Kieran Brennan serves as Executive at TSS, Inc., where they oversee executive responsibilities. Since joining the company, Kieran Brennan has executed 14 insider transactions totaling $763.2K, demonstrating a bearish approach to their equity position. Their most recent transaction on Jan 14, 2026 involved receiving (via award) 12,181 shares valued at $0.
Kieran Brennan currently holds 300,156 shares of TSS, Inc. (TSSI), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Kieran Brennan has been a net seller of TSSI stock. They have purchased $0 and sold $763.2K worth of shares.
Kieran Brennan's most recent insider trade was on Jan 14, 2026, when they sold 12,181 shares at $0.00 per share.
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| $5.09 |
| Discretionary |
| Sep 12, 2024 | TSSI | $73.7K | Sale | 15,110 | $4.88 | Discretionary |
| Sep 11, 2024 | TSSI | $132.3K | Sale | 27,450 | $4.82 | Discretionary |
| Sep 10, 2024 | TSSI | $48.8K | Sale | 10,000 | $4.88 | Discretionary |
| Sep 9, 2024 | TSSI | $179.6K | Sale | 35,000 | $5.13 | Discretionary |
| Aug 29, 2024 | TSSI | $122.5K | Option Exercise | 250,000 | $0.49 | Discretionary |
| Aug 29, 2024 | TSSI | $439.7K | Payment | 84,720 | $5.19 | Discretionary |
| Aug 19, 2024 | TSSI | $99.8K | Sale | 25,000 | $3.99 | Discretionary |
| Feb 27, 2024 | TSSI | $6.2K | Payment | 14,825 | $0.42 | Discretionary |
| Feb 24, 2023 | TSSI | $0 | Award | 100,000 | $N/A | Discretionary |
| Feb 13, 2020 | TSSI | $38.8K | Payment | 27,925 | $1.39 | Discretionary |
| Feb 7, 2019 | TSSI | $23.7K | Payment | 29,650 | $0.80 | Discretionary |
| Jan 22, 2018 | TSSI | $0 | Award | 200,000 | $N/A | Discretionary |