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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
6
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
$13.3M$6.7M$0Oct 2024Apr 2025Oct 2025Apr 2026Nov 2024 · sells $1.1MDec 2024 · sells $822KMay 2025 · sells $454KAug 2025 · sells $358KMar 2026 · sells $3.6MMay 2026 · sells $5.8MJun 2026 · sells $13.3MSep 2026 · sells $3.5M
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 → $617K
20,323 sh × $30.35
Exec Nov 20 2024
Filed Nov 22 2024 · 5:30 PM ET
AAOISALE Applied Optoelectronics, Inc. View filing → $822K
28,518 sh across 2 lots
Exec Nov 8 2024
Filed Dec 10 2024 · 5:30 PM ET †
AAOISALE Applied Optoelectronics, Inc. View filing → $444K
18,915 sh across 2 lots
Exec Nov 8 2024
Filed Nov 12 2024 · 5:30 PM ET