William C Kelly Jr Net Worth - Insider Trades and Bio as of Jun 12, 2026

TDGTransDigm Group INCSEC CIK: 0001176412

Estimated Net Worth

$14.9 Million0.0%vs Last Year

Last Updated: May 18, 2026 11:54 PM EST

Transaction Summary

Total Transactions48

Buy-Sell Ratio3.00

Buy Transactions3

Sell Transactions1

Transaction Volume

Total Volume$471.13K

Net Volume$838.99K

Buy Volume$655.06K

Sell Volume-$183.93K

Trade Analysis

AVG Trade Size$31.58K

Largest Trade$425.31K

Most Active MonthMar

Most Active Year2014

Trading Sentiment

OverallBullish

Recent TradeNeutral

Last 90 Days0 Trades

ConvictionNone

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

William Dries has an estimated net worth of $14.9 Million. This is based on reported shares across multiple companies, which include TransDigm Group INC, NN INC, ENPRO INDUSTRIES INC, and Polypore International, Inc..

2014 was William Dries's most active year for acquiring shares with 8 total transactions. William Dries's most active month to acquire stocks was the month of February. 2007 was William Dries's most active year for disposing of shares, totalling 3 transactions. William Dries's most active month to dispose stocks was the month of January. 2007 saw William Dries paying a total of $451,111.62 for 14,112 shares, this is the most they've acquired in one year. In 2011 William Dries cashed out on 4,962 shares for a total of $212,274.36, their largest year based on trade value.

Holdings & Transactions

TDGtransdigm group inc

Updated: Mar 23, 2020VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4/A	—	—	—	—	Mar 23, 2020	2.32K	Acq/Dis	—	Mar 17	View
From 4	0.04	90.00	$414.72	$37.32K	Mar 17, 2020	2.41K	Grant	—	Mar 17	View
From 4	0.76	1.00K	$425.31	$425.31K	Mar 16, 2020	2.32K	Purchase	—	Mar 13	View
From 4	—	3.00K	—	—	Nov 18, 2019	3.00K	Grant	—	Nov 15	View
From 4	0.05	57.00	$519.82	$29.63K	Sep 18, 2019	1.32K	Grant	—	Sep 18	View
From 4/A	—	4.70K	—	—	Nov 09, 2017	4.70K	Options	—	Nov 08	View
From 4	—	4.70K	—	—	Nov 09, 2017	4.70K	Options	—	Nov 08	View
From 4	0.10	117.00	$256.15	$29.97K	Sep 18, 2017	1.26K	Grant	—	Sep 18	View
From 4	0.13	129.00	$231.76	$29.90K	Mar 17, 2017	1.14K	Grant	—	Mar 16	View
From 4	1.00	3.65K	—	—	Nov 17, 2015	7.30K	Options	—	Nov 06	View
From 4	0.15	130.00	$229.43	$29.83K	Sep 18, 2015	1.01K	Grant	—	Sep 18	View
From 4	0.19	139.00	$214.82	$29.86K	Mar 24, 2015	883.00	Grant	—	Mar 24	View
From 4	0.27	157.00	$189.99	$29.83K	Oct 03, 2014	744.00	Grant	—	Oct 02	View
From 4/A	—	4.48K	—	—	May 08, 2014	4.48K	Options	—	Apr 24	View
From 4	—	4.48K	—	—	May 02, 2014	4.48K	Options	—	Apr 24	View
From 4	0.16	83.00	$179.53	$14.90K	Mar 20, 2014	587.00	Grant	—	Mar 20	View
From 4	0.26	104.00	$143.70	$14.94K	Sep 17, 2013	504.00	Grant	—	Sep 16	View
From 4	0.35	103.00	$145.61	$15.00K	Sep 19, 2012	400.00	Grant	—	Sep 19	View
From 4	0.78	130.00	$115.30	$14.99K	Mar 21, 2012	297.00	Grant	—	Mar 19	View
From 4	—	167.00	$89.45	$14.94K	Sep 19, 2011	167.00	Grant	—	Sep 15	View
From 4	—	3.00K	—	—	Apr 29, 2011	3.00K	Grant	—	Apr 28	View
From 3	—	—	—	—	Apr 25, 2011	—	—	—	—	View

NNBRnn inc

Updated: Mar 16, 2018VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	0.14	4.07K	—	—	Mar 16, 2018	32.91K	Grant	—	Mar 14	View
From 4	-0.13	4.13K	—	—	Mar 20, 2017	28.83K	Grant	—	Mar 17	View
From 4	0.34	6.20K	—	—	Mar 18, 2016	24.70K	Grant	—	Mar 16	View
From 4/A	0.32	4.50K	—	—	May 11, 2015	18.50K	Grant	—	Mar 19	View
From 4/A	0.32	4.50K	—	—	Mar 25, 2015	18.50K	Grant	—	Mar 19	View
From 4	0.27	3.80K	—	—	Mar 23, 2015	17.80K	Grant	—	Mar 19	View
From 4	2.50	10.00K	$20.13	$201.25K	Nov 24, 2014	14.00K	Purchase	—	Nov 21 - 24	View
From 4	—	6.00K	$22.49	$89.96K	May 19, 2014	6.00K	Grant	—	May 15	View
From 3	—	—	—	—	May 19, 2014	—	—	—	—	View

NPOenpro industries, inc

Sr. VP. & CFO Officer

Updated: Feb 15, 2011VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.05	4.96K	$42.78	-$212.27K	Feb 15, 2011	92.87K	Tax	—	Feb 11	View
From 4	0.04	3.37K	$42.30	$142.38K	Feb 14, 2011	97.83K	Grant	—	Feb 10	View
From 4	-0.03	2.42K	$24.10	-$58.37K	Feb 22, 2010	94.46K	Disposition	—	Feb 19	View
From 4/A	0.08	8.72K	$24.10	$131.32K	Feb 22, 2010	114.09K	Grant	—	Feb 09	View
From 4	0.08	8.72K	—	—	Feb 11, 2010	114.19K	Grant	—	Feb 09	View
From 4	-0.08	7.53K	$9.18	-$183.93K	Dec 22, 2009	91.44K	Sale	—	Dec 21	View
From 4	—	14.04K	—	—	Apr 30, 2009	14.04K	Grant	—	Apr 29	View
From 4	0.11	5.71K	$20.69	$118.18K	Feb 12, 2009	56.87K	Acquisition	—	Feb 10	View
From 4/A	0.23	9.34K	$30.66	$286.33K	Feb 25, 2008	50.65K	Grant	—	Feb 12	View
From 4	0.69	20.66K	$30.66	$289.37K	Feb 14, 2008	51.25K	Grant	—	Feb 12	View
From 4/A	-0.13	4.37K	$33.51	-$146.37K	Feb 21, 2007	30.09K	Tax	—	Feb 13	View
From 4/A	-0.15	5.04K	$33.51	-$168.92K	Feb 15, 2007	29.42K	Tax	—	Feb 13	View
From 4	0.40	8.42K	$33.51	$282.19K	Feb 15, 2007	29.92K	Options	—	Feb 13	View
From 4	0.08	1.50K	$19.00	$28.50K	Aug 12, 2004	124.60K	Purchase	—	Aug 12	View
From 4	—	—	—	—	May 07, 2003	—	—	—	—	View

polypore international, inc.

Updated: Dec 17, 2010

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4/A	—	650.00	—	—	Dec 17, 2010	650.00	Grant	—	Oct 24	View
From 3	—	—	—	—	Oct 03, 2007	—	—	—	—	View

Benzinga

Benzinga

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Holdings & Transactions