Michelle M Plummer
First SEC filing: June 15, 2026 · Latest: June 15, 2026
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 11, 2026 | GCBC | S | 10,000 | $28.77 | $287,700 | 99,560 Direct | -9.13% | Disposed | 19.3% (price as of 2026-10-05) |
| June 18, 2024 | GCBC | S | 8,966 | $30.56 | $274,001 | 109,560 Direct | -7.56% | Disposed | 12.3% (price as of 2026-10-05) |
| June 17, 2024 | GCBC | S | 200 | $30.40 | $6,080 | 118,526 Direct | -0.17% | Disposed | 12.9% (price as of 2026-10-05) |
| June 13, 2024 | GCBC | S | 3,154 | $30.32 | $95,629 | 118,726 Direct | -2.59% | Disposed | 13.2% (price as of 2026-10-05) |
| June 7, 2023 | GCBC | S | 10,000 | $28.35 | $283,500 | 121,880 Direct | -7.58% | Disposed | 21.1% (price as of 2026-10-05) |
| June 8, 2018 | GCBC | M | 12,570 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 8, 2018 | GCBC | M | 12,570 | $6.25 | $78,562 | 65,940 Direct | +23.55% | Acquired | 998.6% (price as of 2026-10-05) |
| June 8, 2018 | GCBC | F | 2,570 | $29.95 | $76,972 | 53,370 Direct | -4.59% | Disposed | 129.2% (price as of 2026-10-05) |
| June 8, 2018 | GCBC | M | 12,570 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| June 8, 2018 | GCBC | M | 12,570 | $6.25 | $78,562 | 65,940 Direct | +23.55% | Acquired | 998.6% (price as of 2026-10-05) |
| June 8, 2018 | GCBC | F | 2,570 | $29.95 | $76,972 | 53,370 Direct | -4.59% | Disposed | 129.2% (price as of 2026-10-05) |
| Feb. 22, 2018 | GCBC | M | 12,000 | $6.25 | $75,000 | 56,140 Direct | +27.19% | Acquired | 998.6% (price as of 2026-10-05) |
| Feb. 2, 2018 | GCBC | M | 12,000 | · | · | 12,570 Direct | -48.84% | Disposed | (price as of 2026-10-05) |
| Dec. 20, 2016 | GCBC | M | 10,000 | · | · | 24,570 Direct | -28.93% | Disposed | (price as of 2026-10-05) |
| Dec. 20, 2016 | GCBC | M | 10,000 | $6.25 | $62,500 | 44,140 Direct | +29.29% | Acquired | 998.6% (price as of 2026-10-05) |
| March 15, 2016 | GCBC | S | 500 | $35.00 | $17,500 | 17,070 Direct | -2.85% | Disposed | 292.3% (price as of 2026-10-05) |
| March 3, 2016 | GCBC | S | 1,900 | $35.00 | $66,500 | 17,570 Direct | -9.76% | Disposed | 292.3% (price as of 2026-10-05) |
| Dec. 18, 2015 | GCBC | M | 3,000 | · | · | 17,285 Direct | -14.79% | Disposed | (price as of 2026-10-05) |
| Dec. 18, 2015 | GCBC | M | 3,000 | $12.50 | $37,500 | 19,470 Direct | +18.21% | Acquired | 998.6% (price as of 2026-10-05) |
| Dec. 19, 2014 | GCBC | M | 2,000 | · | · | 20,285 Direct | -8.97% | Disposed | (price as of 2026-10-05) |
| Dec. 19, 2014 | GCBC | M | 2,000 | $12.50 | $25,000 | 16,470 Direct | +13.82% | Acquired | 998.6% (price as of 2026-10-05) |
| Dec. 17, 2013 | GCBC | M | 715 | · | · | 22,285 Direct | -3.11% | Disposed | (price as of 2026-10-05) |
| Dec. 17, 2013 | GCBC | S | 715 | $26.00 | $18,590 | 15,350 Direct | -4.45% | Disposed | 428.2% (price as of 2026-10-05) |
| Dec. 17, 2013 | GCBC | M | 715 | $12.50 | $8,938 | 16,015 Direct | +4.67% | Acquired | 998.6% (price as of 2026-10-05) |
