| 2022-03-27 | Argo Group International Holdings, Inc. | F | −458 sh | $40.66 | −$18.6K | 66,955 |
| 2022-03-16 | Argo Group International Holdings, Inc. | F | −2,185 sh | $41.82 | −$91.4K | 67,413 |
| 2022-03-15 | Argo Group International Holdings, Inc. | A | +36.6K sh | $41.00 | +$1.5M | 71,474 |
| 2022-03-15 | Argo Group International Holdings, Inc. | F | −1,876 sh | $41.00 | −$76.9K | 69,598 |
| 2021-03-29 | Argo Group International Holdings, Inc. | F | −882 sh | $49.69 | −$43.8K | 34,307 |
| 2021-03-27 | Argo Group International Holdings, Inc. | F | −445 sh | $50.79 | −$22.6K | 35,189 |
| 2021-03-16 | Argo Group International Holdings, Inc. | F | −2,123 sh | $54.60 | −$116K | 26,144 |
| 2021-03-15 | Argo Group International Holdings, Inc. | A | +9,125 sh | — | — | 29,078 |
| 2021-03-15 | Argo Group International Holdings, Inc. | F | −811 sh | $54.79 | −$44.4K | 28,267 |
| 2020-08-14 | Argo Group International Holdings, Inc. | P | ▲+32K sh | $36.98 | ▲+$1.18M | 32,000 |
| 2020-08-14 | Argo Group International Holdings, Inc. | P | ▲+32K sh | $36.98 | ▲+$1.18M | 32,000 |
| 2020-08-13 | Argo Group International Holdings, Inc. | S | ▼−30.8K sh | $36.12 | ▼−$1.11M | 19,953 |
| 2020-08-13 | Argo Group International Holdings, Inc. | S | ▼−30.8K sh | $36.12 | ▼−$1.11M | 29,443 |
| 2020-03-29 | Argo Group International Holdings, Inc. | F | −783 sh | $34.86 | −$27.3K | 60,478 |
| 2020-03-27 | Argo Group International Holdings, Inc. | F | −395 sh | $34.86 | −$13.8K | 61,261 |
| 2020-03-16 | Argo Group International Holdings, Inc. | A | +19.2K sh | — | — | 61,656 |
| 2020-03-15 | Argo Group International Holdings, Inc. | F | −721 sh | $35.80 | −$25.8K | 42,491 |
| 2020-03-10 | Argo Group International Holdings, Inc. | F | −1,259 sh | $43.83 | −$55.2K | 43,212 |
| 2020-02-17 | Argo Group International Holdings, Inc. | A | +3,662 sh | — | — | 44,471 |
| 2019-05-28 | Argo Group International Holdings, Inc. | M | +13.7K sh | $37.85 | +$520K | 56,534 |
| 2019-05-28 | Argo Group International Holdings, Inc. | F | −7,297 sh | $71.27 | −$520K | 49,237 |
| 2019-05-28 | Argo Group International Holdings, Inc. | S | ▼−6,442 sh | $71.08 | ▼−$458K | 42,795 |
| 2019-05-28 | Argo Group International Holdings, Inc. | M | −13.7K sh | — | — | 0 |
| 2019-05-05 | Argo Group International Holdings, Inc. | F | −6,944 sh | $76.69 | −$533K | 42,795 |
| 2019-03-29 | Argo Group International Holdings, Inc. | F | −783 sh | $70.66 | −$55.3K | 49,391 |
| 2019-03-27 | Argo Group International Holdings, Inc. | F | −395 sh | $71.75 | −$28.3K | 50,174 |
| 2019-03-15 | Argo Group International Holdings, Inc. | A | +7,676 sh | — | — | 50,569 |
| 2019-03-15 | Argo Group International Holdings, Inc. | A | +5,669 sh | — | — | 48,562 |
| 2019-03-10 | Argo Group International Holdings, Inc. | F | −1,259 sh | $69.07 | −$87K | 42,893 |
| 2018-08-14 | Argo Group International Holdings, Inc. | S | ▼−4,850 sh | $61.63 | ▼−$299K | 44,106 |
| 2018-08-13 | Argo Group International Holdings, Inc. | S | ▼−6,000 sh | $61.22 | ▼−$367K | 48,956 |
| 2018-08-10 | Argo Group International Holdings, Inc. | S | ▼−6,000 sh | $61.07 | ▼−$366K | 54,956 |
| 2018-05-16 | Argo Group International Holdings, Inc. | M | +16.5K sh | $31.92 | +$528K | 76,823 |
| 2018-05-16 | Argo Group International Holdings, Inc. | M | +13.7K sh | $37.85 | +$520K | 90,562 |
| 2018-05-16 | Argo Group International Holdings, Inc. | F | −21.6K sh | $61.10 | −$1.32M | 68,956 |
| 2018-05-16 | Argo Group International Holdings, Inc. | S | ▼−8,000 sh | $61.00 | ▼−$488K | 60,956 |
| 2018-05-16 | Argo Group International Holdings, Inc. | M | −16.5K sh | — | — | 0 |
| 2018-05-16 | Argo Group International Holdings, Inc. | M | −13.7K sh | — | — | 13,739 |
| 2018-05-04 | Argo Group International Holdings, Inc. | M | +17.6K sh | — | — | 60,284 |
| 2018-05-04 | Argo Group International Holdings, Inc. | M | −17.6K sh | — | — | 0 |
| 2018-03-27 | Argo Group International Holdings, Inc. | A | +2,007 sh | — | — | 42,248 |
| 2018-03-19 | Argo Group International Holdings, Inc. | A | +5,459 sh | — | — | 40,241 |
| 2018-03-12 | Argo Group International Holdings, Inc. | F | −1,259 sh | $55.20 | −$69.5K | 29,534 |
| 2017-11-14 | Argo Group International Holdings, Inc. | S | ▼−2,500 sh | $59.74 | ▼−$149K | 30,793 |
| 2017-06-12 | Argo Group International Holdings, Inc. | S | ▼−3,500 sh | $61.00 | ▼−$214K | 33,193 |
| 2017-03-29 | Argo Group International Holdings, Inc. | A | +1,458 sh | — | — | 36,439 |
| 2017-03-29 | Argo Group International Holdings, Inc. | A | +1,712 sh | — | — | 36,693 |
| 2017-03-15 | Argo Group International Holdings, Inc. | M | +14.1K sh | $30.12 | +$425K | 42,785 |
| 2017-03-15 | Argo Group International Holdings, Inc. | M | +14.4K sh | $36.71 | +$528K | 57,169 |
| 2017-03-15 | Argo Group International Holdings, Inc. | M | +11.9K sh | $43.53 | +$520K | 69,117 |