Biomarin Pharmaceutical Inc
NASDAQ: BMRN · HEALTHCARE · BIOTECHNOLOGY
Updated 2026-06-05
Biomarin Pharmaceutical Inc (BMRN) Insider transactions
All transactions
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-06-02 | WALBERT, TIMOTHY P | Director | Buy | 7,490 | — | — |
| 2026-06-02 | HOMBACH, ROBERT J. | Director | Buy | 7,490 | — | — |
| 2026-06-02 | HO, MAYKIN | Director | Buy | 7,490 | — | — |
| 2026-06-02 | ENYEDY, MARK J | Director | Buy | 7,490 | — | — |
| 2026-06-02 | DERE, WILLARD H | Director | Buy | 7,490 | — | — |
| 2026-06-02 | COUNTOURIOTIS, ATHENA | Director | Buy | 7,490 | — | — |
| 2026-06-02 | CLARK, IAN T | Director | Buy | 7,490 | — | — |
| 2026-06-02 | BODEM, BARBARA W. | Director | Buy | 7,490 | — | — |
| 2026-06-02 | ANDERSON, ELIZABETH M | Director | Buy | 7,490 | — | — |
| 2026-05-20 | HUBBARD, CRISTIN | EVP, Chief Commercial Officer | Sale | 2,318 | $50.20 | $116363.60 |
| 2026-05-07 | FRIBERG, GREGORY R | EVP, Chief R&D Officer | Sale | 3,281 | $53.85 | $176681.85 |
| 2026-03-18 | DAVIS, GEORGE ERIC | EVP, Chief Legal Officer | Sale | 1,273 | $56.05 | $71351.65 |
| 2026-03-17 | MUELLER, BRIAN | EVP, Chief Financial Officer | Sale | 2,117 | $56.05 | $118657.85 |
| 2026-03-17 | HUBBARD, CRISTIN | EVP, Chief Commercial Officer | Sale | 1,245 | $56.05 | $69782.25 |
| 2026-03-17 | HARDY, ALEXANDER | Director, Chief Executive Officer | Sale | 4,252 | $56.05 | $238324.60 |
| 2026-03-17 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Sale | 1,693 | $56.05 | $94892.65 |
| 2026-03-17 | FRIBERG, GREGORY R | EVP, Chief R&D Officer | Sale | 1,629 | $56.05 | $91305.45 |
| 2026-03-16 | MUELLER, BRIAN | EVP, Chief Financial Officer | Buy | 44,600 | — | — |
| 2026-03-16 | MUELLER, BRIAN | EVP, Chief Financial Officer | Buy | 18,740 | — | — |
| 2026-03-16 | HUBBARD, CRISTIN | EVP, Chief Commercial Officer | Buy | 36,680 | — | — |
| 2026-03-16 | HUBBARD, CRISTIN | EVP, Chief Commercial Officer | Buy | 15,410 | — | — |
| 2026-03-16 | HARDY, ALEXANDER | Director, Chief Executive Officer | Buy | 89,200 | — | — |
| 2026-03-16 | HARDY, ALEXANDER | Director, Chief Executive Officer | Buy | 62,440 | — | — |
| 2026-03-16 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Buy | 35,680 | — | — |
| 2026-03-16 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Buy | 14,990 | — | — |
| 2026-03-16 | FRIBERG, GREGORY R | EVP, Chief R&D Officer | Buy | 45,600 | — | — |
| 2026-03-16 | FRIBERG, GREGORY R | EVP, Chief R&D Officer | Buy | 19,150 | — | — |
| 2026-03-16 | DAVIS, GEORGE ERIC | EVP, Chief Legal Officer | Buy | 34,690 | — | — |
| 2026-03-16 | DAVIS, GEORGE ERIC | EVP, Chief Legal Officer | Buy | 14,570 | — | — |
| 2026-03-16 | DAVIS, GEORGE ERIC | EVP, Chief Legal Officer | Sale | 7,177 | $58.51 | $419926.27 |
| 2026-03-13 | MUELLER, BRIAN | EVP, Chief Financial Officer | Sale | 9,945 | $58.51 | $581881.95 |
| 2026-03-13 | HARDY, ALEXANDER | Director, Chief Executive Officer | Sale | 2,941 | $58.51 | $172077.91 |
| 2026-03-13 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Sale | 9,109 | $58.51 | $532967.59 |
| 2026-03-11 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Sale | 16,486 | $60.46 | $996743.56 |
| 2026-02-26 | FRIBERG, GREGORY R | EVP, Chief R&D Officer | Sale | 6,326 | $60.38 | $381937.31 |
