Chang Hung-Lun (Fred)

Insider

*** Senior Vice President and North America General Manager

Trades at: AAOI

30D 90D 1Y

Net shares · 365d

-164.1K

0 buy · 164.1K sell

Net value · 365d

-$23.2M

$0 in · $23.2M out

Sentiment · 365d

Net selling

0% buying · 100% selling

Open-market trades · 365d

0 buy · 164.1K sell

Trading track record · all companies

Running net of open-market buys − sells across every company. Tap the line or a marker for details. ▲ buy · ▼ sell.

Transactions · 365d

Open-market Buys Sells All types

AAOI Sell·S
Jun 17, 26

*** Senior Vice President and… · 10b5-1

$6.9M

40.3K sh · $170.60

Own -12%
AAOI Sell·S
Jun 12, 26

*** Senior Vice President and…

$5.7M

34.0K sh · $166.53

Own -9%
AAOI Other·F
Jun 12, 26

*** Senior Vice President and…

$4.7M

27.3K sh · $172.78

Own -7%
AAOI Sell·S
Jun 5, 26

*** Senior Vice President and…

$800.3K

4.0K sh · $200.07

Own -1%
AAOI Sell·S
May 19, 26

*** Senior Vice President and…

$5.8M

33.6K sh · $173.26

Own -8%
AAOI Other·F
May 19, 26

*** Senior Vice President and…

$5.2M

27.3K sh · $190.36

Own -6%
AAOI Grant·A
May 15, 26

*** Senior Vice President and…

$0

224.2K sh

Own +98%
AAOI Other·F
Apr 22, 26

*** Senior Vice President and…

$773.9K

5.1K sh · $150.57 avg · 4 lots

Own -2%
AAOI Sell·S
Mar 16, 26

*** See Remarks

$3.6M

36.4K sh · $100.25

Own -13%
AAOI Grant·A
Feb 9, 26

*** See Remarks

$0

25.8K sh

Own +11%
AAOI Other·F
Jan 22, 26

*** See Remarks

$243.3K

6.3K sh · $38.38 avg · 4 lots

Own -2%
AAOI Other·F
Oct 22, 25

*** See Remarks

$192.7K

5.8K sh · $33.40 avg · 4 lots

Own -2%
AAOI Sell·S
Aug 13, 25

*** See Remarks

$358.3K

15.8K sh · $22.70

Own -6%
AAOI Other·F
Jul 22, 25

*** See Remarks

$190.0K

6.7K sh · $28.23 avg · 5 lots

Own -2%

Date▾	Ticker	Role	Type	Shares	Own Δ	Price	Value
Jun 17, 2026	AAOI	*** Senior Vice President and North America General Manager	Sell S	40.3K	-12%	$170.60	$6.9M
Jun 12, 2026	AAOI	*** Senior Vice President and North America General Manager	Sell S	34.0K	-9%	$166.53	$5.7M
Jun 12, 2026	AAOI	*** Senior Vice President and North America General Manager	Other F	27.3K	-7%	$172.78	$4.7M
Jun 5, 2026	AAOI	*** Senior Vice President and North America General Manager	Sell S	4.0K	-1%	$200.07	$800.3K
May 19, 2026	AAOI	*** Senior Vice President and North America General Manager	Sell S	33.6K	-8%	$173.26	$5.8M
May 19, 2026	AAOI	*** Senior Vice President and North America General Manager	Other F	27.3K	-6%	$190.36	$5.2M
May 15, 2026	AAOI	*** Senior Vice President and North America General Manager	Grant A	224.2K	+98%	—	$0
Apr 22, 2026	AAOI	*** Senior Vice President and North America General Manager.	Other F	5.1K4 lots	-2%	$150.57 avg	$773.9K
Mar 16, 2026	AAOI	*** See Remarks	Sell S	36.4K	-13%	$100.25	$3.6M
Feb 9, 2026	AAOI	*** See Remarks	Grant A	25.8K	+11%	—	$0
Jan 22, 2026	AAOI	*** See Remarks	Other F	6.3K4 lots	-2%	$38.38 avg	$243.3K
Oct 22, 2025	AAOI	*** See Remarks	Other F	5.8K4 lots	-2%	$33.40 avg	$192.7K
Aug 13, 2025	AAOI	*** See Remarks	Sell S	15.8K	-6%	$22.70	$358.3K
Jul 22, 2025	AAOI	*** See Remarks	Other F	6.7K5 lots	-2%	$28.23 avg	$190.0K

Buy Sell Non-market (grant · exercise · gift)

About Chang Hung-Lun (Fred)

This profile aggregates every SEC Form 4 insider transaction reported by Chang Hung-Lun (Fred) 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.