Corporate insider · disclosed-activity record
LEIDEN JEFFREY M
Director
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
1
Bearish filings
20
Names touched
2
Disclosed $ (bull / bear)
$100K / $120.4M
Most active in: VRTX (20) · ODTX (1)
Disclosures, last 12 months
21 of 21 · linked to source| Date | Name | What | Disclosed $ | Receipt |
|---|---|---|---|---|
| 2026-05-08 | ODTX | bought | $100K | SEC ↗ |
| 2025-12-03 | VRTX | sold | $3.5M | SEC ↗ |
| 2025-12-03 | VRTX | sold | $1.0M | SEC ↗ |
| 2025-12-03 | VRTX | sold | $7.1M | SEC ↗ |
| 2025-12-03 | VRTX | sold | $1.1M | SEC ↗ |
| 2025-12-03 | VRTX | sold | $2.0M | SEC ↗ |
| 2025-12-03 | VRTX | sold | $582K | SEC ↗ |
| 2025-12-03 | VRTX | sold | $1.9M | SEC ↗ |
| 2025-12-03 | VRTX | sold | $942K | SEC ↗ |
| 2025-12-03 | VRTX | sold | $2.6M | SEC ↗ |
| 2025-12-03 | VRTX | sold | $2.6M | SEC ↗ |
| 2025-12-03 | VRTX | sold | $515K | SEC ↗ |
| 2025-12-03 | VRTX | sold | $4.7M | SEC ↗ |
| 2025-12-03 | VRTX | filed notice to sell | $27.6M | SEC ↗ |
| 2025-11-14 | VRTX | sold | $18K | SEC ↗ |
| 2025-11-14 | VRTX | sold | $9.4M | SEC ↗ |
| 2025-11-14 | VRTX | sold | $14.2M | SEC ↗ |
| 2025-11-14 | VRTX | filed notice to sell | $23.3M | SEC ↗ |
| 2025-11-13 | VRTX | sold | $8.2M | SEC ↗ |
| 2025-11-13 | VRTX | sold | $512K | SEC ↗ |
| 2025-11-13 | VRTX | filed notice to sell | $8.5M | 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