Charles Greg Guyer

BMRN

Charles Greg Guyer serves as officer: EVP, Chief Technical Officer at BioMarin Pharmaceutical Inc. (BMRN). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

14 trades

$8.02M

Net Position

Net Seller

$8.02M

Companies Traded

BMRN

Active Period

Apr 2021 – Mar 2026

14 total trades

Most Recent

Sell BMRN

Mar 12, 2026 · $996.7K

Charles Greg Guyer's Insider Trading at BioMarin Pharmaceutical Inc. (BMRN)

Buys

0 · $0.00

Sells

14 · $8.02M

Total Shares Bought

Total Shares Sold

104,631

BMRN Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 12, 2026	Sell	16,486	$60.46	$996.7K	79,953
Mar 14, 2025	Sell	20,127	$69.44	$1.40M	0
Mar 6, 2025	Sell	7,034	$71.28	$501.4K	0
Feb 28, 2025	Sell	4,287	$71.16	$305.1K	0
Nov 12, 2024	Sell	5,278	$66.37	$350.3K	0
May 3, 2024	Sell	4,440	$82.44	$366.0K	0
Mar 15, 2024	Sell	20,424	$83.87	$1.71M	0
Aug 9, 2023	Sell	5,360	$93.30	$500.1K	0
Apr 28, 2023	Sell	4,302	$95.45	$410.6K	0
Mar 15, 2023	Sell	1,856	$87.74	$162.8K	0
Aug 8, 2022	Sell	6,205	$96.56	$599.2K	0
Apr 29, 2022	Sell	3,926	$84.65	$332.3K	0
Mar 15, 2022	Sell	920	$78.27	$72.0K	0
Apr 30, 2021	Sell	3,986	$78.35	$312.3K	0

Related Insiders

Gregory R Friberg

officer: EVP, Chief R&D Officer

BMRNSell · May 11, 2026

George Eric Davis

officer: EVP, Chief Legal Officer

BMRNSell · Feb 26, 2026

Alexander Hardy

Chief Executive Officer

BMRNSell · Dec 1, 2025

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