Corporate insider · disclosed-activity record
Chief Engineering Officer
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
2
Bearish filings
34
Names touched
1
Disclosed $ (bull / bear)
$220K / $6.3M
Most active in: DUOL (36)
| Date | Name | What | Disclosed $ | Receipt |
|---|---|---|---|---|
| 2026-08-18 | DUOL | sold | $69K | SEC ↗ |
| 2026-08-18 | DUOL | sold | $143K | SEC ↗ |
| 2026-08-18 | DUOL | filed notice to sell | $200K | SEC ↗ |
| 2026-08-17 | DUOL | sold | $355K | SEC ↗ |
| 2026-08-17 | DUOL | filed notice to sell | $355K | SEC ↗ |
| 2026-05-18 | DUOL | sold | $148K | SEC ↗ |
| 2026-05-18 | DUOL | sold | $233K | SEC ↗ |
| 2026-05-18 | DUOL | filed notice to sell | $377K | SEC ↗ |
| 2026-05-15 | DUOL | sold | $216K | SEC ↗ |
| 2026-05-15 | DUOL | filed notice to sell | $216K | SEC ↗ |
| 2026-02-27 | DUOL | exercised options & held the shares | $172K | — |
| 2026-02-18 | DUOL | sold | $19K | SEC ↗ |
| 2026-02-18 | DUOL | sold | $174K | SEC ↗ |
| 2026-02-18 | DUOL | sold | $42K | SEC ↗ |
| 2026-02-18 | DUOL | sold | $168K | SEC ↗ |
| 2026-02-18 | DUOL | filed notice to sell | $397K | SEC ↗ |
| 2026-02-17 | DUOL | sold | $192K | SEC ↗ |
| 2026-02-17 | DUOL | filed notice to sell | $192K | SEC ↗ |
| 2025-12-05 | DUOL | exercised options & held the shares | $48K | — |
| 2025-11-18 | DUOL | sold | $149K | SEC ↗ |
| 2025-11-18 | DUOL | sold | $99K | SEC ↗ |
| 2025-11-18 | DUOL | sold | $28K | SEC ↗ |
| 2025-11-18 | DUOL | sold | $130K | SEC ↗ |
| 2025-11-18 | DUOL | sold | $28K | SEC ↗ |
| 2025-11-18 | DUOL | filed notice to sell | $441K | SEC ↗ |
11 more disclosures in the window — the full record, track record, and validation are for members.
Want the read on this corporate insider?
Members see the evaluated track record, whether it survives statistical validation, live alerts when this filer moves, and the full history.
Create a free account →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