Insider at

04

Insider transactions

05
0 buys (P) 0 sells (S) Net: $0 + 47 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

No open-market trades on record; showing all filings.

DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
March 31, 2020 CHMG A 169 $27.00 $4,563 3,668 Direct +4.83% Acquired 203.4% (price as of 2026-10-02)
Jan. 16, 2020 CHMG A 374 $40.89 $15,293 5,490 Direct +7.31% Acquired 100.4% (price as of 2026-10-02)
Jan. 15, 2020 CHMG A 374 $40.89 $15,293 5,490 Direct +7.31% Acquired 100.4% (price as of 2026-10-02)
Jan. 2, 2020 CHMG A 134 $42.07 $5,637 3,499 Direct +3.98% Acquired 94.7% (price as of 2026-10-02)
Oct. 1, 2019 CHMG A 108 $42.00 $4,536 3,365 Direct +3.32% Acquired 95.1% (price as of 2026-10-02)
July 1, 2019 CHMG A 108 $48.65 $5,254 3,258 Direct +3.43% Acquired 68.4% (price as of 2026-10-02)
April 1, 2019 CHMG A 103 $48.11 $4,955 3,149 Direct +3.38% Acquired 70.3% (price as of 2026-10-02)
Jan. 9, 2019 CHMG A 391 $42.20 $16,500 4,978 Direct +8.52% Acquired 94.1% (price as of 2026-10-02)
Jan. 9, 2019 CHMG A 391 $40.20 $15,718 4,978 Direct +8.52% Acquired 103.8% (price as of 2026-10-02)
Jan. 2, 2019 CHMG A 98 $41.91 $4,107 3,046 Direct +3.32% Acquired 95.5% (price as of 2026-10-02)
Oct. 1, 2018 CHMG A 104 $42.75 $4,446 · Direct · Acquired 91.6% (price as of 2026-10-02)
July 2, 2018 CHMG A 65 $49.49 $3,217 2,844 Direct +2.34% Acquired 65.5% (price as of 2026-10-02)
April 2, 2018 CHMG A 78 $46.43 $3,622 2,779 Direct +2.89% Acquired 76.5% (price as of 2026-10-02)
Jan. 4, 2018 CHMG A 340 $50.10 $17,034 4,481 Direct +8.21% Acquired 63.5% (price as of 2026-10-02)
Jan. 2, 2018 CHMG A 90 $49.26 $4,433 2,701 Direct +3.45% Acquired 66.3% (price as of 2026-10-02)
Oct. 2, 2017 CHMG A 76 $45.90 $3,488 2,611 Direct +3.00% Acquired 78.5% (price as of 2026-10-02)
July 3, 2017 CHMG A 96 $41.37 $3,972 2,534 Direct +3.94% Acquired 98.0% (price as of 2026-10-02)
April 3, 2017 CHMG A 89 $39.90 $3,551 2,438 Direct +3.79% Acquired 105.3% (price as of 2026-10-02)
Jan. 11, 2017 CHMG A 531 $34.15 $18,134 4,071 Direct +15.00% Acquired 139.9% (price as of 2026-10-02)
Jan. 3, 2017 CHMG A 107 $35.50 $3,798 2,349 Direct +4.77% Acquired 130.8% (price as of 2026-10-02)
Oct. 3, 2016 CHMG A 159 $29.12 $4,630 2,241 Direct +7.64% Acquired 181.4% (price as of 2026-10-02)
July 1, 2016 CHMG A 125 $29.38 $3,672 2,082 Direct +6.39% Acquired 178.9% (price as of 2026-10-02)
April 1, 2016 CHMG A 138 $26.20 $3,616 1,958 Direct +7.58% Acquired 212.7% (price as of 2026-10-02)
Jan. 8, 2016 CHMG A 579 $27.47 $15,905 3,403 Direct +20.50% Acquired 198.3% (price as of 2026-10-02)
Jan. 4, 2016 CHMG A 131 $27.50 $3,602 1,819 Direct +7.76% Acquired 197.9% (price as of 2026-10-02)
Oct. 1, 2015 CHMG A 95 $28.03 $2,663 1,689 Direct +5.96% Acquired 192.3% (price as of 2026-10-02)
July 1, 2015 CHMG A 118 $26.48 $3,125 1,594 Direct +7.99% Acquired 209.4% (price as of 2026-10-02)
April 1, 2015 CHMG A 121 $28.30 $3,424 1,460 Direct +9.04% Acquired 189.5% (price as of 2026-10-02)
Jan. 15, 2015 CHMG A 582 $28.05 $16,325 2,735 Direct +27.03% Acquired 192.1% (price as of 2026-10-02)
Jan. 2, 2015 CHMG A 102 $27.66 $2,821 1,324 Direct +8.35% Acquired 196.2% (price as of 2026-10-02)
Oct. 1, 2014 CHMG A 101 $28.09 $2,837 1,209 Direct +9.12% Acquired 191.7% (price as of 2026-10-02)
July 1, 2014 CHMG A 116 $29.54 $3,427 1,097 Direct +11.82% Acquired 177.4% (price as of 2026-10-02)
April 1, 2014 CHMG A 115 $27.12 $3,119 972 Direct +13.42% Acquired 202.1% (price as of 2026-10-02)
Jan. 16, 2014 CHMG A 550 $32.56 $17,908 2,083 Direct +35.88% Acquired 151.6% (price as of 2026-10-02)
Jan. 2, 2014 CHMG A 102 $33.80 $3,448 847 Direct +13.69% Acquired 142.4% (price as of 2026-10-02)
Oct. 1, 2013 CHMG A 91 $34.25 $3,117 739 Direct +14.04% Acquired 139.2% (price as of 2026-10-02)
July 1, 2013 CHMG A 102 $33.49 $3,416 642 Direct +18.89% Acquired 144.6% (price as of 2026-10-02)
April 1, 2013 CHMG A 102 $33.50 $3,417 535 Direct +23.56% Acquired 144.6% (price as of 2026-10-02)
Jan. 10, 2013 CHMG A 533 $27.25 $14,524 1,491 Direct +55.64% Acquired 200.7% (price as of 2026-10-02)
Jan. 10, 2013 CHMG A 488 $29.73 $14,508 1,446 Direct +50.94% Acquired 175.6% (price as of 2026-10-02)
Dec. 31, 2012 CHMG A 88 $29.73 $2,616 428 Direct +25.88% Acquired 175.6% (price as of 2026-10-02)
Dec. 31, 2012 CHMG A 88 $29.73 $2,616 428 Direct +25.88% Acquired 175.6% (price as of 2026-10-02)
Dec. 31, 2012 CHMG A 88 $29.73 $2,616 428 Direct +25.88% Acquired 175.6% (price as of 2026-10-02)
Oct. 1, 2012 CHMG A 117 $24.13 $2,823 337 Direct +53.18% Acquired 239.5% (price as of 2026-10-02)
July 2, 2012 CHMG A 102 $25.50 $2,601 216 Direct +89.47% Acquired 221.3% (price as of 2026-10-02)
April 2, 2012 CHMG A 111 $25.50 $2,830 112 Direct +11100.00% Acquired 221.3% (price as of 2026-10-02)
Jan. 9, 2012 CHMG A 445 $22.75 $10,124 945 Direct +89.00% Acquired 260.1% (price as of 2026-10-02)

