Nishant C Saxena
CIK 2136365 · View on SEC EDGAR ↗
Insider
First SEC filing: May 22, 2026 · Latest: June 3, 2026
On this page
Insider at
Insider transactions
3 buys (P)
0 sells (S)
Net:
$126,243
+ 2 non-open-market transactions below
Avg return of open purchases vs now:
22.2%
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
2 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 11, 2026 | CRBP | P | 2,600 | $9.63 | $25,038 | 77,900 Direct | +3.45% | Acquired | 2.3% (price as of 2026-08-20) |
| June 3, 2026 | CRBP | P | 9,000 | $7.58 | $68,220 | 75,300 Direct | +13.57% | Acquired | 29.9% (price as of 2026-08-20) |
| June 2, 2026 | CRBP | P | 4,500 | $7.33 | $32,985 | 66,300 Direct | +7.28% | Acquired | 34.4% (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 |
|---|---|---|---|---|---|---|---|
| May 21, 2026 | CRBP | Stock options (right to buy) | Common Stock (192,300) | $11.51 | May 21, 2036 | 192,300 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 22, 2026 | CRBP | Common Stock, par value $0.0001 per share | 3,500 | Direct |