In the last 12 months, insiders at TSS, Inc. ($TSSI) filed 122 transactions with the SEC: 3 open-market purchases totaling $71,375 and 43 sales totaling $13,318,166. Net insider sentiment: net selling.
TSS, Inc. operates in the Services-management consulting services industry (Trade & services sector).
Most Active Insiders
- Dewan Darryll E (President and CEO) — 20 transactions totaling $7,148,585
- Brennan Kieran (Senior Vice President) — 26 transactions totaling $3,545,619
- Woodward Peter H (Director) — 5 transactions totaling $3,541,067
- MARROTT KARL TODD (Chief Operating Officer) — 26 transactions totaling $2,555,131
- CHISM DANIEL M (Chief Financial Officer) — 15 transactions totaling $1,218,383
View all SEC Filings for TSS, Inc. (TSSI).
Set Up your own filters →Recent Insider Transactions
| Transaction Date | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|
| March 23, 2026 | Brennan Kieran | Senior Vice President | A | Common Stock | 2500 | $0.00 | 281,637.0000 | 28,845,037 | 0.90% | 0.01% |
| March 23, 2026 | Brennan Kieran | Senior Vice President | F | Common Stock | 304 | $12.40 | 281,333.0000 | 28,845,037 | 0.11% | 0.00% |
| March 23, 2026 | MARROTT KARL TODD | Chief Operating Officer | F | Common Stock | 609 | $12.40 | 290,936.0000 | 28,845,037 | 0.21% | 0.00% |
| March 23, 2026 | MARROTT KARL TODD | Chief Operating Officer | A | Common Stock | 5000 | $0.00 | 291,545.0000 | 28,845,037 | 1.74% | 0.02% |
| March 23, 2026 | Dewan Darryll E | Chief Executive Officer | A | Common Stock | 5000 | $0.00 | 609,471.0000 | 28,845,037 | 0.83% | 0.02% |
| March 23, 2026 | CHISM DANIEL M | Chief Financial Officer | A | Common Stock | 5000 | $0.00 | 363,824.0000 | 28,845,037 | 1.39% | 0.02% |
| March 23, 2026 | CHISM DANIEL M | Chief Financial Officer | F | Common Stock | 609 | $12.40 | 363,215.0000 | 28,845,037 | 0.17% | 0.00% |
| March 16, 2026 | Brennan Kieran | Senior Vice President | S | Common Stock | 12000 | $12.27 | 279,137.0000 | 28,845,037 | 4.12% | 0.04% |
| Feb. 24, 2026 | Brennan Kieran | Senior Vice President | F | Common Stock | 9019 | $8.45 | 291,137.0000 | 28,845,037 | 3.00% | 0.03% |
| Feb. 24, 2026 | MARROTT KARL TODD | Chief Operating Officer | F | Common Stock | 8117 | $8.45 | 286,545.0000 | 28,845,037 | 2.75% | 0.03% |
| Jan. 29, 2026 | Dewan Darryll E | Chief Executive Officer | F | Common Stock | 25960 | $11.20 | 604,471.0000 | 28,845,037 | 4.12% | 0.09% |
| Jan. 16, 2026 | CHISM DANIEL M | Chief Financial Officer | F | Common Stock | 12175 | $12.05 | 358,824.0000 | 28,845,037 | 3.28% | 0.04% |
| Jan. 16, 2026 | Dewan Darryll E | Chief Executive Officer | F | Common Stock | 26903 | $12.05 | 630,431.0000 | 28,845,037 | 4.09% | 0.09% |
| Jan. 16, 2026 | MARROTT KARL TODD | Chief Operating Officer | F | Common Stock | 12175 | $12.05 | 294,662.0000 | 28,845,037 | 3.97% | 0.04% |
