Mast Capital Management, LLC (CIK 0001429074)

Latest company ownership

Shares held
1,015,508
Last filed at
Jun 7, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2017Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Jun 5, 2019 Jun 7, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -55,100 -5.15% ✗ $467.3K
May 31, 2019 Jun 4, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -71,300 -6.24% ✗ $611.4K
May 28, 2019 May 30, 2019 Great Elm Capital Corp. 10% Owner Sell 22.5 -21,100 -1.81% ✗ $187.4K
May 22, 2019 May 24, 2019 Great Elm Capital Corp. 10% Owner Sell 17.5 -274,000 -19.07% ✗ $2.4M
May 17, 2019 May 21, 2019 Great Elm Capital Corp. 10% Owner Sell 22.5 -18,500 -1.27% ✗ $162.9K
May 14, 2019 May 16, 2019 Great Elm Capital Corp. 10% Owner Sell 17.5 -149,000 -9.29% ✗ $1.3M
May 9, 2019 May 13, 2019 Great Elm Capital Corp. 10% Owner Sell 32.5 -8,800 -0.55% ✗ $74K
Apr 25, 2019 Apr 29, 2019 Great Elm Capital Corp. 10% Owner Sell 32.5 -13,300 -0.82% ✗ $111.2K
Apr 22, 2019 Apr 24, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -48,000 -2.87% ✗ $402.6K
Apr 16, 2019 Apr 18, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -37,100 -2.17% ✗ $309.8K
Mar 28, 2019 Apr 1, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -115,200 -6.31% ✗ $945.8K
Mar 25, 2019 Mar 27, 2019 Great Elm Capital Corp. 10% Owner Sell 17.5 -221,200 -10.80% ✗ $1.8M
Mar 20, 2019 Mar 22, 2019 Great Elm Capital Corp. 10% Owner Sell 22.5 -24,000 -1.16% ✗ $198.3K
Mar 15, 2019 Mar 19, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -32,309 -1.54% ✗ $264.7K
Mar 12, 2019 Mar 14, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -64,000 -2.95% ✗ $521.6K
Mar 7, 2019 Mar 11, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -35,800 -1.62% ✗ $291.7K
Mar 4, 2019 Mar 6, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -37,500 -1.67% ✗ $308.5K
Feb 27, 2019 Mar 1, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -61,400 -2.67% ✗ $515.5K
Feb 22, 2019 Feb 26, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -77,600 -3.25% ✗ $658.2K
Feb 19, 2019 Feb 21, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -38,900 -1.60% ✗ $324.1K
Feb 13, 2019 Feb 15, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -40,400 -1.64% ✗ $334.7K
Feb 8, 2019 Feb 12, 2019 Great Elm Capital Corp. 10% Owner Sell 32.5 -20,300 -0.82% ✗ $165.4K
Feb 5, 2019 Feb 7, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -39,800 -1.58% ✗ $322.9K
Jan 31, 2019 Feb 4, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -39,200 -1.53% ✗ $314K
Jan 28, 2019 Jan 30, 2019 Great Elm Capital Corp. 10% Owner Sell 45.0 -31,850 -0.10% ✗ $254.7K
Jan 23, 2019 Jan 25, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -32,699 -1.24% ✗ $260K
Jan 17, 2019 Jan 22, 2019 Great Elm Capital Corp. 10% Owner Sell 32.5 -14,425 -0.55% ✗ $114.7K
Jan 14, 2019 Jan 16, 2019 Great Elm Capital Corp. 10% Owner Sell 51.3 -5,275 -0.20% ✗ $42K
Jan 9, 2019 Jan 11, 2019 Great Elm Capital Corp. 10% Owner Sell 40.0 -7,100 -0.27% ✗ $56.5K
