Insider: Donald Goldman

Issuer Name: Goldgroup Mining Inc. (formerly Sierra Minerals Inc.)
Filing Date Transaction Date Ownership Type Securities Nature of transaction Volume Unit cost Closing Balance
2010052828 May, 10 2010043030 Apr, 10 Direct Ownership : Common Shares 37 - Stock split or consolidation -619,750 0 0
2010052828 May, 10 2010043030 Apr, 10 Direct Ownership : Options (Common Shares) 37 - Stock split or consolidation -200,000 0.125 225,000
2010052828 May, 10 2010043030 Apr, 10 Direct Ownership : Options (Common Shares) 37 - Stock split or consolidation -225,000 0.2 0
Filing Date Transaction Date Ownership Type Securities Nature of transaction Volume Unit cost Closing Balance
Issuer Name: Sierra Minerals Inc.
Filing Date Transaction Date Ownership Type Securities Nature of transaction Volume Unit cost Closing Balance
2009122222 Dec, 09 2009120808 Dec, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,500 0.275 619,750
2009112323 Nov, 09 2009111818 Nov, 09 Direct Ownership : Common Shares 11 - Acquisition or disposition carried out privately -139,250 0.18 617,250
2009100909 Oct, 09 2009100101 Oct, 09 Direct Ownership : Options (Common Shares) 50 - Grant of options 225,000 0.22 425,000
2009092222 Sep, 09 2009082424 Aug, 09 Direct Ownership : Options (Common Shares) 52 - Expiration of options -200,000 0.4 200,000
2009091010 Sep, 09 2009090303 Sep, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.2 756,500
2009090303 Sep, 09 2009082727 Aug, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.185 751,500
2009090303 Sep, 09 2009082727 Aug, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.17 746,500
2009081414 Aug, 09 2009081010 Aug, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.185 741,500
2009081414 Aug, 09 2009080707 Aug, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.195 736,500
2009081414 Aug, 09 2009080707 Aug, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 10,000 0.17 731,500
2009080707 Aug, 09 2009073131 Jul, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.195 721,500
2009073030 Jul, 09 2009073030 Jul, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 30,000 0.18 716,500
2009073030 Jul, 09 2009072828 Jul, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 26,500 0.18 686,500
2009073030 Jul, 09 2009072323 Jul, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 29,000 0.15 660,000
2009073030 Jul, 09 2009072222 Jul, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 10,000 0.15 631,000
2009062929 Jun, 09 2009062525 Jun, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 10,000 0.165 621,000
2009062929 Jun, 09 2009062121 Jun, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.17 611,000
2009061111 Jun, 09 2009060505 Jun, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 7,500 0.17 606,000
2009061111 Jun, 09 2009060404 Jun, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,000 0.17 598,500
2009052929 May, 09 2009052020 May, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.2 595,000
2009052929 May, 09 2009051919 May, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,500 0.215 582,500
2009052929 May, 09 2009052020 May, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,500 0.215 585,000
2009052929 May, 09 2009052020 May, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.18 590,000
2009052929 May, 09 2009052222 May, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 1,500 0.2 596,500
2009051919 May, 09 2009051919 May, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 10,000 0.2 580,000
2009051919 May, 09 2009051414 May, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 10,000 0.25 570,000
2009051919 May, 09 2009051414 May, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 15,000 0.18 560,000
2009051919 May, 09 2009051313 May, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 10,000 0.15 545,000
2009051919 May, 09 2009051212 May, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 12,000 0.15 535,000
2009051111 May, 09 2009050808 May, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 15,000 0.135 523,000
2009051111 May, 09 2009050606 May, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 10,000 0.15 508,000
2009051111 May, 09 2009050404 May, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 15,000 0.132 498,000
2009050808 May, 09 2009050101 May, 09 Direct Ownership : Options (Common Shares) 50 - Grant of options 200,000 0.125 400,000
2009041717 Apr, 09 2009041515 Apr, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 1,500 0.1 483,000
2009041717 Apr, 09 2009040909 Apr, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.14 481,500
2009033030 Mar, 09 2009032323 Mar, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,000 0.15 476,500
2009031616 Mar, 09 2009031111 Mar, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.19 474,500
2009031010 Mar, 09 2009030505 Mar, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,000 0.19 469,500
2009031010 Mar, 09 2009030303 Mar, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 1,000 0.19 467,500
2009021919 Feb, 09 2009021212 Feb, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 15,500 0.156 416,500
2009021919 Feb, 09 2009021313 Feb, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 15,000 0.2 466,500
2009021919 Feb, 09 2009021212 Feb, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 3,000 0.2 451,500
2009021919 Feb, 09 2009021212 Feb, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,000 0.235 448,500
2009021919 Feb, 09 2009021212 Feb, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.2 446,500
2009021919 Feb, 09 2009021212 Feb, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.192 441,500
2009021919 Feb, 09 2009021212 Feb, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 19,000 0.185 436,500
2009021919 Feb, 09 2009021212 Feb, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 1,000 0.17 417,500
