SEC Form 4 · Updated Daily
BCRX
— BIOCRYST PHARMACEUTICALS, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| BAKER FELIX | 10%+ Owner · Director | 10,059,679 | 2016-08-12 | S |
| BAKER JULIAN | 10%+ Owner · Director | 10,059,679 | 2016-08-12 | S |
| BAKER BROS. ADVISORS LP | 10%+ Owner · Director | 10,059,679 | 2016-08-12 | S |
| Baker Bros. Advisors (GP) LLC | 10%+ Owner · Director | 10,059,679 | 2016-08-12 | S |
| 667, L.P. | 10%+ Owner · Director | 4,832,285 | 2013-08-01 | P |
| Baker Brothers Life Sciences LP | 10%+ Owner · Director | 4,832,285 | 2013-08-01 | P |
| 14159, L.P. | 10%+ Owner · Director | 4,832,285 | 2013-08-01 | P |
| Baker Bros. Investments II, L.P. | 10%+ Owner | 4,832,285 | 2013-08-01 | P |
| Baker Bros. Investments, L.P. | 10%+ Owner | 4,832,285 | 2013-08-01 | P |
| Baker/Tisch Investments, LP | 10%+ Owner | 4,832,285 | 2013-08-01 | P |
| Baker Brothers Life Sciences Capital (GP), LLC | 10%+ Owner · Director | 3,841,124 | 2011-06-30 | J |
| Baker Biotech Capital (GP), LLC | 10%+ Owner · Director | 1,719,783 | 2009-05-28 | S |
| Stonehouse Jon P | Director | 1,340,419 | 2026-08-31 | A |
| Gayer Charles K | Officer | 952,583 | 2025-12-22 | M |
| Barnes Alane P | Officer | 463,203 | 2026-05-13 | M |
| Doyle Anthony | Officer | 380,328 | 2024-12-19 | A |
| Thackray Helen M. | Officer | 377,318 | 2025-03-31 | F |
| Babu Yarlagadda S | Officer | 330,056 | 2022-11-14 | M |
| Ghias Babar | Officer | 268,700 | 2025-12-17 | A |
| Dullinger Ronald | Officer | 258,372 | 2026-01-01 | — |
| FEATHERINGILL WILLIAM W | 10%+ Owner · Director | 231,538 | 2009-12-01 | S |
| Menon Sandeep | Officer | 205,150 | 2026-04-06 | A |
| Sheridan William P | Officer | 199,093 | 2022-03-10 | M |
| SPENCER WILLIAM M III | Director | 186,761 | 2006-12-27 | J |
| Cohen Fred E | Director | 173,660 | 2017-09-18 | M |
| STAAB THOMAS R II | Officer | 134,926 | 2019-05-16 | M |
| 14159 capital (GP), LLC | 10%+ Owner · Director | 134,091 | 2009-05-28 | S |
| BUGG CHARLES E | Director | 112,439 | 2006-03-03 | M |
| MILANO VINCENT | Director | 109,642 | 2026-08-31 | A |
| INGRAM ROBERT ALEXANDER | Director | 100,198 | 2023-02-28 | A |
| Hutson Nancy J | Director | 99,138 | 2025-06-12 | A |
| BENNETT J CLAUDE | Director · Officer | 85,730 | 2007-09-04 | M |
| HEGGIE THERESA | Director | 80,646 | 2026-06-11 | A |
| LEVIN ALAN G | Director | 79,565 | 2026-06-11 | A |
| ASELAGE STEVE | Officer | 70,159 | 2024-06-12 | A |
| LEE KENNETH B JR | Director | 68,863 | 2023-06-13 | A |
| Grant Stuart | Officer | 63,102 | 2011-03-16 | M |
| Baker Bros. Capital (GP), LLC | 10%+ Owner | 62,407 | 2011-06-30 | J |
| Jensen Peder | Director | 60,000 | 2012-12-14 | P |
| Erck Stanley C | Director · Officer | 48,333 | 2018-11-28 | M |
| McKee Amy E | Director | 47,821 | 2026-08-31 | A |
| SANDERS MACHELLE | Director | 45,936 | 2026-06-11 | A |
| Sniecinski Megan | Officer | 45,000 | 2019-11-18 | P |
| Frank Steven | Director | 36,747 | 2026-08-31 | A |
| ABERCROMBIE GEORGE B | Director | 36,431 | 2024-06-12 | A |
| Milne Jill C. | Director | 33,226 | 2026-08-31 | A |
| McCullough David | Officer | 29,431 | 2012-03-15 | A |
| Galson Steven K | Director | 27,794 | 2026-06-11 | A |
| Baker / Tisch Capital (GP), LLC | 10%+ Owner · Director | 25,675 | 2009-05-28 | S |
| Jones Michael L | Officer | 16,653 | 2022-12-19 | A |
| HOROVITZ ZOLA P | Director | 13,000 | 2010-03-15 | M |
| SANDERS CHARLES A | Director | 12,971 | 2016-02-29 | A |
| LOWREY ROBERT S | Officer | 12,452 | 2012-03-15 | A |
| Powell Lynne | Officer | 6,000 | 2019-01-25 | M |
