Bruce Kovner

CIK 1325713 · View on SEC EDGAR ↗

Insider

First SEC filing: Feb. 5, 2007 · Latest: Feb. 5, 2007

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 40 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

40 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Dec. 8, 2015 MDGL S 873,624 $0.37 $323,241 600,548 Indirect -59.26% Disposed 4003.6% (price as of 2026-08-18)
Dec. 8, 2015 MDGL S 496,015 $0.37 $183,526 340,970 Indirect -59.26% Disposed 4003.6% (price as of 2026-08-18)
Dec. 7, 2015 MDGL S 64 $0.41 $26 1,474,172 Indirect 0.00% Disposed 3603.3% (price as of 2026-08-18)
Dec. 7, 2015 MDGL S 36 $0.41 $15 836,985 Indirect 0.00% Disposed 3603.3% (price as of 2026-08-18)
Dec. 4, 2015 MDGL S 97,978 $0.41 $40,171 1,474,236 Indirect -6.23% Disposed 3603.3% (price as of 2026-08-18)
Dec. 4, 2015 MDGL S 55,629 $0.41 $22,808 837,021 Indirect -6.23% Disposed 3603.3% (price as of 2026-08-18)
Dec. 3, 2015 MDGL S 95,040 $0.41 $38,966 892,650 Indirect -9.62% Disposed 3603.3% (price as of 2026-08-18)
Dec. 3, 2015 MDGL S 167,394 $0.41 $68,632 1,572,214 Indirect -9.62% Disposed 3603.3% (price as of 2026-08-18)
Dec. 2, 2015 MDGL S 249,015 $0.43 $107,076 987,690 Indirect -20.14% Disposed 3431.0% (price as of 2026-08-18)
Dec. 2, 2015 MDGL S 438,588 $0.43 $188,593 1,739,608 Indirect -20.14% Disposed 3431.0% (price as of 2026-08-18)
Dec. 1, 2015 MDGL S 174,091 $0.43 $74,859 1,236,705 Indirect -12.34% Disposed 3431.0% (price as of 2026-08-18)
Dec. 1, 2015 MDGL S 306,625 $0.43 $131,849 2,178,196 Indirect -12.34% Disposed 3431.0% (price as of 2026-08-18)
Nov. 30, 2015 MDGL S 231,959 $0.43 $99,742 1,410,796 Indirect -14.12% Disposed 3431.0% (price as of 2026-08-18)
Nov. 30, 2015 MDGL S 408,546 $0.43 $175,675 2,484,821 Indirect -14.12% Disposed 3431.0% (price as of 2026-08-18)
Nov. 27, 2015 MDGL S 338,463 $0.50 $169,232 1,642,755 Indirect -17.08% Disposed 2936.7% (price as of 2026-08-18)
Nov. 27, 2015 MDGL S 596,132 $0.50 $298,066 2,893,367 Indirect -17.08% Disposed 2936.7% (price as of 2026-08-18)
Nov. 25, 2015 MDGL S 544,571 $0.49 $266,840 1,981,218 Indirect -21.56% Disposed 2998.7% (price as of 2026-08-18)
Nov. 25, 2015 MDGL S 959,149 $0.49 $469,983 3,489,499 Indirect -21.56% Disposed 2998.7% (price as of 2026-08-18)
Nov. 24, 2015 MDGL S 194,883 $0.44 $85,749 2,525,789 Indirect -7.16% Disposed 3350.8% (price as of 2026-08-18)
Nov. 24, 2015 MDGL S 343,246 $0.44 $151,028 4,448,648 Indirect -7.16% Disposed 3350.8% (price as of 2026-08-18)
Nov. 23, 2015 MDGL S 230,129 $0.44 $101,257 2,720,672 Indirect -7.80% Disposed 3350.8% (price as of 2026-08-18)
Nov. 23, 2015 MDGL S 405,324 $0.44 $178,343 4,791,894 Indirect -7.80% Disposed 3350.8% (price as of 2026-08-18)
Nov. 20, 2015 MDGL S 83,397 $0.44 $36,695 2,950,801 Indirect -2.75% Disposed 3350.8% (price as of 2026-08-18)
Nov. 20, 2015 MDGL S 146,886 $0.44 $64,630 5,197,218 Indirect -2.75% Disposed 3350.8% (price as of 2026-08-18)
Nov. 19, 2015 MDGL S 65,802 $0.46 $30,269 3,034,198 Indirect -2.12% Disposed 3200.8% (price as of 2026-08-18)
Nov. 19, 2015 MDGL S 115,896 $0.46 $53,312 5,344,104 Indirect -2.12% Disposed 3200.8% (price as of 2026-08-18)
Nov. 19, 2015 MDGL S 992,953 $0.50 $496,476 0 Indirect -100.00% Disposed 2936.7% (price as of 2026-08-18)
Nov. 18, 2015 MDGL S 108,154 $0.43 $46,506 992,953 Indirect -9.82% Disposed 3431.0% (price as of 2026-08-18)
Nov. 17, 2015 MDGL S 700,618 $0.42 $294,260 1,101,107 Indirect -38.89% Disposed 3515.1% (price as of 2026-08-18)
