Summary
Updated Aug 31, 2026
Kieran Brennan is Senior Vice President of TSS, Inc. (TSSI). 8 SEC Form 4 filings on record going back to 2024, most recently on 3 June 2026. Most recent open-market trade: sold $147K of TSSI on 17 March 2026. Lifetime open-market sales: $1.47M.
Recent Transactions
7Every recent SEC Form 4 transaction Kieran Brennan has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Kieran Brennan 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 Kieran Brennan 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.
- Daniel M. Chism - $243K of TSSI open-market activity in the last 12 months
- Karl Todd Marrott - $179K of TSSI open-market activity in the last 12 months
- Michael John Fahy - $40K of TSSI 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 Kieran Brennan?
Kieran Brennan is a corporate insider, tracked as Senior Vice President of TSS, Inc. (TSSI). InsiderAlpha holds 8 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Kieran Brennan submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Kieran Brennan been buying or selling stock?
Recorded transactions: 0 open-market purchases and 5 open-market sales ($1.47M) across all tracked filings.
Where can I see all of Kieran Brennan'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.
Learn More
Follow Kieran Brennan and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial