Christina Rizopoulos Valauri
CIK 2005448 · View on SEC EDGAR ↗
First SEC filing: July 9, 2024 · Latest: July 9, 2024
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Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 15, 2026 | PRPO | A | 108 | $25.24 | $2,726 | 5,628 Direct | +1.96% | Acquired | 8.8% (price as of 2026-08-20) |
| April 15, 2026 | PRPO | A | 93 | $29.49 | $2,743 | 5,520 Direct | +1.71% | Acquired | -6.9% (price as of 2026-08-20) |
| Jan. 15, 2026 | PRPO | A | 406 | $24.00 | $9,744 | 5,427 Direct | +8.09% | Acquired | 14.4% (price as of 2026-08-20) |
| Jan. 2, 2026 | PRPO | A | 1,500 | — | — | 1,500 Direct | — | Acquired | (price as of 2026-08-20) |
| Jan. 14, 2025 | PRPO | A | 1,000 | — | — | 1,000 Direct | — | Acquired | (price as of 2026-08-20) |
| Oct. 15, 2024 | PRPO | A | 1,472 | $6.62 | $9,745 | 5,021 Direct | +41.48% | Acquired | 314.7% (price as of 2026-08-20) |
| Aug. 9, 2024 | VBIO | A | 3,000 | — | — | 3,000 Direct | — | Acquired | (price as of 2026-08-20) |
| July 15, 2024 | PRPO | A | 2,103 | $4.63 | $9,737 | 3,549 Direct | +145.44% | Acquired | 492.9% (price as of 2026-08-20) |
| June 21, 2024 | PRPO | A | 1,000 | — | — | 1,000 Direct | — | Acquired | (price as of 2026-08-20) |
| April 15, 2024 | PRPO | A | 1,446 | $6.74 | $9,746 | 1,446 Direct | — | Acquired | 307.3% (price as of 2026-08-20) |
| Jan. 2, 2024 | PRPO | A | 259 | — | — | 259 Direct | — | Acquired | (price as of 2026-08-20) |
| Jan. 2, 2024 | PRPO | A | 103 | — | — | 103 Direct | — | Acquired | (price as of 2026-08-20) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Jan. 2, 2026 | PRPO | Stock Option (Right to Buy) | Common Stock (1,500) | $23.82 | Jan. 2, 2036 | 1,500 | Acquired |
| Jan. 14, 2025 | PRPO | Stock Option (Right to Buy) | Common Stock (1,000) | $6.06 | Jan. 14, 2035 | 1,000 | Acquired |
| Aug. 9, 2024 | VBIO | Employee Stock Option (Right to Buy) | Common Stock (3,000) | $0.41 | Aug. 8, 2034 | 3,000 | Acquired |
| June 21, 2024 | PRPO | Stock Option (Right to Buy) | Common Stock (1,000) | $4.98 | June 21, 2034 | 1,000 | Acquired |
| Jan. 2, 2024 | PRPO | Employee Stock Option (right to buy) | Common Stock (259) | $6.52 | Jan. 2, 2034 | 259 | Acquired |
| Jan. 2, 2024 | PRPO | Employee Stock Option (right to buy) | Common Stock (103) | $6.52 | Jan. 2, 2034 | 103 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.