John F Potter

CIK 1183775 · View on SEC EDGAR ↗

Insider

First SEC filing: Aug. 23, 2018 · Latest: Aug. 23, 2018

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 75 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

75 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 21, 2018 CHMG S 1,000 $42.70 $42,700 80,875 Direct -1.22% Disposed 95.2% (price as of 2026-08-21)
Feb. 6, 2015 CHMG P 700 $27.75 $19,425 43,468 Direct +1.64% Acquired 200.3% (price as of 2026-08-21)
Sept. 5, 2014 CHMG P 350 $28.40 $9,940 8,748 Indirect +4.17% Acquired 193.5% (price as of 2026-08-21)
Sept. 5, 2014 CHMG P 400 $28.21 $11,284 8,798 Indirect +4.76% Acquired 195.4% (price as of 2026-08-21)
Sept. 2, 2014 CHMG P 400 $28.21 $11,284 41,764 Direct +0.97% Acquired 195.4% (price as of 2026-08-21)
Aug. 28, 2014 CHMG P 400 $28.21 $11,284 41,364 Direct +0.98% Acquired 195.4% (price as of 2026-08-21)
May 7, 2014 CHMG P 375 $27.69 $10,384 8,338 Indirect +4.71% Acquired 201.0% (price as of 2026-08-21)
May 6, 2014 CHMG P 300 $27.75 $8,325 8,038 Indirect +3.88% Acquired 200.3% (price as of 2026-08-21)
Feb. 20, 2014 CHMG P 100 $28.80 $2,880 40,264 Direct +0.25% Acquired 189.4% (price as of 2026-08-21)
Feb. 14, 2014 CHMG P 1,200 $28.83 $34,596 40,164 Direct +3.08% Acquired 189.1% (price as of 2026-08-21)
Aug. 20, 2013 CHMG P 625 $31.40 $19,625 7,566 Indirect +9.00% Acquired 165.4% (price as of 2026-08-21)
Sept. 18, 2012 CHMG P 2,400 $23.55 $56,520 36,914 Direct +6.95% Acquired 253.9% (price as of 2026-08-21)
Dec. 6, 2011 CHMG P 1,800 $23.50 $42,300 32,960 Direct +5.78% Acquired 254.6% (price as of 2026-08-21)
Dec. 5, 2011 CHMG P 200 $23.05 $4,610 32,760 Direct +0.61% Acquired 261.6% (price as of 2026-08-21)
Sept. 7, 2010 CHMG P 1,000 $21.22 $21,220 7,182 Indirect +16.18% Acquired 292.7% (price as of 2026-08-21)
Aug. 3, 2010 CHMG S 1,000 $21.13 $21,130 0 Indirect -100.00% Disposed 294.4% (price as of 2026-08-21)
Aug. 3, 2010 CHMG P 1,000 $21.13 $21,130 6,182 Indirect +19.30% Acquired 294.4% (price as of 2026-08-21)
Aug. 20, 2009 CHMG S 17,847 $19.60 $349,801 1,000 Indirect -94.69% Disposed 325.2% (price as of 2026-08-21)
Aug. 20, 2009 CHMG P 5,000 $19.60 $98,000 5,000 Indirect — Acquired 325.2% (price as of 2026-08-21)
Aug. 20, 2009 CHMG P 12,847 $19.60 $251,801 26,792 Direct +92.13% Acquired 325.2% (price as of 2026-08-21)
Aug. 20, 2009 CHMG S 17,847 $19.60 $349,801 1,000 Indirect -94.69% Disposed 325.2% (price as of 2026-08-21)
Aug. 20, 2009 CHMG P 5,000 $19.60 $98,000 5,000 Indirect — Acquired 325.2% (price as of 2026-08-21)
Aug. 20, 2009 CHMG P 12,847 $19.60 $251,801 25,792 Direct +99.24% Acquired 325.2% (price as of 2026-08-21)
Nov. 20, 2008 CHMG P 1,000 $23.00 $23,000 18,181 Indirect +5.82% Acquired 262.3% (price as of 2026-08-21)
Nov. 20, 2008 CHMG P 1,000 $23.00 $23,000 12,663 Direct +8.57% Acquired 262.3% (price as of 2026-08-21)

