Aleksandra Rizo
CIK 1766210 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 4, 2021 · Latest: Feb. 4, 2021
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 6 non-open-market transactions below
last 12 months, based on the transactions shown below
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 4, 2026 | SNDX | A | 24,000 | — | — | 49,000 Direct | +96.00% | Acquired | (price as of 2026-08-21) |
| Feb. 5, 2025 | SNDX | A | 25,000 | — | — | 25,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 16, 2022 | GERN | A | 750,000 | — | — | 750,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 2, 2021 | GERN | A | 300,000 | — | — | 300,000 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 12, 2020 | GERN | A | 291,375 | — | — | 291,375 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 30, 2019 | GERN | A | 750,000 | — | — | 750,000 Direct | — | Acquired | (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 16, 2022 | GERN | Employee Stock Option (right to buy) | Common Stock (750,000) | $1.06 | Feb. 15, 2032 | 750,000 | Acquired |
| Feb. 2, 2021 | GERN | Employee Stock Option (right to buy) | Common Stock (300,000) | $2.06 | Feb. 1, 2031 | 300,000 | Acquired |
| Feb. 12, 2020 | GERN | Employee Stock Option (right to buy) | Common Stock (291,375) | $1.30 | Feb. 11, 2030 | 291,375 | Acquired |
| Jan. 30, 2019 | GERN | Employee Stock Option (right to buy) | Common Stock (750,000) | $1.03 | Jan. 29, 2029 | 750,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).