Harout Semerjian
CIK 1809747 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 10, 2021 · Latest: Aug. 8, 2025
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 5 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
5 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Nov. 11, 2022 | CBIO | P | 25,000 | $1.29 | $32,250 | 25,000 Direct | — | Acquired | -87.4% (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 |
|---|---|---|---|---|---|---|---|
| Aug. 7, 2025 | GERN | Stock Option (right to buy) | Common Stock (4,000,000) | $1.30 | Aug. 6, 2035 | 4,000,000 | Acquired |
| Aug. 7, 2025 | GERN | Stock Option (right to buy) | Common Stock (7,000,000) | $1.30 | Aug. 6, 2035 | 7,000,000 | Acquired |
| Jan. 12, 2024 | CBIO | Employee Stock Option (right to buy) | Common Stock (695,000) | $3.11 | Jan. 11, 2034 | 695,000 | Acquired |
| Jan. 19, 2023 | CBIO | Employee Stock Option (right to buy) | Common Stock (651,200) | $2.55 | Jan. 18, 2033 | 651,200 | Acquired |
| Jan. 21, 2022 | CBIO | Employee Stock Option (right to buy) | Common Stock (423,500) | $1.11 | Jan. 20, 2032 | 423,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.