| 2021-03-12 | Argo Group International Holdings, Inc. | F | −26.8K sh | $51.31 | −$1.38M | 125,975 |
| 2021-03-12 | Argo Group International Holdings, Inc. | M | −37.6K sh | — | — | 0 |
| 2021-03-12 | Argo Group International Holdings, Inc. | M | +37.6K sh | $31.92 | +$1.2M | 152,798 |
| 2020-03-29 | Argo Group International Holdings, Inc. | F | −695 sh | $34.86 | −$24.2K | 115,237 |
| 2020-03-27 | Argo Group International Holdings, Inc. | F | −369 sh | $34.86 | −$12.9K | 115,932 |
| 2020-03-16 | Argo Group International Holdings, Inc. | A | +4,599 sh | — | — | 116,301 |
| 2020-03-15 | Argo Group International Holdings, Inc. | F | −303 sh | $35.80 | −$10.8K | 111,702 |
| 2020-03-13 | Argo Group International Holdings, Inc. | M | +3,359 sh | $26.19 | +$88K | 114,817 |
| 2020-03-13 | Argo Group International Holdings, Inc. | M | −3,359 sh | — | — | 0 |
| 2020-03-13 | Argo Group International Holdings, Inc. | F | −2,812 sh | $35.80 | −$101K | 112,005 |
| 2020-03-10 | Argo Group International Holdings, Inc. | F | −1,034 sh | $43.83 | −$45.3K | 111,458 |
| 2020-02-17 | Argo Group International Holdings, Inc. | A | +1,538 sh | — | — | 112,492 |
| 2019-08-13 | Argo Group International Holdings, Inc. | S | ▼−2,769 sh | $69.14 | ▼−$191K | 112,704 |
| 2019-08-13 | Argo Group International Holdings, Inc. | M | +23.6K sh | $26.19 | +$619K | 136,327 |
| 2019-08-13 | Argo Group International Holdings, Inc. | S | ▼−11.9K sh | $68.62 | ▼−$813K | 115,473 |
| 2019-08-13 | Argo Group International Holdings, Inc. | M | −23.6K sh | — | — | 3,359 |
| 2019-08-13 | Argo Group International Holdings, Inc. | F | −9,000 sh | $68.75 | −$619K | 127,327 |
| 2019-05-05 | Argo Group International Holdings, Inc. | F | −6,944 sh | $76.69 | −$533K | 112,599 |
| 2019-03-29 | Argo Group International Holdings, Inc. | F | −695 sh | $70.66 | −$49.1K | 119,420 |
| 2019-03-27 | Argo Group International Holdings, Inc. | F | −369 sh | $71.75 | −$26.5K | 120,115 |
| 2019-03-15 | Argo Group International Holdings, Inc. | A | +3,412 sh | — | — | 118,611 |
| 2019-03-15 | Argo Group International Holdings, Inc. | A | +5,285 sh | — | — | 120,484 |
| 2019-03-10 | Argo Group International Holdings, Inc. | F | −1,046 sh | $69.07 | −$72.2K | 115,199 |
| 2019-02-25 | Argo Group International Holdings, Inc. | F | −527 sh | $70.37 | −$37.1K | 116,245 |
| 2018-12-11 | Argo Group International Holdings, Inc. | M | +10K sh | $26.19 | +$262K | 126,752 |
| 2018-12-11 | Argo Group International Holdings, Inc. | S | ▼−6,207 sh | $69.09 | ▼−$429K | 116,752 |
| 2018-12-11 | Argo Group International Holdings, Inc. | M | −10K sh | — | — | 26,982 |
| 2018-12-11 | Argo Group International Holdings, Inc. | F | −3,793 sh | $69.06 | −$262K | 122,959 |
| 2018-09-07 | Argo Group International Holdings, Inc. | M | −6,892 sh | — | — | 0 |
| 2018-09-07 | Argo Group International Holdings, Inc. | M | +6,892 sh | $19.36 | +$133K | 123,504 |
| 2018-09-07 | Argo Group International Holdings, Inc. | F | −2,121 sh | $62.95 | −$134K | 121,383 |
| 2018-09-07 | Argo Group International Holdings, Inc. | S | ▼−4,771 sh | $63.28 | ▼−$302K | 116,612 |
| 2018-09-06 | Argo Group International Holdings, Inc. | M | −2,978 sh | — | — | 6,892 |
| 2018-09-06 | Argo Group International Holdings, Inc. | F | −912 sh | $63.51 | −$57.9K | 118,678 |
| 2018-09-06 | Argo Group International Holdings, Inc. | M | +2,978 sh | $19.36 | +$57.7K | 119,590 |
| 2018-09-06 | Argo Group International Holdings, Inc. | S | ▼−2,066 sh | $63.51 | ▼−$131K | 116,612 |
| 2018-09-05 | Argo Group International Holdings, Inc. | M | −7,882 sh | — | — | 9,870 |
| 2018-09-05 | Argo Group International Holdings, Inc. | S | ▼−5,486 sh | $63.52 | ▼−$348K | 116,612 |
| 2018-09-05 | Argo Group International Holdings, Inc. | F | −2,396 sh | $63.52 | −$152K | 122,098 |
| 2018-09-05 | Argo Group International Holdings, Inc. | M | +7,882 sh | $19.36 | +$153K | 124,494 |
| 2018-05-22 | Argo Group International Holdings, Inc. | M | −20K sh | — | — | 17,751 |
| 2018-05-22 | Argo Group International Holdings, Inc. | S | ▼−13.8K sh | $62.20 | ▼−$858K | 116,486 |
| 2018-05-22 | Argo Group International Holdings, Inc. | F | −6,206 sh | $62.40 | −$387K | 130,280 |
| 2018-05-22 | Argo Group International Holdings, Inc. | M | +20K sh | $19.36 | +$387K | 136,486 |
| 2018-05-04 | Argo Group International Holdings, Inc. | M | −17.6K sh | — | — | 0 |
| 2018-05-04 | Argo Group International Holdings, Inc. | M | +17.6K sh | — | — | 116,486 |
| 2018-03-27 | Argo Group International Holdings, Inc. | A | +1,873 sh | — | — | 98,683 |
| 2018-03-19 | Argo Group International Holdings, Inc. | A | +4,538 sh | — | — | 96,810 |
| 2018-03-14 | Argo Group International Holdings, Inc. | F | −761 sh | $56.65 | −$43.1K | 79,645 |
| 2018-03-12 | Argo Group International Holdings, Inc. | M | +20K sh | $19.36 | +$387K | 100,406 |