| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
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| Insider | Role | Shares | Value | Buys | Sells |
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| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
2 companies
David S Tierney is Director at CPRX, with reported holdings spanning 2 companies. From April 2015 to December 2025, the filings on record show 6 open-market purchases and 5 sales. David S Tierney's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $111K at current prices.
Our model assigns David S Tierney a middling insider score of 53/100, based on 8 past trades. Over a 12-month horizon, 42.9% of those trades were profitable, with an average 12-month return of -10.7%.
David S Tierney's largest disclosed position is in ZVRA as Director, worth about $111K. Net of sales, the ZVRA filings show accumulation of 25,000 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| Apr 21, 2015 | ZVRA Zevra Therapeutics, Inc. | Director | Buy | 5,000 | $11.00 | $55,000.00 | New |