2009021919 Feb, 09 2009021212 Feb, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 500 0.19 401,000
2009021919 Feb, 09 2009021212 Feb, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 3,000 0.11 400,500
2009020404 Feb, 09 2009013030 Jan, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 3,000 0.11 397,500
2009020404 Feb, 09 2009012929 Jan, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 500 0.15 394,500
2009020404 Feb, 09 2009012828 Jan, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 1,500 0.15 394,000
2009020404 Feb, 09 2009012828 Jan, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,000 0.19 392,500
2009020404 Feb, 09 2009012424 Jan, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.19 390,500
2009020404 Feb, 09 2009012323 Jan, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.195 385,500
2009020404 Feb, 09 2009012222 Jan, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.15 380,500
2009020404 Feb, 09 2009012121 Jan, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.19 375,500
2009012121 Jan, 09 2009011919 Jan, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 8,500 0.16 365,500
2009012121 Jan, 09 2009011414 Jan, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 14,000 0.17 351,000
2009012121 Jan, 09 2009011212 Jan, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 10,000 0.15 337,000
2009012121 Jan, 09 2009011616 Jan, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 6,000 0.17 357,000
2009012121 Jan, 09 2009012020 Jan, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.165 370,500
2009011616 Jan, 09 2009011212 Jan, 09 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 500 0.145 327,000
2008123030 Dec, 08 2008122222 Dec, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 22,000 0.08 326,500
2008112424 Nov, 08 2008111717 Nov, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 12,000 0.08 304,500
2008112424 Nov, 08 2008111717 Nov, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 1,000 0.08 0
2008111212 Nov, 08 2008110606 Nov, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,000 0.1 292,500
2008111212 Nov, 08 2008110505 Nov, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,000 0.14 290,500
2008103030 Oct, 08 2008102727 Oct, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,000 0.095 288,500
2008103030 Oct, 08 2008102323 Oct, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 20,000 0.06 286,500
2008091717 Sep, 08 2008091515 Sep, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 1,000 0.23 266,500
2008091717 Sep, 08 2008090909 Sep, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 500 0.17 265,500
2008090505 Sep, 08 2008090404 Sep, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 500 0.17 265,000
2008090505 Sep, 08 2008090303 Sep, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 1,000 0.24 264,500
2008090505 Sep, 08 2008082727 Aug, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 1,500 0.17 263,500
2008082727 Aug, 08 2008082222 Aug, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,000 0.23 262,000
2008082727 Aug, 08 2008082121 Aug, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.2 260,000
2008082727 Aug, 08 2008082121 Aug, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,000 0.26 255,000
2008082727 Aug, 08 2008081515 Aug, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 500 0.26 253,000
2008081515 Aug, 08 2008080606 Aug, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,000 0.235 0
2008081515 Aug, 08 2008080808 Aug, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,000 0.235 243,500
2008081515 Aug, 08 2008081414 Aug, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 5,000 0.2 252,500
2008081515 Aug, 08 2008081111 Aug, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 4,000 0.19 247,500
2008081515 Aug, 08 2008080606 Aug, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 1,000 0.28 241,500
2008073030 Jul, 08 2008031515 Mar, 08 Direct Ownership : Warrants (Common Shares) 55 - Expiration of warrants -100,000 0 0
2008073030 Jul, 08 2008071010 Jul, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 2,000 0.25 240,500
2008073030 Jul, 08 2008063030 Jun, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 15,000 0.345 238,500
2008073030 Jul, 08 2008061616 Jun, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 9,500 0.367 223,500
2008073030 Jul, 08 2008061010 Jun, 08 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 9,500 0.334 214,000
2006100303 Oct, 06 2006092626 Sep, 06 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 3,000 0.385 204,500
2006100303 Oct, 06 2006082424 Aug, 06 Direct Ownership : Options (Common Shares) 00 - Opening Balance-Initial SEDI Report 0 0 0
2006100303 Oct, 06 2006082424 Aug, 06 Direct Ownership : Options (Common Shares) 50 - Grant of options 200,000 0.4 200,000
2006100303 Oct, 06 2006092626 Sep, 06 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 500 0.38 201,500
2006100303 Oct, 06 2006092525 Sep, 06 Direct Ownership : Common Shares 10 - Acquisition or disposition in the public market 1,000 0.41 201,000
2006100303 Oct, 06 2006091515 Sep, 06 Direct Ownership : Common Shares 11 - Acquisition or disposition carried out privately 200,000 0.35 200,000
2006100303 Oct, 06 2006082424 Aug, 06 Direct Ownership : Warrants (Common Shares) 00 - Opening Balance-Initial SEDI Report 0 0 0
2006100303 Oct, 06 2006091515 Sep, 06 Direct Ownership : Warrants (Common Shares) 11 - Acquisition or disposition carried out privately 100,000 0.5 100,000
2006100303 Oct, 06 2006082424 Aug, 06 Direct Ownership : Common Shares 00 - Opening Balance-Initial SEDI Report 0 0 0
Filing Date Transaction Date Ownership Type Securities Nature of transaction Volume Unit cost Closing Balance

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