BioMarin Pharmaceutical Inc.

BMRNNASDAQHealthcare● Active

$56.77

+$0.30(+0.53%)

Market Cap$11.0B

P/E Ratio—

52W High$66.28

52W Low$49.26

Avg Volume2.0M

Open$56.16

Beta0.24

Overview

BioMarin Pharmaceutical Inc. (BMRN) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · BMRN · as of Jun 8, 2026

Activity summary

Buy transactions

P-Purchase only

Sell transactions

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH

↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

BioMarin Pharmaceutical Inc. insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

BMRN insider buying and selling by quarter

BMRN insider selling · BMRN insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling

523K261K0

2024 Q3

2024 Q4

2025 Q1

2025 Q2

2025 Q3

2025 Q4

2026 Q1

2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

▸ Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · BMRN ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

▸ Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

BMRN executive sell shares · BMRN board member insider trading · BMRN insider trading SEC filing

Showing 77 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Date	Insider	Type	Shares	Price	Value	After trans.	Filing
Jun 2, 2026	Countouriotis Athena Director	Award	7,490	—	—	21,040	Form 4
Jun 2, 2026	Walbert Timothy P Director	Award	7,490	—	—	17,270	Form 4
Jun 2, 2026	Ho Maykin Director	Award	7,490	—	—	35,500	Form 4
Jun 2, 2026	HOMBACH ROBERT J. Director	Award	7,490	—	—	49,360	Form 4
Jun 2, 2026	Enyedy Mark J Director	Award	7,490	—	—	21,040	Form 4
Jun 2, 2026	Dere Willard H Director	Award	7,490	—	—	46,440	Form 4
Jun 2, 2026	CLARK IAN T Director	Award	7,490	—	—	14,490	Form 4
Jun 2, 2026	Bodem Barbara W. Director	Award	7,490	—	—	21,045	Form 4
Jun 2, 2026	ANDERSON ELIZABETH M Director	Award	7,490	—	—	41,940	Form 4
May 20, 2026	Hubbard Cristin EVP, Chief Commercial Officer	Other	2,318	$50.20	$116K	42,472	Form 4
May 7, 2026	Friberg Gregory R EVP, Chief R&D Officer	Sale	3,281	$53.85	$177K	51,818	Form 4
Mar 18, 2026	Davis George Eric EVP, Chief Legal Officer	Other	1,273	$56.05	$71K	78,560	Form 4
Mar 17, 2026	Guyer Charles Greg EVP, Chief Technical Officer	Other	1,693	$56.05	$95K	84,140	Form 4
Mar 17, 2026	Mueller Brian EVP, Chief Financial Officer	Other	2,117	$56.05	$119K	123,314	Form 4
Mar 17, 2026	Hardy Alexander CEO · Director	Other	4,252	$56.05	$238K	214,635	Form 4
Mar 16, 2026	Hubbard Cristin EVP, Chief Commercial Officer	Award	15,410	—	—	46,035	Form 4
Mar 17, 2026	Hubbard Cristin EVP, Chief Commercial Officer	Other	1,245	$56.05	$70K	44,790	Form 4
Mar 16, 2026	Friberg Gregory R EVP, Chief R&D Officer	Award	19,150	—	—	56,728	Form 4
Mar 17, 2026	Friberg Gregory R EVP, Chief R&D Officer	Other	1,629	$56.05	$91K	55,099	Form 4
Mar 16, 2026	Guyer Charles Greg EVP, Chief Technical Officer	Award	14,990	—	—	85,833	Form 4
Mar 13, 2026	Guyer Charles Greg EVP, Chief Technical Officer	Other	9,109	$58.51	$533K	70,843	Form 4
Mar 16, 2026	Davis George Eric EVP, Chief Legal Officer	Award	14,570	—	—	79,833	Form 4
Mar 16, 2026	Davis George Eric EVP, Chief Legal Officer	Other	7,177	$58.51	$420K	65,263	Form 4
Mar 16, 2026	Mueller Brian EVP, Chief Financial Officer	Award	18,740	—	—	125,431	Form 4
Mar 13, 2026	Mueller Brian EVP, Chief Financial Officer	Other	9,945	$58.51	$582K	106,691	Form 4

Countouriotis Athena

Director

Award

Date

Jun 2

7,490

Price

—

Value

—

View Form 4 on SEC.gov

Walbert Timothy P

Director

Award

Date

Jun 2

7,490

Price

—

Value

—

View Form 4 on SEC.gov

Ho Maykin

Director

Award

Date

Jun 2

7,490

Price

—

Value

—

View Form 4 on SEC.gov

HOMBACH ROBERT J.

