| 15 Nov 2023 | SALE | COMMUNICATIONS SYSTEMS INC | 9,616 | 0.65 USD | |
| 16 Nov 2023 | SALE | COMMUNICATIONS SYSTEMS INC | 4,630 | 0.62 USD | |
| 17 Nov 2023 | SALE | COMMUNICATIONS SYSTEMS INC | 4,600 | 0.62 USD | |
| 20 Nov 2023 | SALE | COMMUNICATIONS SYSTEMS INC | 2,488 | 0.61 USD | |
| 14 Nov 2023 | SALE | COMMUNICATIONS SYSTEMS INC | 2,600 | 0.68 USD | |
| 03 Nov 2023 | OTHER | COMMUNICATIONS SYSTEMS INC | 301,587 | 0.00 USD | |
| 13 Sept 2023 | SALE | COMMUNICATIONS SYSTEMS INC | 22,100 | 1.01 USD | |
| 12 Sept 2023 | SALE | COMMUNICATIONS SYSTEMS INC | 2,900 | 1.04 USD | |
| 21 Aug 2023 | SALE | COMMUNICATIONS SYSTEMS INC | 50,000 | 1.05 USD | |
| 14 Aug 2023 | SALE | COMMUNICATIONS SYSTEMS INC | 50,000 | 1.12 USD | |
| 15 Jun 2023 | SALE | COMMUNICATIONS SYSTEMS INC | 5,310 | 1.40 USD | |
| 14 Jun 2023 | SALE | COMMUNICATIONS SYSTEMS INC | 5,306 | 1.42 USD | |
| 13 Jun 2023 | SALE | COMMUNICATIONS SYSTEMS INC | 11,016 | 1.46 USD | |
| 12 Jun 2023 | SALE | COMMUNICATIONS SYSTEMS INC | 16,867 | 1.45 USD | |
| 14 Dec 2022 | SALE | COMMUNICATIONS SYSTEMS INC | 44,650 | 1.85 USD | |
| 15 Dec 2022 | SALE | COMMUNICATIONS SYSTEMS INC | 65,969 | 1.69 USD | |
| 28 Sept 2022 | OTHER | COMMUNICATIONS SYSTEMS INC | 1,008,005 | 0.00 USD | |
| 28 Mar 2022 | GRANT_AWARD | COMMUNICATIONS SYSTEMS INC | 2,733,062 | — | |
| 28 Mar 2022 | GRANT_AWARD | COMMUNICATIONS SYSTEMS INC | 12,500 | — | |