Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 92 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

92 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
July 18, 2025 CALC P 4,500 $2.87 $12,915 422,029 Direct +1.08% Acquired -88.9% (price as of 2026-10-02)
Nov. 1, 2024 CALC P 53,333 $3.75 $199,999 417,529 Direct +14.64% Acquired -91.5% (price as of 2026-10-02)
Aug. 23, 2024 CALC P 54,000 $3.72 $200,880 364,196 Direct +17.41% Acquired -91.4% (price as of 2026-10-02)
June 28, 2024 CALC P 51,278 $3.52 $180,499 310,196 Direct +19.80% Acquired -90.9% (price as of 2026-10-02)
June 27, 2024 CALC P 8,443 $3.23 $27,271 258,918 Direct +3.37% Acquired -90.1% (price as of 2026-10-02)
Dec. 11, 2023 CALC P 506 $3.30 $1,670 182,161 Direct +0.28% Acquired -90.3% (price as of 2026-10-02)
April 6, 2015 MDGL P 50,000 $1.75 $87,500 754,118 Direct +7.10% Acquired 715.3% (price as of 2026-10-02)
June 4, 2013 MDGL P 10,000 $5.00 $50,000 699,679 Direct +1.45% Acquired 185.4% (price as of 2026-10-02)

Showing latest 100 of 153 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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
Aug. 19, 2026 CALC Warrant Common Stock (1,182,621) $0.80 Dec. 25, 2027 1,182,621 Acquired
Aug. 19, 2026 CALC Warrant Common Stock (1,182,621) $1.00 June 25, 2031 1,182,621 Acquired
Aug. 19, 2026 CALC Director Stock Option (Right to Buy) Common Stock (10,000) $0.61 Aug. 18, 2036 10,000 Acquired
June 24, 2025 CALC Director Stock Option (Right to Buy) Common Stock (10,000) $1.53 April 22, 2035 10,000 Acquired
June 24, 2025 CALC Director Stock Option (Right to Buy) Common Stock (12,031) $1.53 April 22, 2035 12,031 Acquired
June 24, 2025 CALC Director Stock Option (Right to Buy) Common Stock (36,562) $1.53 April 22, 2035 36,562 Acquired
June 24, 2025 CALC Director Stock Option (Right to Buy) Common Stock (10,000) $1.65 June 23, 2035 10,000 Acquired
Aug. 27, 2024 CALC Director Stock Option (Right to Buy) Common Stock (10,000) $4.16 Aug. 26, 2034 10,000 Acquired
March 28, 2024 CALC Director Stock Option (Right to Buy) Common Stock (10,000) $4.16 March 27, 2034 10,000 Acquired
Jan. 23, 2024 CALC Warrant Common Stock (34,157) $5.36 Dec. 31, 2024 34,157 Acquired
Jan. 23, 2024 CALC Warrant Common Stock (34,157) $7.15 Dec. 31, 2026 34,157 Acquired
May 8, 2023 CALC Director Stock Option (Right to Buy) Common Stock (20,000) $3.25 May 7, 2033 20,000 Acquired
March 20, 2023 CALC Warrant Common Stock (8,592) $27.94 June 25, 2026 8,592 Acquired
March 20, 2023 CALC Warrant Common Stock (8,592) $27.94 Feb. 22, 2026 8,592 Acquired
March 20, 2023 CALC Director Stock Option (right to buy) Common Stock (1,488) $17.34 March 19, 2033 1,488 Acquired
March 20, 2023 CALC Director Stock Option (right to buy) Common Stock (7,577) $17.34 March 19, 2033 7,577 Acquired
March 20, 2023 CALC Director Stock Option (right to buy) Common Stock (5,760) $7.99 June 30, 2031 5,760 Acquired
March 20, 2023 CALC Director Stock Option (right to buy) Common Stock (5,760) $7.99 April 27, 2031 5,760 Acquired
March 20, 2023 CALC Director Stock Option (right to buy) Common Stock (23,557) $6.60 June 29, 2030 23,557 Acquired
Dec. 13, 2018 SCHW Nonqualified Stock Option (right to buy) Common Stock (11,344) $17.62 May 19, 2021 11,344 Disposed
