Informed actor · disclosed-activity record
KANG SUN
Director (via Morgan Stanley Smith Barney LLC)
Every row below is a public disclosure this person or firm filed, dated and linked to its source. This is a factual record of what was disclosed and when — what it means, and whether any timing is coincidence or signal, is a judgment this page deliberately does not make.
Bullish filings
0
Bearish filings
19
Names touched
1
Disclosed $ (bull / bear)
$0 / $90.6M
Most active in: AMPX (19)
Disclosures, last 12 months
19 of 19 · linked to source| Date | Name | What | Disclosed $ | Receipt |
|---|---|---|---|---|
| 2026-05-28 | AMPX | filed notice to sell | $6K | SEC ↗ |
| 2026-05-26 | AMPX | filed notice to sell | $1.0M | SEC ↗ |
| 2026-04-01 | AMPX | filed notice to sell | $25.3M | SEC ↗ |
| 2026-03-23 | AMPX | sold | $2.9M | SEC ↗ |
| 2026-03-23 | AMPX | sold | $1.2M | SEC ↗ |
| 2026-03-23 | AMPX | filed notice to sell | $3.5M | SEC ↗ |
| 2026-02-24 | AMPX | filed notice to sell | $622K | SEC ↗ |
| 2026-02-23 | AMPX | sold | $622K | SEC ↗ |
| 2026-01-20 | AMPX | sold | $476K | SEC ↗ |
| 2026-01-16 | AMPX | sold | $10.5M | SEC ↗ |
| 2026-01-16 | AMPX | filed notice to sell | $10.3M | SEC ↗ |
| 2026-01-12 | AMPX | sold | $5.1M | SEC ↗ |
| 2026-01-12 | AMPX | filed notice to sell | $4.8M | SEC ↗ |
| 2025-11-25 | AMPX | filed notice to sell | $692K | SEC ↗ |
| 2025-11-21 | AMPX | sold | $692K | SEC ↗ |
| 2025-11-17 | AMPX | sold | $10.6M | SEC ↗ |
| 2025-11-17 | AMPX | filed notice to sell | $11.3M | SEC ↗ |
| 2025-08-25 | AMPX | filed notice to sell | $448K | SEC ↗ |
| 2025-08-21 | AMPX | sold | $448K | SEC ↗ |
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Public filings only, shown as filed; the linked filing is the authoritative record. Descriptive, not investment advice — and never an allegation: proximity of a disclosure to any event is a fact of dates, not a conclusion about intent. Methodology · Today's notable signals