Corporate insider · disclosed-activity record
Chen Stephen C.
General Counsel
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
23
Names touched
1
Disclosed $ (bull / bear)
$0 / $4.1M
Most active in: DUOL (23)
Disclosures, last 12 months
23 of 23 · linked to source| Date | Name | What | Disclosed $ | Receipt |
|---|---|---|---|---|
| 2026-05-18 | DUOL | sold | $80K | SEC ↗ |
| 2026-05-18 | DUOL | sold | $145K | SEC ↗ |
| 2026-05-18 | DUOL | filed notice to sell | $222K | SEC ↗ |
| 2026-05-15 | DUOL | sold | $92K | SEC ↗ |
| 2026-05-15 | DUOL | filed notice to sell | $92K | SEC ↗ |
| 2026-02-18 | DUOL | sold | $92K | SEC ↗ |
| 2026-02-18 | DUOL | sold | $9K | SEC ↗ |
| 2026-02-18 | DUOL | sold | $60K | SEC ↗ |
| 2026-02-18 | DUOL | sold | $55K | SEC ↗ |
| 2026-02-18 | DUOL | filed notice to sell | $213K | SEC ↗ |
| 2026-02-17 | DUOL | sold | $99K | SEC ↗ |
| 2026-02-17 | DUOL | filed notice to sell | $99K | SEC ↗ |
| 2025-11-18 | DUOL | sold | $56K | SEC ↗ |
| 2025-11-18 | DUOL | sold | $21K | SEC ↗ |
| 2025-11-18 | DUOL | sold | $104K | SEC ↗ |
| 2025-11-18 | DUOL | sold | $85K | SEC ↗ |
| 2025-11-18 | DUOL | filed notice to sell | $270K | SEC ↗ |
| 2025-11-17 | DUOL | sold | $228K | SEC ↗ |
| 2025-11-17 | DUOL | filed notice to sell | $228K | SEC ↗ |
| 2025-08-26 | DUOL | sold | $487K | SEC ↗ |
| 2025-08-26 | DUOL | filed notice to sell | $487K | SEC ↗ |
| 2025-08-15 | DUOL | sold | $422K | SEC ↗ |
| 2025-08-15 | DUOL | filed notice to sell | $422K | 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