William Griffith's Net Worth

Estimate Recalculated Oct 3, 2025 08:07PM EST

Who is William Griffith

William Griffith does not have any significant net worth to report based on the numbers we have. This is based on reported shares across multiple companies, which include NETFLIX INC, Interactive Brokers Group, Inc., HOMEAWAY INC, RiskMetrics Group Inc, GREEN DOT CORP, K12 INC, MARKETAXESS HOLDINGS INC, TechTarget Inc, XATA CORP /MN/, PENSON WORLDWIDE INC, THESTREET COM, ZILLOW INC, MOTRICITY INC, CAPELLA EDUCATION CO, and Orbitz Worldwide, Inc..

SEC CIK

William Griffith's CIK is 0001188458

Past Insider Trading and Trends

2007 was William Griffith's most active year for acquiring shares with 1 total transactions. William Griffith's most active month to acquire stocks was the month of June. 2007 saw William Griffith paying a total of $0.00 for 6,897 shares, this is the most they've acquired in one year.

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Interactive Brokers Group, Inc.

Investor

Updated Jan 05, 2010

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Form 4	—	4.23K	—	—	Jan 05, 2010	5.00M	Grant	—	Dec 31
Form 4	5.73%	80.70K	$19.09	$1.54M	Aug 06, 2009	1.49M	Purchase	—	Aug 04 - Aug 06
Form 3/A	—	—	—	—	Jul 30, 2009	1.32M	—	—	—
Form 4	6.42%	84.84K	$18.21	$1.55M	Jul 30, 2009	1.41M	Purchase	—	Jul 29 - Jul 30
Form 3	—	—	—	—	Jul 30, 2009	1.19M	—	—	—

Showing 5 results

NETFLIX INC

Investor

Updated Aug 12, 2010

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Form 4	-20.54%	-3.71K	$124.39	-$435.37K	Aug 12, 2010	5.17M	Sale	—	May 27 - Aug 10
Form 4	-24.77%	-485.38K	$104.69	-$11.11M	Apr 28, 2010	1.47M	Sale	—	Apr 26 - Apr 27
Form 4	115.83%	15.11K	$56.05	-$2.26M	Nov 09, 2009	1.97M	Acquisition	—	Jun 05 - Nov 09
Form 4	-18.70%	-3.00K	$38.80	-$116.40K	May 11, 2009	1.95M	Sale	—	May 08
Form 4	272.82%	11.74K	$45.95	-$3.30M	Apr 30, 2009	1.96M	Acquisition	—	Mar 23 - Apr 30
Form 4	-24.92%	-645.70K	$36.37	-$1.62M	Feb 09, 2009	1.95M	Sale	—	Feb 05 - Feb 09
Form 4	-99.56%	-309.85K	$23.62	-$8.89M	Aug 04, 2008	11.41M	Sale	—	Aug 01 - Aug 04
Form 4	-10.08%	-1.07M	—	—	Aug 04, 2008	12.12M	Disposition	—	Jul 31
Form 4	25.40%	520.89K	$18.59	$9.68M	Aug 29, 2006	12.72M	Purchase	—	Aug 25
Form 4	65.24%	809.52K	$18.56	$15.03M	Aug 25, 2006	12.19M	Purchase	—	Aug 23 - Aug 24
Form 4	27.37%	2.45M	$19.99	$48.91M	Jul 31, 2006	12.85M	Purchase	—	Jul 27
Form 3	—	—	—	—	Jul 31, 2006	1.25M	—	—	—

Showing 12 results

HOMEAWAY INC

Investor

Updated Jul 05, 2011


Form 4	1.23%	40.60K	$27.00	—	Jul 05, 2011	3.35M	Purchase	—	Jul 05
Form 3	—	—	—	—	Jun 28, 2011	56.84K	—	—	—

Showing 2 results

RiskMetrics Group Inc

Investor

Updated Jun 03, 2010


Form 4	-100.00%	-6.43M	—	—	Jun 03, 2010	—	Disposition	—	Jun 01
Form 4	149.97%	5.00K	—	—	Aug 07, 2009	6.43M	Grant	—	Aug 06
Form 4	9.55%	560.00K	$17.50	$9.80M	Jan 29, 2008	6.42M	Purchase	—	Jan 24
Form 3	—	—	—	—	Jan 24, 2008	5.86M	—	—	—