Nov. 16, 2015 MDGL S 15,530 $0.44 $6,833 1,801,725 Indirect -0.85% Disposed 3350.8% (price as of 2026-08-18)
Nov. 13, 2015 MDGL S 507,788 $0.43 $218,349 1,817,255 Indirect -21.84% Disposed 3431.0% (price as of 2026-08-18)
Nov. 12, 2015 MDGL S 733,564 $0.47 $344,775 2,325,043 Indirect -23.98% Disposed 3130.5% (price as of 2026-08-18)
Nov. 11, 2015 MDGL S 1,080,941 $0.50 $540,470 3,058,607 Indirect -26.11% Disposed 2936.7% (price as of 2026-08-18)
Nov. 10, 2015 MDGL S 1,397,114 $0.55 $768,413 4,139,548 Indirect -25.23% Disposed 2660.6% (price as of 2026-08-18)
Nov. 9, 2015 MDGL S 2,225,054 $0.61 $1,357,283 5,536,662 Indirect -28.67% Disposed 2389.1% (price as of 2026-08-18)
April 6, 2015 MDGL P 6,857,143 $1.75 $12,000,000 15,278,610 Indirect +81.42% Acquired 767.6% (price as of 2026-08-18)
Sept. 30, 2014 MDGL P 300,000 $3.08 $924,000 8,421,467 Indirect +3.69% Acquired 393.0% (price as of 2026-08-18)
April 11, 2014 MDGL P 1,250,000 $4.01 $5,012,500 8,121,467 Indirect +18.19% Acquired 278.6% (price as of 2026-08-18)
Nov. 13, 2013 MDGL P 3,400,000 $3.75 $12,750,000 7,649,803 Indirect +80.00% Acquired 304.9% (price as of 2026-08-18)
Nov. 13, 2013 MDGL P 1,600,000 $3.75 $6,000,000 1,600,000 Indirect Acquired 304.9% (price as of 2026-08-18)
June 27, 2013 MDGL P 150,000 $4.71 $706,500 3,100,000 Indirect +5.08% Acquired 222.4% (price as of 2026-08-18)
June 26, 2013 MDGL P 300,000 $4.65 $1,395,000 2,950,000 Indirect +11.32% Acquired 226.5% (price as of 2026-08-18)
June 25, 2013 MDGL P 200,000 $4.35 $870,000 2,650,000 Indirect +8.16% Acquired 249.0% (price as of 2026-08-18)
June 24, 2013 MDGL P 200,000 $4.43 $886,000 2,450,000 Indirect +8.89% Acquired 242.7% (price as of 2026-08-18)
June 21, 2013 MDGL P 50,000 $4.23 $211,500 2,250,000 Indirect +2.27% Acquired 258.9% (price as of 2026-08-18)
June 18, 2013 MDGL P 200,000 $4.00 $800,000 2,200,000 Indirect +10.00% Acquired 279.6% (price as of 2026-08-18)
June 6, 2013 MDGL P 738,900 $4.31 $3,184,659 2,000,000 Indirect +58.59% Acquired 252.3% (price as of 2026-08-18)
June 5, 2013 MDGL P 756,000 $4.71 $3,560,760 1,261,100 Indirect +149.67% Acquired 222.4% (price as of 2026-08-18)
June 4, 2013 MDGL P 505,100 $4.99 $2,520,449 505,100 Indirect Acquired 204.3% (price as of 2026-08-18)
Nov. 14, 2012 MDGL P 10,500 $6.95 $72,975 947,700 Indirect +1.12% Acquired 118.5% (price as of 2026-08-18)
Nov. 12, 2012 MDGL P 27,200 $6.89 $187,408 937,200 Indirect +2.99% Acquired 120.4% (price as of 2026-08-18)
June 29, 2012 MDGL P 910,000 $5.45 $4,959,500 6,816,048 Direct +15.41% Acquired 178.6% (price as of 2026-08-18)
Jan. 6, 2012 MDGL P 1,136,363 $4.40 $4,999,997 5,906,048 Direct +23.82% Acquired 245.1% (price as of 2026-08-18)
Dec. 7, 2011 MDGL P 11,059 $3.95 $43,683 5,269,685 Direct +0.21% Acquired 284.4% (price as of 2026-08-18)
Nov. 29, 2011 MDGL P 8,844 $3.96 $35,022 5,258,626 Direct +0.17% Acquired 283.4% (price as of 2026-08-18)
Nov. 25, 2011 MDGL P 25,016 $3.94 $98,563 5,249,782 Direct +0.48% Acquired 285.4% (price as of 2026-08-18)
Nov. 23, 2011 MDGL P 7,547 $3.98 $30,037 5,224,766 Direct +0.14% Acquired 281.5% (price as of 2026-08-18)
Nov. 22, 2011 MDGL P 453 $3.96 $1,794 5,217,219 Direct +0.01% Acquired 283.4% (price as of 2026-08-18)
Nov. 21, 2011 MDGL P 33,640 $3.84 $129,178 5,216,766 Direct +0.65% Acquired 295.4% (price as of 2026-08-18)
Nov. 18, 2011 MDGL P 21,000 $3.71 $77,910 5,183,126 Direct +0.41% Acquired 309.3% (price as of 2026-08-18)

