TSS, Inc. (TSSI) Insider Trading
Over the last 3 months, TSSI insiders made 0 open-market buys and 3 sales, a net sale of -$4.9M (SEC Form 4). Over the last 6 months, 38 institutions increased and 23 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
3
Net (3m)
-$4.9M
Insider trades by month Buys Sells
Nov
Dec
Mar
Apr
May
Jun
Context3-month price -50.2%Institutions reducing (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 30, 2026 | MARROTT KARL TODDofficer: Chief Operating Officer | Tax | 49,188 | $11.32 |
| Jun 2, 2026 | Woodward Peter Hdirector | Sell | 100,000 | $15.48 |
| Jun 2, 2026 | Woodward Peter Hdirector | Sell | 200,000 | $16.07 |
| Jun 2, 2026 | Brennan Kieranofficer: Senior Vice President | Sell | 10,000 | $16.00 |
| May 8, 2026 | Dewan Darryll Eofficer: Chief Executive Officer | Sell | 50,000 | $17.00 |
| May 8, 2026 | HEATON LARRY C IIdirector, officer: CEO | Buy | 250,000 | $0.11 |
| Apr 24, 2026 | Dewan Darryll Eofficer: Chief Executive Officer | Sell | 50,000 | $16.00 |
| Apr 22, 2026 | MARROTT KARL TODDofficer: Chief Operating Officer | Tax | 48,652 | $30.25 |
| Apr 22, 2026 | MARROTT KARL TODDofficer: Chief Operating Officer | Grant | 250,000 | — |
| Apr 17, 2026 | MARROTT KARL TODDofficer: Chief Operating Officer | Sell | 23,636 | $15.11 |
| Apr 17, 2026 | MARROTT KARL TODDofficer: Chief Operating Officer | Sell | 800 | $15.00 |
| Apr 17, 2026 | MARROTT KARL TODDofficer: Chief Operating Officer | Sell | 15,213 | $15.03 |
| Apr 16, 2026 | CHISM DANIEL Mofficer: Chief Financial Officer | Sell | 25,000 | $15.00 |
| Apr 16, 2026 | Dewan Darryll Eofficer: Chief Executive Officer | Sell | 50,000 | $15.00 |
| Mar 25, 2026 | CHISM DANIEL Mofficer: Chief Financial Officer | Grant | 5,000 | — |
| Mar 25, 2026 | CHISM DANIEL Mofficer: Chief Financial Officer | Tax | 609 | $12.40 |
| Mar 25, 2026 | Brennan Kieranofficer: Senior Vice President | Tax | 304 | $12.40 |
| Mar 25, 2026 | MARROTT KARL TODDofficer: Chief Operating Officer | Grant | 5,000 | — |
| Mar 25, 2026 | MARROTT KARL TODDofficer: Chief Operating Officer | Tax | 609 | $12.40 |
| Mar 25, 2026 | Dewan Darryll Eofficer: Chief Executive Officer | Grant | 5,000 | — |
| Mar 25, 2026 | Brennan Kieranofficer: Senior Vice President | Grant | 2,500 | — |
| Mar 17, 2026 | Brennan Kieranofficer: Senior Vice President | Sell | 12,000 | $12.27 |
| Feb 25, 2026 | Brennan Kieranofficer: Senior Vice President | Tax | 9,019 | $8.45 |
| Feb 25, 2026 | MARROTT KARL TODDofficer: Chief Operating Officer | Tax | 8,117 | $8.45 |
| Feb 2, 2026 | Dewan Darryll Edirector, officer: Chief Executive Officer | Tax | 25,960 | $11.20 |
| Jan 20, 2026 | CHISM DANIEL Mofficer: Chief Financial Officer | Tax | 12,175 | $12.05 |
| Jan 20, 2026 | MARROTT KARL TODDofficer: Chief Operating Officer | Tax | 12,175 | $12.05 |
| Jan 20, 2026 | Dewan Darryll Edirector, officer: Chief Executive Officer | Tax | 26,903 | $12.05 |
| Jan 16, 2026 | Brennan Kieranofficer: Senior Vice President | Grant | 12,181 | — |
| Jan 16, 2026 | Dewan Darryll Edirector, officer: Chief Executive Officer | Grant | 37,843 | — |
Source: TSSI SEC Form 4 filings, latest Jun 30, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their TSSI positions over the last 6 months (SEC Form 13F).
Increased
38
New positions
38
Reduced
23
Sold out
111
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 1.8M | May 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 968K | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 823K | May 15, 2026 |
| JANE STREET GROUP, LLC | Increased | 759K | May 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 576K | May 15, 2026 |
| UBS GROUP AG | Increased | 522K | May 5, 2026 |
| VALUE ALIGNED RESEARCH ADVISORS, LLC | Unchanged | 461K | May 18, 2026 |
| STATE STREET CORP | Increased | 425K | May 15, 2026 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | New Position | 417K | May 15, 2026 |
| CITADEL ADVISORS LLC | Reduced | 380K | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | Reduced | 370K | May 15, 2026 |
| LPL FINANCIAL LLC | Increased | 343K | May 6, 2026 |
| MARSHALL WACE, LLP | New Position | 325K | May 15, 2026 |
| ROCKEFELLER CAPITAL MANAGEMENT L.P. | Increased | 217K | May 14, 2026 |
| D. E. SHAW & CO., INC. | Reduced | 186K | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.