Summary
Updated Aug 31, 2026
Thomas J. Allison files SEC Form 4 reports at Horizon Technology Finance Corp (HRZN). 4 SEC Form 4 filings on record, most recently on 11 June 2026. Most recent open-market trade: bought $26K of HRZN on 11 June 2026. Lifetime open-market purchases: $52K.
Recent Transactions
4Every recent SEC Form 4 transaction Thomas J. Allison has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Thomas J. Allison go back to 2026: 4 primary Form 4 filings, an average of 4.0 per year. The typical open-market purchase is $26K (2 buys totaling $52K). The largest single buy on record is $26K of HRZN in 2026. 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 Thomas J. Allison 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.
- Michael Balkin - $434K of HRZN open-market activity in the last 12 months
- Paul G. Seitz - $50K of HRZN open-market activity in the last 12 months
- Daniel R. Trolio - $50K of HRZN open-market activity in the last 12 months
- Kimberley Ann O'Connor - $44K of HRZN open-market activity in the last 12 months
- Jonathan Joseph Goodman - $26K of HRZN 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 Thomas J. Allison?
Thomas J. Allison is a corporate insider of Horizon Technology Finance Corp (HRZN). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Thomas J. Allison submitted recently?
2 primary Form 4 filings in the last 90 days, covering 1 company.
Has Thomas J. Allison been buying or selling stock?
Recorded transactions: 2 open-market purchases ($52K) and 0 open-market sales across all tracked filings.
Where can I see all of Thomas J. Allison'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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