Updated Jul 16, 2026
Tierney David S is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market sales: $525K.

| Role | Director |
|---|---|
| Notability | 20/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-12-30 | CPRX | CATALYST PHARMACEUTICALS, INC. | M — Option exercise | 1.3K | — | |
| 2025-08-27 | CPRX | CATALYST PHARMACEUTICALS, INC. | S — Open-market sale | 26.0K | $20.20 | $525K |
| 2025-08-27 | CPRX | CATALYST PHARMACEUTICALS, INC. | M — Option exercise | 50.0K | $2.24 | $112K |
| 2024-12-31 | CPRX | CATALYST PHARMACEUTICALS, INC. | M — Option exercise | 1.3K | — | |
| 2024-12-11 | CPRX | CATALYST PHARMACEUTICALS, INC. | M — Option exercise | 1.4K | — |
Tierney David S is a corporate insider — currently tracked as Director. InsiderAlpha tracks every SEC Form 4 filing in real time.
Recorded transactions: 0 open-market purchases () and 1 open-market sales ($525K) across all tracked filings.
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Open the live Tierney David S profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.