Arnold A. Pinkston
Director · BIO-RAD LABORATORIES, INC.
Individual
- 2025
- Apr 23, 2026
- 2
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Arnold A. Pinkston 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.
- James Barry - $214K in BIO purchases and sales in the last 12 months
- Eva Anette Engelhardt - $136K in BIO purchases and sales in the last 12 months
More insiders (A-Z)
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Frequently asked questions
Who is Arnold A. Pinkston?
Arnold A. Pinkston is a corporate insider, tracked as Director of BIO-RAD LABORATORIES, INC. (BIO). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Arnold A. Pinkston last file a Form 4?
The most recent primary Form 4 on record is dated 23 April 2026, one of 2 filings going back to 2025.
