AMKR: Rutten Guillaume Marie Jean discloses securities transactions

By AlphaYouPublished Sep 24, 2026Form 4

Stocks in this disclosure

Reported activity

Rutten Guillaume Marie Jean

Reporting filer

Rutten Guillaume Marie Jean reported Grant or award in AMKOR TECHNOLOGY, INC.: 3.9978 units of Restricted Stock Units (derivative), dated 2026-09-22. The full Form 4 contains 1 transaction entry.

Disclosed: Sep 24, 2026

Reported details

1 entry

All validated entries in this disclosure
Security	Owner	Date	Code	Action	Quantity	Price	Following holdings	Reporting delay	Filed terms and references
Restricted Stock Units (derivative)	Rutten Guillaume Marie Jean	2026-09-22	A	Grant or award	3.9978	0	2,619.514	2 days	Filed terms security Title: Restricted Stock Units id: F1 transaction Date: 2026-09-22 transaction Form Type: 4 transaction Code: A equity Swap Involved: 0 transaction Shares: 3.9978 transaction Price Per Share: 0 transaction Acquired Disposed Code: A id: F1 id: F1 underlying Security Title: Common Stock underlying Security Shares: 3.9978 shares Owned Following Transaction: 2619.5144 direct Or Indirect Ownership: D

Restricted Stock Units (derivative)

Owner: Rutten Guillaume Marie Jean
Date: 2026-09-22
Code: A
Action: Grant or award
Quantity: 3.9978
Price: 0
Following holdings: 2,619.514
Reporting delay: 2 days
Filed terms and references: Filed terms
security Title: Restricted Stock Units
id: F1
transaction Date: 2026-09-22
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Shares: 3.9978
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
id: F1
id: F1
underlying Security Title: Common Stock
underlying Security Shares: 3.9978
shares Owned Following Transaction: 2619.5144
direct Or Indirect Ownership: D

Purchases, sales, grants and option exercises are different transactions. The reported code identifies the action; it does not establish a motive.

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.
Rutten Guillaume Marie Jean: Director.
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.

Original sources

SEC ownership filing

Prepared automatically from public filing data. Report a correction.

Security

Owner

Date

Code

Action

Quantity

Price

Following holdings

Reporting delay

Filed terms and references

Restricted Stock Units (derivative)

Rutten Guillaume Marie Jean

2026-09-22

Grant or award

3.9978

2,619.514

2 days

Filed terms

security Title: Restricted Stock Units
id: F1
transaction Date: 2026-09-22
transaction Form Type: 4
transaction Code: A
equity Swap Involved: 0
transaction Shares: 3.9978
transaction Price Per Share: 0
transaction Acquired Disposed Code: A
id: F1
id: F1
underlying Security Title: Common Stock
underlying Security Shares: 3.9978
shares Owned Following Transaction: 2619.5144
direct Or Indirect Ownership: D

Filing context

Quantities and prices are shown in the units filed. No trade value is inferred from their product.

Rutten Guillaume Marie Jean: Director.

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.