Hung-Lun (Fred) Chang
Insider*** Senior Vice President and North America General Manager
Trades at: AAOI
Net shares · 90d
-112.0K
0 buy · 112.0K sell
Net value · 90d
-$19.2M
$0 in · $19.2M out
Sentiment · 90d
Net selling
0% buying · 100% selling
Open-market trades · 90d
4
0 buy · 112.0K sell
Net buy / sell volume (all companies)
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Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
Show open-market only-
AAOI Sell·S
*** Senior Vice President and… · 10b5-1
$6.9M
40.3K sh · $170.60
Own -12%
-
AAOI Sell·S
*** Senior Vice President and…
$5.7M
34.0K sh · $166.53
Own -9%
-
AAOI Other·F
*** Senior Vice President and…
$4.7M
27.3K sh · $172.78
Own -7%
-
AAOI Sell·S
*** Senior Vice President and…
$800.3K
4.0K sh · $200.07
Own -1%
-
AAOI Sell·S
*** Senior Vice President and…
$5.8M
33.6K sh · $173.26
Own -8%
-
AAOI Other·F
*** Senior Vice President and…
$5.2M
27.3K sh · $190.36
Own -6%
-
AAOI Grant·A
*** Senior Vice President and…
$0
224.2K sh
Own +98%
-
AAOI Other·F
*** Senior Vice President and…
$101.9K
677 sh · $150.57
Own -0%
-
AAOI Other·F
*** Senior Vice President and…
$128.0K
850 sh · $150.57
Own -0%
-
AAOI Other·F
*** Senior Vice President and…
$101.3K
673 sh · $150.57
Own -0%
-
AAOI Other·F
*** Senior Vice President and…
$442.7K
2.9K sh · $150.57
Own -1%
| Date▾ | Ticker | Type | Shares | Value |
|---|---|---|---|---|
| Jun 17, 2026 | AAOI | Sell S | 40.3K | $6.9M |
| Jun 12, 2026 | AAOI | Sell S | 34.0K | $5.7M |
| Jun 12, 2026 | AAOI | Other F | 27.3K | $4.7M |
| Jun 5, 2026 | AAOI | Sell S | 4.0K | $800.3K |
| May 19, 2026 | AAOI | Sell S | 33.6K | $5.8M |
| May 19, 2026 | AAOI | Other F | 27.3K | $5.2M |
| May 15, 2026 | AAOI | Grant A | 224.2K | $0 |
| Apr 22, 2026 | AAOI | Other F | 677 | $101.9K |
| Apr 22, 2026 | AAOI | Other F | 850 | $128.0K |
| Apr 22, 2026 | AAOI | Other F | 673 | $101.3K |
| Apr 22, 2026 | AAOI | Other F | 2.9K | $442.7K |
About Hung-Lun (Fred) Chang
This profile aggregates every SEC Form 4 insider transaction reported by Hung-Lun (Fred) Chang across all companies they trade. Open-market purchases (code P) and sales (code S) are the highest-signal, discretionary trades; grants (A), option exercises (M) and gifts (G) reflect compensation rather than conviction and carry no market price. Figures cover the selected period and update as new filings are ingested.