Nasdaq · CIK 0001320760
TSSI TSS, Inc.
Insider trading from SEC Form 4. Last filing 7 d ago. Close $9.70 on Oct 9, 2026, +40% from the 52-week low and -52% from the high.
TSS, Inc. (TSSI) has 62 SEC Form 4 filings on file from 9 insiders, the latest filed on Oct 6, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
29 open-market trades have been scored at TSSI. The newest: Kieran Brennan (Senior Vice President) sold $160k of stock on Jun 1, 2026, filed Jun 2, 2026, scored 26 (weak). The largest of the 29 shown: Darryll E Dewan (President and CEO) sold $1.5M on Nov 22, 2024, scored 75 (notable). 2 insiders sold within 14 days of each other around Apr 22, 2026.
TSSI closed at $9.70 on Oct 9, 2026, 40% above its 52-week low and 52% below its 52-week high.
12 Form 144 notices of planned sales are on file, the latest filed Sep 10, 2025.
Last 90 days
Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
9
with a Form 4 at this company
Price and insider trades, last year
TSSIOct 9, 2026 · close 9.70
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at TSS, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 26Weak | Kieran Brennan Senior Vice President sell | $160k 10,000 shares | -4% | +126% from low-50% from high | |
| 28Weak | Darryll E Dewan Chief Executive Officer sell | $850k 50,000 shares | -10% | +147% from low-45% from high | |
| 35Weak | Darryll E Dewan Chief Executive Officer sell | $800k 50,000 shares | -9% | +148% from low-46% from high | |
| 26Weak | Daniel M Chism Chief Financial Officer sell | $375k 25,000 shares | -7% | +116% from low-53% from high | |
| 35Weak | Darryll E Dewan Chief Executive Officer sell | $750k 50,000 shares | -8% | +116% from low-53% from high | |
| 26Weak | Kieran Brennan Senior Vice President sell | $147k 12,000 shares | -4% | +94% from low-61% from high | |
| 52Moderate | Peter H Woodward director sell | $445k 51,700 shares | -100% | +40% from low-72% from high | |
| 37Weak | Michael John Fahy director buy | $40k 5,000 shares | - | +27% from low-75% from high | |
| 43Moderate | Daniel M Chism Chief Financial Officer sell | $243k 15,000 shares | -5% | +230% from low-49% from high | |
| 40Moderate | Karl Todd Marrott Chief Operating Officer sell | $179k 11,100 shares | -4% | +230% from low-49% from high | |
| 43Moderate | Daniel M Chism Chief Financial Officer sell | $244k 15,000 shares | -5% | +223% from low-50% from high | |
| 45Moderate | Karl Todd Marrott Chief Operating Officer sell | $434k 26,825 shares | -8% | +223% from low-50% from high | |
| 25Weak | Kieran Brennan Senior Vice President sell | $106k 5,025 shares | -2% | +323% from low-2% from high | |
| 23Weak | Kieran Brennan Senior Vice President sell | $75k 5,000 shares | -2% | +213% from low-8% from high | |
| 29Weak | Kieran Brennan Senior Vice President sell | $281k 20,000 shares | -6% | +199% from low-13% from high | |
| 23Weak | Kieran Brennan Senior Vice President sell | $68k 5,000 shares | -2% | +164% from low-23% from high | |
| 26Weak | Kieran Brennan Senior Vice President sell | $131k 10,000 shares | -3% | +173% from low-20% from high | |
| 47Moderate | Peter H Woodward director, owner sell | $454k 50,000 shares | -4% | - | |
| 56Moderate | Kieran Brennan Senior Vice President sell | $691k 72,925 shares | -18% | - | |
| 68Notable | Darryll E Dewan President and CEO sell | $871k 90,000 shares | -21% | - | |
| 60Notable | James Mulford Oliver III CRO sell | $621k 55,772 shares | -35% | - | |
