Moulder Leon O JR insider trades
Moulder Leon O JR has filed 23 Form 4s with the SEC that we hold, for Zenas BioPharma, Inc. (ZBIO) (See Remarks, Director), Zai Lab Ltd (ZLAB) (Director), Dianthus Therapeutics, Inc. /DE/ (DNTH) (Director) and TRVN (Director). Across all of them we count 19 purchases worth $7.9M and 0 sales worth $0 reported on Form 4. In the last 12 months: 9 purchases ($5.8M) and 0 sales ($0). The largest single trade was a purchase of 57,000 shares of Zenas BioPharma, Inc. worth $1.0M, dated 2026-02-02. The first filing on our record is dated 2022-01-04 and the latest 2026-06-22.
Zenas BioPharma, Inc. (ZBIO)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2024-09-18 | P, purchase reported on Form 4 | 10,000 | $179.1K | 2024-09-20 |
| 2024-09-19 | P, purchase reported on Form 4 | 5,000 | $89.5K | 2024-09-20 |
| 2024-09-20 | P, purchase reported on Form 4 | 2,633 | $49.9K | 2024-09-20 |
| 2024-09-20 | P, purchase reported on Form 4 | 2,367 | $42.3K | 2024-09-20 |
| 2024-11-18 | P, purchase reported on Form 4 | 7,500 | $112.5K | 2024-11-20 |
| 2024-11-19 | P, purchase reported on Form 4 | 2,500 | $36.4K | 2024-11-20 |
| 2024-12-03 | P, purchase reported on Form 4 | 25,000 | $269.0K | 2024-12-04 |
| 2024-12-04 | P, purchase reported on Form 4 | 45,000 | $449.1K | 2024-12-04 |
| 2025-02-18 | P, purchase reported on Form 4 | 25,000 | $166.8K | 2025-02-19 |
| 2025-10-07 | P, purchase reported on Form 4 | 36,928 | $769.9K | 2025-10-09 |
| 2026-01-07 | P, purchase reported on Form 4 | 50,000 | $819.0K | 2026-01-09 |
| 2026-01-08 | P, purchase reported on Form 4 | 30,000 | $489.0K | 2026-01-09 |
| 2026-01-09 | P, purchase reported on Form 4 | 20,000 | $331.0K | 2026-01-09 |
| 2026-02-02 | P, purchase reported on Form 4 | 57,000 | $1.0M | 2026-02-03 |
| 2026-03-30 | P, purchase reported on Form 4 | 20,000 | $364.6K | 2026-03-31 |
| 2026-03-31 | P, purchase reported on Form 4 | 34,000 | $656.5K | 2026-03-31 |
| 2026-04-28 | P, purchase reported on Form 4 | 25,000 | $450.5K | 2026-04-29 |
| 2026-04-29 | P, purchase reported on Form 4 | 35,000 | $616.7K | 2026-04-29 |
| 2026-05-18 | P, purchase reported on Form 4 | 60,000 | $1.0M | 2026-05-18 |
Zai Lab Ltd (ZLAB)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Dianthus Therapeutics, Inc. /DE/ (DNTH)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
TRVN
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1228865) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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