AMKR — AMKOR TECHNOLOGY, INC.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Measured signals that fired on AMKR
| date | signal | measured base rate |
|---|---|---|
| 2026-08-19 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-28 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-17 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-07-06 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-05 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-03 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-17 | ROGERS MARK N EVP & General Counsel | Open-market sale 10b5-1 plan | 5.0K | 59.78 | 298.9K |
| 2026-08-17 | ROGERS MARK N EVP & General Counsel | Option exercise 10b5-1 plan | 5.0K | 7.40 | 37.0K |
| 2026-08-11 | Faust Megan CFO | Open-market sale 10b5-1 plan | 1.0K | 54.45 | 54.5K |
| 2026-08-07 | ALEXANDER DOUGLAS A Director | Open-market sale 10b5-1 plan | 5.0K | 55.81 | 279.1K |
| 2026-08-07 | ALEXANDER DOUGLAS A Director | Option exercise 10b5-1 plan | 5.0K | 8.51 | 42.5K |
| 2026-08-06 | Rutten Guillaume Marie Jean Director | Open-market sale | 25.0K | 54.50 | 1.4M |
| 2026-08-05 | Rutten Guillaume Marie Jean Director | Open-market sale | 25.0K | 55.35 | 1.4M |
| 2026-07-30 | Engel Kevin K. President and CEO | Open-market sale | 3.2K | 47.00 | 151.4K |
| 2026-07-30 | CHURCHILL WINSTON J Director | Gift | 100 | 0.00 | 0 |
| 2026-07-20 | KIM JAMES J 10% owner | Option exercise | 250.0K | 9.48 | 2.4M |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 584.0M | 13.0M |
| DIMENSIONAL FUND ADVISORS LP | 494.9M | 11.0M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 409.6M | 9.1M |
| VANGUARD CAPITAL MANAGEMENT LLC | 244.7M | 5.4M |
| JPMORGAN CHASE & CO | 223.0M | 5.4M |
| STATE STREET CORP | 163.4M | 3.6M |
| EARNEST PARTNERS LLC | 154.5M | 3.4M |
| AQR CAPITAL MANAGEMENT LLC | 141.4M | 3.2M |
| Point72 Asset Management, L.P. | 134.8M | 3.0M |
| GEODE CAPITAL MANAGEMENT, LLC | 123.0M | 2.7M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 4 | 2026-08-19 | 2026-08-17 | on EDGAR ↗ |
| 144 | 2026-08-17 | — | on EDGAR ↗ |
| 4 | 2026-08-13 | 2026-08-11 | on EDGAR ↗ |
| 4 | 2026-08-11 | 2026-08-07 | on EDGAR ↗ |
| 144 | 2026-08-11 | — | on EDGAR ↗ |
| 4 | 2026-08-07 | 2026-08-05 | on EDGAR ↗ |
| 144 | 2026-08-07 | — | on EDGAR ↗ |
| 144 | 2026-08-06 | — | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- AMKOR TECHNOLOGY, INC. (AMKR) filed form 4 · 2026-08-19 · SEC EDGAR
- AMKOR TECHNOLOGY, INC. (AMKR) filed form 144 · 2026-08-17 · SEC EDGAR
- Amkor Technology mulls stake sale in $1.5B China unit amid U.S. expansion - report · 2026-08-11
- Amkor considers stake sale in $1.5 bln China business, Bloomberg reports · 2026-08-11
- Amkor Is Said to Mull Stake Sale in $1.5 Billion China Unit · 2026-08-11
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