Director

Award

Date

Jun 2

7,490

Price

—

Value

—

View Form 4 on SEC.gov

Enyedy Mark J

Director

Award

Date

Jun 2

7,490

Price

—

Value

—

View Form 4 on SEC.gov

Dere Willard H

Director

Award

Date

Jun 2

7,490

Price

—

Value

—

View Form 4 on SEC.gov

CLARK IAN T

Director

Award

Date

Jun 2

7,490

Price

—

Value

—

View Form 4 on SEC.gov

Bodem Barbara W.

Director

Award

Date

Jun 2

7,490

Price

—

Value

—

View Form 4 on SEC.gov

ANDERSON ELIZABETH M

Director

Award

Date

Jun 2

7,490

Price

—

Value

—

View Form 4 on SEC.gov

Hubbard Cristin

EVP, Chief Commercial Officer

Other

Date

May 20

2,318

Price

$50.20

Value

$116K

View Form 4 on SEC.gov

Friberg Gregory R

EVP, Chief R&D Officer

Sale

Date

May 7

3,281

Price

$53.85

Value

$177K

View Form 4 on SEC.gov

Davis George Eric

EVP, Chief Legal Officer

Other

Date

Mar 18

1,273

Price

$56.05

Value

$71K

View Form 4 on SEC.gov

Guyer Charles Greg

EVP, Chief Technical Officer

Other

Date

Mar 17

1,693

Price

$56.05

Value

$95K

View Form 4 on SEC.gov

Mueller Brian

EVP, Chief Financial Officer

Other

Date

Mar 17

2,117

Price

$56.05

Value

$119K

View Form 4 on SEC.gov

Hardy Alexander

CEO · Director

Other

Date

Mar 17

4,252

Price

$56.05

Value

$238K

View Form 4 on SEC.gov

Hubbard Cristin

EVP, Chief Commercial Officer

Award

Date

Mar 16

15,410

Price

—

Value

—

View Form 4 on SEC.gov

Hubbard Cristin

EVP, Chief Commercial Officer

Other

Date

Mar 17

1,245

Price

$56.05

Value

$70K

View Form 4 on SEC.gov

Friberg Gregory R

EVP, Chief R&D Officer

Award

Date

Mar 16

19,150

Price

—

Value

—

View Form 4 on SEC.gov

Friberg Gregory R

EVP, Chief R&D Officer

Other

Date

Mar 17

1,629

Price

$56.05

Value

$91K

View Form 4 on SEC.gov

Guyer Charles Greg

EVP, Chief Technical Officer

Award

Date

Mar 16

14,990

Price

—

Value

—

View Form 4 on SEC.gov

Guyer Charles Greg

EVP, Chief Technical Officer

Other

Date

Mar 13

9,109

Price

$58.51

Value

$533K

View Form 4 on SEC.gov

Davis George Eric

EVP, Chief Legal Officer

Award

Date

Mar 16

14,570

Price

—

Value

—

View Form 4 on SEC.gov

Davis George Eric

EVP, Chief Legal Officer

Other

Date

Mar 16

7,177

Price

$58.51

Value

$420K

View Form 4 on SEC.gov

Mueller Brian

EVP, Chief Financial Officer

Award

Date

Mar 16

18,740

Price

—

Value

—

View Form 4 on SEC.gov

Mueller Brian

EVP, Chief Financial Officer

Other

Date

Mar 13

9,945

Price

$58.51

Value

$582K

View Form 4 on SEC.gov

⚡ = value ≥ $1M · Award/Option price shows — · formType=4 · securityName=Common Stock · url → sec.gov/Archives/edgar

1 / 4

▸ Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About BMRN insider trading

BMRN insider trades

BioMarin Pharmaceutical Inc. (BMRN) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Davis George Eric (EVP, Chief Legal Officer), Guyer Charles Greg (EVP, Chief Technical Officer), Mueller Brian (EVP, Chief Financial Officer). Over the past 12 months, 5 insiders have filed transactions with the SEC. BMRN insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For BioMarin Pharmaceutical Inc.'s institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic

acquisitionOrDisposition field:

A = Acquisition (buy) · D = Disposition (sell)

RSU vesting (M-Exempt) excluded from sentiment

Form 4SEC filing required within 2 business days of any insider transaction

10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot

Open MktDirect purchase or sale on the open market (excludes awards, options)

Ownership SEC filings Financial statements Price history Forecast & ratings Earnings

Frequently asked questions

BMRN insider trading · 5 questions

The insiders of BioMarin Pharmaceutical Inc. (BMRN) include executives and directors such as Davis George Eric (EVP, Chief Legal Officer), Guyer Charles Greg (EVP, Chief Technical Officer), Mueller Brian (EVP, Chief Financial Officer), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

BMRN board member insider tradingwho are BMRN insidersBMRN insider rosterBioMarin Pharmaceutical Inc. executives insider activity

▸ Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026