| 2020-05-13 | Argo Group International Holdings, Inc. | A | +689 sh | — | — | 20,198 |
| 2020-05-07 | Argo Group International Holdings, Inc. | M | +7,652 sh | $29.52 | +$226K | 26,863 |
| 2020-05-07 | Argo Group International Holdings, Inc. | F | −7,354 sh | $31.77 | −$234K | 19,509 |
| 2020-05-07 | Argo Group International Holdings, Inc. | M | −7,652 sh | — | — | 0 |
| 2020-04-16 | Argo Group International Holdings, Inc. | A | +2,116 sh | — | — | 19,211 |
| 2019-06-10 | Argo Group International Holdings, Inc. | S | ▼−1,210 sh | $73.10 | ▼−$88.5K | 17,095 |
| 2019-05-24 | Argo Group International Holdings, Inc. | A | +974 sh | — | — | 18,305 |
| 2018-11-09 | Argo Group International Holdings, Inc. | M | +7,652 sh | $19.04 | +$146K | 19,520 |
| 2018-11-09 | Argo Group International Holdings, Inc. | D | −2,186 sh | $66.69 | −$146K | 17,334 |
| 2018-11-09 | Argo Group International Holdings, Inc. | M | −7,652 sh | — | — | 0 |
| 2018-05-25 | Argo Group International Holdings, Inc. | S | ▼−795 sh | $61.45 | ▼−$48.9K | 11,868 |
| 2018-05-04 | Argo Group International Holdings, Inc. | A | +1,189 sh | — | — | 12,663 |
| 2017-12-01 | Argo Group International Holdings, Inc. | M | +6,655 sh | $23.11 | +$154K | 12,501 |
| 2017-12-01 | Argo Group International Holdings, Inc. | D | −2,523 sh | $61.00 | −$154K | 9,978 |
| 2017-12-01 | Argo Group International Holdings, Inc. | M | −6,655 sh | — | — | 0 |
| 2017-12-01 | Argo Group International Holdings, Inc. | M | +7,215 sh | — | — | 17,193 |
| 2017-12-01 | Argo Group International Holdings, Inc. | D | −7,215 sh | $61.00 | −$440K | 9,978 |
| 2017-12-01 | Argo Group International Holdings, Inc. | M | −7,215 sh | — | — | 0 |
| 2017-11-07 | Argo Group International Holdings, Inc. | A | +32 sh | — | — | 7,216 |
| 2017-08-08 | Argo Group International Holdings, Inc. | A | +32 sh | — | — | 7,184 |
| 2017-06-01 | Argo Group International Holdings, Inc. | A | +1,120 sh | — | — | 5,846 |
| 2017-06-01 | Argo Group International Holdings, Inc. | A | +30 sh | — | — | 7,152 |
| 2017-02-21 | Argo Group International Holdings, Inc. | A | +28 sh | — | — | 7,122 |
| 2016-11-15 | Argo Group International Holdings, Inc. | A | +23 sh | — | — | 7,094 |
| 2016-08-02 | Argo Group International Holdings, Inc. | A | +30 sh | — | — | 7,071 |
| 2016-05-03 | Argo Group International Holdings, Inc. | A | +1,186 sh | — | — | 4,297 |
| 2016-05-03 | Argo Group International Holdings, Inc. | A | +23 sh | — | — | 6,401 |
| 2016-02-16 | Argo Group International Holdings, Inc. | A | +26 sh | — | — | 6,378 |
| 2015-11-10 | Argo Group International Holdings, Inc. | A | +19 sh | — | — | 6,352 |
| 2015-08-04 | Argo Group International Holdings, Inc. | A | +22 sh | — | — | 6,332 |
| 2015-05-05 | Argo Group International Holdings, Inc. | A | +1,398 sh | — | — | 3,111 |
| 2015-05-05 | Argo Group International Holdings, Inc. | A | +25 sh | — | — | 6,310 |
| 2015-02-17 | Argo Group International Holdings, Inc. | A | +23 sh | — | — | 6,285 |
| 2014-11-04 | Argo Group International Holdings, Inc. | A | +18 sh | — | — | 5,693 |
| 2014-08-05 | Argo Group International Holdings, Inc. | A | +19 sh | — | — | 5,675 |
| 2014-02-18 | Argo Group International Holdings, Inc. | A | +18 sh | — | — | 5,634 |
| 2013-11-05 | Argo Group International Holdings, Inc. | A | +249 sh | — | — | 5,616 |
| 2013-11-04 | Argo Group International Holdings, Inc. | A | +19 sh | — | — | 5,367 |
| 2013-08-06 | Argo Group International Holdings, Inc. | A | +239 sh | — | — | 5,348 |
| 2013-05-07 | Argo Group International Holdings, Inc. | A | +249 sh | — | — | 4,661 |
| 2013-05-07 | Argo Group International Holdings, Inc. | A | +5,000 sh | — | — | 5,000 |
| 2013-02-15 | Argo Group International Holdings, Inc. | A | +289 sh | — | — | 4,409 |
| 2012-11-06 | Argo Group International Holdings, Inc. | A | +323 sh | — | — | 4,066 |
| 2012-08-07 | Argo Group International Holdings, Inc. | A | +342 sh | — | — | 3,743 |
| 2012-05-08 | Argo Group International Holdings, Inc. | A | +364 sh | — | — | 3,401 |
| 2012-05-08 | Argo Group International Holdings, Inc. | A | +5,000 sh | — | — | 5,000 |
| 2012-02-14 | Argo Group International Holdings, Inc. | A | +344 sh | — | — | 3,037 |
| 2011-11-08 | Argo Group International Holdings, Inc. | A | +343 sh | — | — | 2,693 |
| 2011-08-05 | Argo Group International Holdings, Inc. | A | +360 sh | — | — | 2,350 |
| 2011-05-03 | Argo Group International Holdings, Inc. | A | +1,990 sh | — | — | 1,990 |