| 57Moderate | Darryll E Dewan President and CEO sell | $460k 45,000 shares | -10% | - | |
| 35Weak | Karl Todd Marrott Chief Operating Officer sell | $3,794 368 shares | -0% | - | |
| 51Moderate | Kieran Brennan Senior Vice President sell | $378k 46,675 shares | -10% | - | |
| 75Notable | Darryll E Dewan President and CEO sell | $1.5M 201,913 shares | -30% | - | |
| 64Notable | Karl Todd Marrott Chief Operating Officer sell | $606k 79,778 shares | -48% | - | |
| 58Moderate | Darryll E Dewan President and CEO sell | $510k 67,962 shares | -9% | - | |
| 43Moderate | Kieran Brennan Senior Vice President sell | $258k 32,720 shares | -7% | - | |
| 56Moderate | Karl Todd Marrott Chief Operating Officer sell | $376k 46,222 shares | -22% | - |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Sep 10, 2025 | KARL TODD MARROTT Officer | 11,100 0.04% of outstanding | $179k | Sep 10, 2025 | $434k |
| Aug 28, 2025 | KARL TODD MARROTT Officer | 23,908 0.09% of outstanding | $386k | Aug 28, 2025 | $47k |
| Aug 27, 2025 | CHISM DANIEL M Officer | 30,000 0.10% of outstanding | $480k | Aug 27, 2025 | none |
| Aug 27, 2025 | KARL TODD MARROTT Officer | 2,917 0.01% of outstanding | $47k | Aug 27, 2025 | none |
| Jun 10, 2025 | Brennan Kieran Officer | 5,025 0.02% of outstanding | $105k | Jun 10, 2025 | $554k |
| May 20, 2025 | Brennan Kieran Officer | 40,000 0.16% of outstanding | $618k | May 20, 2025 | none |
| Dec 12, 2024 | Woodward, Peter H. (TSSI) Director | 250,000 1.11% of outstanding | $2.3M | Dec 12, 2024 | none |
| Dec 3, 2024 | Brennan Kieran Officer | 72,925 0.32% of outstanding | $788k | Dec 3, 2024 | $1.3M |
| Dec 3, 2024 | Oliver James Mulford III Officer | 55,772 0.25% of outstanding | $614k | Dec 13, 2024 | none |
| Nov 25, 2024 | Dewan, Darryll E. (TSSI) Officer | 235,414 1.05% of outstanding | $1.7M | Nov 26, 2024 | none |
| Nov 20, 2024 | Dewan, Darryll E. (TSSI) Officer | 232,875 1.04% of outstanding | $1.9M | Nov 20, 2024 | none |
| Nov 19, 2024 | Marrott, Karl Todd Officer | 122,000 0.54% of outstanding | $1.1M | Nov 19, 2024 | $287k |
Transactions
The newest 50 of 90 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 7, 2026 | Daniel M Chism Chief Financial Officer | FTax withholding Common Stock | -15,317 | $13.38 | $205k | 322,898 | 7 d ago |
| Jun 1, 2026 | Kieran Brennan Senior Vice President | SOpen-market sale Common Stock | -10,000 | $16.00 | $160k | 271,333 | Jun 2, 2026 |
| May 6, 2026 | Darryll E Dewan Chief Executive Officer | SOpen-market sale Common Stock10b5-1 | -50,000 | $17.00 | $850k | 454,471 | May 8, 2026 |
| Apr 22, 2026 | Darryll E Dewan Chief Executive Officer | SOpen-market sale Common Stock10b5-1 | -50,000 | $16.00 | $800k | 504,471 | Apr 24, 2026 |
| Apr 14, 2026 | Daniel M Chism Chief Financial Officer | SOpen-market sale Common Stock10b5-1 | -25,000 | $15.00 | $375k | 338,215 | Apr 16, 2026 |
| Apr 14, 2026 | Darryll E Dewan Chief Executive Officer | SOpen-market sale Common Stock10b5-1 | -50,000 | $15.00 | $750k | 554,471 | Apr 16, 2026 |
| Mar 23, 2026 | Daniel M Chism Chief Financial Officer | AGrant or award Common Stock | +5,000 | $0.00 | $0 | 363,824 | Mar 25, 2026 |
| Mar 23, 2026 | Darryll E Dewan Chief Executive Officer | AGrant or award Common Stock | +5,000 | $0.00 | $0 | 604,471 | Mar 25, 2026 |
| Mar 23, 2026 | Karl Todd Marrott Chief Operating Officer | AGrant or award Common Stock | +5,000 | $0.00 | $0 | 291,545 | Mar 25, 2026 |
