Michael Graff's Net Worth

$1.52 Billion

Estimate Recalculated Sep 22, 2025 09:27PM EST

Who is Michael Graff

Michael Graff has an estimated net worth of $1.52 Billion. This is based on reported shares across multiple companies, which include TransDigm Group INC, Builders FirstSource, Inc., and Polypore International, Inc..

SEC CIK

Michael Graff's CIK is 0001299926

Past Insider Trading and Trends

2008 was Michael Graff's most active year for acquiring shares with 35 total transactions. Michael Graff's most active month to acquire stocks was the month of February. 2008 was Michael Graff's most active year for disposing of shares, totalling 88 transactions. Michael Graff's most active month to dispose stocks was the month of May. 2016 saw Michael Graff paying a total of $707,831.00 for 3,659 shares, this is the most they've acquired in one year. In 2014 Michael Graff cashed out on 37,248 shares for a total of $4,110,341.57, their largest year based on trade value.

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TransDigm Group INC

Investor

Updated Mar 26, 2024

View Quote Details


Form 4	0.22%	31.00	$1,172.20	$36.34K	Mar 26, 2024	14.21K	Acquisition	—	Mar 22
Form 4	-43.98%	-4.00K	$1,187.40	-$4.75M	Mar 18, 2024	14.18K	Disposition	—	Mar 14
Form 4	-39.47%	-4.46K	$657.45	-$3.12M	Feb 13, 2024	19.94K	Sale	—	Nov 29 - Feb 13
Form 4	—	670.00	—	—	Nov 06, 2023	670.00	Grant	—	Nov 02
Form 4	0.89%	43.00	$864.70	$37.18K	Sep 27, 2023	4.88K	Grant	—	Sep 25
Form 4	-30.54%	-4.00K	$847.97	-$3.39M	Jun 26, 2023	19.13K	Disposition	—	Jun 22
Form 4	1.11%	53.00	$697.13	$36.95K	Mar 29, 2023	4.84K	Grant	—	Mar 27
Form 4	—	855.00	—	—	Nov 14, 2022	855.00	Grant	—	Nov 09
Form 4	1.33%	63.00	$587.10	$36.99K	Sep 27, 2022	4.78K	Grant	—	Sep 23
Form 4	1.24%	58.00	$646.03	$37.47K	Mar 29, 2022	4.72K	Grant	—	Mar 28
Form 4	—	799.00	—	—	Nov 16, 2021	799.00	Grant	—	Nov 14
Form 4	1.33%	61.00	$612.96	$37.39K	Sep 29, 2021	4.66K	Grant	—	Sep 28
Form 4	1.32%	60.00	$617.46	$37.05K	Mar 18, 2021	4.60K	Grant	—	Mar 17
Form 4	1.70%	76.00	$491.32	$37.34K	Oct 19, 2020	4.54K	Grant	—	Oct 19
Form 4	18.27%	618.00	$448.07	$276.91K	Jun 12, 2020	4.00K	Purchase	—	Jun 12
Form 4/A	—	—	—	—	Mar 23, 2020	4.47K	Acq/Dis	—	Mar 17
Form 4	2.02%	90.00	$414.72	$37.32K	Mar 17, 2020	4.56K	Grant	—	Mar 17
Form 4	-60.00%	-1.80K	—	—	Dec 12, 2019	1.20K	Grant	—	Dec 09
Form 4	—	3.00K	—	—	Nov 18, 2019	3.00K	Grant	—	Nov 15
