Changes in Beneficial Ownership · 4
Amkor Technology, Inc.
AMKRNASDAQEQUITYCurrent
Changes in Beneficial Ownership
Structured filing — 4
wk-form4_1790282318.xml
Filing details
- Report period
- 2026-09-22
- Issuer
- AMKOR TECHNOLOGY, INC.
- Issuer CIK
- 0001047127
- Trading symbol
- AMKR
Reporting owner 1
- Name
- CHURCHILL WINSTON J
- Reporting owner CIK
- 0000923792
- Relationship
- Director
- Address
- 500 SE MIZNER BLVD., APT 305A, BOCA RATON, FL, 33432-6083
Derivative transactions
| Security | Conversion / exercise price (USD) | Transaction date | Code | Amount | A / D | Price (USD) | Exercisable | Expires | Underlying security | Underlying shares | Owned after | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock Units | [F1] | 2026-09-22 | A · Form 4 | 3.9978 | A | 0 | [F1] | [F1] | Common Stock | 3.9978 | 2,619.5144 | D |
Table key
- A · Form 4
- Acquisition by grant, award or otherwise under Rule 16b-3(d)
- A
- Acquired
- D
- Direct
Footnotes
- F1
- Represents dividend equivalent units ("DEUs") accrued upon the payment of a dividend on September 22, 2026 with respect to time-vested restricted stock units ("RSUs") of Amkor Technology, Inc. (the "Issuer") granted to the Reporting Person on May 13, 2026. Each DEU represents an additional RSU subject to the same provisions as the RSU with respect to which the DEU was accrued.↩ 1↩ 2↩ 3
Signature 1
- Signed
- /s/ Mark N. Rogers, Attorney-in-Fact for Winston J. Churchill
- Date
- 2026-09-24
Company context
Amkor Technology, Inc. (Nasdaq: AMKR) is the world’s largest U.S. headquartered OSAT and is a global leader in outsourced semiconductor packaging and test services. With a strong track record of innovation, a broad and diverse geographic footprint and solid partnerships with lead customers, Amkor delivers high-quality solutions that enable the world’s leading semiconductor and electronics companies to bring advanced technologies to market. The company’s comprehensive portfolio includes advanced packaging, wafer-level processing, and system-in-package solutions targeting applications for smartphones, data centers, artificial intelligence, automobiles and wearables. For more information visit amkor.com.