan 4, 2022
0.518 shares