| Dec. 16, 2013 | GCBC | M | 1,000 | · | · | 23,000 Direct | -4.17% | Disposed | (price as of 2026-10-05) |
| Dec. 16, 2013 | GCBC | S | 1,000 | $26.00 | $26,000 | 15,350 Direct | -6.12% | Disposed | 428.2% (price as of 2026-10-05) |
| Dec. 16, 2013 | GCBC | M | 1,000 | $12.50 | $12,500 | 16,350 Direct | +6.51% | Acquired | 998.6% (price as of 2026-10-05) |
| Feb. 26, 2010 | GCBC | M | 4,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Feb. 26, 2010 | GCBC | M | 4,000 | $3.94 | $15,760 | 14,470 Direct | +38.20% | Acquired | 3385.3% (price as of 2026-10-05) |
| Feb. 26, 2010 | GCBC | F | 1,050 | $15.00 | $15,750 | 10,470 Direct | -9.11% | Disposed | 815.5% (price as of 2026-10-05) |
| Dec. 22, 2009 | GCBC | M | 5,000 | · | · | 4,000 Direct | -55.56% | Disposed | (price as of 2026-10-05) |
| Dec. 22, 2009 | GCBC | M | 5,000 | $3.94 | $19,700 | 11,520 Direct | +76.69% | Acquired | 3385.3% (price as of 2026-10-05) |
| Dec. 22, 2009 | GCBC | F | 1,080 | $14.59 | $15,757 | 6,520 Direct | -14.21% | Disposed | 841.2% (price as of 2026-10-05) |
| Aug. 19, 2008 | GCBC | A | 24,000 | · | · | 24,000 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 5, 2007 | GCBC | M | 3,000 | · | · | 9,000 Direct | -25.00% | Disposed | (price as of 2026-10-05) |
| Dec. 5, 2007 | GCBC | M | 3,000 | $3.94 | $11,820 | 12,632 Direct | +31.15% | Acquired | 3385.3% (price as of 2026-10-05) |
| Dec. 5, 2007 | GCBC | S | 1,000 | $13.00 | $13,000 | 9,632 Direct | -9.41% | Disposed | 956.3% (price as of 2026-10-05) |
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 |
|---|---|---|---|---|---|---|---|
| June 8, 2018 | GCBC | Stock Options | Common Stock | $6.25 | Aug. 19, 2018 | 12,570 | Disposed |
| June 8, 2018 | GCBC | Stock Options | Common Stock | $6.25 | Aug. 19, 2018 | 12,570 | Disposed |
| Feb. 2, 2018 | GCBC | Stock Options | Common Stock | $6.25 | Aug. 19, 2018 | 12,000 | Disposed |
| Dec. 20, 2016 | GCBC | Stock Options | Common Stock | $6.25 | Aug. 19, 2018 | 10,000 | Disposed |
| Dec. 18, 2015 | GCBC | Stock Options | Common Stock | $12.50 | Aug. 19, 2018 | 3,000 | Disposed |
| Dec. 19, 2014 | GCBC | Stock Options | Common Stock | $12.50 | Aug. 19, 2018 | 2,000 | Disposed |
| Dec. 17, 2013 | GCBC | Stock Options | Common Stock | $12.50 | Aug. 19, 2018 | 715 | Disposed |
| Dec. 16, 2013 | GCBC | Stock Options | Common Stock | $12.50 | Aug. 19, 2018 | 1,000 | Disposed |
| Feb. 26, 2010 | GCBC | Stock Options | Common Stock | $3.94 | March 28, 2010 | 4,000 | Disposed |
| Dec. 22, 2009 | GCBC | Stock Options | Common Stock | $3.94 | March 28, 2010 | 5,000 | Disposed |
| Aug. 19, 2008 | GCBC | Stock Options | Common Stock | $12.50 | Aug. 19, 2018 | 24,000 | Acquired |
| Dec. 5, 2007 | GCBC | Stock Options | Common Stock | $3.94 | March 28, 2010 | 3,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2013 | $199,800 | $85,500 | · | · | · | · | $34,200 | $319,500 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.