David S Tierney insider trades

Open-market stock purchases and sales by David S Tierney, Director at Catalyst Pharmaceuticals, Inc, from SEC Form 4 filings since Jun 10, 2010.

Track record: 100% of 1 scored buy are up 5% or more since purchase, averaging +149%.

Recent trades

DateStockTradeValue
Jul 15, 2026CPRX Catalyst Pharmaceuticals, IncSold (not open market)—
Jul 15, 2026CPRX Catalyst Pharmaceuticals, IncSold (not open market)$12.1M
Jul 15, 2026CPRX Catalyst Pharmaceuticals, IncSold (not open market)—
Jul 15, 2026CPRX Catalyst Pharmaceuticals, IncSold (not open market)—
Jul 15, 2026CPRX Catalyst Pharmaceuticals, IncSold (not open market)—
Jul 15, 2026CPRX Catalyst Pharmaceuticals, IncSold (not open market)—
Jul 15, 2026CPRX Catalyst Pharmaceuticals, IncSold (not open market)—
Jul 15, 2026CPRX Catalyst Pharmaceuticals, IncSold (not open market)—
Jul 15, 2026CPRX Catalyst Pharmaceuticals, IncSold (not open market)—
Jul 15, 2026CPRX Catalyst Pharmaceuticals, IncSold (not open market)—
Jul 15, 2026CPRX Catalyst Pharmaceuticals, IncSold (not open market)—
Dec 29, 2025CPRX Catalyst Pharmaceuticals, IncBought (not open market)—
Dec 8, 2025CPRX Catalyst Pharmaceuticals, IncBought (not open market)—
Nov 21, 2025CPRX Catalyst Pharmaceuticals, IncBought (not open market)—
Nov 20, 2025CPRX Catalyst Pharmaceuticals, IncBought (not open market)—
Nov 20, 2025CPRX Catalyst Pharmaceuticals, IncBought (not open market)—

Companies traded

  • CPRX Catalyst Pharmaceuticals, Inc: 2 buys, 8 sales, last Jul 15, 2026
  • ZVRA Zevra Therapeutics, Inc: 1 buy, last Mar 9, 2023
  • KMPH Kempharm, Inc: 8 buys, last Jun 28, 2022
  • BPMX BioPharmX Corp: 1 buy, last Jun 12, 2019
  • BJCT Bioject Medical Technologies Inc: other filings, last Apr 30, 2014

Get free alerts when David S Tierney files a new trade →