Showing 4 results

GREEN DOT CORP

Investor

Updated Aug 06, 2010

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Form 3	—	—	—	—	Aug 06, 2010	74.90K	—	—	—

Showing 1 results

K12 INC

Investor

Updated May 02, 2011

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Form 3	—	—	—	—	May 02, 2011	3.98M	—	—	—

Showing 1 results

MARKETAXESS HOLDINGS INC

Investor

Updated Jul 17, 2008

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Form 3	—	—	—	—	Jul 17, 2008	—	—	—	—

Showing 1 results

TechTarget Inc

Investor

Updated Jan 04, 2012

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Form 4	—	8.99K	—	—	Jan 04, 2012	12.82M	Grant	—	Dec 30
Form 4	—	2.50K	—	—	Dec 23, 2011	2.50K	Grant	—	Dec 21
Form 4/A	—	—	—	—	Jul 21, 2011	12.81M	—	—	—
Form 4	-70.41%	-9.71M	—	—	Jul 21, 2011	4.08M	Options	—	Jul 19
Form 4	—	1.45K	—	—	Jul 07, 2011	12.81M	Grant	—	Jun 30
Form 4	—	5.49K	—	—	Jan 04, 2011	12.80M	Grant	—	Dec 31
Form 4	—	2.50K	—	—	Dec 20, 2010	2.50K	Grant	—	Dec 16
Form 4	—	1.39K	—	—	Jul 02, 2010	12.80M	Grant	—	Jun 30
Form 4	0.40%	51.00K	$5.30	$270.14K	Jun 10, 2010	12.80M	Purchase	—	Jun 08 - Jun 09
Form 4	0.63%	79.30K	$5.79	$459.50K	May 27, 2010	12.75M	Purchase	—	May 25 - May 26
Form 4	2.13%	263.80K	$5.80	$1.53M	May 24, 2010	12.67M	Purchase	—	May 20 - May 24
Form 4	0.00%	60.00	$5.50	$330.00	May 18, 2010	12.38M	Purchase	—	May 14
Form 4	—	8.79K	—	—	Jan 05, 2010	12.40M	Grant	—	Dec 31
Form 4	—	2.50K	—	—	Dec 18, 2009	2.50K	Grant	—	Dec 17
Form 4	—	—	—	—	Jul 24, 2009	12.39M	Acq/Dis	—	Jul 23
Form 4	—	—	—	—	Feb 05, 2009	12.39M	Acq/Dis	—	Feb 04
Form 4	—	—	—	—	Sep 08, 2008	12.39M	Acq/Dis	—	Sep 05
Form 4	—	5.48K	$14.78	$44.00K	Feb 04, 2008	12.39M	Grant	—	Dec 18 - Dec 31
Form 4	-70.40%	-29.45M	$13.00	—	May 24, 2007	12.38M	Buy-Options	—	May 22
Form 3	—	—	—	—	May 16, 2007	—	—	—	—

Showing 20 results

XATA CORP /MN/

Investor

Updated Mar 29, 2010


Form 4/A	49.67%	7.50K	—	—	Mar 29, 2010	22.60K	Grant	—	Feb 17
Form 3	—	—	—	—	Dec 08, 2009	—	—	—	—

Showing 2 results

PENSON WORLDWIDE INC

Investor

Updated Jun 04, 2007


Form 4	-11.42%	-315.70K	$28.51	-$9.00M	Jun 04, 2007	2.45M	Sale	—	May 31 - Jun 01
Form 4	-9.45%	-288.60K	$26.81	-$7.74M	Mar 13, 2007	2.77M	Sale	—	Mar 12
Form 4	-6.06%	-196.90K	$24.82	-$4.89M	Mar 08, 2007	3.05M	Sale	—	Mar 06
Form 4	-15.31%	-587.90K	$30.53	-$17.95M	Feb 27, 2007	3.25M	Sale	—	Feb 23 - Feb 26
Form 4	-55.52%	-4.79M	$17.00	—	May 23, 2006	3.84M	Buy-Options	—	May 22
Form 3	—	—	—	—	May 16, 2006	—	—	—	—