| Mar 23, 2026 | Kieran Brennan Senior Vice President | AGrant or award Common Stock | +2,500 | $0.00 | $0 | 281,637 | Mar 25, 2026 |
| Mar 23, 2026 | Kieran Brennan Senior Vice President | FTax withholding Common Stock | +304 | $12.40 | $3,770 | 281,333 | Mar 25, 2026 |
| Mar 23, 2026 | Daniel M Chism Chief Financial Officer | FTax withholding Common Stock | -609 | $12.40 | $7,552 | 363,215 | Mar 25, 2026 |
| Mar 23, 2026 | Karl Todd Marrott Chief Operating Officer | FTax withholding Common Stock | -609 | $12.40 | $7,552 | 290,936 | Mar 25, 2026 |
| Mar 16, 2026 | Kieran Brennan Senior Vice President | SOpen-market sale Common Stock | -12,000 | $12.27 | $147k | 279,137 | Mar 17, 2026 |
| Feb 24, 2026 | Karl Todd Marrott Chief Operating Officer | FTax withholding Common Stock | -8,117 | $8.45 | $69k | 286,545 | Feb 25, 2026 |
| Feb 24, 2026 | Kieran Brennan Senior Vice President | FTax withholding Common Stock | -9,019 | $8.45 | $76k | 291,137 | Feb 25, 2026 |
| Jan 29, 2026 | Darryll E Dewan Chief Executive Officer | FTax withholding Common Stock | -25,960 | $11.20 | $291k | 599,471 | Feb 2, 2026 |
| Jan 16, 2026 | Daniel M Chism Chief Financial Officer | FTax withholding Common Stock | -12,175 | $12.05 | $147k | 358,824 | Jan 20, 2026 |
| Jan 16, 2026 | Darryll E Dewan Chief Executive Officer | FTax withholding Common Stock | -26,903 | $12.05 | $324k | 625,431 | Jan 20, 2026 |
| Jan 16, 2026 | Karl Todd Marrott Chief Operating Officer | FTax withholding Common Stock | -12,175 | $12.05 | $147k | 294,662 | Jan 20, 2026 |
| Jan 14, 2026 | Kieran Brennan Senior Vice President | AGrant or award Common Stock | +12,181 | $0.00 | $0 | 300,156 | Jan 16, 2026 |
| Jan 14, 2026 | Daniel M Chism Chief Financial Officer | AGrant or award Common Stock | +33,113 | $0.00 | $0 | 370,999 | Jan 16, 2026 |
| Jan 14, 2026 | Darryll E Dewan Chief Executive Officer | AGrant or award Common Stock | +37,843 | $0.00 | $0 | 652,334 | Jan 16, 2026 |
| Jan 14, 2026 | Michael John Fahy director | AGrant or award Common Stock | +3,784 | $0.00 | $0 | 8,784 | Jan 16, 2026 |
| Jan 14, 2026 | Karl Todd Marrott Chief Operating Officer | AGrant or award Common Stock | +29,801 | $0.00 | $0 | 306,837 | Jan 16, 2026 |
| Jan 14, 2026 | Vivek Mohindra director | AGrant or award Common Stock | +3,784 | $0.00 | $0 | 3,784 | Jan 16, 2026 |
| Jan 14, 2026 | Richard M. Metzler director | AGrant or award Common Stock | +3,784 | $0.00 | $0 | 153,784 | Jan 16, 2026 |
| Jan 14, 2026 | Peter H Woodward director | AGrant or award Common Stock | +3,784 | $0.00 | $0 | 19,358 | Jan 16, 2026 |
| Jan 8, 2026 | Daniel M Chism Chief Financial Officer | MOption exercise Common Stock | +41,667 | $1.72 | $72k | 337,886 | Jan 12, 2026 |
| Jan 8, 2026 | Daniel M Chism Chief Financial Officer | MOption exercise Employee Stock Optionderivative | -41,667 | $0.00 | $0 | 83,333 | Jan 12, 2026 |
| Jan 1, 2026 | Karl Todd Marrott Chief Operating Officer | FTax withholding Common Stock | -13,539 | $7.07 | $96k | 277,036 | Jan 5, 2026 |
| Jan 1, 2026 | Darryll E Dewan Chief Executive Officer | FTax withholding Common Stock | -13,539 | $7.07 | $96k | 614,491 | Jan 5, 2026 |
| Dec 9, 2025 | Peter H Woodward director | SOpen-market sale Common Stockindirect: Shares held through MHW Capital Management LLC | -30,000 | $8.82 | $265k | 21,700 | Dec 11, 2025 |
