| 2007-01-03 | Sale | NiSource Inc. NI | director | 87,237 0.0812% | $24.30 | $2.12M | -12.09% | |
| 2006-11-15 | Sale | NiSource Inc. NI | director | 1,965 0.0018% | $23.96 | $47,081 | -1.55% | |
| 2006-09-13 | Sale | NiSource Inc. NI | director | 13,428.98 0.0125% | $21.18 | $284,426 | +12.74% | |
| 2006-08-29 | Sale | NiSource Inc. NI | director | 101,323 0.0947% | $21.11 | $2.14M | +13.17% | |
| 2006-08-28 | Sale | NiSource Inc. NI | director | 90,000 0.084% | $21.16 | $1.9M | +12.84% | |
| 2006-08-18 | Sale | NiSource Inc. NI | director | 44,735 0.0416% | $21.20 | $948,382 | +12.2% | |
| 2006-08-16 | Sale | NiSource Inc. NI | director | 44,677 0.0421% | $21.58 | $964,052 | +11.74% | |
| 2006-08-15 | Sale | NiSource Inc. NI | director | 61,399 0.0575% | $21.51 | $1.32M | +11.32% | |
| 2006-08-14 | Sale | NiSource Inc. NI | director | 32,700 0.0306% | $21.50 | $703,130 | +11.22% | |
| 2006-08-11 | Sale | NiSource Inc. NI | director | 5,658 0.0053% | $21.52 | $121,748 | +11.68% | |
| 2006-08-10 | Sale | NiSource Inc. NI | director | 54,000 0.0504% | $21.50 | $1.16M | +11.01% | |
| 2006-08-09 | Sale | NiSource Inc. NI | director | 76,243 0.0719% | $21.80 | $1.66M | +10.55% | |
| 2006-01-03 | Sale | NiSource Inc. NI | director | 263,172 0.2425% | $21.03 | $5.53M | +3.34% | |
| 2005-08-17 | Sale | NiSource Inc. NI | director | 32,998 0.0309% | $23.02 | $759,618 | -4.18% | |
| 2005-02-01 | Sale | NiSource Inc. NI | director | 4,000 0.0038% | $22.96 | $91,840 | +1.45% | |
| 2005-01-29 | Sale | NiSource Inc. NI | director | 10,620 0.01% | $22.64 | $240,490 | ||
| 2005-01-10 | Sale | NiSource Inc. NI | Chairman and CEO | 4,000 0.0038% | $22.05 | $88,200 | +7.04% | |
| 2005-01-03 | Sale | NiSource Inc. NI | director | 8,940 – | $0 | $0 | +5.27% | |
| 2004-08-23 | Sale | NiSource Inc. NI | director | 320 0.0003% | $20.90 | $6,688 | +11.03% | |
| 2004-08-20 | Sale | NiSource Inc. NI | director | 38,900 0.0377% | $20.78 | $808,328 | +11.33% |