Nicacio Leonardo Viana insider trades
Nicacio Leonardo Viana has filed 3 Form 4s with the SEC that we hold, for Protara Therapeutics, Inc. (TARA) (Chief Medical Officer) and Corbus Pharmaceuticals Holdings, Inc. (CRBP) (Chief Medical Officer). None of these filings reports a purchase (code P) or sale (code S) of common stock; they cover grants, option exercises and other codes. The first filing on our record is dated 2025-04-17 and the latest 2026-08-17.
Protara Therapeutics, Inc. (TARA)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Corbus Pharmaceuticals Holdings, Inc. (CRBP)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 2064901) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.
Source: U.S. Securities and Exchange Commission (EDGAR) and other official
government data · Updated 2026-10-12 ·
For informational purposes only, not investment advice.
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