David Raben
First SEC filing: Sept. 12, 2024 · Latest: Sept. 12, 2024
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 1, 2026 | PLRX | A | 575,000 | · | · | 575,000 Direct | · | Acquired | (price as of 2026-10-02) |
| April 27, 2026 | BCAX | M 10b5-1 | 5,500 | $3.79 | $20,845 | 60,786 Direct | +9.95% | Acquired | 365.2% (price as of 2026-10-02) |
| April 27, 2026 | BCAX | S 10b5-1 | 5,500 | $22.88 | $125,840 | 55,286 Direct | -9.05% | Disposed | -22.9% (price as of 2026-10-02) |
| April 27, 2026 | BCAX | M 10b5-1 | 5,500 | · | · | 41,913 Direct | -11.60% | Disposed | (price as of 2026-10-02) |
| March 25, 2026 | BCAX | M 10b5-1 | 5,500 | $3.79 | $20,845 | 60,786 Direct | +9.95% | Acquired | 365.2% (price as of 2026-10-02) |
| March 25, 2026 | BCAX | S 10b5-1 | 5,500 | $18.95 | $104,225 | 55,286 Direct | -9.05% | Disposed | -7.0% (price as of 2026-10-02) |
| March 25, 2026 | BCAX | M 10b5-1 | 5,500 | · | · | 47,413 Direct | -10.39% | Disposed | (price as of 2026-10-02) |
| March 4, 2026 | BCAX | M 10b5-1 | 16,300 | $3.79 | $61,777 | 71,586 Direct | +29.48% | Acquired | 365.2% (price as of 2026-10-02) |
| March 4, 2026 | BCAX | S 10b5-1 | 16,300 | $18.52 | $301,876 | 55,286 Direct | -22.77% | Disposed | -4.8% (price as of 2026-10-02) |
| March 4, 2026 | BCAX | M 10b5-1 | 16,300 | · | · | 52,913 Direct | -23.55% | Disposed | (price as of 2026-10-02) |
| March 3, 2026 | BCAX | M 10b5-1 | 200 | $3.79 | $758 | 55,486 Direct | +0.36% | Acquired | 365.2% (price as of 2026-10-02) |
| March 3, 2026 | BCAX | S 10b5-1 | 200 | $18.45 | $3,690 | 55,286 Direct | -0.36% | Disposed | -4.4% (price as of 2026-10-02) |
| March 3, 2026 | BCAX | M 10b5-1 | 200 | · | · | 69,213 Direct | -0.29% | Disposed | (price as of 2026-10-02) |
| Feb. 2, 2026 | BCAX | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-02) |
| Dec. 26, 2025 | BCAX | M | 19,789 | $3.79 | $75,000 | 55,286 Direct | +55.75% | Acquired | 365.2% (price as of 2026-10-02) |
| Dec. 26, 2025 | BCAX | M | 19,789 | · | · | 98,987 Direct | -16.66% | Disposed | (price as of 2026-10-02) |
| Nov. 25, 2025 | BCAX | M 10b5-1 | 4,594 | $3.79 | $17,411 | 40,091 Direct | +12.94% | Acquired | 365.2% (price as of 2026-10-02) |
| Nov. 25, 2025 | BCAX | S 10b5-1 | 4,594 | $18.84 | $86,551 | 35,497 Direct | -11.46% | Disposed | -6.4% (price as of 2026-10-02) |
| Nov. 25, 2025 | BCAX | M 10b5-1 | 906 | $3.79 | $3,434 | 36,403 Direct | +2.55% | Acquired | 365.2% (price as of 2026-10-02) |
| Nov. 25, 2025 | BCAX | S 10b5-1 | 906 | $18.84 | $17,069 | 35,497 Direct | -2.49% | Disposed | -6.4% (price as of 2026-10-02) |
| Nov. 25, 2025 | BCAX | M 10b5-1 | 4,594 | · | · | 118,776 Direct | -3.72% | Disposed | (price as of 2026-10-02) |