| Jan. 14, 2026 | MARROTT KARL TODD | Chief Operating Officer | A | Common Stock | 29801 | $0.00 | 306,837.0000 | 28,845,037 | 10.76% | 0.10% |
| Jan. 14, 2026 | Brennan Kieran | Senior Vice President | A | Common Stock | 12181 | $0.00 | 300,156.0000 | 28,845,037 | 4.23% | 0.04% |
| Jan. 14, 2026 | CHISM DANIEL M | Chief Financial Officer | A | Common Stock | 33113 | $0.00 | 370,999.0000 | 28,845,037 | 9.80% | 0.11% |
| Jan. 14, 2026 | Dewan Darryll E | Chief Executive Officer | A | Common Stock | 37843 | $0.00 | 657,334.0000 | 28,845,037 | 6.11% | 0.13% |
| Jan. 14, 2026 | FAHY MICHAEL JOHN | Not found | A | Common Stock | 3784 | $0.00 | 8,784.0000 | 28,845,037 | 75.68% | 0.01% |
| Jan. 14, 2026 | Woodward Peter H | Not found | A | Common Stock | 3784 | $0.00 | 3,324,354.0000 | 28,845,037 | 0.11% | 0.01% |
| Jan. 14, 2026 | MOHINDRA VIVEK | Not found | A | Common Stock | 3784 | $0.00 | 3,784.0000 | 28,845,037 | 9999.99% | 0.01% |
| Jan. 14, 2026 | Metzler Richard M. | Not found | A | Common Stock | 3784 | $0.00 | 153,784.0000 | 28,845,037 | 2.52% | 0.01% |
| Jan. 8, 2026 | CHISM DANIEL M | Chief Financial Officer | M | Common Stock | 41667 | $1.72 | 337,886.0000 | 28,845,037 | 14.07% | 0.14% |
| Jan. 8, 2026 | CHISM DANIEL M | Chief Financial Officer | M | Employee Stock Option | 41667 | $0.00 | 83,333.0000 | 28,845,037 | 33.33% | 0.14% |
| Jan. 1, 2026 | Dewan Darryll E | Chief Executive Officer | F | Common Stock | 13539 | $7.07 | 619,491.0000 | 28,845,037 | 2.14% | 0.05% |
| Jan. 1, 2026 | MARROTT KARL TODD | Chief Operating Officer | F | Common Stock | 13539 | $7.07 | 277,036.0000 | 28,845,037 | 4.66% | 0.05% |
| Dec. 9, 2025 | Woodward Peter H | Not found | S | Common Stock | 30000 | $8.82 | 3,320,570.0000 | 28,845,037 | 0.90% | 0.10% |
| Dec. 11, 2025 | Woodward Peter H | Not found | S | Common Stock | 21700 | $8.30 | 3,298,870.0000 | 28,845,037 | 0.65% | 0.08% |
| Dec. 3, 2025 | MARROTT KARL TODD | Chief Operating Officer | G | Common Stock | 5000 | $0.00 | 290,575.0000 | 28,845,037 | 1.69% | 0.02% |
| Nov. 18, 2025 | FAHY MICHAEL JOHN | Not found | P | Common Stock | 5000 | $8.00 | 5,000.0000 | 28,845,037 | 9999.99% | 0.02% |
| Nov. 11, 2025 | MOHINDRA VIVEK | Not found | A | Employee Stock Option | 6000 | $0.00 | 6,000.0000 | 25,028,734 | 9999.99% | 0.02% |
| Sept. 10, 2025 | CHISM DANIEL M | Chief Financial Officer | S | Common Stock | 15000 | $16.17 | 296,219.0000 | 25,028,734 | 4.82% | 0.06% |
| Sept. 10, 2025 | MARROTT KARL TODD | Chief Operating Officer | S | Common Stock | 11100 | $16.17 | 295,575.0000 | 25,028,734 | 3.62% | 0.04% |
| Aug. 28, 2025 | MARROTT KARL TODD | Chief Operating Officer | S | Common Stock | 23908 | $16.16 | 306,675.0000 | 25,028,734 | 7.23% | 0.10% |
| Aug. 28, 2025 | CHISM DANIEL M | Chief Financial Officer | S | Common Stock | 5000 | $16.20 | 311,219.0000 | 25,028,734 | 1.58% | 0.02% |
