CHEN JEFFREY

PrivateCIK: 2111679

CHEN JEFFREY sold 18.5% of their position (27K shares) of ASE TECHNOLOGY HOLDING CO., LTD. on the open market

Open‑market sale worth $12.25M — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales
InsiderCHEN JEFFREYCIK 2111679
Director
Since Mar 2026
-27K
Net shares
Net seller
$12.25M
Total sold
3
Open market trades
0B · 3S
3
Total transactions
27K disposed
Non-Derivative Transactions3

Ordinary Shares

Indirect
S · Sale

Shares

9K

Price / share

$446.00

Trade value

$4.01M

% of position

6.2%
4/16/2026
146K137K

Ordinary Shares

Indirect
S · Sale

Shares

9K

Price / share

$454.00

Trade value

$4.09M

% of position

6.6%
4/17/2026
137K128K

Ordinary Shares

Indirect
S · Sale

Shares

9K

Price / share

$461.50

Trade value

$4.15M

% of position

7.0%
4/20/2026
128K119K
Total

Net shares

27K

Net value

-$12.25M

Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)1

Ordinary Shares

Direct
Shares owned2.38M
Total
2.38M direct2.38M
Derivative Holdings (Post-Transaction)0
No derivative holdings reported
CHEN JEFFREY — Insider Transaction (Form 4) Filed Apr 20, 2026 | Finecho