9 insiders reported 64 Form 4 transactions for TSS, Inc. (TSSI) over the past 18 months (most recent 2026-06-30). Recent activity: MARROTT KARL TODD (Chief Operating Officer) Sell 49,188 shares, Woodward Peter H (Director) Sell 200,000 shares, Brennan Kieran (Senior Vice President) Sell 10,000 shares, Woodward Peter H (Director) Sell 100,000 shares, HEATON LARRY C II (CEO) Buy 250,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-30 | MARROTT KARL TODD | Chief Operating Officer | Sell | 49,188 | $556,808 |
| 2026-06-02 | Woodward Peter H | Director | Sell | 200,000 | $3.2M |
| 2026-06-02 | Brennan Kieran | Senior Vice President | Sell | 10,000 | $160,014 |
| 2026-06-02 | Woodward Peter H | Director | Sell | 100,000 | $1.5M |
| 2026-05-08 | HEATON LARRY C II | CEO | Buy | 250,000 | $27,500 |
| 2026-05-08 | Dewan Darryll E | Chief Executive Officer | Sell | 50,000 | $850,000 |
| 2026-04-24 | Dewan Darryll E | Chief Executive Officer | Sell | 50,000 | $800,000 |
| 2026-04-22 | MARROTT KARL TODD | Chief Operating Officer | Buy | 250,000 | $0 |
| 2026-04-22 | MARROTT KARL TODD | Chief Operating Officer | Sell | 48,652 | $1.5M |
| 2026-04-17 | MARROTT KARL TODD | Chief Operating Officer | Sell | 23,636 | $357,206 |
| 2026-04-17 | MARROTT KARL TODD | Chief Operating Officer | Sell | 15,213 | $228,613 |
| 2026-04-17 | MARROTT KARL TODD | Chief Operating Officer | Sell | 800 | $12,000 |
| 2026-04-16 | CHISM DANIEL M | Chief Financial Officer | Sell | 25,000 | $375,000 |
| 2026-04-16 | Dewan Darryll E | Chief Executive Officer | Sell | 50,000 | $750,000 |
| 2026-03-25 | CHISM DANIEL M | Chief Financial Officer | Buy | 5,000 | $0 |
| 2026-03-25 | CHISM DANIEL M | Chief Financial Officer | Sell | 609 | $7,552 |
| 2026-03-25 | Brennan Kieran | Senior Vice President | Buy | 2,500 | $0 |
| 2026-03-25 | Brennan Kieran | Senior Vice President | Buy | 304 | $3,770 |
| 2026-03-25 | MARROTT KARL TODD | Chief Operating Officer | Buy | 5,000 | $0 |
| 2026-03-25 | MARROTT KARL TODD | Chief Operating Officer | Sell | 609 | $7,552 |
| 2026-03-25 | Dewan Darryll E | Chief Executive Officer | Buy | 5,000 | $0 |
| 2026-03-17 | Brennan Kieran | Senior Vice President | Sell | 12,000 | $147,240 |
| 2026-02-25 | Brennan Kieran | Senior Vice President | Sell | 9,019 | $76,211 |
| 2026-02-25 | MARROTT KARL TODD | Chief Operating Officer | Sell | 8,117 | $68,589 |
| 2026-02-02 | Dewan Darryll E | Chief Executive Officer | Sell | 25,960 | $290,752 |
Source: SEC Form 4 filings · as of 2026-06-30