Insider · CIK 0002064901
Leonardo Viana Nicacio
Files at TARA (Protara Therapeutics, Inc.), CRBP (Corbus Pharmaceuticals Holdings, Inc.). First filing -, latest -.
In brief
Leonardo Viana Nicacio files SEC Form 4 as officer at TARA (Protara Therapeutics, Inc.), and also at CRBP (Corbus Pharmaceuticals Holdings, Inc.). No open-market trade is on file; the transactions below are grants, exercises and other rows that carry no view on the price.
A track record needs three past buys with six months of prices behind them; Leonardo Viana Nicacio has 0, so none is measured yet.
Signals
This insider’s open-market buys and sells, scored.
Transactions
Every row this insider has filed, 6 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Aug 16, 2026 | CRBP Corbus Pharmaceuticals Holdings, Inc. | AGrant or award Common Stock, par value $0.0001 per share | +58,333 | $0.00 | $0 | 58,333 | Aug 17, 2026 |
| Aug 16, 2026 | CRBP Corbus Pharmaceuticals Holdings, Inc. | AGrant or award Stock options (right to buy)derivative | +191,676 | $0.00 | $0 | 191,676 | Aug 17, 2026 |
| Jan 16, 2026 | TARA Protara Therapeutics, Inc. | AGrant or award Common Stock | +26,000 | $0.00 | $0 | 78,181 | Jan 21, 2026 |
| Jan 16, 2026 | TARA Protara Therapeutics, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +158,000 | $0.00 | $0 | 158,000 | Jan 21, 2026 |
| Apr 15, 2025 | TARA Protara Therapeutics, Inc. | AGrant or award Common Stock | +50,000 | $0.00 | $0 | 52,181 | Apr 17, 2025 |
| Apr 15, 2025 | TARA Protara Therapeutics, Inc. | AGrant or award Stock Option (Right to Buy)derivative | +150,000 | $0.00 | $0 | 150,000 | Apr 17, 2025 |
Questions about Leonardo Viana Nicacio
Answered from the filings on this page, as of the latest one.
Is Leonardo Viana Nicacio buying or selling?
Leonardo Viana Nicacio has no open-market buy or sell on SEC Form 4; the filings on record are grants, exercises and other transactions.
How did Leonardo Viana Nicacio's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Leonardo Viana Nicacio has 0.
Where does Leonardo Viana Nicacio file Form 4?
Leonardo Viana Nicacio has filed Form 4 at TARA (Protara Therapeutics, Inc.) as Chief Medical Officer; CRBP (Corbus Pharmaceuticals Holdings, Inc.) as Chief Medical Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.