Dec. 13, 2018 SCHW Nonqualified Stock Option (right to buy) Common Stock (14,345) $19.21 May 20, 2023 14,345 Disposed
Dec. 13, 2018 SCHW Nonqualified Stock Option (right to buy) Common Stock (16,491) $12.66 May 21, 2022 16,491 Disposed
May 17, 2018 SCHW Nonqualified Stock Option (right to buy) Common Stock (5,139) $59.32 May 17, 2018 5,139 Acquired
Oct. 18, 2017 SCHW Nonqualified Stock Option (right to buy) Common Stock (11,082) $17.38 May 17, 2020 11,082 Disposed
Oct. 18, 2017 SCHW Nonqualified Stock Option (right to buy) Common Stock (8,356) $18.00 May 18, 2019 8,356 Disposed
Oct. 18, 2017 SCHW Nonqualified Stock Option (right to buy) Common Stock (7,486) $22.39 May 19, 2018 7,486 Disposed
May 18, 2017 SCHW Nonqualified Stock Option (right to buy) Common Stock (7,165) $38.33 May 18, 2027 7,165 Acquired
April 19, 2017 SCHW Nonqualified Stock Option (right to buy) Common Stock (9,134) $20.14 May 21, 2017 9,134 Disposed
May 19, 2016 SCHW Nonqualified Stock Option (right to buy) Common Stock (7,866) $28.96 May 19, 2026 7,866 Acquired
April 18, 2016 SCHW Nonqualified Stock Option (right to buy) Common Stock (7,866) $15.17 May 22, 2016 7,866 Disposed
July 1, 2015 MDGL Director Stock Option (Right to Buy) Common Stock (20,000) $2.20 July 1, 2025 20,000 Acquired
May 15, 2015 SCHW Nonqualified Stock Option (right to buy) Common Stock (8,548) $31.21 May 15, 2025 8,548 Acquired
March 19, 2015 SCHW Nonqualified Stock Option (right to buy) Common Stock (7,866) $11.04 May 23, 2015 7,866 Disposed
July 1, 2014 MDGL Director Stock Option (Right to Buy) Common Stock (10,000) $4.10 July 1, 2024 10,000 Acquired
May 19, 2014 SCHW Nonqualified Stock Option (right to buy) Common Stock (10,511) $25.01 May 19, 2024 10,511 Acquired
May 13, 2014 SCHW Nonqualified Stock Option (right to buy) Common Stock (5,244) $9.06 May 17, 2014 5,244 Disposed
Oct. 1, 2013 SCHW Restricted Stock Units Common Stock (673) · · 673 Acquired
July 1, 2013 SCHW Restricted Stock Units Common Stock (673) · · 673 Acquired
July 1, 2013 MDGL Director Stock Option (Right to Buy) Common Stock (10,000) $5.00 July 1, 2023 10,000 Acquired
May 20, 2013 SCHW Nonqualified Stock Option (right to buy) Common Stock (14,345) $19.21 May 20, 2023 14,345 Acquired
April 2, 2013 SCHW Nonqualified Stock Option (right to buy) Common Stock (5,244) $9.31 May 15, 2013 5,244 Disposed
April 2, 2013 SCHW Nonqualified Stock Option (right to buy) Common Stock (5,244) $8.47 May 9, 2013 5,244 Disposed
April 1, 2013 SCHW Restricted Stock Units Common Stock (828) · · 828 Acquired
Jan. 2, 2013 SCHW Restricted Stock Units Common Stock (954) · · 954 Acquired
July 1, 2012 MDGL Director Stock Option (Right to Buy) Common Stock (10,000) $5.47 July 1, 2022 10,000 Acquired
May 21, 2012 SCHW Nonqualified Stock Option (right to buy) Common Stock (16,491) $12.66 May 21, 2022 16,491 Acquired
May 14, 2012 SCHW Nonqualified Stock Option (right to buy) Common Stock (6,453) $11.62 May 15, 2012 6,453 Disposed
July 1, 2011 MDGL Director Stock Option (Right to Buy) Common Stock (5,500) $5.09 July 1, 2021 5,500 Acquired
May 19, 2011 SCHW Nonqualified Stock Option (right to buy) Common Stock (11,344) $17.62 May 19, 2021 11,344 Acquired
July 1, 2010 MDGL Director Stock Option (Right to Buy) Common Stock (5,500) $2.59 July 1, 2020 5,500 Acquired
May 17, 2010 SCHW Restricted Stock Units Common Stock (3,649) · · 3,649 Acquired
