Jennifer E. Cook
CIK 1754371 · View on SEC EDGAR ↗
Insider
First SEC filing: Dec. 16, 2019 · Latest: June 17, 2026
On this page
Insider at
Insider transactions
0 buys (P)
6 sells (S)
Net:
$-21,920,848
+ 38 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
38 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 9, 2026 | BBIO | S 10b5-1 | 112,422 | $90.00 | $10,117,980 | 8,383 Direct | -93.06% | Disposed | -5.9% (price as of 2026-08-19) |
| July 9, 2026 | BBIO | S 10b5-1 | 36,167 | $84.00 | $3,038,028 | 120,805 Direct | -23.04% | Disposed | 0.8% (price as of 2026-08-19) |
| June 24, 2026 | BBIO | S 10b5-1 | 37,167 | $70.00 | $2,601,690 | 8,383 Direct | -81.60% | Disposed | 21.0% (price as of 2026-08-19) |
| June 23, 2026 | BBIO | S 10b5-1 | 2,196 | $68.57 | $150,580 | 8,383 Direct | -20.76% | Disposed | 23.5% (price as of 2026-08-19) |
| June 15, 2026 | BBIO | S 10b5-1 | 1,503 | $67.14 | $100,911 | 6,589 Direct | -18.57% | Disposed | 26.2% (price as of 2026-08-19) |
| June 15, 2026 | BBIO | S 10b5-1 | 88,737 | $66.62 | $5,911,659 | 8,092 Direct | -91.64% | Disposed | 27.1% (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 |
|---|---|---|---|---|---|---|---|
| July 9, 2026 | BBIO | Stock Option (Right to Buy) | Common Stock (17,167) | $16.75 | June 21, 2033 | 17,167 | Disposed |
| July 9, 2026 | BBIO | Stock Option (Right to Buy) | Common Stock (112,422) | $29.00 | June 1, 2030 | 112,422 | Disposed |
| July 9, 2026 | BBIO | Stock Option (Right to Buy) | Common Stock (19,000) | $8.45 | June 22, 2032 | 19,000 | Disposed |
| June 24, 2026 | BBIO | Stock Option (Right to Buy) | Common Stock (17,167) | $16.75 | June 21, 2033 | 17,167 | Disposed |
| June 24, 2026 | BBIO | Stock Option (Right to Buy) | Common Stock (20,000) | $8.45 | June 22, 2032 | 20,000 | Disposed |
| June 22, 2026 | BBIO | Stock Option (Right to Buy) | Common Stock (5,277) | $68.92 | June 21, 2036 | 5,277 | Acquired |
| June 15, 2026 | BBIO | Stock Option (Right to Buy) | Common Stock (17,167) | $16.75 | June 21, 2033 | 17,167 | Disposed |
| June 15, 2026 | BBIO | Stock Option (Right to Buy) | Common Stock (65,921) | $8.45 | June 22, 2032 | 65,921 | Disposed |
| June 20, 2025 | BBIO | Stock Option (Right to Buy) | Common Stock (8,425) | $41.73 | June 19, 2035 | 8,425 | Acquired |
| June 21, 2024 | BBIO | Stock Option (Right to Buy) | Common Stock (26,014) | $27.36 | June 20, 2034 | 26,014 | Acquired |
| June 21, 2023 | BBIO | Stock Option (right to buy) | Common Stock (51,501) | $16.75 | June 21, 2033 | 51,501 | Acquired |
| June 22, 2022 | BBIO | Stock Option (right to buy) | Common Stock (104,921) | $8.45 | June 22, 2032 | 104,921 | Acquired |
| Nov. 16, 2021 | BBIO | Restricted Stock Units | Common Stock (3,576) | — | — | 3,576 | Disposed |
| June 17, 2021 | BBIO | Stock Option (right to buy) | Common Stock (38,895) | $62.63 | June 16, 2031 | 38,895 | Acquired |
| June 2, 2021 | DNLI | Stock Option (right to buy) | Common Stock (6,222) | $63.76 | June 2, 2031 | 6,222 | Acquired |
| June 1, 2021 | DNLI | Restricted Stock Units | Common Stock (3,253) | — | — | 3,253 | Disposed |
| Nov. 16, 2020 | BBIO | Restricted Stock Units | Common Stock (3,576) | — | — | 3,576 | Disposed |
| June 3, 2020 | DNLI | Restricted Stock Units | Common Stock (3,253) | — | — | 3,253 | Acquired |
| June 3, 2020 | DNLI | Stock Option (right to buy) | Common Stock (15,183) | $28.82 | June 2, 2030 | 15,183 | Acquired |
| June 2, 2020 | BBIO | Stock Option (right to buy) | Common Stock (112,422) | $29.00 | June 1, 2030 | 112,422 | Acquired |
| Dec. 12, 2019 | BBIO | Stock Option (right to buy) | Common Stock (82,878) | $37.45 | Dec. 11, 2029 | 82,878 | Acquired |
| May 30, 2019 | DNLI | Stock Option (right to buy) | Common Stock (27,245) | $19.50 | May 29, 2029 | 27,245 | Acquired |
| Nov. 6, 2018 | DNLI | Stock Option (right to buy) | Common Stock (50,044) | $17.08 | Nov. 5, 2028 | 50,044 | 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.