Jan 4, 2019 Jan 8, 2019 Great Elm Capital Corp. 10% Owner Sell 20.0 -43,890 -1.63% ✗ $346.9K
Jan 2, 2019 Jan 4, 2019 Great Elm Capital Corp. 10% Owner Sell 52.5 -1,225 -0.05% ✗ $9.8K
Dec 28, 2018 Jan 2, 2019 Great Elm Capital Corp. 10% Owner Sell 51.3 -1,625 -0.06% ✗ $13K
Dec 13, 2018 Dec 17, 2018 Great Elm Capital Corp. 10% Owner Sell 52.5 -862 -0.03% ✗ $7K
Dec 10, 2018 Dec 12, 2018 Great Elm Capital Corp. 10% Owner Sell 51.3 -5,100 -0.19% ✗ $41.7K
Dec 7, 2018 Dec 10, 2018 Great Elm Capital Corp. 10% Owner Sell 51.3 -2,000 -0.07% ✗ $16.5K
Oct 22, 2018 Oct 24, 2018 Great Elm Capital Corp. 10% Owner Sell 15.0 -2,276,279 -45.63% ✗ $17.2M
Sep 12, 2018 Sep 14, 2018 Great Elm Capital Corp. 10% Owner Sell 30.0 -45,448 -0.90% ✗ $439.8K
Apr 25, 2018 Apr 27, 2018 Great Elm Capital Corp. 10% Owner Sell 47.5 -6,500 -0.13% ✗ $60.1K
Apr 18, 2018 Apr 20, 2018 Great Elm Capital Corp. 10% Owner Sell 51.3 -1,900 -0.04% ✗ $17.5K
Apr 13, 2018 Apr 17, 2018 Great Elm Capital Corp. 10% Owner Sell 51.3 -1,500 -0.03% ✗ $13.8K
Apr 9, 2018 Apr 11, 2018 Great Elm Capital Corp. 10% Owner Sell 47.5 -8,256 -0.16% ✗ $75.9K
Apr 4, 2018 Apr 6, 2018 Great Elm Capital Corp. 10% Owner Sell 51.3 -2,706 -0.05% ✗ $25.2K
Mar 29, 2018 Apr 3, 2018 Great Elm Capital Corp. 10% Owner Sell 51.3 -1,778 -0.04% ✗ $16.5K
Mar 26, 2018 Mar 28, 2018 Great Elm Capital Corp. 10% Owner Sell 40.0 -18,606 -0.37% ✗ $171.4K
Mar 21, 2018 Mar 23, 2018 Great Elm Capital Corp. 10% Owner Sell 47.5 -7,145 -0.14% ✗ $65.1K
Nov 1, 2017 Nov 3, 2017 Great Elm Capital Corp. 10% Owner Sell 52.5 -200 0.00% ✗ $2K
Oct 27, 2017 Oct 31, 2017 Great Elm Capital Corp. 10% Owner Sell 52.5 -401 -0.01% ✗ $4.1K
Oct 24, 2017 Oct 26, 2017 Great Elm Capital Corp. 10% Owner Sell 52.5 -600 -0.01% ✗ $6.1K
Oct 20, 2017 Oct 23, 2017 Great Elm Capital Corp. 10% Owner Sell 51.3 -1,569 -0.03% ✗ $16.1K
Oct 17, 2017 Oct 19, 2017 Great Elm Capital Corp. 10% Owner Sell 30.0 -49,156 -0.96% ✗ $497.1K
Oct 12, 2017 Oct 16, 2017 Great Elm Capital Corp. 10% Owner Sell 45.0 -50,544 -0.08% ✗ $511.3K
Oct 10, 2017 Oct 11, 2017 Great Elm Capital Corp. 10% Owner Sell 40.0 -11,892 -0.23% ✗ $120.7K
Oct 5, 2017 Oct 10, 2017 Great Elm Capital Corp. 10% Owner Sell 30.0 -29,667 -0.57% ✗ $306K
Oct 2, 2017 Oct 4, 2017 Great Elm Capital Corp. 10% Owner Sell 40.0 -18,605 -0.35% ✗ $193.6K
Sep 18, 2017 Oct 4, 2017 Great Elm Capital Corp. 10% Owner Sell 30.0 -36,216 -0.67% ✗ $388.4K
Sep 27, 2017 Sep 29, 2017 Great Elm Capital Corp. 10% Owner Sell 20.0 -82,780 -1.55% ✗ $866.8K
Sep 25, 2017 Sep 27, 2017 Great Elm Capital Corp. 10% Owner Sell 40.0 -17,223 -0.32% ✗ $182.3K
Sep 20, 2017 Sep 22, 2017 Great Elm Capital Corp. 10% Owner Sell 20.0 -59,676 -1.10% ✗ $635.6K
Sep 14, 2017 Sep 18, 2017 Great Elm Capital Corp. 10% Owner Sell 40.0 -12,761 -0.23% ✗ $137.5K
Sep 8, 2017 Sep 12, 2017 Great Elm Capital Corp. 10% Owner Sell 52.5 -600 -0.01% ✗ $6.6K
May 8, 2017 May 19, 2017 Great Elm Capital Corp. 10% Owner Sell 16.3 -481,918 -8.12% ✗ $5.5M