| ALEXANDER W JAMES | Officer | 3,659 | 2007-07-31 | P |
| DARWIN MICHAEL A | Officer | 3,048 | 2008-07-31 | P |
| SEIDENBERG BETH C | Director | 3,000 | 2006-05-03 | P |
| RIGGS RANDALL B | Officer | 1,928 | 2007-01-31 | P |
| Mills Mike | Officer | 1,500 | 2010-03-12 | M |
| Nugent Jonathan M | Officer | 508 | 2007-07-31 | P |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2026-08-31 | Frank Steven | Grant / award | 1,288 | $9.70 | 36,747 |
| 2026-08-31 | McKee Amy E | Grant / award | 644 | $9.70 | 47,821 |
| 2026-08-31 | MILANO VINCENT | Grant / award | 1,159 | $9.70 | 109,642 |
| 2026-08-31 | Milne Jill C. | Grant / award | 1,288 | $9.70 | 33,226 |
| 2026-08-31 | Stonehouse Jon P | Grant / award | 644 | $9.70 | 1,340,419 |
| 2026-06-11 | HEGGIE THERESA | Grant / award (derivative) | 33,540 | $0.00 | 33,540 |
| 2026-06-11 | HEGGIE THERESA | Grant / award | 15,294 | $0.00 | 80,646 |
| 2026-06-11 | McKee Amy E | Grant / award (derivative) | 33,540 | $0.00 | 33,540 |
| 2026-06-11 | McKee Amy E | Grant / award | 15,294 | $0.00 | 47,177 |
| 2026-06-11 | Stonehouse Jon P | Grant / award (derivative) | 33,540 | $0.00 | 33,540 |
| 2026-06-11 | Stonehouse Jon P | Grant / award | 15,294 | $0.00 | 1,339,775 |
| 2026-06-11 | MILANO VINCENT | Grant / award (derivative) | 33,540 | $0.00 | 33,540 |
| 2026-06-11 | MILANO VINCENT | Grant / award | 15,294 | $0.00 | 108,483 |
| 2026-06-11 | SANDERS MACHELLE | Grant / award (derivative) | 33,540 | $0.00 | 33,540 |
| 2026-06-11 | SANDERS MACHELLE | Grant / award | 15,294 | $0.00 | 45,936 |
| 2026-06-11 | Frank Steven | Grant / award (derivative) | 33,540 | $0.00 | 33,540 |
| 2026-06-11 | Frank Steven | Grant / award | 15,294 | $0.00 | 35,459 |
| 2026-06-11 | LEVIN ALAN G | Grant / award (derivative) | 33,540 | $0.00 | 33,540 |
| 2026-06-11 | LEVIN ALAN G | Grant / award | 15,294 | $0.00 | 79,565 |
| 2026-06-11 | Galson Steven K | Grant / award (derivative) | 33,540 | $0.00 | 33,540 |
| 2026-06-11 | Galson Steven K | Grant / award | 15,294 | $0.00 | 27,794 |
| 2026-06-11 | Milne Jill C. | Grant / award (derivative) | 33,540 | $0.00 | 33,540 |
| 2026-06-11 | Milne Jill C. | Grant / award | 15,294 | $0.00 | 31,938 |
| 2026-05-29 | Frank Steven | Grant / award | 1,262 | $8.91 | 20,165 |
| 2026-05-29 | MILANO VINCENT | Grant / award | 1,122 | $8.91 | 93,189 |
| 2026-05-29 | McKee Amy E | Grant / award | 631 | $8.91 | 31,883 |
| 2026-05-29 | Stonehouse Jon P | Grant / award | 631 | $8.91 | 1,324,481 |
| 2026-05-29 | Milne Jill C. | Grant / award | 1,262 | $8.91 | 16,644 |
| 2026-05-18 | McKee Amy E | Open-market sale | 11,180 | $8.97 | 31,252 |
| 2026-05-13 | Barnes Alane P | Option exercise (derivative) | 62,500 | $0.00 | 0 |
| 2026-05-13 | Barnes Alane P | Open-market sale | 62,500 | $9.54 | 400,703 |
| 2026-05-13 | Barnes Alane P | Option exercise | 62,500 | $5.04 | 463,203 |
| 2026-04-06 | Menon Sandeep | Grant / award (derivative) | 441,350 | $0.00 | 441,350 |
| 2026-04-06 | Menon Sandeep | Grant / award | 205,150 | $0.00 | 205,150 |
| 2026-03-20 | HEGGIE THERESA | Option exercise (derivative) | 49,933 | $0.00 | 0 |
| 2026-03-20 | HEGGIE THERESA | Open-market sale | 49,933 | $10.11 | 65,352 |
| 2026-03-20 | HEGGIE THERESA | Option exercise | 49,933 | $6.30 | 115,285 |
| 2026-03-16 | Barnes Alane P | Option exercise (derivative) | 150,000 | $0.00 | 0 |
| 2026-03-16 | Barnes Alane P | Open-market sale | 150,000 | $9.15 | 400,703 |
| 2026-03-16 | Barnes Alane P | Option exercise | 150,000 | $5.51 | 550,703 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.