John K Dieker

CIK 1230857 · View on SEC EDGAR ↗

Insider

First SEC filing: Dec. 28, 2005 · Latest: Dec. 28, 2005

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 32 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

32 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Dec. 29, 2010 GEF S 1,000 $63.13 $63,130 6,586 Direct -13.18% Disposed 39.1% (price as of 2026-08-20)
Sept. 17, 2010 GEF S 3,000 $59.90 $179,700 7,102 Direct -29.70% Disposed 46.6% (price as of 2026-08-20)
Sept. 29, 2009 GEF S 3,000 $55.18 $165,540 4,414 Direct -40.46% Disposed 59.1% (price as of 2026-08-20)
April 2, 2008 GEF S 6,000 $70.00 $420,000 1,331 Direct -81.84% Disposed 25.4% (price as of 2026-08-20)
June 21, 2007 GEF S 6,000 $60.02 $360,120 646 Direct -90.28% Disposed 46.3% (price as of 2026-08-20)
Jan. 3, 2007 GEF S 1,500 $118.20 $177,300 0 Direct -100.00% Disposed 48.6% (price as of 2026-08-20)
Dec. 12, 2006 GEF S 2,000 $115.50 $231,000 1,500 Direct -57.14% Disposed 52.1% (price as of 2026-08-20)
Dec. 12, 2006 GEF S 2,500 $115.29 $288,225 3,500 Direct -41.67% Disposed 52.3% (price as of 2026-08-20)
April 7, 2005 GEF S 1,000 $75.26 $75,260 1,000 Direct -50.00% Disposed 133.4% (price as of 2026-08-20)
April 7, 2005 GEF S 1,000 $75.05 $75,050 0 Direct -100.00% Disposed 134.0% (price as of 2026-08-20)
Dec. 23, 2004 GEF S 2,000 $55.77 $111,540 0 Direct -100.00% Disposed 214.9% (price as of 2026-08-20)
June 23, 2004 GEF S 700 $40.00 $28,000 200 Direct -77.78% Disposed 339.1% (price as of 2026-08-20)

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
Sept. 17, 2010 GEF Class A Common Stock Options Class A Common Stock (3,000) $15.30 Sept. 5, 2011 3,000 Disposed
Dec. 15, 2009 GEF Class A Common Stock Options Class A Common Stock (1,000) $12.72 Sept. 9, 2013 1,000 Disposed
Sept. 29, 2009 GEF Class A Common Stock Options Class A Common Stock (3,000) $15.30 Sept. 5, 2011 3,000 Disposed
April 2, 2008 GEF Class A Common Stock Options Class A Common Stock (6,000) $15.30 Sept. 5, 2011 6,000 Disposed
June 21, 2007 GEF Class A Common Stock Options Class A Common Stock (6,000) $14.59 Sept. 6, 2010 6,000 Disposed
Dec. 12, 2006 GEF Class A Common Stock Options Class A Common Stock (2,500) $26.20 Sept. 5, 2012 2,500 Disposed
Dec. 27, 2005 GEF Class A Common Stock Options Class A Common Stock (1,500) $26.20 Sept. 5, 2012 1,500 Disposed
June 13, 2005 GEF Class A Common Stock Options Class A Common Stock (2,000) $26.20 Sept. 5, 2012 2,000 Disposed
April 7, 2005 GEF Class A Common Stock Options Class A Common Stock (1,000) $31.75 Sept. 2, 2008 1,000 Disposed
April 7, 2005 GEF Class A Common Stock Options Class A Common Stock (1,000) $24.25 Sept. 1, 2009 1,000 Disposed
Dec. 23, 2004 GEF Class A Common Stock Class A Common Stock (2,000) $30.00 Sept. 3, 2007 2,000 Disposed
Dec. 6, 2004 GEF Class A Common Stock Options (Right to Buy) Class A Common Stock (1,500) $48.13 Dec. 6, 2014 1,500 Acquired
June 23, 2004 GEF Class A Common Stock Class A Common Stock (700) $29.62 Sept. 5, 2006 700 Disposed
Sept. 9, 2003 GEF Class A Common Stock Options (Right to Buy) Class A Common Stock (1,500) $25.43 Sept. 9, 2013 1,500 Acquired

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