Skip to content
Insider tapeFilings through Fri, Oct 9
Watchlist
BMRN

BIOMARIN PHARMACEUTICAL (BMRN) stock: insider trades, news & valuation

Heavy selling
Close · Oct 9, 2026 $54.80 -0.2% on the day +1.8% over 12 months 52-week range $49.67 – $70.24

Share price and insider trades

BMRN closeInsider buyInsider sale
4050607080NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $176,682 on 2026-05-07 · Gregory R FribergSold $996,744 on 2026-03-11 · Charles Greg GuyerSold $1,163,678 on 2026-09-02 · George Eric DavisSold $1,981,067 on 2026-02-26 · George Eric Davis, Gregory R Friberg
Bought, 12 months$0
Sold, 12 months$4.3M
Insiders buying0
Insiders selling3

BIOMARIN PHARMACEUTICAL insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 3 sold $4.3M of BMRN stock on the open market.

BMRN insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q1 2026: $3.0M sold (3 trades)Q1 2026Q2 2026: $177K sold (1 trades)Q2 2026Q3 2026: $1.2M sold (1 trades)Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0$1.2M1
Q2 2026—0$177K1
Q1 2026—0$3.0M3

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day1.3×Last 5 sessions
Insiders' paper profit—On all tracked purchases —

Summary

Over the past 12 months, 0 BIOMARIN PHARMACEUTICAL INC insiders reported open-market purchases totaling $0, while 3 insiders reported sales totaling $4.3M. 0 of 5 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Sep 3SEC George Eric DavisGeneral Counsel Sell 17,55761,003 held (−22%) $66.28 $1.2M -17.3% —
May 11SEC Gregory R FribergEvp, Chief R&D Officer Sell 3,28151,818 held (−6%) $53.85 $177K +1.8% —
Mar 12SEC Charles Greg GuyerEvp, Chief Technical Officer Sell 16,48679,953 held (−17%) $60.46 $997K -9.4% —
Feb 26SEC George Eric DavisGeneral Counsel Sell 26,06172,453 held (−26%) $61.36 $1.6M -10.7% —
Feb 26SEC Gregory R FribergEvp, Chief R&D Officer Sell 6,32637,578 held (−14%) $60.38 $382K -9.2% —

Insiders at BIOMARIN PHARMACEUTICAL INC

InsiderBoughtSoldLast filingScore
George Eric DavisGeneral Counsel — $2.8M Sep 3, 2026 —
Charles Greg GuyerEvp, Chief Technical Officer — $997K Mar 12, 2026 —
Gregory R FribergEvp, Chief R&D Officer — $559K May 11, 2026 —

BMRN stock: common questions

Are BIOMARIN PHARMACEUTICAL INC insiders buying BMRN stock?

In the past 12 months, 0 insiders reported open-market purchases of BMRN worth $0.

Are BIOMARIN PHARMACEUTICAL INC insiders selling BMRN stock?

3 insiders reported sales worth $4.3M over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is BMRN's 52-week range?

Over the past year BMRN has traded between $49.67 and $70.24. It last closed at $54.80 on Oct 9, 2026.