Updated Jul 16, 2026 · Last SEC filing 2026-06-30
TSS, Inc. (TSSI) has filed 8 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-30. 2 Form 8-K material event filings were reported by TSSI in the last 90 days. 3 Form 144 notices of proposed sale were filed for TSSI stock. InsiderAlpha tracks every TSSI SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001320760 |
|---|
| Form 4 filings (90d) | 8 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Form 144 notices (90d) | 3 |
| Latest Form 4 filing | 2026-06-30 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| MARROTT KARL TODD | Chief Operating Officer | F — Tax withholding / forfeiture | 49.2K | $11.32 | $557K | SEC | |
| Brennan Kieran | Senior Vice President | S — Open-market sale | 12.0K | $12.27 | $147K | SEC | |
| Brennan Kieran | Senior Vice President | F — Tax withholding / forfeiture | 9.0K | $8.45 | $76K | SEC | |
| MARROTT KARL TODD | Chief Operating Officer | F — Tax withholding / forfeiture | 8.1K | $8.45 | $69K | SEC | |
| Dewan Darryll E | Chief Executive Officer | F — Tax withholding / forfeiture | 26.0K | $11.20 | $291K | SEC | |
| CHISM DANIEL M | Chief Financial Officer | F — Tax withholding / forfeiture | 12.2K | $12.05 | $147K | SEC | |
| MARROTT KARL TODD | Chief Operating Officer | F — Tax withholding / forfeiture | 12.2K | $12.05 | $147K | SEC | |
| Dewan Darryll E | Chief Executive Officer | F — Tax withholding / forfeiture | 26.9K | $12.05 | $324K | SEC | |
| Woodward Peter H | Insider | A — Grant or award | 3.8K | $0.00 | — | SEC | |
| FAHY MICHAEL JOHN | Insider | A — Grant or award | 3.8K | $0.00 | — | SEC | |
| MOHINDRA VIVEK | Insider | A — Grant or award | 3.8K | $0.00 | — | SEC | |
| CHISM DANIEL M | Chief Financial Officer | A — Grant or award | 33.1K | $0.00 | — | SEC | |
| Brennan Kieran | Senior Vice President | A — Grant or award | 12.2K | $0.00 | — | SEC | |
| Dewan Darryll E | Chief Executive Officer | A — Grant or award | 37.8K | $0.00 | — | SEC | |
| MARROTT KARL TODD | Chief Operating Officer | A — Grant or award | 29.8K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for TSS, Inc. (TSSI). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| MARROTT KARL TODD | 4 | $557K |
| Dewan Darryll E | 2 | — |
| Woodward Peter H | 1 | — |
| Brennan Kieran | 1 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in TSSI insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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