| 2026-02-26 | DAVIS, GEORGE ERIC | EVP, Chief Legal Officer | Sale | 26,061 | $61.36 | $1.60M |
| 2026-02-25 | MUELLER, BRIAN | EVP, Chief Financial Officer | Buy | 7,230 | — | — |
| 2026-02-25 | MUELLER, BRIAN | EVP, Chief Financial Officer | Buy | 6,683 | — | — |
| 2026-02-25 | MUELLER, BRIAN | EVP, Chief Financial Officer | Buy | 2,569 | — | — |
| 2026-02-25 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Buy | 6,675 | — | — |
| 2026-02-25 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Buy | 6,176 | — | — |
| 2026-02-25 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Buy | 2,371 | — | — |
| 2026-02-25 | DAVIS, GEORGE ERIC | EVP, Chief Legal Officer | Buy | 6,675 | — | — |
| 2026-02-25 | DAVIS, GEORGE ERIC | EVP, Chief Legal Officer | Buy | 6,177 | — | — |
| 2026-02-25 | DAVIS, GEORGE ERIC | EVP, Chief Legal Officer | Buy | 2,372 | — | — |
| 2026-01-20 | RAMCHANDANI, RASHMI VIRENDRA | VP, Chief Accounting Officer | Buy | 18,220 | — | — |
| 2026-01-20 | RAMCHANDANI, RASHMI VIRENDRA | VP, Chief Accounting Officer | Buy | 18,540 | — | — |
| 2026-01-20 | RAMCHANDANI, RASHMI VIRENDRA | VP, Chief Accounting Officer | Buy | 7,070 | — | — |
| 2025-12-01 | HARDY, ALEXANDER | Director, Chief Executive Officer | Sale | 16,570 | $55.03 | $911847.10 |
| 2025-09-30 | FRIBERG, GREGORY R | EVP, Chief R&D Officer | Sale | 3,304 | $54.16 | $178944.64 |
| 2025-08-01 | CLARK, IAN T | Director | Buy | 7,000 | — | — |
| 2025-05-20 | WALBERT, TIMOTHY P | Director | Buy | 6,650 | — | — |
| 2025-05-20 | MEIER, RICHARD A | Director | Buy | 6,650 | — | — |
| 2025-05-20 | HUBBARD, CRISTIN | EVP, Chief Commercial Officer | Sale | 2,155 | $59.93 | $129149.15 |
| 2025-05-20 | HOMBACH, ROBERT J. | Director | Buy | 6,650 | — | — |
| 2025-05-20 | HO, MAYKIN | Director | Buy | 6,650 | — | — |
| 2025-05-20 | ENYEDY, MARK J | Director | Buy | 6,650 | — | — |
| 2025-05-20 | DERE, WILLARD H | Director | Buy | 6,650 | — | — |
| 2025-05-20 | COUNTOURIOTIS, ATHENA | Director | Buy | 6,650 | — | — |
| 2025-05-20 | BURKHART, ERIN | GVP, Chief Accounting Officer | Sale | 1,786 | $59.31 | $105927.66 |
| 2025-05-20 | BODEM, BARBARA W. | Director | Buy | 6,650 | — | — |
| 2025-05-20 | ANDERSON, ELIZABETH M | Director | Buy | 6,650 | — | — |
| 2025-05-19 | BURKHART, ERIN | GVP, Chief Accounting Officer | Sale | 996 | $59.27 | $59032.92 |
| 2025-05-02 | HUBBARD, CRISTIN | EVP, Chief Commercial Officer | Sale | 273 | $64.92 | $17723.16 |
| 2025-04-30 | HUBBARD, CRISTIN | EVP, Chief Commercial Officer | Buy | 273 | $54.14 | $14779.40 |
| 2025-04-30 | HARDY, ALEXANDER | Director, Chief Executive Officer | Buy | 375 | $54.14 | $20301.38 |
| 2025-03-19 | BURKHART, ERIN | GVP, Chief Accounting Officer | Sale | 1,295 | $71.52 | $92618.40 |
| 2025-03-17 | MUELLER, BRIAN | EVP, Chief Financial Officer | Buy | 38,590 | — | — |
| 2025-03-17 | MUELLER, BRIAN | EVP, Chief Financial Officer | Buy | 16,640 | — | — |
| 2025-03-17 | HUBBARD, CRISTIN | EVP, Chief Commercial Officer | Buy | 30,880 | — | — |
| 2025-03-17 | HUBBARD, CRISTIN | EVP, Chief Commercial Officer | Buy | 13,310 | — | — |
| 2025-03-17 | HARDY, ALEXANDER | Director, Chief Executive Officer | Buy | 61,750 | — | — |
| 2025-03-17 | HARDY, ALEXANDER | Director, Chief Executive Officer | Buy | 44,360 | — | — |
| 2025-03-17 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Buy | 30,880 | — | — |
