Summary
Updated Aug 31, 2026
Robert J. Alpern files SEC Form 4 reports at ABBOTT LABORATORIES (ABT). 8 SEC Form 4 filings on record going back to 2024, most recently on 2 April 2026.
Trading Pattern
InsiderAlpha's records for Robert J. Alpern go back to 2024: 8 primary Form 4 filings, an average of 2.7 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 Robert J. Alpern 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.
- Robert B. Ford - $48.22M of ABT open-market activity in the last 12 months
- Perry C. Siatis - $9.52M of ABBV open-market activity in the last 12 months
- Nicholas Donoghoe - $8.18M of ABBV open-market activity in the last 12 months
- Daniel J. Starks - $2.01M of ABT open-market activity in the last 12 months
- David Ryan Purdue - $1.22M of ABBV open-market activity in the last 12 months
- Louis H. Morrone - $775K of ABT 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 Robert J. Alpern?
Robert J. Alpern is a corporate insider of ABBOTT LABORATORIES (ABT). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Robert J. Alpern last file a Form 4?
The most recent primary Form 4 on record is dated 2 April 2026, one of 8 filings going back to 2024.
Where can I see all of Robert J. Alpern'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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