Hung-Lun (Fred) Chang

*** See Remarks

Hung-Lun (Fred) Chang (*** See Remarks) filed 6 Form 4 reports in the trailing twelve months (0 purchases, 6 sales), most often in Applied Optoelectronics, Inc. (AAOI). The largest single filing was $6.9M of AAOI (40,329 sh × $170.60, as filed), executed Jun 17.

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Return, ttmiAverage return per filing, trailing twelve months

–

no purchases on file

Delay-adjustediThe same average, entered at disclosure dates

–

returns measure stock purchases only

Filings, ttm

0 buys · 6 sells

Median delay

–

execution → disclosure

Volume, ttmiDollar value disclosed in the trailing twelve months

$26.4M

shares × price, as filed

Last traded

Sep 8

Filed Sep 10

Median ADV $1.5B across their filed names

Open performance→

Volume by month

Buys $0 Sells $29.1M

Shares × price, as filed · by filing month · past 24 months

Sectors filed on

Technology 6 filings

Sector per market data · by filing · past 12 months

Most traded names

AAOI

Applied Optoelectronics, Inc. AAOI · 0 buys · 11 sells 11 filings

Recent filings

AAOISALE Applied Optoelectronics, Inc. View filing → $3.5M
32,172 sh × $110.21
Exec Sep 8
Filed Sep 10 · 4:27 PM ET AAOISALE Applied Optoelectronics, Inc. View filing → $6.9M
40,329 sh × $170.60
Exec Jun 17
Filed Jun 18 · 5:30 PM ET AAOISALE Applied Optoelectronics, Inc. View filing → $5.7M
34,000 sh × $166.53
Exec Jun 12
Filed Jun 16 · 5:30 PM ET AAOISALE Applied Optoelectronics, Inc. View filing → $800K
4,000 sh × $200.07
Exec Jun 5
Filed Jun 8 · 5:30 PM ET AAOISALE Applied Optoelectronics, Inc. View filing → $5.8M
33,630 sh × $173.26
Exec May 19
Filed May 19 · 5:30 PM ET AAOISALE Applied Optoelectronics, Inc. View filing → $3.6M
36,400 sh × $100.25
Exec Mar 16
Filed Mar 18 · 5:30 PM ET AAOISALE Applied Optoelectronics, Inc. View filing → $358K
15,784 sh × $22.70
Exec Aug 13 2025
Filed Aug 14 2025 · 5:30 PM ET AAOISALE Applied Optoelectronics, Inc. View filing → $454K
23,837 sh × $19.06
Exec May 13 2025
Filed May 14 2025 · 5:30 PM ET More filings →