| Nov. 25, 2025 | BCAX | M 10b5-1 | 906 | · | · | 69,413 Direct | -1.29% | Disposed | (price as of 2026-10-02) |
| Nov. 24, 2025 | BCAX | M 10b5-1 | 5,500 | $3.79 | $20,845 | 40,997 Direct | +15.49% | Acquired | 365.2% (price as of 2026-10-02) |
| Nov. 24, 2025 | BCAX | S 10b5-1 | 5,500 | $18.45 | $101,475 | 35,497 Direct | -13.42% | Disposed | -4.4% (price as of 2026-10-02) |
| Nov. 24, 2025 | BCAX | M 10b5-1 | 5,500 | · | · | 123,370 Direct | -4.27% | Disposed | (price as of 2026-10-02) |
| Oct. 9, 2025 | BCAX | M 10b5-1 | 22,000 | $3.79 | $83,380 | 57,497 Direct | +61.98% | Acquired | 365.2% (price as of 2026-10-02) |
| Oct. 9, 2025 | BCAX | S 10b5-1 | 22,000 | $18.45 | $405,900 | 35,497 Direct | -38.26% | Disposed | -4.4% (price as of 2026-10-02) |
| Oct. 9, 2025 | BCAX | M 10b5-1 | 22,000 | · | · | 128,870 Direct | -14.58% | Disposed | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Oct. 1, 2026 | PLRX | Stock Option (Right to Buy) | Common Stock | $1.05 | Oct. 1, 2036 | 575,000 | Acquired |
| April 27, 2026 | BCAX | Stock Option (Right to Buy) | Common Stock | $3.79 | Aug. 8, 2023 | 5,500 | Disposed |
| March 25, 2026 | BCAX | Stock Option (Right to Buy) | Common Stock | $3.79 | Aug. 8, 2023 | 5,500 | Disposed |
| March 4, 2026 | BCAX | Stock Option (Right to Buy) | Common Stock | $3.79 | Aug. 8, 2023 | 16,300 | Disposed |
| March 3, 2026 | BCAX | Stock Option (Right to Buy) | Common Stock | $3.79 | Aug. 8, 2023 | 200 | Disposed |
| Feb. 2, 2026 | BCAX | Stock Option (Right to Buy) | Common Stock | $16.76 | Feb. 2, 2036 | 100,000 | Acquired |
| Dec. 26, 2025 | BCAX | Stock Option (Right to Buy) | Common Stock | $3.79 | Aug. 8, 2033 | 19,789 | Disposed |
| Nov. 25, 2025 | BCAX | Stock Option (Right to Buy) | Common Stock | $3.79 | Aug. 8, 2033 | 4,594 | Disposed |
| Nov. 25, 2025 | BCAX | Stock Option (Right to Buy) | Common Stock | $3.79 | Aug. 8, 2023 | 906 | Disposed |
| Nov. 24, 2025 | BCAX | Stock Option (Right to Buy) | Common Stock | $3.79 | Aug. 8, 2033 | 5,500 | Disposed |
| Oct. 9, 2025 | BCAX | Stock Option (Right to Buy) | Common Stock | $3.79 | Aug. 8, 2033 | 22,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 5 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Sept. 12, 2024 | BCAX | Common Stock | 35,497 | Direct |
| Sept. 12, 2024 | BCAX | Stock Option (Right to Buy) | 150,870 | Direct |
| Sept. 12, 2024 | BCAX | Stock Option (Right to Buy) | 70,319 | Direct |
| Sept. 12, 2024 | BCAX | Stock Option (Right to Buy) | 134,892 | Direct |
| Sept. 12, 2024 | BCAX | Stock Option (Right to Buy) | 216,368 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $525,000 | $5,000 | · | · | $170,625 | · | $8,539 | $709,164 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.