Showing latest 100 of 107 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
May 11, 2018 CHMG PHANTOM STOCK COMMON STOCK (34,188) — May 11, 2018 34,188 Disposed
April 2, 2018 CHMG PHANTOM STOCK COMMON STOCK (340) — — 340 Acquired
Jan. 2, 2018 CHMG PHANTOM STOCK COMMON STOCK (306) — — 306 Acquired
Oct. 2, 2017 CHMG PHANTOM STOCK COMMON STOCK (284) — — 284 Acquired
July 3, 2017 CHMG PHANTOM STOCK COMMON STOCK (368) — — 368 Acquired
April 3, 2017 CHMG PHANTOM STOCK COMMON STOCK (338) — — 338 Acquired
Jan. 3, 2017 CHMG PHANTOM STOCK COMMON STOCK (403) — — 403 Acquired
Oct. 3, 2016 CHMG PHANTOM STOCK COMMON STOCK (456) — — 456 Acquired
July 1, 2016 CHMG PHANTOM STOCK COMMON STOCK (471) — — 471 Acquired
April 1, 2016 CHMG PHANTOM STOCK COMMON STOCK (457) — — 457 Acquired
Jan. 4, 2016 CHMG PHANTOM STOCK COMMON STOCK (226) — — 226 Acquired
Oct. 1, 2015 CHMG PHANTOM STOCK COMMON STOCK (174) — — 174 Acquired
July 1, 2015 CHMG PHANTOM STOCK COMMON STOCK (212) — — 212 Acquired
April 1, 2015 CHMG PHANTOM STOCK COMMON STOCK (186) — — 186 Acquired
Jan. 2, 2015 CHMG PHANTOM STOCK COMMON STOCK (176) — — 176 Acquired
Oct. 1, 2014 CHMG Phantom Stock Common Stock (188) — — 188 Acquired
July 1, 2014 CHMG Phantom Stock Common Stock (162) — — 162 Acquired
April 1, 2014 CHMG Phantom Stock Common Stock (143) — — 143 Acquired
Jan. 2, 2014 CHMG Phantom Stock Common Stock (162) — — 162 Acquired
Oct. 1, 2013 CHMG Phantom Stock Common Stock (134) — — 134 Acquired
July 1, 2013 CHMG Phantom Stock Common Stock (199) — — 199 Acquired
April 1, 2013 CHMG Phantom Stock Common Stock (164) — — 164 Acquired
Dec. 31, 2012 CHMG Phantom Stock Common Stock (127) — — 127 Acquired
Dec. 31, 2012 CHMG Phantom Stock Common Stock (127) — — 127 Acquired
Dec. 31, 2012 CHMG Phantom Stock Common Stock (127) — — 127 Acquired
Oct. 1, 2012 CHMG Phantom Stock Common Stock (181) — — 181 Acquired
July 2, 2012 CHMG Phantom Stock Common Stock (136) — — 136 Acquired
April 2, 2012 CHMG Phantom Stock Common Stock (125) — — 125 Acquired
Jan. 3, 2012 CHMG Phantom Stock Common Stock (168) — — 168 Acquired
Oct. 3, 2011 CHMG Phantom Stock Common Stock (141) — — 141 Acquired
July 1, 2011 CHMG Phantom Stock Common Stock (180) — — 180 Acquired
April 1, 2011 CHMG Phantom Stock Common Stock (135) — — 135 Acquired
Jan. 3, 2011 CHMG Phantom Stock Common Stock (185) — — 185 Acquired
Oct. 1, 2010 CHMG Phantom Stock Common Stock (180) — — 180 Acquired
July 1, 2010 CHMG Phantom Stock Common Stock (415) — — 415 Acquired
April 1, 2010 CHMG Phantom Stock Common Stock (186) — — 186 Acquired
April 1, 2010 CHMG Phantom Stock Common Stock (186) — — 186 Acquired
Jan. 4, 2010 CHMG Phantom Stock Common Stock (166) — — 166 Acquired
Oct. 1, 2009 CHMG Phantom Stock Common Stock (145) — — 145 Acquired
July 1, 2009 CHMG Phantom Stock Common Stock (220) — — 220 Acquired
July 1, 2009 CHMG Phantom Stock Common Stock (220) — — 220 Acquired
April 1, 2009 CHMG Phantom Stock Common Stock (239) — — 239 Acquired
Dec. 31, 2008 CHMG Phantom Stock Common Stock (232) — — 232 Acquired
Sept. 30, 2008 CHMG Phantom Stock Common Stock (138) — — 138 Acquired
July 1, 2008 CHMG Phantom Stock Common Stock (148) — — 148 Acquired
April 1, 2008 CHMG Phantom Stock Common Stock (175) — — 175 Acquired
Dec. 31, 2007 CHMG Phantom Stock Common Stock (173) — — 173 Acquired
Sept. 28, 2007 CHMG Phantom Stock Common Stock (167) — — 167 Acquired
June 29, 2007 CHMG Phantom Stock Common Stock (148) — — 148 Acquired
March 30, 2007 CHMG Phantom Stock Common Stock (120) — — 120 Acquired
Dec. 29, 2006 CHMG Phantom Stock Common Stock (125) — — 125 Acquired
Sept. 29, 2006 CHMG Phantom Stock Common Stock (143) — — 143 Acquired
June 30, 2006 CHMG Phantom Stock Common Stock (107) — — 161 Acquired
March 31, 2006 CHMG Phantom Stock Common Stock (106) — — 106 Acquired
March 31, 2006 CHMG Phantom Stock Common Stock (106) — — 106 Acquired
Dec. 30, 2005 CHMG Phantom Stock Common Stock (164) — — 164 Acquired
Sept. 30, 2005 CHMG Phantom Stock Common Stock (131) — — 131 Acquired
June 30, 2005 CHMG Phantom Stock Common Stock (118) — — 118 Acquired
March 31, 2005 CHMG Phantom Stock Common Stock (108) — — 108 Acquired
Dec. 31, 2004 CHMG Phantom Stock Common Stock (135) — — 135 Acquired
Sept. 30, 2004 CHMG Phantom Stock Common Stock (124) — — 124 Acquired
June 30, 2004 CHMG Phantom Stock Common Stock (142) — — 142 Acquired
March 31, 2004 CHMG Phantom Stock Common Stock (99) — — 99 Acquired
Dec. 31, 2003 CHMG Phantom Stock Common Stock (123) — — 123 Acquired
Sept. 30, 2003 CHMG Phantom Stock Common Stock (121) — — 121 Acquired

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