Chang Hung-Lun (Fred)
- SEC CIK
- 0001587462
In the past year, 6 open-market sale filings worth $26.4M and no purchases.
Current role at each company
- AAOI Applied Optoelectronics, Inc.*** See Remarksas of Sep 10, 2026
Open-market trades in the past year
Open-market purchases (P) and sales (S) filed in the last 365 days, not counting derivative securities or duplicate filings. Values leave out price outliers.
- Bought
- –
- 0 filings
- Sold
- $26.4M
- 6 filings
- Net
- −$26.4M
- Bought minus sold
- Companies
- 1
- With open-market trades
Trades
Every Form 4 that lists Chang Hung-Lun (Fred) as a reporting owner, including filings made jointly with others, grouped by company. Each row adds up one type of transaction in one filing. Only open-market purchases (P) and sales (S) are shown by default.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 10, 2026 (view filing)4:27 PM ET | Sep 8 | 2 days | Chang Hung-Lun (Fred)*** See Remarks | SSaleCommon Stock, $.001 par value | −32.2K | $110.21 | −$3.55M | −11.4%249.3K after | |
| Jun 18, 2026 (view filing) | Jun 17 | 1 day | Chang Hung-Lun (Fred)*** See Remarks | SSaleCommon Stock, $.001 par value | −40.3K | $170.60 | −$6.88M | −12.4%286.1K after | 10b5-1 |
| Jun 16, 2026 (view filing) | Jun 12 | 4 days | Chang Hung-Lun (Fred)*** See Remarks | SSaleCommon Stock, $.001 par value | −34.0K | $166.53 | −$5.66M | −9.4%326.5K after | |
| Jun 8, 2026 (view filing) | Jun 5 | 3 days | Chang Hung-Lun (Fred)*** See Remarks | SSaleCommon Stock, $.001 par value | −4.00K | $200.07 | −$800.3K | −1.0%387.8K after | |
| May 19, 2026 (view filing) | May 19 | Same day | Chang Hung-Lun (Fred)*** See Remarks | SSaleCommon Stock, $.001 par value | −33.6K | $173.26 | −$5.83M | −7.9%391.8K after | |
| Mar 18, 2026 (view filing) | Mar 16 | 2 days | Chang Hung-Lun (Fred)*** See Remarks | SSaleCommon Stock, $.001 par value | −36.4K | $100.25 | −$3.65M | −13.5%233.6K after | |
| Aug 14, 2025 (view filing) | Aug 13 | 1 day | Chang Hung-Lun (Fred)*** See Remarks | SSaleCommon Stock, $.001 par value | −15.8K | $22.70 | −$358.3K | −5.8%256.3K after | |
| May 14, 2025 (view filing) | May 13 | 1 day | Chang Hung-Lun (Fred)*** See Remarks | SSaleCommon Stock, $.001 par value | −23.8K | $19.06 | −$454.3K | −7.9%278.8K after | |
| Dec 10, 2024 (view filing) | Nov 8-20 | 32 days | Chang Hung-Lun (Fred)*** See Remarks | SSaleCommon Stock, $.001 par value | −28.5K | $28.82 | −$822.0K | −12.7%196.3K after | Amended2 lots |
| Nov 22, 2024 (view filing) | Nov 20 | 2 days | Chang Hung-Lun (Fred)*** See Remarks | SSaleCommon Stock, $.001 par value | −20.3K | $30.35 | −$616.8K | −9.4%195.6K after | |
| Aug 11, 2023 (view filing) | Aug 10 | 1 day | Chang Hung-Lun (Fred)*** See Remarks | SSaleCommon Stock, $.001 par value | −13.6K | $14.08 | −$192.0K | −5.8%221.9K after | |
| Aug 10, 2023 (view filing) | Aug 8 | 2 days | Chang Hung-Lun (Fred)*** See Remarks | SSaleCommon Stock, $.001 par value | −32.3K | $12.07 | −$390.4K | −12.1%235.5K after | |
| Nov 14, 2022 (view filing) | Nov 10 | 4 days | Chang Hung-Lun (Fred)*** See Remarks | SSaleCommon Stock, $.001 par value | −50.5K | $2.15 | −$108.6K | −22.4%174.8K after |