Chang Hung-Lun (Fred)

*** See Remarks · 2 recent trades · Sold $10.4M

Chang Hung-Lun (Fred) (*** See Remarks) has 2 recent open-market trades disclosed in SEC Form 4 filings. Total sells: $10.4M. Most recent tickers: AAOI.

Date	Stock	Action	Value
2026-09-08	AAOI APPLIED OPTOELECTRONICS, INC.	Sell	$3.5M
2026-06-17	AAOI APPLIED OPTOELECTRONICS, INC.	Sell	$6.9M

Open-market insider buys and sells disclosed by Chang Hung-Lun (Fred) in SEC Form 4 filings (excludes routine option/RSU administration). All insider trades →

Related ▾

AAOI stock All insider trades

FAQ ▾

Which stocks has Chang Hung-Lun (Fred) traded?

Recent Form 4 activity in: AAOI.

How many insider trades has Chang Hung-Lun (Fred) disclosed?

2 recent open-market transactions on file (SEC Form 4).

Is Chang Hung-Lun (Fred) buying or selling?

Sells total $10.4M.

Where does this data come from?

SEC Form 4 insider-transaction filings (open-market buys and sells).

Sourced from SEC Form 4 insider filings · Not investment advice ▾

SEC EDGAR Form 4

Data as of 2026-09-08 · Methodology

Open-market insider transactions (Form 4 codes P/S) as reported to the SEC.

Published by WealthFile · Not investment advice.