Mark Worthington
CIK 1861464 · GENERAL COUNSEL and CCO · last filed 2026-04-13
Mark Worthington is a GENERAL COUNSEL and CCO who has filed 16 SEC Form 4 insider transactions across 2 companies since 2021. The most recent filing, for LONA, was dated Apr 13, 2026. Across all open-market trades the lifetime net is −$42.9K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $164.5K 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.
$164.5K
2
16
-$42.9K
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| LONA | GENERAL COUNSEL and CCO | 19,704 | $8.35 | $164.5K | -$7.1K | 2 | 2026-04-13 |
| LeonaBio, Inc. (ATHA) Delisted | General Counsel and CCO | 14,854 | $6.92 | $102.8K | -$35.8K | 14 | 2026-01-05 |
Recent Filings
16 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2026-04-13 | LONA | Grant (A) | — | $0 | EDGAR |
| 2026-03-05 | LONA | Mixed | +4,398 | -$7.1K | EDGAR |
| 2026-01-05 | LeonaBio, Inc. (ATHA) Delisted | Mixed | +2,791 | -$6.0K | EDGAR |
| 2025-12-29 | LeonaBio, Inc. (ATHA) Delisted | Grant (A) | — | $0 | EDGAR |
| 2025-07-02 | LeonaBio, Inc. (ATHA) Delisted | Mixed | +28,140 | -$2.5K | EDGAR |
| 2025-03-04 | LeonaBio, Inc. (ATHA) Delisted | Grant (A) | — | $0 | EDGAR |
| 2025-01-03 | LeonaBio, Inc. (ATHA) Delisted | Mixed | +31,808 | -$2.8K | EDGAR |
| 2024-10-03 | LeonaBio, Inc. (ATHA) Delisted | Grant (A) | — | $0 | EDGAR |
| 2024-09-05 | LeonaBio, Inc. (ATHA) Delisted | Mixed | +17,475 | $12.0K | EDGAR |
| 2024-02-16 | LeonaBio, Inc. (ATHA) Delisted | Mixed | +15,355 | $11.7K | EDGAR |