Mast Capital Management LLC

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Assets, Funds, Holdings

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Mast Capital Management LLC
CRD #125669
SEC #801-63090
CIK #0001429074
AUM
Employees 1 (100% Investors, 0% Brokers)
Fees
Minimum
Phone617-375-3000
Address31 St James Avenue
Boston, MA 02116
Source [IAPD] [EDGAR] [Website]
Total AUM ($M)
1600128096064032002004201120182025
Type Form D Funds Date Sold AUM
HF Mast Admiral Fund LP [2021-03-28] 68.5 M 7.9 M
Filed 2017-02-06 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF Mast Select Opportunities LP [2018-03-28] 33.1 M 0.3 M
Filed 2015-03-24 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF Mast Admiral Master Fund LP [2014-03-28] 68.5 M 19.0 M
Filed 2017-02-06 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF Mast AK Fund LP [2012-03-23] 113.4 M 104.4 M
Filed 2013-03-26 (D/A) · Exemption 506, 3(c), 3(c)(7) · Remaining Indefinite · Duration One year or less · Revenue Decline to Disclose
HF Mast Credit Opportunities I Master Fund Limited 2012-03-23 46.1 M
PE Mast Distressed Opportunities I LP [2012-03-23] 26.9 M
HF Mast OC I Master Fund LP [2012-03-23] 799.3 M 64.2 M
Filed 2017-03-16 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $100,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF Mast PC Fund LP [2012-03-23] 47.8 M 45.8 M
Filed 2013-09-19 (D/A) · Exemption 506, 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF Mast Select Opportunities Master Fund LP [2012-03-23] 33.1 M 39.0 M
Filed 2015-03-24 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
AUM Breakdown Accounts AUM ($M)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 0 0.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 0 0.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 10 168.3
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 0 0.0
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 0 0.0
(n) Other 0 0.0
Total 10 168.3
By Discretionary
Discretionary 10 168.3
Non-Discretionary 0 0.0
Total 10 168.3
By Non-United States Persons
Non-United States Persons 164.9
United States Persons 3.3
Total 10 168.3
Form D Directors Role # Filings # Firms 2011 - 2026
Sean Flynn Director 165 41
Michael Levin Director 72 13
Christine Fletcher Director 71 13
Jane Fleming Director 26 8
Catherine Crowley Director 58 4
David Steinberg Director, Executive Officer 59 3
Jennifer Serrano Executive Officer 13 3
Christopher Madison Executive Officer 6 2
Mast Capital Management Ia Holdings LLC Executive Officer 3 2
EDGAR Form CIK 2011 - 2026
13F-HR [0001429074]
3 [0001429074]
4 [0001429074]
SC 13D [0001429074]
SC 13G [0001429074]
Form 13D/13G Filer Form 13D/13G Subject Filed
Mast Capital Management LLC Great Elm Capital Corp [2016-11-14]
Mast Capital Management LLC Unwired Planet Inc [2015-08-11]
Mast Capital Management LLC General Communication Inc [2014-09-12]
Mast Capital Management LLC CHC Group Ltd [2014-08-01]
Mast Capital Management LLC Ardmore Shipping Corp [2014-05-19]
Mast Capital Management LLC Global Cash Access Holdings Inc [2014-05-14]
Firm Profile (Form ADV)
ServesInstitutional
Fund TypesHedge Fund, Private Equity
LEI549300J67ZO5LODAQX03
Form 3/4/5 Subject 2011 - 2026
Steinberg David J
Mast Capital Management LLC
Great Elm Capital Corp
Unwired Planet Inc
Everi Holdings Inc
GCI Liberty Inc
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Great Elm Capital Corp GECC
Common Stock
2019-06-05 Sell 55,100 $8.48 467,248
Great Elm Capital Corp GECC
Common Stock
2019-06-04 Sell 5,700 $8.47 48,279
Great Elm Capital Corp GECC
Common Stock
2019-06-03 Sell 7,400 $8.47 62,678
Great Elm Capital Corp GECC
Common Stock
2019-05-31 Sell 58,200 $8.60 500,520
Great Elm Capital Corp GECC
Common Stock
2019-05-30 Sell 7,000 $8.86 62,020
Great Elm Capital Corp GECC
Common Stock
2019-05-29 Sell 5,300 $8.90 47,170
Great Elm Capital Corp GECC
Common Stock
2019-05-28 Sell 8,800 $8.88 78,144
Great Elm Capital Corp GECC
Common Stock
2019-05-24 Sell 10,500 $8.85 92,925
Great Elm Capital Corp GECC
Common Stock
2019-05-23 Sell 258,100 $8.60 2,219,660
Great Elm Capital Corp GECC
Common Stock
2019-05-22 Sell 5,400 $8.77 47,358
Great Elm Capital Corp GECC
Common Stock
2019-05-21 Sell 6,900 $8.85 61,065
Great Elm Capital Corp GECC
Common Stock
2019-05-20 Sell 6,200 $8.83 54,746
Great Elm Capital Corp GECC
Common Stock
2019-05-17 Sell 5,400 $8.72 47,088
Great Elm Capital Corp GECC
Common Stock
2019-05-16 Sell 134,700 $8.69 1,170,543
Great Elm Capital Corp GECC
Common Stock
2019-05-15 Sell 9,400 $8.56 80,464
Great Elm Capital Corp GECC
Common Stock
2019-05-14 Sell 4,900 $8.55 41,895
Great Elm Capital Corp GECC
Common Stock
2019-05-13 Sell 5,000 $8.41 42,050
Great Elm Capital Corp GECC
Common Stock
2019-05-10 Sell 2,100 $8.43 17,703
Great Elm Capital Corp GECC
Common Stock
2019-05-09 Sell 1,700 $8.39 14,263
Great Elm Capital Corp GECC
Common Stock
2019-04-25 Sell 13,300 $8.36 111,188
showing 20 of 200 most recent transactions
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