| Aug. 27, 2025 | CHISM DANIEL M | Chief Financial Officer | S | Common Stock | 10000 | $16.25 | 316,219.0000 | 25,028,734 | 3.07% | 0.04% |
| Aug. 27, 2025 | MARROTT KARL TODD | Chief Operating Officer | S | Common Stock | 2917 | $16.23 | 330,583.0000 | 25,028,734 | 0.87% | 0.01% |
| June 10, 2025 | Brennan Kieran | Senior Vice President | S | Common Stock | 5025 | $21.10 | 287,975.0000 | 25,028,734 | 1.72% | 0.02% |
| June 7, 2025 | CHISM DANIEL M | Chief Financial Officer | F | Common Stock | 20755 | $19.84 | 326,219.0000 | 25,028,734 | 5.98% | 0.08% |
| June 3, 2025 | Brennan Kieran | Senior Vice President | S | Common Stock | 5000 | $15.00 | 293,000.0000 | 25,028,734 | 1.68% | 0.02% |
| June 1, 2025 | Brennan Kieran | Senior Vice President | S | Common Stock | 5000 | $14.50 | 298,000.0000 | 25,028,734 | 1.65% | 0.02% |
| May 30, 2025 | Brennan Kieran | Senior Vice President | S | Common Stock | 15000 | $13.89 | 303,000.0000 | 25,028,734 | 4.72% | 0.06% |
| May 28, 2025 | Brennan Kieran | Senior Vice President | S | Common Stock | 5000 | $13.50 | 318,000.0000 | 25,028,734 | 1.55% | 0.02% |
| May 23, 2025 | Brennan Kieran | Senior Vice President | S | Common Stock | 10000 | $13.07 | 323,000.0000 | 25,028,734 | 3.00% | 0.04% |
| Jan. 16, 2025 | Dewan Darryll E | President and CEO | F | Common Stock | 12884 | $11.79 | 433,030.0000 | 0 | 2.89% | 0.00% |
| Jan. 16, 2025 | Dewan Darryll E | President and CEO | A | Common Stock | 200000 | $0.00 | 633,030.0000 | 0 | 46.19% | 0.00% |
| Jan. 16, 2025 | CHISM DANIEL M | Chief Financial Officer | F | Common Stock | 8026 | $11.79 | 196,974.0000 | 0 | 3.92% | 0.00% |
| Jan. 16, 2025 | CHISM DANIEL M | Chief Financial Officer | A | Common Stock | 80000 | $0.00 | 205,000.0000 | 0 | 64.00% | 0.00% |
| Jan. 16, 2025 | MARROTT KARL TODD | Chief Operating Officer | A | Common Stock | 150000 | $0.00 | 333,500.0000 | 0 | 81.74% | 0.00% |
| Jan. 16, 2025 | MARROTT KARL TODD | Chief Operating Officer | A | Common Stock | 100000 | $0.00 | 183,500.0000 | 0 | 119.76% | 0.00% |
| Jan. 16, 2025 | CHISM DANIEL M | Chief Financial Officer | A | Common Stock | 150000 | $0.00 | 346,974.0000 | 0 | 76.15% | 0.00% |
| Jan. 16, 2025 | Dewan Darryll E | President and CEO | A | Common Stock | 100000 | $0.00 | 445,914.0000 | 0 | 28.91% | 0.00% |
| Dec. 13, 2024 | Woodward Peter H | Director | S | Common Stock | 50000 | $9.07 | 3,323,870.0000 | 0 | 1.48% | 0.00% |
| Dec. 11, 2024 | Brennan Kieran | Senior Vice President | S | Common Stock | 46470 | $9.35 | 359,455.0000 | 0 | 11.45% | 0.00% |
| Dec. 12, 2024 | Brennan Kieran | Senior Vice President | S | Common Stock | 26455 | $9.69 | 333,000.0000 | 0 | 7.36% | 0.00% |
| Dec. 6, 2024 | Dewan Darryll E | President and CEO | S | Common Stock | 40000 | $10.23 | 395,914.0000 | 0 | 9.18% | 0.00% |
| Dec. 10, 2024 | Dewan Darryll E | President and CEO | S | Common Stock | 50000 | $9.23 | 345,914.0000 | 0 | 12.63% | 0.00% |