Showing latest 100 of 143 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date Ticker Security Underlying Exercise price Expiration Shares A/D
July 1, 2015 MDGL Director Stock Option (Right to Buy) Common Stock (20,000) $2.20 July 1, 2025 20,000 Acquired
July 1, 2014 MDGL Director Stock Option (Right to Buy) Common Stock (10,000) $4.10 July 1, 2024 10,000 Acquired
July 1, 2013 MDGL Director Stock Option (Right to Buy) Common Stock (10,000) $5.00 July 1, 2023 10,000 Acquired
July 1, 2012 MDGL Director Stock Option (Right to Buy) Common Stock (10,000) $5.47 July 1, 2022 10,000 Acquired
July 1, 2011 MDGL Director Stock Option (Right to Buy) Common Stock (5,500) $5.09 July 1, 2021 5,500 Acquired
July 1, 2010 MDGL Director Stock Option (Right to Buy) Common Stock (5,500) $2.59 July 1, 2020 5,500 Acquired
July 1, 2009 MDGL Director Stock Option (Right to Buy) Common Stock (5,500) $2.38 July 1, 2019 5,500 Acquired
June 11, 2008 MDGL Director Stock Option (Right to Buy) Common Stock (5,500) $7.03 June 11, 2018 5,500 Acquired
Feb. 9, 2007 MDGL Series A Convertible Preferred Stock Common Stock (1,690,646) 2,154,105 Disposed
Feb. 9, 2007 MDGL Series A Convertible Preferred Stock Common Stock (23,648) 30,131 Disposed

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 5 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Feb. 5, 2007 MDGL Common Stock 87,954 Direct
Feb. 5, 2007 MDGL Common Stock 6,071,070 Indirect
Feb. 5, 2007 MDGL Series A Convertible Preferred Stock→ Common Stock Direct
Feb. 5, 2007 MDGL Series A Convertible Preferred Stock→ Common Stock Indirect
Feb. 5, 2007 MDGL Director Stock Option (Right to Buy)→ Common Stock Direct