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
March 31, 2020 CHMG PHANTOM STOCK COMMON STOCK (169) · · 169 Acquired
Jan. 2, 2020 CHMG PHANTOM STOCK COMMON STOCK (134) · · 134 Acquired
Oct. 1, 2019 CHMG PHANTOM STOCK COMMON STOCK (108) · · 108 Acquired
July 1, 2019 CHMG PHANTOM STOCK COMMON STOCK (108) · · 108 Acquired
April 1, 2019 CHMG PHANTOM STOCK COMMON STOCK (103) · · 103 Acquired
Jan. 2, 2019 CHMG PHANTOM STOCK COMMON STOCK (98) · · 98 Acquired
Oct. 1, 2018 CHMG PHANTOM STOCK COMMON STOCK (104) · · 104 Acquired
July 2, 2018 CHMG PHANTOM STOCK COMMON STOCK (65) · · 65 Acquired
April 2, 2018 CHMG PHANTOM STOCK COMMON STOCK (78) · · 78 Acquired
Jan. 2, 2018 CHMG PHANTOM STOCK COMMON STOCK (90) · · 90 Acquired
Oct. 2, 2017 CHMG PHANTOM STOCK COMMON STOCK (76) · · 76 Acquired
July 3, 2017 CHMG PHANTOM STOCK COMMON STOCK (96) · · 96 Acquired
April 3, 2017 CHMG PHANTOM STOCK COMMON STOCK (89) · · 89 Acquired
Jan. 3, 2017 CHMG PHANTOM STOCK COMMON STOCK (107) · · 107 Acquired
Oct. 3, 2016 CHMG PHANTOM STOCK COMMON STOCK (159) · · 159 Acquired
July 1, 2016 CHMG PHANTOM STOCK COMMON STOCK (125) · · 125 Acquired
April 1, 2016 CHMG PHANTOM STOCK COMMON STOCK (138) · · 138 Acquired
Jan. 4, 2016 CHMG PHANTOM STOCK COMMON STOCK (131) · · 131 Acquired
Oct. 1, 2015 CHMG PHANTOM STOCK COMMON STOCK (95) · · 95 Acquired
July 1, 2015 CHMG PHANTOM STOCK COMMON STOCK (118) · · 118 Acquired
April 1, 2015 CHMG PHANTOM STOCK COMMON STOCK (121) · · 121 Acquired
Jan. 2, 2015 CHMG PHANTOM STOCK COMMON STOCK (102) · · 102 Acquired
Oct. 1, 2014 CHMG Phantom Stock Common Stock (101) · · 101 Acquired
July 1, 2014 CHMG Phantom Stock Common Stock (116) · · 116 Acquired
April 1, 2014 CHMG Phantom Stock Common Stock (115) · · 115 Acquired
Jan. 2, 2014 CHMG Phantom Stock Common Stock (102) · · 102 Acquired
Oct. 1, 2013 CHMG Phantom Stock Common Stock (91) · · 91 Acquired
July 1, 2013 CHMG Phantom Stock Common Stock (102) · · 102 Acquired
April 1, 2013 CHMG Phantom Stock Common Stock (102) · · 102 Acquired
Dec. 31, 2012 CHMG Phantom Stock Common Stock (88) · · 88 Acquired
Dec. 31, 2012 CHMG Phantom Stock Common Stock (88) · · 88 Acquired
Dec. 31, 2012 CHMG Phantom Stock Common Stock (88) · · 88 Acquired
Oct. 1, 2012 CHMG Phantom Stock Common Stock (117) · · 117 Acquired
July 2, 2012 CHMG Phantom Stock Common Stock (102) · · 102 Acquired
April 2, 2012 CHMG Phantom Stock Common Stock (111) · · 111 Acquired

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

Initial ownership (Form 3) 1 holding

07

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

DateTickerSecuritySharesOwnership
March 22, 2011 CHMG Common Stock 500 Direct