| Dec. 5, 2024 | MARROTT KARL TODD | Chief Operating Officer | G | Common Stock | 1000 | $0.00 | 85,000.0000 | 0 | 1.16% | 0.00% |
| Dec. 9, 2024 | MARROTT KARL TODD | Chief Operating Officer | G | Common Stock | 1500 | $0.00 | 83,500.0000 | 0 | 1.76% | 0.00% |
| Dec. 3, 2024 | Oliver James Mulford III | CRO | S | Common Stock | 55772 | $11.14 | 104,504.0000 | 0 | 34.80% | 0.00% |
| Nov. 27, 2024 | MARROTT KARL TODD | Chief Operating Officer | S | Common Stock | 368 | $10.31 | 86,000.0000 | 0 | 0.43% | 0.00% |
| Nov. 29, 2024 | Dewan Darryll E | President and CEO | S | Common Stock | 40000 | $10.22 | 435,914.0000 | 0 | 8.40% | 0.00% |
| Nov. 29, 2024 | Dewan Darryll E | President and CEO | S | Common Stock | 5000 | $10.20 | 435,914.0000 | 0 | 1.13% | 0.00% |
| Nov. 25, 2024 | Dewan Darryll E | President and CEO | S | Common Stock | 51913 | $8.25 | 480,914.0000 | 0 | 9.74% | 0.00% |
| Nov. 22, 2024 | MARROTT KARL TODD | Chief Operating Officer | S | Common Stock | 50000 | $7.38 | 116,146.0000 | 0 | 30.09% | 0.00% |
| Nov. 25, 2024 | MARROTT KARL TODD | Chief Operating Officer | S | Common Stock | 29778 | $7.98 | 86,368.0000 | 0 | 25.64% | 0.00% |
| Nov. 22, 2024 | Dewan Darryll E | President and CEO | S | Common Stock | 150000 | $7.24 | 532,827.0000 | 0 | 21.97% | 0.00% |
| Nov. 25, 2024 | Brennan Kieran | Senior Vice President | S | Common Stock | 46675 | $8.10 | 405,925.0000 | 0 | 10.31% | 0.00% |
| Nov. 24, 2024 | Metzler Richard M. | Director | M | Common Stock | 150000 | $0.46 | 150,000.0000 | 0 | 9999.99% | 0.00% |
| Nov. 24, 2024 | Metzler Richard M. | Director | M | Employee Stock Option (Right to Buy) | 150000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Nov. 21, 2024 | Dewan Darryll E | President and CEO | S | Common Stock | 67962 | $7.50 | 682,827.0000 | 0 | 9.05% | 0.00% |
| Nov. 19, 2024 | MARROTT KARL TODD | Chief Operating Officer | S | Common Stock | 46222 | $8.13 | 166,146.0000 | 0 | 21.77% | 0.00% |
| Nov. 19, 2024 | Brennan Kieran | Senior Vice President | S | Common Stock | 32720 | $7.89 | 452,600.0000 | 0 | 6.74% | 0.00% |
| Nov. 15, 2024 | Dewan Darryll E | President and CEO | M | Common Stock | 416666 | $0.62 | 932,041.0000 | 0 | 80.85% | 0.00% |
| Nov. 15, 2024 | Dewan Darryll E | President and CEO | F | Common Stock | 181252 | $9.06 | 750,789.0000 | 0 | 19.45% | 0.00% |
| Nov. 15, 2024 | Dewan Darryll E | President and CEO | M | Employee Stock Option (Right to Buy) | 416666 | $0.00 | 416,668.0000 | 0 | 50.00% | 0.00% |
| Nov. 3, 2024 | Dewan Darryll E | President and CEO | M | Employee Stock Option (Right to Buy) | 416666 | $0.00 | 833,333.0000 | 0 | 33.33% | 0.00% |
| Nov. 3, 2024 | Dewan Darryll E | President and CEO | M | Common Stock | 416666 | $0.62 | 699,166.0000 | 0 | 147.49% | 0.00% |
| Nov. 3, 2024 | Dewan Darryll E | President and CEO | F | Common Stock | 183791 | $7.90 | 515,375.0000 | 0 | 26.29% | 0.00% |