Form 4	1.29%	57.00	$519.82	$29.63K	Sep 18, 2019	4.47K	Grant	—	Sep 18
Form 4	—	—	—	—	Jul 24, 2019	16.10K	Acq/Dis	—	Jul 23
Form 4	1.57%	68.00	$439.87	$29.91K	Mar 19, 2019	4.41K	Grant	—	Mar 15
Form 4	-4.02%	-182.00	$424.36	-$77.23K	Feb 12, 2019	4.34K	Sale	—	Feb 08
Form 4	-20.84%	-2.56K	$327.96	-$494.35K	Feb 11, 2019	9.74K	Sale	—	Feb 08
Form 4	1.82%	81.00	$369.99	$29.97K	Sep 19, 2018	4.52K	Grant	—	Sep 14
Form 4	2.33%	101.00	$296.00	$29.90K	Mar 16, 2018	4.44K	Grant	—	Mar 15
Form 4	-47.96%	-4.00K	—	—	Dec 08, 2017	4.34K	Grant	—	Dec 06
Form 4	-14.08%	-1.87K	$239.77	-$195.93K	Dec 04, 2017	11.42K	Sale	—	Dec 01
Form 4/A	—	4.70K	—	—	Nov 09, 2017	4.70K	Options	—	Nov 08
Form 4	—	—	—	—	Nov 09, 2017	4.70K	—	—	—
Form 4	1.38%	117.00	$256.15	$29.97K	Sep 18, 2017	8.59K	Grant	—	Sep 18
Form 4	1.55%	129.00	$231.76	$29.90K	Mar 17, 2017	8.47K	Grant	—	Mar 16
Form 4	-23.14%	-3.93K	$220.49	-$339.06K	Nov 22, 2016	13.05K	Sale	—	Nov 21
Form 4/A	—	3.65K	—	—	Nov 22, 2016	3.65K	Options	—	Nov 06
Form 4	1.20%	105.00	$284.32	$29.85K	Sep 19, 2016	8.85K	Grant	—	Sep 19
Form 4	1.58%	136.00	$219.09	$29.80K	Mar 21, 2016	8.75K	Grant	—	Mar 15
Form 4	100.00%	3.65K	—	—	Nov 17, 2015	7.30K	Options	—	Nov 06
Form 4	1.53%	130.00	$229.43	$29.83K	Sep 18, 2015	8.61K	Grant	—	Sep 18
Form 4	-17.11%	-1.75K	—	—	Aug 10, 2015	8.48K	Grant	—	Aug 06
Form 4	-16.01%	-1.95K	—	—	Jun 26, 2015	10.23K	Grant	—	Jun 25
Form 4	1.15%	139.00	$214.82	$29.86K	Mar 24, 2015	12.18K	Grant	—	Mar 24
Form 4	-65.48%	-21.35K	$109.81	-$3.68M	Nov 18, 2014	11.25K	Sale	—	Nov 17
Form 4	0.95%	157.00	$189.99	$29.83K	Oct 03, 2014	16.70K	Grant	—	Oct 02
Form 4/A	—	4.48K	—	—	May 08, 2014	4.48K	Options	—	Apr 24
Form 4	—	4.48K	—	—	May 02, 2014	4.48K	Options	—	Apr 24
Form 4	0.50%	83.00	$179.53	$14.90K	Mar 20, 2014	16.54K	Grant	—	Mar 20
Form 4	0.53%	104.00	$143.70	$14.94K	Sep 17, 2013	19.84K	Grant	—	Sep 16
Form 4	0.50%	99.00	$151.02	$14.95K	Mar 20, 2013	19.74K	Grant	—	Mar 18
Form 4	—	—	—	—	Dec 17, 2012	16.10K	Grant	—	Dec 17
Form 4	—	—	—	—	Nov 21, 2012	35.74K	Grant	—	Nov 20
Form 4	—	—	$6.68	$107.52K	Oct 12, 2012	35.74K	Options	—	Oct 10
Form 4	0.53%	103.00	$145.61	$15.00K	Sep 19, 2012	19.64K	Grant	—	Sep 19
Form 4	-35.95%	-20.00K	$66.58	-$2.40M	May 11, 2012	35.63K	Sale	—	May 10
Form 4	0.67%	130.00	$115.30	$14.99K	Mar 21, 2012	19.54K	Grant	—	Mar 19
Form 4	-29.21%	-12.00K	$61.54	-$1.32M	Feb 10, 2012	29.08K	Sale	—	Feb 09
