Summary
Updated Aug 31, 2026
Charles S. Berkman is Chief Legal Officer of OmniAb, Inc. (OABI). 4 SEC Form 4 filings on record going back to 2024, most recently on 8 April 2026. Most recent open-market trade: sold $11K of OABI on 8 April 2026. Lifetime open-market sales: $72K.
Recent Transactions
8Every recent SEC Form 4 transaction Charles S. Berkman has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Charles S. Berkman go back to 2024: 4 primary Form 4 filings, an average of 1.3 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Charles S. Berkman 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.
- Matthew W. Foehr - $117K of OABI open-market activity in the last 12 months
- John L. Higgins - $108K of OABI open-market activity in the last 12 months
- Kurt A. Gustafson - $38K of OABI open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Charles S. Berkman?
Charles S. Berkman is a corporate insider, tracked as Chief Legal Officer of OmniAb, Inc. (OABI). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Charles S. Berkman last file a Form 4?
The most recent primary Form 4 on record is dated 8 April 2026, one of 4 filings going back to 2024.
Has Charles S. Berkman been buying or selling stock?
Recorded transactions: 0 open-market purchases and 4 open-market sales ($72K) across all tracked filings.
Where can I see all of Charles S. Berkman's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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