| Dec 11, 2025 | Peter H Woodward director | SOpen-market sale Common Stockindirect: Shares held through MHW Capital Management LLC | -21,700 | $8.30 | $180k | 0 | Dec 11, 2025 |
| Dec 3, 2025 | Karl Todd Marrott Chief Operating Officer | GGift Common Stock | -5,000 | $0.00 | $0 | 290,575 | Dec 5, 2025 |
| Nov 18, 2025 | Michael John Fahy director | POpen-market purchase Common Stockindirect: By Spouse | +5,000 | $8.00 | $40k | 5,000 | Nov 19, 2025 |
| Nov 11, 2025 | Vivek Mohindra director | AGrant or award Employee Stock Optionderivative | +6,000 | $0.00 | $0 | 6,000 | Nov 13, 2025 |
| Sep 10, 2025 | Daniel M Chism Chief Financial Officer | SOpen-market sale Common Stock | -15,000 | $16.17 | $243k | 296,219 | Sep 12, 2025 |
| Sep 10, 2025 | Karl Todd Marrott Chief Operating Officer | SOpen-market sale Common Stock | -11,100 | $16.17 | $179k | 295,575 | Sep 12, 2025 |
| Aug 27, 2025 | Daniel M Chism Chief Financial Officer | SOpen-market sale Common Stock | -10,000 | $16.25 | $163k | 316,219 | Aug 29, 2025 |
| Aug 27, 2025 | Karl Todd Marrott Chief Operating Officer | SOpen-market sale Common Stock | -2,917 | $16.23 | $47k | 330,583 | Aug 29, 2025 |
| Aug 28, 2025 | Daniel M Chism Chief Financial Officer | SOpen-market sale Common Stock | -5,000 | $16.20 | $81k | 311,219 | Aug 29, 2025 |
| Aug 28, 2025 | Karl Todd Marrott Chief Operating Officer | SOpen-market sale Common Stock | -23,908 | $16.16 | $386k | 306,675 | Aug 29, 2025 |
| Jun 10, 2025 | Kieran Brennan Senior Vice President | SOpen-market sale Common Stock | -5,025 | $21.10 | $106k | 287,975 | Jun 11, 2025 |
| Jun 7, 2025 | Daniel M Chism Chief Financial Officer | FTax withholding Common Stock | -20,755 | $19.84 | $412k | 326,219 | Jun 10, 2025 |
| Jun 3, 2025 | Kieran Brennan Senior Vice President | SOpen-market sale Common Stock | -5,000 | $15.00 | $75k | 293,000 | Jun 5, 2025 |
| May 30, 2025 | Kieran Brennan Senior Vice President | SOpen-market sale Common Stock | -15,000 | $13.89 | $208k | 303,000 | Jun 3, 2025 |
| Jun 1, 2025 | Kieran Brennan Senior Vice President | SOpen-market sale Common Stock | -5,000 | $14.50 | $73k | 298,000 | Jun 3, 2025 |
| May 28, 2025 | Kieran Brennan Senior Vice President | SOpen-market sale Common Stock | -5,000 | $13.50 | $68k | 318,000 | May 30, 2025 |
| May 23, 2025 | Kieran Brennan Senior Vice President | SOpen-market sale Common Stock | -10,000 | $13.07 | $131k | 323,000 | May 28, 2025 |
50 of 90 rows shown.
Insiders
Everyone who has filed a Form 4 here.
- Kieran BrennanSenior Vice President
- Daniel M ChismChief Financial Officer
- Darryll E DewanChief Executive Officer
- Michael John Fahydirector
- Karl Todd MarrottChief Operating Officer
- Vivek Mohindradirector
- Richard M. Metzlerdirector
- James Mulford Oliver IIICRO
- Peter H Woodwarddirector, owner
Questions about TSSI
Answered from the filings on this page, as of the latest one.
Are insiders buying TSSI?
No. In the last 90 days no insider at TSS, Inc. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade TSSI on the open market?
Kieran Brennan (Senior Vice President) sold $160k of TSSI on Jun 1, 2026 and filed the Form 4 on Jun 2, 2026. InsiderTell scored 26 (weak).
How many insiders file Form 4 at TSS, Inc.?
9 people have filed a Form 4 at TSS, Inc., among them Kieran Brennan (Senior Vice President), Daniel M Chism (Chief Financial Officer), Darryll E Dewan (Chief Executive Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.