Martin Javier San
CIK 1794629 · CHIEF MEDICAL OFFICER · last filed 2026-04-13
Martin Javier San is a CHIEF MEDICAL OFFICER who has filed 15 SEC Form 4 insider transactions across 3 companies since 2020. The most recent filing, for LONA, was dated Apr 13, 2026. Across all open-market trades the lifetime net is −$4.2M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $15.5M across reported positions.
"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.
$15.50M
3
15
-$4.18M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| LONA | CHIEF MEDICAL OFFICER | 17,607 | $8.35 | $147.0K | -$9.2K | 2 | 2026-04-13 |
| LeonaBio, Inc. (ATHA) Delisted | CHIEF MEDICAL OFFICER | 11,833 | $6.92 | $81.9K | -$20.6K | 7 | 2026-01-05 |
| ARWR | Chief Medical Officer | 206,000 | $74.52 | $15.35M | -$4.15M | 6 | 2024-01-08 |
Recent Filings
15 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-04-13 | LONA | Grant (A) | — | $0 | EDGAR |
| 2026-03-05 | LONA | Mixed | +5,698 | -$9.2K | EDGAR |
| 2026-01-05 | LeonaBio, Inc. (ATHA) Delisted | Mixed | +3,023 | -$11.3K | EDGAR |
| 2025-12-29 | LeonaBio, Inc. (ATHA) Delisted | Grant (A) | — | $0 | EDGAR |
| 2025-07-02 | LeonaBio, Inc. (ATHA) Delisted | Mixed | +35,824 | -$3.2K | EDGAR |
| 2025-03-04 | LeonaBio, Inc. (ATHA) Delisted | Grant (A) | — | $0 | EDGAR |
| 2025-01-03 | LeonaBio, Inc. (ATHA) Delisted | Mixed | +35,841 | -$6.1K | EDGAR |
| 2024-10-03 | LeonaBio, Inc. (ATHA) Delisted | Grant (A) | — | $0 | EDGAR |
| 2024-04-16 | LeonaBio, Inc. (ATHA) Delisted | Grant (A) | — | $0 | EDGAR |
| 2024-01-08 | ARWR | Mixed | +66,697 | -$292.8K | EDGAR |