| 2025-03-17 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Buy | 13,310 | — | — |
| 2025-03-17 | FRIBERG, GREGORY R | EVP, Chief R&D Officer | Buy | 41,170 | — | — |
| 2025-03-17 | FRIBERG, GREGORY R | EVP, Chief R&D Officer | Buy | 17,750 | — | — |
| 2025-03-17 | DAVIS, GEORGE ERIC | EVP, Chief Legal Officer | Buy | 30,020 | — | — |
| 2025-03-17 | DAVIS, GEORGE ERIC | EVP, Chief Legal Officer | Buy | 12,940 | — | — |
| 2025-03-17 | BURKHART, ERIN | GVP, Chief Accounting Officer | Buy | 9,230 | — | — |
| 2025-03-17 | BURKHART, ERIN | GVP, Chief Accounting Officer | Buy | 5,970 | — | — |
| 2025-03-14 | MUELLER, BRIAN | EVP, Chief Financial Officer | Sale | 18,497 | $69.44 | $1.28M |
| 2025-03-14 | HARDY, ALEXANDER | Director, Chief Executive Officer | Sale | 2,933 | $69.44 | $203667.52 |
| 2025-03-14 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Sale | 20,127 | $69.44 | $1.40M |
| 2025-03-14 | DAVIS, GEORGE ERIC | EVP, Chief Legal Officer | Sale | 16,249 | $69.44 | $1.13M |
| 2025-03-14 | BURKHART, ERIN | GVP, Chief Accounting Officer | Sale | 823 | $69.44 | $57149.12 |
| 2025-03-06 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Sale | 7,034 | $71.28 | $501355.38 |
| 2025-02-28 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Sale | 4,287 | $71.16 | $305062.92 |
| 2025-02-25 | MUELLER, BRIAN | EVP, Chief Financial Officer | Buy | 11,040 | — | — |
| 2025-02-25 | MUELLER, BRIAN | EVP, Chief Financial Officer | Buy | 9,660 | — | — |
| 2025-02-25 | MUELLER, BRIAN | EVP, Chief Financial Officer | Buy | 9,367 | — | — |
| 2025-02-25 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Buy | 11,040 | — | — |
| 2025-02-25 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Buy | 9,660 | — | — |
| 2025-02-25 | GUYER, CHARLES GREG | EVP, Chief Technical Officer | Buy | 9,367 | — | — |
| 2025-02-25 | DAVIS, GEORGE ERIC | EVP, Chief Legal Officer | Buy | 11,040 | — | — |
| 2025-02-25 | DAVIS, GEORGE ERIC | EVP, Chief Legal Officer | Buy | 9,660 | — | — |
| 2025-02-25 | DAVIS, GEORGE ERIC | EVP, Chief Legal Officer | Buy | 9,367 | — | — |
| 2025-02-24 | WALBERT, TIMOTHY P | Director | Buy | 3,130 | — | — |
| 2025-02-24 | BURKHART, ERIN | GVP, Chief Accounting Officer | Sale | 1,344 | $68.38 | $91902.72 |
| 2024-11-29 | HARDY, ALEXANDER | Director, Chief Executive Officer | Sale | 14,295 | $66.03 | $943898.85 |
Frequently asked questions
Are BMRN insiders buying or selling?
Over the transactions on record, BMRN insiders have been net buyers, with about $13.07M in stock sold across 31 sales, against 2 open-market purchases.
Does insider selling at BMRN mean the stock will fall?
Not by itself. Most executive selling is pre-scheduled through 10b5-1 plans filed months in advance, and insiders sell for diversification, taxes, and liquidity far more often than out of any view on the price. Insider buying is the stronger signal, especially when several insiders buy around the same time, because there is usually only one reason to put personal cash into the stock.
Which BMRN insiders are selling the most?
Recent selling is concentrated in a few names. GUYER, CHARLES GREG accounts for the largest share on record, with about $3.83M sold. Selling by one or two individuals matters less than broad selling across the whole leadership team, which is the pattern worth watching.