TSS, Inc. (TSSI) Insider Trading
Over the last 3 months, TSSI insiders made 1 open-market buy and 11 sales, a net sale of -$8.4M (SEC Form 4). Over the last 6 months, 82 institutions increased and 46 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
1
Sells (3m)
11
Net (3m)
-$8.4M
Insiders buyingFirst buy in 2 quarters
Insider trades by month Buys Sells
Nov
Dec
Mar
Apr
May
Jun
Context3-month price +39.9%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 2, 2026 | Woodward Peter Hdirector | Sell | 100,000 | $15.48 |
| Jun 2, 2026 | Brennan Kieranofficer: Senior Vice President | Sell | 10,000 | $16.00 |
| Jun 2, 2026 | Woodward Peter Hdirector | Sell | 200,000 | $16.07 |
| 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 | 800 | $15.00 |
| Apr 17, 2026 | MARROTT KARL TODDofficer: Chief Operating Officer | Sell | 15,213 | $15.03 |
| Apr 17, 2026 | MARROTT KARL TODDofficer: Chief Operating Officer | Sell | 23,636 | $15.11 |
| 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 | MARROTT KARL TODDofficer: Chief Operating Officer | Grant | 5,000 | — |
| Mar 25, 2026 | Dewan Darryll Eofficer: Chief Executive Officer | Grant | 5,000 | — |
| Mar 25, 2026 | MARROTT KARL TODDofficer: Chief Operating Officer | Tax | 609 | $12.40 |
| Mar 25, 2026 | Brennan Kieranofficer: Senior Vice President | Tax | 304 | $12.40 |
| Mar 25, 2026 | CHISM DANIEL Mofficer: Chief Financial Officer | Tax | 609 | $12.40 |
| Mar 25, 2026 | Brennan Kieranofficer: Senior Vice President | Grant | 2,500 | — |
| Mar 25, 2026 | CHISM DANIEL Mofficer: Chief Financial Officer | Grant | 5,000 | — |
| 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 | — |
| Jan 16, 2026 | Woodward Peter Hdirector | Grant | 3,784 | — |
Source: TSSI SEC Form 4 filings, latest Jun 2, 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
82
New positions
48
Reduced
46
Sold out
41
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 1.8M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 1.5M | Feb 12, 2026 |
| VANGUARD GROUP INC | Increased | 1.3M | Jan 29, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 968K | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | Increased | 865K | Feb 17, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 726K | May 15, 2026 |
| JANE STREET GROUP, LLC | Increased | 658K | May 12, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 576K | May 15, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 539K | Feb 9, 2026 |
| UBS GROUP AG | Increased | 522K | May 5, 2026 |
| VALUE ALIGNED RESEARCH ADVISORS, LLC | Unchanged | 461K | May 18, 2026 |
| VALUE ALIGNED RESEARCH ADVISORS, LLC | Increased | 461K | Feb 17, 2026 |
| STATE STREET CORP | Increased | 425K | May 15, 2026 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | New Position | 417K | May 15, 2026 |
| CITADEL ADVISORS LLC | Reduced | 373K | Feb 17, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.