Hung-Lun (Fred) Chang
CIK 1587462 · *** See Remarks · last filed 2026-06-08
Hung-Lun (Fred) Chang is a *** See Remarks who has filed 110 SEC Form 4 insider transactions across 1 company since 2013. The most recent filing shows the insider sold $800.3K of AAOI on Jun 8, 2026. Across all open-market trades the lifetime net is −$15.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $65.5M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$65.55M
1
110
-$15.76M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| AAOI | *** See Remarks | 387,750 | $169.05 | $65.55M | -$15.76M | 110 | 2026-06-08 |
Recent Filings
110 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-06-08 | AAOI | Sell (S) | −4,000 | -$800.3K | EDGAR |
| 2026-05-19 | AAOI | Mixed | +163,272 | -$11.02M | EDGAR |
| 2026-04-24 | AAOI | Tax (F) | −5,140 | -$773.9K | EDGAR |
| 2026-03-18 | AAOI | Sell (S) | −36,400 | -$3.65M | EDGAR |
| 2026-02-11 | AAOI | Grant (A) | +25,799 | $0 | EDGAR |
| 2026-01-26 | AAOI | Tax (F) | −6,338 | -$243.3K | EDGAR |
| 2025-10-24 | AAOI | Tax (F) | −5,769 | -$192.7K | EDGAR |
| 2025-08-14 | AAOI | Sell (S) | −15,784 | -$358.3K | EDGAR |
| 2025-07-24 | AAOI | Tax (F) | −6,732 | -$190.0K | EDGAR |
| 2025-05-14 | AAOI | Sell (S) | −23,837 | -$454.3K | EDGAR |