Jay M Short PHD
CIK 1205375 · View on SEC EDGAR ↗
First SEC filing: June 5, 2026 · Latest: June 5, 2026
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 20, 2023 | BCAB | P | 50,000 | $2.14 | $107,000 | 1,439,283 Direct | +3.60% | Acquired | -97.0% (price as of 2026-08-19) |
| March 29, 2023 | BCAB | P | 40,800 | $2.47 | $100,776 | 1,412,387 Direct | +2.97% | Acquired | -97.4% (price as of 2026-08-19) |
| Aug. 12, 2022 | BCAB | P | 26,350 | $7.84 | $206,584 | 1,396,556 Direct | +1.92% | Acquired | -99.2% (price as of 2026-08-19) |
| June 22, 2022 | BCAB | P 10b5-1 | 40,308 | $2.91 | $117,296 | 1,375,982 Direct | +3.02% | Acquired | -97.8% (price as of 2026-08-19) |
| June 21, 2022 | BCAB | P 10b5-1 | 29,082 | $2.79 | $81,139 | 1,335,674 Direct | +2.23% | Acquired | -97.7% (price as of 2026-08-19) |
| Nov. 29, 2021 | BCAB | S | 15,435 | $23.89 | $368,742 | 1,368,433 Direct | -1.12% | Disposed | -99.7% (price as of 2026-08-19) |
| Nov. 24, 2021 | BCAB | S | 4,859 | $25.77 | $125,216 | 1,383,868 Direct | -0.35% | Disposed | -99.7% (price as of 2026-08-19) |
| Nov. 24, 2021 | BCAB | S | 5,852 | $25.00 | $146,300 | 1,388,727 Direct | -0.42% | Disposed | -99.7% (price as of 2026-08-19) |
| Nov. 24, 2021 | BCAB | S | 6,311 | $24.05 | $151,780 | 1,394,579 Direct | -0.45% | Disposed | -99.7% (price as of 2026-08-19) |
| Nov. 23, 2021 | BCAB | S | 9,082 | $26.04 | $236,495 | 1,400,890 Direct | -0.64% | Disposed | -99.8% (price as of 2026-08-19) |
| Nov. 23, 2021 | BCAB | S | 15,861 | $24.28 | $385,105 | 1,409,972 Direct | -1.11% | Disposed | -99.7% (price as of 2026-08-19) |
| Nov. 22, 2021 | BCAB | S | 15,675 | $26.24 | $411,312 | 1,425,833 Direct | -1.09% | Disposed | -99.8% (price as of 2026-08-19) |
| Aug. 24, 2021 | BCAB | S | 4,533 | $41.60 | $188,573 | 793,547 Indirect | -0.57% | Disposed | -99.8% (price as of 2026-08-19) |
| June 21, 2021 | BCAB | S | 1,700 | $39.89 | $67,813 | 790,333 Indirect | -0.21% | Disposed | -99.8% (price as of 2026-08-19) |
| June 21, 2021 | BCAB | S | 35,725 | $39.54 | $1,412,566 | 792,033 Indirect | -4.32% | Disposed | -99.8% (price as of 2026-08-19) |
| June 21, 2021 | BCAB | S | 17,575 | $38.24 | $672,068 | 827,758 Indirect | -2.08% | Disposed | -99.8% (price as of 2026-08-19) |
| June 17, 2021 | BCAB | S | 19,269 | $39.22 | $755,730 | 845,333 Indirect | -2.23% | Disposed | -99.8% (price as of 2026-08-19) |
| June 16, 2021 | BCAB | S | 4,068 | $40.08 | $163,045 | 864,602 Indirect | -0.47% | Disposed | -99.8% (price as of 2026-08-19) |
| June 16, 2021 | BCAB | S | 31,349 | $39.33 | $1,232,956 | 868,670 Indirect | -3.48% | Disposed | -99.8% (price as of 2026-08-19) |
| June 15, 2021 | BCAB | S | 2 | $41.01 | $82 | 900,019 Indirect | 0.00% | Disposed | -99.8% (price as of 2026-08-19) |
| June 15, 2021 | BCAB | S | 12,348 | $40.27 | $497,254 | 900,021 Indirect | -1.35% | Disposed | -99.8% (price as of 2026-08-19) |
| June 15, 2021 | BCAB | S | 19,673 | $39.36 | $774,329 | 912,369 Indirect | -2.11% | Disposed | -99.8% (price as of 2026-08-19) |
| June 14, 2021 | BCAB | S | 1,807 | $44.47 | $80,357 | 932,042 Indirect | -0.19% | Disposed | -99.9% (price as of 2026-08-19) |
| June 14, 2021 | BCAB | S | 1,100 | $43.50 | $47,850 | 933,849 Indirect | -0.12% | Disposed | -99.9% (price as of 2026-08-19) |
| June 14, 2021 | BCAB | S | 3,070 | $42.24 | $129,677 | 934,949 Indirect | -0.33% | Disposed | -99.8% (price as of 2026-08-19) |
| June 14, 2021 | BCAB | S | 2,654 | $41.66 | $110,566 | 938,019 Indirect | -0.28% | Disposed | -99.8% (price as of 2026-08-19) |
| June 14, 2021 | BCAB | S | 70,066 | $40.22 | $2,818,055 | 940,673 Indirect | -6.93% | Disposed | -99.8% (price as of 2026-08-19) |
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. 10, 2023 | BCAB | Employee Stock Option (right to buy) | Common Stock (850,000) | $3.65 | Feb. 10, 2033 | 850,000 | Acquired |
| Feb. 22, 2022 | BCAB | Employee Stock Option (right to buy) | Common Stock (337,000) | $6.66 | Feb. 22, 2032 | 337,000 | Acquired |
| Aug. 24, 2021 | BCAB | Employee Stock Option (right to buy) [F2] | Common Stock (7,747) | $18.00 | Dec. 15, 2030 | 7,747 | Disposed |
| Dec. 15, 2020 | BCAB | Employee Stock Option (right to buy) | Common Stock (30,988) | $18.00 | Dec. 15, 2030 | 30,988 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.
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 | $734,820 | — | $144,428 | — | — | — | — | $879,248 |
| 2024 | $734,820 | — | $942,420 | — | $275,558 | — | — | $1,952,798 |
| 2023 | $713,420 | — | — | $2,168,435 | $419,491 | — | — | $3,301,346 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.