| Nov. 2, 2024 | MARROTT KARL TODD | Chief Operating Officer | M | Employee Stock Option (Right to Buy) | 66666 | $0.00 | 66,668.0000 | 0 | 50.00% | 0.00% |
| Nov. 2, 2024 | MARROTT KARL TODD | Chief Operating Officer | M | Common Stock | 66666 | $0.60 | 232,432.0000 | 0 | 40.22% | 0.00% |
| Nov. 2, 2024 | MARROTT KARL TODD | Chief Operating Officer | F | Common Stock | 20064 | $7.90 | 212,368.0000 | 0 | 8.63% | 0.00% |
| Oct. 28, 2024 | Oliver James Mulford III | Chief Revenue Officer | M | Common Stock | 83333 | $0.39 | 258,747.0000 | 0 | 47.51% | 0.00% |
| Oct. 28, 2024 | Oliver James Mulford III | Chief Revenue Officer | M | Employee Stock Option (Right to Buy) | 83333 | $0.00 | 166,667.0000 | 0 | 33.33% | 0.00% |
| Oct. 28, 2024 | Oliver James Mulford III | Chief Revenue Officer | F | Common Stock | 27561 | $7.40 | 231,186.0000 | 0 | 10.65% | 0.00% |
| Oct. 11, 2024 | FAHY MICHAEL JOHN | Director | A | Employee Stock Option | 20000 | $0.00 | 20,000.0000 | 0 | 9999.99% | 0.00% |
| Sept. 11, 2024 | Brennan Kieran | Senior Vice President | S | Common Stock | 27450 | $4.82 | 545,430.0000 | 0 | 4.79% | 0.00% |
| Sept. 13, 2024 | Brennan Kieran | Senior Vice President | S | Common Stock | 45000 | $5.09 | 485,320.0000 | 0 | 8.49% | 0.00% |
| Sept. 12, 2024 | Brennan Kieran | Senior Vice President | S | Common Stock | 15110 | $4.88 | 530,320.0000 | 0 | 2.77% | 0.00% |
| Sept. 10, 2024 | Brennan Kieran | Senior Vice President | S | Common Stock | 10000 | $4.88 | 572,880.0000 | 0 | 1.72% | 0.00% |
| Sept. 9, 2024 | Brennan Kieran | Senior Vice President | S | Common Stock | 35000 | $5.13 | 582,880.0000 | 0 | 5.66% | 0.00% |
| Sept. 3, 2024 | MARROTT KARL TODD | Chief Operating Officer | M | Employee Stock Option (Right to Buy) | 66666 | $0.00 | 133,334.0000 | 0 | 33.33% | 0.00% |
| Sept. 3, 2024 | MARROTT KARL TODD | Chief Operating Officer | M | Common Stock | 66666 | $0.60 | 187,991.0000 | 0 | 54.95% | 0.00% |
| Sept. 3, 2024 | MARROTT KARL TODD | Chief Operating Officer | F | Common Stock | 22225 | $5.05 | 165,766.0000 | 0 | 11.82% | 0.00% |
| Aug. 29, 2024 | Woodward Peter H | Director | S | Common Stock | 326622 | $5.06 | 3,853,016.0000 | 0 | 7.81% | 0.00% |
| Aug. 30, 2024 | Woodward Peter H | Director | S | Common Stock | 292381 | $4.91 | 3,560,635.0000 | 0 | 7.59% | 0.00% |
| Aug. 16, 2024 | Woodward Peter H | Director | J | Common Stock | 25000 | $0.00 | 3,560,635.0000 | 0 | 0.71% | 0.00% |
| Aug. 29, 2024 | Brennan Kieran | Senior Vice President | M | Common Stock | 250000 | $0.49 | 702,600.0000 | 0 | 55.24% | 0.00% |
| Aug. 16, 2024 | Woodward Peter H | Director | J | Common Stock | 15574 | $0.00 | 3,560,635.0000 | 0 | 0.44% | 0.00% |
| Aug. 29, 2024 | Brennan Kieran | Senior Vice President | F | Common Stock | 84720 | $5.19 | 617,880.0000 | 0 | 12.06% | 0.00% |
