James R. Gruber
Chief Financial Officer · Eton Pharmaceuticals, Inc.
- 2025
- Jan 14, 2026
- 2
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies James R. Gruber 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.
- Sean Brynjelsen - $9.91M in ETON purchases and sales in the last 12 months
- Opaleye Management Inc. - $6.89M in ETON purchases and sales in the last 12 months
- Paul V. Maier - $5.91M in ETON purchases and sales in the last 12 months
- David Krempa - $5.09M in ETON purchases and sales in the last 12 months
- Jennifer McKie Adams - $1.62M in ETON purchases and sales in the last 12 months
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Frequently asked questions
Who is James R. Gruber?
James R. Gruber is a corporate insider, tracked as Chief Financial Officer of Eton Pharmaceuticals, Inc. (ETON). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did James R. Gruber last file a Form 4?
The most recent primary Form 4 on record is dated 14 January 2026, one of 2 filings going back to 2025.
Has James R. Gruber been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($674K) across all tracked filings.
