Leonardo Viana Nicacio

Chief Medical Officer, Proteon Therapeutics.

Companies

Corbus PharmaceuticalsChief Medical Officer Aug 4, 2026 to now¹
Proteon TherapeuticsChief Medical Officer Apr 17, 2025 to now²

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Corbus Pharmaceuticals CRBP58,333 shares³$256.7K at $4.40Aug 16, 2026
Proteon Therapeutics TARA78,181 shares⁴$186.1K at $2.38Jan 16, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

Aug 16, 2026Granted 58,333 shares of Corbus Pharmaceuticals³
Jan 16, 2026Granted 26,000 shares of Proteon Therapeutics⁴
Apr 15, 2025Granted 50,000 shares of Proteon Therapeutics⁵

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARCorbus Pharmaceuticals, Chief Medical Officer
2
SEC EDGARProteon Therapeutics, Chief Medical Officer
3
SEC EDGARCorbus Pharmaceuticals shares after the filing of Aug 16, 2026
4
SEC EDGARProteon Therapeutics shares after the filing of Jan 16, 2026
5
SEC EDGARForm 4 filed Apr 17, 2025