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Page built 2026-09-29
Data as of 2026-09-29
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Chang Hung-Lun (Fred): insider trades

Every open market trade Chang Hung-Lun (Fred) has filed with the SEC, when each filing appeared, and how the buys did against the S&P 500 once the filing was public.

Key Facts

  • Chang Hung-Lun (Fred) is listed as *** See Remarks at AAOI.
  • Between 2026-05-19 (19 May 2026) and 2026-09-10 (10 September 2026) Chang Hung-Lun (Fred) filed 0 open market buys worth $0 and 5 open market sales worth $23M.
  • None of Chang Hung-Lun (Fred)'s buys has matured 90 days yet, so there is no return to report.
  • Data as of 2026-09-29 (29 September 2026).
Open market buys 0 $0
Open market sales 5 $23M
Avg vs S&P, 90d n/a 0 scored buys
Beat the S&P n/a 90 days after entry

Would copying Chang Hung-Lun (Fred) have paid?

prices as of 2026-09-28

The result. None of Chang Hung-Lun (Fred)'s buys has matured 90 days yet, so there is no return to report.

Average return of Chang Hung-Lun (Fred)'s open market buys against the S&P 500.
Days after entryScored buysAvg vs S&PBeat S&PEntry monthst statisticReading
30 days 0 n/a n/a n/a n/a too few trades to tell
90 days 0 n/a n/a n/a n/a too few trades to tell
180 days 0 n/a n/a n/a n/a too few trades to tell

A return curve needs at least 10 scored buys. Chang Hung-Lun (Fred) does not have enough yet.

Stocks traded

  1. AAOI5 trades, $23M

Every open market trade

as of 2026-09-29
5 trades.
Open market trades filed by Chang Hung-Lun (Fred), newest first.
FiledStockTypeSharesPriceValue90 day vs S&P
10 Sep 2026 AAOI sell 32,172 $110.21 $3.5M n/a
18 Jun 2026 AAOI sell 40,329 $170.60 $6.9M n/a
16 Jun 2026 AAOI sell 34,000 $166.53 $5.7M n/a
8 Jun 2026 AAOI sell 4,000 $200.07 $800K n/a
19 May 2026 AAOI sell 33,630 $173.26 $5.8M n/a

Insider sales are shown but not scored, because they are often planned for tax or diversification reasons.

Frequently asked questions

What has Chang Hung-Lun (Fred) bought and sold?

Between 2026-05-19 (19 May 2026) and 2026-09-10 (10 September 2026) Chang Hung-Lun (Fred) filed 0 open market buys worth $0 and 5 open market sales worth $23M.

Did Chang Hung-Lun (Fred)'s buys beat the market?

None of Chang Hung-Lun (Fred)'s buys has matured 90 days yet, so there is no return to report. Insider sales are not scored because they are often planned for tax or diversification reasons.

Sources: Insider trades: SEC Form 4 filings, collected from Finviz. Prices: Yahoo Finance daily adjusted closes. Data as of 2026-09-29 (29 September 2026). About these sources.

Not investment advice. Past disclosed trades do not predict future returns. Disclosures are published late, so the trades shown are ones you could only have copied after the fact. Talk to a licensed adviser before you invest.