Showing 6 results

THESTREET COM

Investor

Updated Jun 06, 2011


Form 4	—	850.00	—	—	Jun 06, 2011	850.00	Grant	—	Jun 02
Form 4	40.88%	24.24K	—	—	Mar 03, 2011	83.54K	Grant	—	Mar 01
Form 4	58.89%	21.98K	—	—	Jan 04, 2011	59.30K	Grant	—	Jan 03
Form 4	200.39%	24.90K	—	—	Jan 06, 2010	37.32K	Grant	—	Jan 04
Form 4	229.64%	8.65K	—	—	Oct 28, 2009	12.42K	Grant	—	Sep 10
Form 4	—	—	—	—	Jan 14, 2009	3.77K	Acq/Dis	—	Jan 12
Form 3	—	—	—	—	Nov 26, 2007	—	—	—	—

Showing 7 results

ZILLOW INC

Investor

Updated Jul 19, 2011


Form 3	—	—	—	—	Jul 19, 2011	—	—	—	—

Showing 1 results

MOTRICITY INC

Investor

Updated Jun 28, 2010


Form 3	—	—	—	—	Jun 28, 2010	4.11M	—	—	—

Showing 1 results

CAPELLA EDUCATION CO

Investor

Updated May 24, 2007


Form 4	-8.23%	-140.61K	$34.38	-$4.83M	May 24, 2007	1.57M	Sale	—	May 22
Form 4	-12.82%	-251.13K	$34.38	-$8.63M	May 18, 2007	1.71M	Sale	—	May 16
Form 4	8.55%	154.27K	$20.00	—	Nov 17, 2006	1.96M	Purchase	—	Nov 15
Form 3	—	—	—	—	Nov 09, 2006	6.41K	—	—	—

Showing 4 results

Orbitz Worldwide, Inc.

Investor

Updated Jul 05, 2011


Form 4	4.17%	7.73K	—	—	Jul 05, 2011	1.20M	Grant	—	Jun 30
Form 4	22.13%	33.61K	—	—	Jun 06, 2011	1.19M	Grant	—	Jun 02
Form 4	3.60%	5.28K	—	—	Apr 04, 2011	1.16M	Grant	—	Mar 31
Form 4	2.33%	3.33K	—	—	Jan 04, 2011	1.15M	Grant	—	Dec 31
Form 4	2.11%	2.96K	—	—	Oct 04, 2010	1.15M	Grant	—	Sep 30
Form 4	3.59%	4.86K	—	—	Jul 02, 2010	1.15M	Grant	—	Jun 30
Form 4	17.74%	20.41K	—	—	Jun 04, 2010	1.14M	Grant	—	Jun 02
Form 4	2.35%	2.64K	—	—	Apr 02, 2010	1.12M	Grant	—	Mar 31
Form 4	2.37%	2.60K	—	—	Jan 05, 2010	1.12M	Grant	—	Dec 31
Form 4	2.86%	3.05K	—	—	Oct 02, 2009	1.11M	Grant	—	Sep 30
Form 4	10.13%	9.82K	—	—	Jul 02, 2009	1.11M	Grant	—	Jun 30
Form 4	75.70%	41.75K	—	—	Jun 05, 2009	1.10M	Grant	—	Jun 03
Form 4	34.34%	14.10K	—	—	Apr 02, 2009	1.06M	Grant	—	Mar 31
Form 4	14.01%	5.05K	—	—	Jan 05, 2009	1.05M	Grant	—	Dec 31
Form 4	10.59%	3.45K	—	—	Oct 02, 2008	1.04M	Grant	—	Sep 30
Form 4	11.79%	3.43K	—	—	Jul 02, 2008	1.04M	Grant	—	Jun 30
Form 4	120.59%	15.92K	—	—	Jun 23, 2008	1.03M	Grant	—	Jun 19
Form 4	28.54%	2.93K	—	—	Apr 02, 2008	1.02M	Grant	—	Mar 31
Form 4/A	—	—	—	—	Mar 20, 2008	10.27K	—	—	—
Form 4	0.47%	4.65K	—	—	Mar 20, 2008	1.01M	Acquisition	—	Mar 18
Form 4	—	1.00M	—	—	Jan 28, 2008	1.00M	Acq/Dis	—	Jan 24
Form 4	26.86%	2.17K	—	—	Jan 03, 2008	10.27K	Grant	—	Dec 31
Form 4	17.43%	1.20K	—	—	Oct 02, 2007	8.10K	Grant	—	Sep 30
Form 4	—	6.90K	—	—	Jul 27, 2007	6.90K	Grant	—	Jul 25
Form 3	—	—	—	—	Jul 18, 2007	—	—	—	—

Showing 25 results