Insider · CIK 0001811096
Charles Greg Guyer
Files at BMRN (BIOMARIN PHARMACEUTICAL INC). First filing Nov 14, 2024, latest Mar 12, 2026.
In brief
Charles Greg Guyer files SEC Form 4 as officer at BMRN (BIOMARIN PHARMACEUTICAL INC). Since Nov 14, 2024, Charles Greg Guyer has reported 0 open-market buys worth $0 and 3 open-market sells worth $1.8M, the latest filed on Mar 12, 2026.
A track record needs three past buys with six months of prices behind them; Charles Greg Guyer has 0, so none is measured yet.
The newest scored trade: sold $997k of BMRN on Mar 11, 2026, filed Mar 12, 2026, scored 60 (notable). In the last 12 months: 0 buys worth $0 and 1 sell worth $997k.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
BMRN: BIOMARIN PHARMACEUTICAL INC
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 60Notable | BIOMARIN PHARMACEUTICAL INC | $997k 16,486 shares | -17% | +17% from low-17% from high | |
| 41Moderate | BIOMARIN PHARMACEUTICAL INC | $501k 7,034 shares | -7% | - | |
| 30Weak | BMRNsell BIOMARIN PHARMACEUTICAL INC | $350k 5,278 shares | -7% | - |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Mar 11, 2026 | BMRN BIOMARIN PHARMACEUTICAL INC | 16,486 0.01% of outstanding | $997k | Mar 11, 2026 | none |
| Mar 6, 2025 | BMRN BIOMARIN PHARMACEUTICAL INC | 7,034 0.00% of outstanding | $501k | Mar 6, 2025 | none |
| Nov 12, 2024 | BMRN BIOMARIN PHARMACEUTICAL INC | 5,278 0.00% of outstanding | $350k | Nov 12, 2024 | none |
Transactions
Every row this insider has filed, 20 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 17, 2026 | BMRN BIOMARIN PHARMACEUTICAL INC | FTax withholding Common Stock | -1,693 | $56.05 | $95k | 84,140 | Mar 19, 2026 |
| Mar 13, 2026 | BMRN BIOMARIN PHARMACEUTICAL INC | FTax withholding Common Stock | -9,109 | $58.51 | $533k | 70,843 | Mar 17, 2026 |
| Mar 16, 2026 | BMRN BIOMARIN PHARMACEUTICAL INC | AGrant or award Common Stock | +14,990 | $0.00 | $0 | 85,833 | Mar 17, 2026 |
| Mar 16, 2026 | BMRN BIOMARIN PHARMACEUTICAL INC | AGrant or award Stock Option (Right to Buy Common Stock)derivative | +35,680 | $0.00 | $0 | 35,680 | Mar 17, 2026 |
| Mar 11, 2026 | BMRN BIOMARIN PHARMACEUTICAL INC | SOpen-market sale Common Stock | -16,486 | $60.46 | $997k | 79,953 | Mar 12, 2026 |
| Feb 25, 2026 | BMRN BIOMARIN PHARMACEUTICAL INC | AGrant or award Common Stock | +6,176 | $0.00 | $0 | 87,393 | Feb 26, 2026 |
| Feb 25, 2026 | BMRN BIOMARIN PHARMACEUTICAL INC | AGrant or award Common Stock | +6,675 | $0.00 | $0 | 94,068 | Feb 26, 2026 |
| Feb 25, 2026 | BMRN BIOMARIN PHARMACEUTICAL INC | AGrant or award Common Stock | +2,371 | $0.00 | $0 | 96,439 | Feb 26, 2026 |
| Mar 14, 2025 | BMRN BIOMARIN PHARMACEUTICAL INC | FTax withholding Common Stock | -20,127 | $69.44 | $1.4M | 67,528 | Mar 18, 2025 |
| Mar 17, 2025 | BMRN BIOMARIN PHARMACEUTICAL INC | AGrant or award Common Stock | +13,310 | $0.00 | $0 | 80,838 | Mar 18, 2025 |
| Mar 17, 2025 | BMRN BIOMARIN PHARMACEUTICAL INC | AGrant or award Stock Option (Right to Buy Common Stock)derivative | +30,880 | $0.00 | $0 | 30,880 | Mar 18, 2025 |
| Mar 6, 2025 | BMRN BIOMARIN PHARMACEUTICAL INC | SOpen-market sale Common Stock | -7,034 | $71.28 | $501k | 87,655 | Mar 7, 2025 |
| Feb 28, 2025 | BMRN BIOMARIN PHARMACEUTICAL INC | FTax withholding Common Stock | -4,287 | $71.16 | $305k | 94,689 | Mar 4, 2025 |
| Feb 25, 2025 | BMRN BIOMARIN PHARMACEUTICAL INC | AGrant or award Common Stock | +11,040 | $0.00 | $0 | 79,949 | Feb 27, 2025 |
| Feb 25, 2025 | BMRN BIOMARIN PHARMACEUTICAL INC | AGrant or award Common Stock | +9,660 | $0.00 | $0 | 89,609 | Feb 27, 2025 |
| Feb 25, 2025 | BMRN BIOMARIN PHARMACEUTICAL INC | AGrant or award Common Stock | +9,367 | $0.00 | $0 | 98,976 | Feb 27, 2025 |
| Oct 31, 2024 | BMRN BIOMARIN PHARMACEUTICAL INC | AGrant or award Common Stock | +55 | $56.01 | $3,080 | 74,187 | Nov 14, 2024 |
| Nov 12, 2024 | BMRN BIOMARIN PHARMACEUTICAL INC | SOpen-market sale Common Stock | -5,278 | $66.37 | $350k | 68,909 | Nov 14, 2024 |
| Oct 31, 2023 | BMRN BIOMARIN PHARMACEUTICAL INC | AGrant or award Common Stock | +133 | $69.23 | $9,208 | 40,174 | Dec 5, 2023 |
| Dec 1, 2023 | BMRN BIOMARIN PHARMACEUTICAL INC | AGrant or award Common Stock | +11,840 | $0.00 | $0 | 52,014 | Dec 5, 2023 |
Questions about Charles Greg Guyer
Answered from the filings on this page, as of the latest one.
Is Charles Greg Guyer buying or selling?
In the last 12 months Charles Greg Guyer reported 0 open-market buys worth $0 and 1 open-market sell worth $997k on SEC Form 4; the latest was sold $997k of BMRN on Mar 11, 2026. Grants, option exercises and tax withholding are not counted.
How did Charles Greg Guyer's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and Charles Greg Guyer has 0.
Where does Charles Greg Guyer file Form 4?
Charles Greg Guyer has filed Form 4 at BMRN (BIOMARIN PHARMACEUTICAL INC) as EVP, Chief Technical Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.