Form 4	0.87%	167.00	$89.45	$14.94K	Sep 19, 2011	19.41K	Grant	—	Sep 15
Form 4	-32.83%	-20.00K	$48.69	-$1.68M	Sep 08, 2011	40.92K	Sale	—	Sep 07 - Sep 08
Form 4	-14.10%	-10.00K	$44.11	-$748.60K	Jun 01, 2011	60.92K	Sale	—	Jun 01
Form 4	0.99%	188.00	$79.72	$14.99K	Mar 16, 2011	19.24K	Grant	—	Mar 15
Form 4	-32.01%	-30.00K	$44.30	-$2.26M	Feb 10, 2011	63.72K	Sale	—	Feb 09
Form 4	—	242.00	$61.90	$14.98K	Sep 21, 2010	143.84K	Grant	—	Sep 20
Form 4	—	286.00	$52.44	$15.00K	Mar 29, 2010	143.59K	Grant	—	Mar 29
Form 4	-98.01%	-15.95K	$45.55	-$715.59K	Sep 23, 2009	143.31K	Sale	—	Sep 08 - Sep 22
Form 4	-99.36%	-2.62M	—	—	Aug 07, 2009	159.26K	Disposition	—	Aug 06
Form 4	-49.83%	-2.62M	—	—	Jun 11, 2009	2.78M	Disposition	—	Jun 10
Form 4	-28.40%	-2.08M	—	—	May 29, 2009	5.39M	Disposition	—	May 28
Form 4	-15.56%	-1.35M	—	—	Mar 24, 2009	7.47M	Disposition	—	Mar 23
Form 4	—	467.00	$32.12	$15.00K	Mar 18, 2009	8.82M	Grant	—	Mar 16
Form 4	-23.72%	-2.70M	$34.20	-$92.34M	Feb 20, 2009	8.82M	Sale	—	Feb 19
Form 4	5,995.82%	15.77K	—	—	Nov 19, 2008	11.52M	Acquisition	—	Nov 17
Form 4	23.58%	441.00	$34.00	$14.99K	Sep 18, 2008	11.51M	Grant	—	Sep 16
Form 4/A	-26.74%	-5.00K	$43.46	-$217.29K	Jun 10, 2008	11.51M	Sale	—	Jun 03
Form 4	-58.82%	-11.00K	$43.46	-$217.29K	Jun 05, 2008	11.50M	Sale	—	Jun 03
Form 4	-15.92%	-19.00K	$15.80	-$819.54K	Jun 05, 2008	11.51M	Sale	—	Jun 03
Form 4	-52.36%	-15.06K	$43.36	-$652.99K	Jun 03, 2008	11.53M	Sale	—	May 30
Form 4	-34.28%	-15.00K	$42.56	-$638.38K	Jun 02, 2008	11.55M	Sale	—	May 29
Form 4	-20.98%	-3.02M	—	—	May 14, 2008	11.56M	Disposition	—	May 12
Form 4	—	263.00	$37.97	$9.99K	Apr 29, 2008	14.59M	Grant	—	Apr 25
Form 4	27.04%	398.00	$37.61	$14.97K	Mar 19, 2008	14.59M	Grant	—	Mar 17
Form 4	-19.34%	-3.46M	—	—	Dec 11, 2007	14.58M	Disposition	—	Dec 10
Form 4	-16.25%	-3.47M	—	—	Nov 28, 2007	18.04M	Disposition	—	Nov 26
Form 4	34.80%	380.00	$39.43	$14.98K	Sep 19, 2007	21.51M	Grant	—	Sep 17
Form 4	-31.24%	-9.71M	$35.25	-$342.45M	May 29, 2007	21.51M	Sale	—	May 25
Form 4	—	260.00	$38.44	$9.99K	Apr 24, 2007	31.23M	Grant	—	Apr 20
Form 4	—	461.00	$32.50	$14.98K	Apr 03, 2007	31.23M	Grant	—	Mar 30
Form 4	—	631.00	$23.76	$14.99K	Oct 05, 2006	31.23M	Grant	—	Oct 03
Form 4	—	395.00	—	—	Apr 25, 2006	31.23M	Grant	—	Apr 21
Form 4	-2.57%	-821.59K	$21.00	-$17.25M	Mar 22, 2006	31.23M	Sale	—	Mar 20
Form 3	—	—	—	—	Mar 14, 2006	30.63M	—	—	—

