ALEXANDER DOUGLAS A

PrivateCIK: 1195858
Location

RADNOR, PA

ALEXANDER DOUGLAS A sold 14.7% of their position (5K shares) of AMKOR TECHNOLOGY, INC. on the open market

Open‑market sale worth $382.9K — a moderate reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 2 sales
InsiderALEXANDER DOUGLAS ACIK 1195858
IssuerAMKOR TECHNOLOGY, INC.CIK 1047127
Director
Since May 2019
-5K
Net shares
Net seller
$382.9K
Total sold
2
Open market trades
0B · 2S
6
Total transactions
5K acquired · 10K disposed
Non-Derivative Transactions4

Common Stock

Direct
M · Option Exercise

Shares

+4.66K

Price / share

$9.45

Trade value

$44.01K

% of position

16.0%
5/5/2026
29.11K33.77K

Common Stock

Direct
S · Sale

Shares

4.66K

Price / share

$76.58

Trade value

$356.63K

% of position

13.8%
5/5/2026
33.77K29.11K

Common Stock

Direct
M · Option Exercise

Shares

+343.00

Price / share

$8.51

Trade value

$2.92K

% of position

1.2%
5/5/2026
29.11K29.45K

Common Stock

Direct
S · Sale

Shares

343.00

Price / share

$76.58

Trade value

$26.27K

% of position

1.2%
5/5/2026
29.45K29.11K
Total

Net shares

+0.00

Net value

-$335.97K

Derivative Transactions2

Director Stock Option (Right-to-Buy)

Direct
M · Option Exercise
Converts to

Common Stock

4.66K shares

Shares

4.66K

Strike price

9.45

Held after

0.00

Exercisable

5/5/2026

Director Stock Option (Right-to-Buy)

Direct
M · Option Exercise
Converts to

Common Stock

343.00 shares

Shares

343.00

Strike price

8.51

Held after

19.66K

Exercisable

5/5/2026
ALEXANDER DOUGLAS A — Insider Transaction (Form 4) Filed May 7, 2026 | Finecho