Yong Ben
CIK 1967669 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 18, 2025 · Latest: Aug. 18, 2025
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 13 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 |
|---|---|---|---|---|---|---|---|---|---|
| July 1, 2026 | BBOT | F | 1,047 | $7.80 | $8,167 | 44,576 Direct | -2.29% | Disposed | 22.9% (price as of 2026-08-20) |
| May 19, 2026 | CRBP | A | 12,300 | — | — | 12,300 Direct | — | Acquired | (price as of 2026-08-20) |
| May 19, 2026 | CRBP | A | 3,800 | — | — | 11,383 Direct | +50.11% | Acquired | (price as of 2026-08-20) |
| April 1, 2026 | BBOT | F | 1,047 | $9.03 | $9,454 | 45,623 Direct | -2.24% | Disposed | 6.2% (price as of 2026-08-20) |
| March 10, 2026 | BBOT | A | 210,000 | — | — | 210,000 Direct | — | Acquired | (price as of 2026-08-20) |
| March 10, 2026 | BBOT | A | 46,670 | — | — | 46,670 Direct | — | Acquired | (price as of 2026-08-20) |
| Aug. 26, 2025 | BBOT | A | 357,177 | — | — | 357,177 Direct | — | Acquired | (price as of 2026-08-20) |
| May 30, 2025 | CRBP | A | 16,000 | — | — | 16,000 Direct | — | Acquired | (price as of 2026-08-20) |
| May 30, 2025 | CRBP | A | 4,800 | — | — | 7,583 Direct | +172.48% | Acquired | (price as of 2026-08-20) |
| May 30, 2024 | CRBP | A | 2,783 | — | — | 2,783 Direct | — | Acquired | (price as of 2026-08-20) |
| May 16, 2024 | CRBP | A | 2,783 | — | — | 2,783 Direct | — | Acquired | (price as of 2026-08-20) |
| May 18, 2023 | CRBP | A | 5,300 | — | — | 5,300 Direct | — | Acquired | (price as of 2026-08-20) |
| March 6, 2023 | CRBP | A | 5,307 | — | — | 5,307 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 |
|---|---|---|---|---|---|---|---|
| May 19, 2026 | CRBP | Stock options (right to buy) | Common Stock (12,300) | $9.15 | May 19, 2026 | 12,300 | Acquired |
| March 10, 2026 | BBOT | Stock Option (Right to Buy) | Common Stock (210,000) | $10.19 | March 9, 2036 | 210,000 | Acquired |
| Aug. 26, 2025 | BBOT | Stock Option (Right to Buy) | Common Stock (357,177) | $9.59 | Aug. 25, 2035 | 357,177 | Acquired |
| May 30, 2025 | CRBP | Stock options (right to buy) | Common Stock (16,000) | $7.42 | May 30, 2035 | 16,000 | Acquired |
| May 16, 2024 | CRBP | Stock Option (right to buy) | Common Stock (2,783) | $45.92 | May 16, 2034 | 2,783 | Acquired |
| May 18, 2023 | CRBP | Stock Option (right to buy) | Common Stock (5,300) | $9.96 | May 18, 2033 | 5,300 | Acquired |
| March 6, 2023 | CRBP | Stock Option(right to buy) [F1] | Common Stock (5,307) | $2.85 | March 6, 2023 | 5,307 | 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.