Arlyn J Lanting

CIK 1238424 · View on SEC EDGAR ↗

Insider

First SEC filing: Jan. 31, 2012 · Latest: Jan. 31, 2012

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 50 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

50 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 13, 2011 GNTX S 41,100 $31.46 $1,293,006 250,150 Indirect -14.11% Disposed 49.8% (price as of 2026-08-20)
Jan. 31, 2011 GNTX S 13,150 $31.77 $417,776 300,100 Indirect -4.20% Disposed 48.3% (price as of 2026-08-20)
Dec. 10, 2010 GNTX S 46,000 $28.76 $1,322,960 0 Direct -100.00% Disposed 63.8% (price as of 2026-08-20)
March 8, 2010 GNTX S 50,000 $20.32 $1,016,000 303,250 Indirect -14.15% Disposed 131.9% (price as of 2026-08-20)
May 23, 2006 GNTX S 40,000 $14.91 $596,400 232,000 Direct -14.71% Disposed 216.0% (price as of 2026-08-20)
March 14, 2006 GNTX S 40,000 $16.93 $677,200 232,000 Direct -14.71% Disposed 178.3% (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
May 16, 2013 GNTX Non-Employee Director Stock Option Grant Common Stock (6,000) $24.73 May 16, 2023 6,000 Acquired
May 17, 2012 GNTX Non-Employee Director Stock Option Grant Common Stock (6,000) $22.39 May 17, 2022 6,000 Acquired
May 12, 2011 GNTX Non-Employee Director Stock Option Grant Common Stock (6,000) $31.71 May 12, 2021 6,000 Acquired
Dec. 10, 2010 GNTX Non-Employee Director Stock Option Grant Common Stock (12,000) $18.04 May 13, 2014 12,000 Disposed
Dec. 10, 2010 GNTX Non-Employee Director Stock Option Grant Common Stock (12,000) $15.92 May 14, 2013 12,000 Disposed
Dec. 10, 2010 GNTX Non-Employee Director Stock Option Grant Common Stock (12,000) $15.94 May 9, 2012 12,000 Disposed
Dec. 10, 2010 GNTX Non-Employee Director Stock Option Grant Common Stock (10,000) $13.70 May 16, 2011 10,000 Disposed
May 13, 2010 GNTX Non-Employee Director Stock Option Grant Common Stock (6,000) $21.12 May 13, 2020 6,000 Acquired
May 10, 2010 GNTX Non-Employee Director Stock Option Grant Common Stock (10,000) $15.41 May 18, 2010 10,000 Disposed
May 14, 2009 GNTX Non-Employee Director Stock Option Grant Common Stock (6,000) $11.09 May 14, 2019 6,000 Acquired
May 15, 2008 GNTX Non-Employee Director Stock Option Grant Common Stock (6,000) $19.34 May 15, 2018 6,000 Acquired
May 5, 2008 GNTX Non-Employee Director Stock Option Grant Common Stock (20,000) $8.73 May 21, 2008 20,000 Disposed
May 10, 2007 GNTX Non-Employee Director Stock Option Grant Common Stock (6,000) $18.41 May 10, 2017 6,000 Acquired
May 9, 2007 GNTX Non-Employee Director Stock Option Grant Common Stock (10,000) $4.66 May 15, 2007 10,000 Disposed
April 30, 2007 GNTX Non-Employee Director Stock Option Grant Common Stock (10,000) $4.66 May 15, 2007 10,000 Disposed
May 11, 2006 GNTX Non-Employee Director Stock Option Grant Common Stock (6,000) $14.76 May 11, 2016 6,000 Acquired
May 1, 2006 GNTX Non-Employee Director Stock Option Grant Common Stock (40,000) $4.59 May 9, 2006 40,000 Disposed
May 12, 2005 GNTX Non-Employee Director Stock Option Grant Common Stock (6,000) $17.71 May 12, 2015 6,000 Acquired
May 6, 2005 GNTX Non-Employee Director Stock Option Grant Common Stock (10,000) $4.94 May 11, 2005 10,000 Disposed
May 6, 2005 GNTX Non-Employee Director Stock Option Grant Common Stock (10,000) $4.94 May 11, 2005 10,000 Disposed
May 6, 2005 GNTX Non-Employee Director Stock Option Grant Common Stock (10,000) $4.94 May 11, 2005 10,000 Disposed
May 13, 2004 GNTX Non-Employee Director Stock Option Grant Common Stock (6,000) $36.07 May 13, 2014 6,000 Acquired
April 29, 2004 GNTX Non-Employee Director Stock Option Grant Common Stock (10,000) $4.94 May 11, 2005 10,000 Disposed
April 29, 2004 GNTX Non-Employee Director Stock Option Grant Common Stock (10,000) $6.75 May 15, 2004 10,000 Disposed
April 28, 2004 GNTX Non-Employee Director Stock Option Grant Common Stock (10,000) $6.75 May 12, 2004 10,000 Disposed

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