Corporate insider · disclosed-activity record
Constantin Ionel Stefan
Officer (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
17
Names touched
1
Disclosed $ (bull / bear)
$0 / $21.8M
Most active in: AMPX (17)
Disclosures, last 12 months
17 of 17 · linked to source| Date | Name | What | Disclosed $ | Receipt |
|---|---|---|---|---|
| 2026-05-28 | AMPX | filed notice to sell | $55K | SEC ↗ |
| 2026-05-27 | AMPX | sold | $55K | SEC ↗ |
| 2026-05-26 | AMPX | filed notice to sell | $426K | SEC ↗ |
| 2026-05-21 | AMPX | sold | $426K | SEC ↗ |
| 2026-02-24 | AMPX | filed notice to sell | $258K | SEC ↗ |
| 2026-02-23 | AMPX | sold | $258K | SEC ↗ |
| 2026-01-28 | AMPX | sold | $476K | SEC ↗ |
| 2026-01-23 | AMPX | sold | $19K | SEC ↗ |
| 2026-01-22 | AMPX | sold | $5.9M | SEC ↗ |
| 2026-01-21 | AMPX | sold | $879K | SEC ↗ |
| 2026-01-21 | AMPX | filed notice to sell | $8.0M | SEC ↗ |
| 2025-12-11 | AMPX | sold | $2.1M | SEC ↗ |
| 2025-12-11 | AMPX | filed notice to sell | $2.2M | SEC ↗ |
| 2025-11-25 | AMPX | filed notice to sell | $252K | SEC ↗ |
| 2025-11-21 | AMPX | sold | $252K | SEC ↗ |
| 2025-08-25 | AMPX | filed notice to sell | $131K | SEC ↗ |
| 2025-08-21 | AMPX | sold | $131K | 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