May 17, 2010 SCHW Nonqualified Stock Option (right to buy) Common Stock (11,082) $17.38 May 17, 2020 11,082 Acquired
July 1, 2009 MDGL Director Stock Option (Right to Buy) Common Stock (5,500) $2.38 July 1, 2019 5,500 Acquired
May 18, 2009 SCHW Nonqualified Stock Option (right to buy) Common Stock (8,356) $18.00 May 18, 2019 8,356 Acquired
June 11, 2008 MDGL Director Stock Option (Right to Buy) Common Stock (5,500) $7.03 June 11, 2018 5,500 Acquired
May 19, 2008 SCHW Non-Qualified Stock Option (right to buy) Common Stock (7,486) $22.39 May 19, 2018 7,486 Acquired
Oct. 1, 2007 SCHW Restricted Stock Units Common Stock (949) $22.41 · 949 Acquired
July 2, 2007 SCHW Restricted Stock Units Common Stock (966) $22.00 · 966 Acquired
May 21, 2007 SCHW Non-Qualified Stock Option (right to buy) Common Stock (8,709) $21.12 May 21, 2017 8,709 Acquired
April 2, 2007 SCHW Restricted Stock Units Common Stock (1,618) $18.55 · 1,618 Acquired
Feb. 9, 2007 MDGL Series A Convertible Preferred Stock Common Stock (52,973) · · 67,495 Disposed
Jan. 3, 2007 SCHW Restricted Stock Units Common Stock (633) $19.76 · 633 Acquired
May 22, 2006 SCHW Non-Qualified Stock Option (right to buy) Common Stock (7,500) $15.91 May 22, 2016 7,500 Acquired
May 22, 2006 SCHW Non-Qualified Stock Option (right to buy) Common Stock (7,500) $15.91 May 21, 2016 7,500 Acquired
Jan. 3, 2006 SCHW Restricted Stock Units Common Stock (1,394) $14.96 · 1,394 Acquired
Oct. 3, 2005 SCHW Restricted Stock Units Common Stock (1,978) $14.44 · 1,978 Acquired
July 1, 2005 SCHW Restricted Stock Units Common Stock (2,812) $11.33 · 2,812 Acquired
May 23, 2005 SCHW Non-Qualified Stock Options (right to buy) Common Stock (7,500) $11.58 May 23, 2015 7,500 Acquired
May 19, 2005 SCHW Non-Qualified Stock Options (right to buy) Common Stock (3,050) $11.58 May 19, 2015 3,050 Acquired
May 19, 2005 SCHW Non-Qualified Stock Options (right to buy) Common Stock (2,900) $11.58 May 19, 2015 2,900 Acquired
April 1, 2005 SCHW Restricted Stock Units Common Stock (3,675) $10.45 · 3,675 Acquired
Jan. 3, 2005 SCHW Right to Acquire Actual Shares Common Stock (738) $11.66 · 738 Acquired
Jan. 3, 2005 SCHW Restricted Stock Units Common Stock (1,973) $11.66 · 1,973 Acquired
Oct. 1, 2004 SCHW Right to Acquire Actual Shares Common Stock (3,731) $9.22 · 3,731 Acquired
July 1, 2004 SCHW Right to Acquire Actual Shares Common Stock (3,685) $9.39 · 3,685 Acquired
May 17, 2004 SCHW Non-Qualified Stock Options (right to buy) Common Stock (5,000) $9.50 May 17, 2014 5,000 Acquired
April 1, 2004 SCHW Right to Acquire Actual Shares Common Stock (3,288) $11.83 · 3,288 Acquired
Jan. 5, 2004 SCHW Right to Acquire Actual Shares Common Stock (2,921) $12.05 · 2,921 Acquired
Oct. 7, 2003 SCHW Right to Acquire Actual Shares Common Stock (1,731) $13.29 · 1,731 Acquired
Aug. 19, 2003 JNJ Employee Stock Option (Right to Buy) [F4] Common (36,000) · Dec. 2, 2003 36,000 Disposed

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

Initial ownership (Form 3) 3 holdings

07

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

DateTickerSecuritySharesOwnership
Feb. 5, 2007 MDGL Common Stock 193,084 Direct
Feb. 5, 2007 MDGL Series A Convertible Preferred Stock→ Common Stock · Direct
Feb. 5, 2007 MDGL Director Stock Option (Right to Buy)→ Common Stock · Direct