| Aug. 29, 2024 | Brennan Kieran | Senior Vice President | M | Employee Stock Option (Right to Buy) | 250000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Aug. 27, 2024 | Oliver James Mulford III | Chief Revenue Officer | S | Common Stock | 17500 | $5.00 | 175,414.0000 | 0 | 9.07% | 0.00% |
| Aug. 23, 2024 | MARROTT KARL TODD | Chief Operating Officer | S | Common Stock | 40000 | $4.44 | 145,175.0000 | 0 | 21.60% | 0.00% |
| Aug. 19, 2024 | Brennan Kieran | Senior Vice President | S | Common Stock | 25000 | $3.99 | 452,600.0000 | 0 | 5.23% | 0.00% |
| Aug. 26, 2024 | MARROTT KARL TODD | Chief Operating Officer | S | Common Stock | 23850 | $4.58 | 121,325.0000 | 0 | 16.43% | 0.00% |
| June 7, 2024 | CHISM DANIEL M | Chief Financial Officer | M | Employee Stock Option | 125000 | $0.00 | 125,000.0000 | 0 | 9999.99% | 0.00% |
| June 7, 2024 | CHISM DANIEL M | Chief Financial Officer | A | Common Stock | 125000 | $0.00 | 125,000.0000 | 0 | 9999.99% | 0.00% |
| May 17, 2024 | Penver John K | Chief Financial Officer | M | Employee Stock Option | 200000 | $0.00 | 0.0000 | 0 | 0.00% | 0.00% |
| May 17, 2024 | Penver John K | Chief Financial Officer | F | Common Stock | 14286 | $1.40 | 879,139.0000 | 0 | 1.60% | 0.00% |
| May 17, 2024 | Penver John K | Chief Financial Officer | M | Common Stock | 200000 | $0.10 | 893,425.0000 | 0 | 28.84% | 0.00% |
| April 3, 2024 | Dewan Darryll E | President and CEO | P | Common Stock | 10000 | $0.60 | 282,500.0000 | 0 | 3.67% | 0.00% |
| Feb. 27, 2024 | Brennan Kieran | Senior Vice President | F | Common Stock | 14825 | $0.42 | 477,600.0000 | 0 | 3.20% | 0.00% |
| Feb. 27, 2024 | Penver John K | Chief Financial Officer | F | Common Stock | 21325 | $0.42 | 911,089.0000 | 0 | 2.40% | 0.00% |
| Jan. 24, 2024 | Dewan Darryll E | President and CEO | A | Common Stock | 200000 | $0.00 | 272,500.0000 | 0 | 275.86% | 0.00% |
| Jan. 24, 2024 | Dewan Darryll E | President and CEO | A | Employee Stock Option | 450000 | $0.00 | 450,000.0000 | 0 | 9999.99% | 0.00% |
| Aug. 6, 2023 | Penver John K | Chief Financial Officer | F | Common Stock | 34860 | $0.40 | 932,414.0000 | 0 | 3.60% | 0.00% |
| May 16, 2023 | Dewan Darryll E | President and CEO | P | Common Stock | 72500 | $0.35 | 72,500.0000 | 0 | 9999.99% | 0.00% |
| Feb. 24, 2023 | Brennan Kieran | Senior Vice President | A | Common Stock | 100000 | $0.00 | 492,425.0000 | 0 | 25.48% | 0.00% |
| Feb. 24, 2023 | Penver John K | Chief Financial Officer | A | Common Stock | 100000 | $0.00 | 967,274.0000 | 0 | 11.53% | 0.00% |
| Dec. 30, 2022 | Penver John K | Chief Financial Officer | F | Common Stock | 17857 | $0.56 | 649,610.0000 | 0 | 2.68% | 0.00% |
| Dec. 30, 2022 | Penver John K | Chief Financial Officer | M | Employee Stock Option | 100000 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Dec. 30, 2022 | Penver John K | Chief Financial Officer | M | Common Stock | 100000 | $0.10 | 667,467.0000 | 0 | 17.62% | 0.00% |