| 2020-05-13 | Argo Group International Holdings, Inc. | A | +689 sh | — | — | 22,215 |
| 2020-05-07 | Argo Group International Holdings, Inc. | M | +7,652 sh | $29.52 | +$226K | 28,637 |
| 2020-05-07 | Argo Group International Holdings, Inc. | F | −7,111 sh | $31.77 | −$226K | 21,526 |
| 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 | — | — | 20,985 |
| 2019-05-24 | Argo Group International Holdings, Inc. | A | +974 sh | — | — | 18,869 |
| 2018-08-24 | Argo Group International Holdings, Inc. | M | +7,652 sh | $19.04 | +$146K | 20,177 |
| 2018-08-24 | Argo Group International Holdings, Inc. | D | −2,279 sh | $63.95 | −$146K | 17,898 |
| 2018-08-24 | Argo Group International Holdings, Inc. | M | −7,652 sh | — | — | 0 |
| 2018-05-04 | Argo Group International Holdings, Inc. | A | +1,189 sh | — | — | 12,525 |
| 2017-12-01 | Argo Group International Holdings, Inc. | M | +2,447 sh | — | — | 12,305 |
| 2017-12-01 | Argo Group International Holdings, Inc. | D | −2,447 sh | $61.00 | −$149K | 9,858 |
| 2017-12-01 | Argo Group International Holdings, Inc. | M | −2,447 sh | — | — | 0 |
| 2017-11-17 | Argo Group International Holdings, Inc. | M | +6,655 sh | $23.11 | +$154K | 12,501 |
| 2017-11-17 | Argo Group International Holdings, Inc. | D | −2,643 sh | $58.23 | −$154K | 9,858 |
| 2017-11-17 | Argo Group International Holdings, Inc. | M | −6,655 sh | — | — | 0 |
| 2017-11-07 | Argo Group International Holdings, Inc. | A | +10 sh | — | — | 2,446 |
| 2017-08-08 | Argo Group International Holdings, Inc. | A | +11 sh | — | — | 2,436 |
| 2017-06-01 | Argo Group International Holdings, Inc. | A | +1,120 sh | — | — | 5,846 |
| 2017-06-01 | Argo Group International Holdings, Inc. | A | +10 sh | — | — | 2,425 |
| 2017-02-21 | Argo Group International Holdings, Inc. | A | +10 sh | — | — | 2,416 |
| 2016-11-15 | Argo Group International Holdings, Inc. | A | +8 sh | — | — | 2,406 |
| 2016-09-14 | Argo Group International Holdings, Inc. | M | +6,655 sh | $23.90 | +$159K | 11,381 |
| 2016-09-14 | Argo Group International Holdings, Inc. | D | −2,845 sh | $55.93 | −$159K | 8,536 |
| 2016-09-14 | Argo Group International Holdings, Inc. | S | ▼−3,810 sh | $55.91 | ▼−$213K | 4,726 |
| 2016-09-14 | Argo Group International Holdings, Inc. | M | −6,655 sh | — | — | 0 |
| 2016-08-02 | Argo Group International Holdings, Inc. | A | +10 sh | — | — | 2,398 |
| 2016-05-03 | Argo Group International Holdings, Inc. | A | +1,186 sh | — | — | 4,297 |
| 2016-05-03 | Argo Group International Holdings, Inc. | A | +8 sh | — | — | 2,171 |
| 2016-02-16 | Argo Group International Holdings, Inc. | A | +8 sh | — | — | 2,163 |
| 2015-11-10 | Argo Group International Holdings, Inc. | A | +6 sh | — | — | 2,155 |
| 2015-08-04 | Argo Group International Holdings, Inc. | A | +7 sh | — | — | 2,150 |
| 2015-05-05 | Argo Group International Holdings, Inc. | A | +1,398 sh | — | — | 3,111 |
| 2015-05-05 | Argo Group International Holdings, Inc. | A | +8 sh | — | — | 2,143 |
| 2015-02-17 | Argo Group International Holdings, Inc. | A | +8 sh | — | — | 2,135 |
| 2014-11-04 | Argo Group International Holdings, Inc. | A | +6 sh | — | — | 1,934 |
| 2014-08-05 | Argo Group International Holdings, Inc. | A | +6 sh | — | — | 1,928 |
| 2014-02-18 | Argo Group International Holdings, Inc. | A | +6 sh | — | — | 1,915 |
| 2013-11-04 | Argo Group International Holdings, Inc. | A | +6 sh | — | — | 1,909 |
| 2013-08-06 | Argo Group International Holdings, Inc. | A | +6 sh | — | — | 1,903 |
| 2013-05-07 | Argo Group International Holdings, Inc. | A | +5 sh | — | — | 1,732 |
| 2013-05-07 | Argo Group International Holdings, Inc. | A | +5,000 sh | — | — | 5,000 |
| 2013-02-15 | Argo Group International Holdings, Inc. | A | +5 sh | — | — | 1,726 |
| 2012-11-06 | Argo Group International Holdings, Inc. | A | +6 sh | — | — | 1,721 |
| 2012-08-07 | Argo Group International Holdings, Inc. | A | +7 sh | — | — | 1,715 |
| 2012-05-08 | Argo Group International Holdings, Inc. | A | +7 sh | — | — | 1,708 |
| 2012-05-08 | Argo Group International Holdings, Inc. | A | +5,000 sh | — | — | 5,000 |
| 2012-02-14 | Argo Group International Holdings, Inc. | A | +7 sh | — | — | 1,701 |
| 2011-11-08 | Argo Group International Holdings, Inc. | A | +7 sh | — | — | 1,694 |
| 2011-08-05 | Argo Group International Holdings, Inc. | A | +7 sh | — | — | 1,687 |