Showing 89 results

Builders FirstSource, Inc.

Investor

Updated May 25, 2016

View Quote Details


Form 4	-100.00%	-13.26M	$10.40	-$137.94M	May 25, 2016	—	Sale	—	May 24
Form 4	-34.55%	-7.00M	$13.05	-$91.35M	Nov 25, 2015	13.26M	Sale	—	Nov 25
Form 4	-18.50%	-4.60M	$12.22	-$56.23M	Aug 03, 2015	20.26M	Sale	—	Jul 31
Form 4	0.03%	8.13K	$3.71	$30.16K	Jun 11, 2012	24.86M	Purchase	—	Jun 07
Form 4	0.08%	41.30K	$3.56	$146.06K	Jun 06, 2012	49.68M	Purchase	—	Jun 04 - Jun 06
Form 4	0.02%	4.80K	$3.95	$18.96K	Jun 01, 2012	24.81M	Purchase	—	May 30
Form 4	0.06%	31.89K	$3.98	$126.65K	May 29, 2012	49.60M	Purchase	—	May 24 - May 29
Form 4	0.11%	56.80K	$3.72	$211.07K	May 23, 2012	49.53M	Purchase	—	May 21 - May 23
Form 4	0.09%	46.60K	$4.00	$187.11K	May 18, 2012	49.42M	Purchase	—	May 16 - May 18
Form 4	0.12%	59.84K	$3.92	$235.19K	May 09, 2012	49.31M	Purchase	—	May 07 - May 09
Form 4	0.09%	22.67K	$3.14	$71.19K	Mar 09, 2012	24.61M	Purchase	—	Mar 07
Form 4	0.09%	43.70K	$3.12	$136.35K	Mar 06, 2012	49.17M	Purchase	—	Mar 02 - Mar 06
Form 4	0.20%	100.11K	$3.13	$310.94K	Mar 01, 2012	49.01M	Purchase	—	Feb 28 - Mar 01
Form 4	11.78%	2.53M	$3.50	$53.87M	Jan 22, 2010	24.45M	Options	—	Jan 21
Form 4	0.01%	500.00	$6.75	$3.38K	Mar 14, 2008	9.06M	Purchase	—	Mar 12
Form 4	0.39%	35.52K	$6.52	$231.62K	Mar 12, 2008	9.05M	Purchase	—	Mar 10 - Mar 11
Form 4	0.50%	44.90K	$6.52	$292.77K	Mar 10, 2008	9.01M	Purchase	—	Mar 06 - Mar 07
Form 4	0.41%	36.30K	$6.46	$234.66K	Mar 06, 2008	8.96M	Purchase	—	Mar 04 - Mar 05
Form 4	0.83%	73.33K	$6.66	$488.48K	Mar 04, 2008	8.92M	Purchase	—	Feb 29 - Mar 03
Form 4	0.61%	53.10K	$6.93	$368.06K	Feb 29, 2008	8.82M	Purchase	—	Feb 27 - Feb 28
Form 4	0.45%	39.59K	$16.42	$649.99K	Mar 16, 2007	8.76M	Purchase	—	Mar 14
Form 4	0.24%	21.30K	$16.92	$360.35K	Dec 06, 2006	8.73M	Purchase	—	Dec 04
Form 4	0.59%	51.20K	$16.82	$861.12K	Dec 04, 2006	8.70M	Purchase	—	Nov 30 - Dec 01
Form 3	—	—	—	—	Mar 03, 2006	8.65M	—	—	—

Showing 24 results

Polypore International, Inc.

Investor

Updated Jun 27, 2007


Form 3	—	—	—	—	Jun 27, 2007	25.31M	—	—	—

Showing 1 results