Charles Greg Guyer
EVP, Chief Technical Officer · BIOMARIN PHARMACEUTICAL INC
- 2024
- Mar 19, 2026
- 5
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Charles Greg Guyer files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- George Eric Davis - $2.76M in BMRN purchases and sales in the last 12 months
- Gregory R. Friberg - $559K in BMRN purchases and sales in the last 12 months
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Frequently asked questions
Who is Charles Greg Guyer?
Charles Greg Guyer is a corporate insider, tracked as EVP, Chief Technical Officer of BIOMARIN PHARMACEUTICAL INC (BMRN). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Charles Greg Guyer last file a Form 4?
The most recent primary Form 4 on record is dated 19 March 2026, one of 5 filings going back to 2024.
Has Charles Greg Guyer been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($1.35M) across all tracked filings.
