David S Tierney
CIK 1292636 · Pres and CEO · last filed 2025-12-30
David S Tierney is a Pres and CEO who has filed 91 SEC Form 4 insider transactions across 7 companies since 2007. The most recent filing, for CPRX, was dated Dec 30, 2025. Across all open-market trades the lifetime net is −$2.8M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $12.8M 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.
$12.82M
7
91
-$2.81M
Holdings By Company
| Symbol | Role | Shares | Price | Disclosed Exposure | Lifetime OM Net | Filings | Latest Filed |
|---|---|---|---|---|---|---|---|
| CPRX | Director | 383,314 | $31.36 | $12.02M | -$2.94M | 48 | 2025-12-30 |
| ZVRA | Director | 10,835 | $12.65 | $137.1K | $20.7K | 1 | 2023-03-13 |
| ZEVRA THERAPEUTICS, INC. (KMPH) Delisted | Director | 5,835 | $5.81 | $33.9K | $90.1K | 15 | 2022-06-30 |
| Timber Pharmaceuticals, Inc. (BPMX) Delisted | Pres and CEO | 7,500,000 | — | — | $20.2K | 3 | 2019-06-14 |
| NEXM | Director | 267,948 | $2.49 | $667.2K | $0 | 12 | 2009-10-19 |
| BIOJECT MEDICAL TECHNOLOGIES INC (BJCT) Delisted | Director | 6,000 | — | — | $0 | 6 | 2008-06-16 |
| Valera Pharmaceuticals Inc (VLRX) Delisted | President and CEO | 0 | — | — | $0 | 2 | 2007-04-18 |
Recent Filings
91 filings| Filed | Symbol | Action | Net Shares | Net $ | Link |
|---|---|---|---|---|---|
| 2025-12-30 | CPRX | Exer (M) | +1,334 | $0 | EDGAR |
| 2025-12-10 | CPRX | Exer (M) | +1,413 | $0 | EDGAR |
| 2025-11-24 | CPRX | Mixed | +947 | $0 | EDGAR |
| 2025-08-28 | CPRX | Mixed | +24,000 | -$413.2K | EDGAR |
| 2025-02-19 | CPRX | Exer (M) | +4,000 | $0 | EDGAR |
| 2024-12-31 | CPRX | Exer (M) | +1,333 | $0 | EDGAR |
| 2024-12-11 | CPRX | Exer (M) | +1,413 | $0 | EDGAR |
| 2024-11-25 | CPRX | Grant (A) | — | $0 | EDGAR |
| 2024-08-23 | CPRX | Mixed | — | -$241.3K | EDGAR |
| 2024-04-10 | CPRX | Mixed | — | -$291.8K | EDGAR |