Mark L. Baum
CHIEF EXECUTIVE OFFICER, Director · HARROW, INC.
- 2025
- May 15, 2026
- 5
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Mark L. Baum 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.
- Opaleye Management Inc. - $9.18M in HROW purchases and sales in the last 12 months
- Amir Shojaei - $450K in HROW purchases and sales in the last 12 months
- Andrew R. Boll - $105K in HROW purchases and sales in the last 12 months
- Adrienne L. Graves - $31K in HROW purchases and sales in the last 12 months
- Lauren P. Silvernail - $31K in HROW purchases and sales in the last 12 months
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Frequently asked questions
Who is Mark L. Baum?
Mark L. Baum is a corporate insider, tracked as CHIEF EXECUTIVE OFFICER, Director of HARROW, INC. (HROW). InsiderAlpha holds 5 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Mark L. Baum last file a Form 4?
The most recent primary Form 4 on record is dated 15 May 2026, one of 5 filings going back to 2025.
Has Mark L. Baum been buying or selling stock?
Recorded transactions: 1 open-market purchase ($302K) and 0 open-market sales across all tracked filings.
