John Charles Stone - 25 Jun 2021 Form 4 Insider Report for AMKOR TECHNOLOGY, INC. (AMKR)

Role
Executive Vice President
Signature
Mark N. Rogers, Attorney-in-Fact for John Charles Stone
Issuer symbol
AMKR
Transactions as of
25 Jun 2021
Net transactions value
-$136,125
Form type
4
Filing time
29 Jun 2021, 17:21:41 UTC
Next filing
27 Aug 2021
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction AMKR Common Stock Options Exercise $88,875 +9,375 +30% $9.48 40,927 25 Jun 2021 Direct
transaction AMKR Common Stock Sale $225,000 -9,375 -23% $24.00 31,552 25 Jun 2021 Direct F1
holding AMKR Common Stock 2,000 25 Jun 2021 Held in Trust

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction AMKR Employee Stock Option (Right-to-Buy) Options Exercise $0 -9,375 -12% $0.000000 65,625 25 Jun 2021 Common Stock 9,375 $9.48 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 16, 2021.
F2 This stock option was granted on February 15, 2019 and will vest over four years as follows: 25% on the first anniversary of the grant date and 1/16 of the option will vest each quarter thereafter so that at the end of the fourth year, 100% of the option will be vested.