WILBERT PLATZER Net Worth - Insider Trades and Bio as of Jun 13, 2026

KWRQUAKER CHEMICAL CORPSEC CIK: 0001242086

Estimated Net Worth

$7.1 Million43.8%vs Last Year

Last Updated: May 18, 2026 01:47 PM EST

Transaction Summary

Total Transactions56

Buy-Sell Ratio0.00

Buy Transactions0

Sell Transactions32

Transaction Volume

Total Volume-$6.89M

Net Volume$6.89M

Buy Volume$0.00

Sell Volume-$6.89M

Trade Analysis

AVG Trade Size-$124.93K

Largest Trade$0.00

Most Active MonthMay

Most Active Year2008

Trading Sentiment

OverallBullish

Recent TradeSelling

Last 90 Days0 Trades

ConvictionNone

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

L Wilbert Platzer has an estimated net worth of $7.1 Million. This is based on reported shares in QUAKER CHEMICAL CORP.

2008 was L Wilbert Platzer's most active year for acquiring shares with 12 total transactions. L Wilbert Platzer's most active month to acquire stocks was the month of July. 2020 was L Wilbert Platzer's most active year for disposing of shares, totalling 20 transactions. L Wilbert Platzer's most active month to dispose stocks was the month of July. 2020 saw L Wilbert Platzer paying a total of $698,778.00 for 8,872 shares, this is the most they've acquired in one year. In 2012 L Wilbert Platzer cashed out on 55,289 shares for a total of $1,342,892.00, their largest year based on trade value.

Holdings & Transactions

KWRquaker chemical corp

SVP, Global Ops, EHS & Prcmt Officer

Updated: Aug 17, 2022VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.68	3.25K	$169.23	-$370.74K	Aug 17, 2022	1.56K	Sale	—	Aug 15	View
From 4	—	2.38K	—	—	Mar 18, 2022	2.38K	Grant	—	Mar 16	View
From 4	-0.24	673.00	$269.27	-$181.22K	Nov 12, 2021	2.12K	Sale	—	Nov 11	View
From 4	-0.36	3.08K	$202.45	-$444.17K	Aug 12, 2021	5.48K	Sale	—	Aug 10	View
From 4	—	1.69K	—	—	Mar 17, 2021	1.69K	Grant	—	Mar 15	View
From 4	-0.13	500.00	$252.95	-$126.47K	Nov 18, 2020	3.49K	Sale	—	Nov 16	View
From 4	-0.49	5.97K	$162.13	-$474.77K	Aug 17, 2020	6.29K	Sale	—	Aug 13 - 14	View
From 4	-0.38	2.81K	$158.76	-$446.11K	May 18, 2020	4.49K	Sale	—	May 14 - 18	View
From 4	0.51	3.40K	—	—	Apr 01, 2020	10.07K	Grant	—	Mar 30	View
From 4	0.77	4.01K	—	—	Aug 19, 2019	9.19K	Grant	—	Aug 15	View
From 4	-0.16	1.00K	$205.00	-$205.00K	Nov 09, 2018	5.18K	Sale	—	Nov 07	View
From 4	-0.21	1.96K	$127.82	-$195.44K	Aug 27, 2018	7.40K	Sale	—	Aug 24	View
From 4	0.38	2.21K	—	—	Feb 27, 2018	8.02K	Grant	—	Feb 26	View
From 4	-0.15	1.00K	$156.75	-$156.75K	Nov 02, 2017	5.81K	Sale	—	Nov 02	View
From 4	-0.36	5.62K	$107.71	-$368.54K	May 17, 2017	9.98K	Sale	—	May 15	View
From 4	-0.23	2.00K	$140.76	-$281.52K	May 08, 2017	6.81K	Sale	—	May 04	View
From 4	0.31	2.61K	—	—	Mar 01, 2017	11.00K	Grant	—	Feb 27	View
From 4	-0.15	1.50K	$85.58	-$128.37K	May 10, 2016	8.39K	Sale	—	May 06	View
From 4	0.48	4.38K	—	—	Feb 25, 2016	13.53K	Grant	—	Feb 23	View
From 4	-0.37	5.71K	$65.49	-$303.93K	May 18, 2015	9.85K	Sale	—	May 14	View
From 4	0.28	2.82K	—	—	Feb 27, 2015	12.88K	Grant	—	Feb 25	View
From 4	-0.17	2.00K	$83.96	-$167.91K	Nov 14, 2014	10.06K	Sale	—	Nov 10	View
From 4	-0.14	2.00K	$76.52	-$153.04K	May 07, 2014	12.06K	Sale	—	May 05	View
From 4/A	—	2.21K	—	—	Mar 10, 2014	2.21K	Options	—	Feb 27	View
From 4	0.21	2.87K	—	—	Mar 03, 2014	16.27K	Options	—	Feb 27	View
From 4	-0.27	5.89K	$56.06	-$330.21K	Nov 05, 2013	16.18K	Sale	—	Nov 01	View
From 4	-0.15	3.00K	$65.00	-$195.00K	May 20, 2013	16.40K	Sale	Scheduled	May 17	View
From 4	-0.20	5.00K	$59.90	-$299.49K	Mar 13, 2013	19.40K	Sale	—	Mar 11	View
From 4	0.12	2.93K	—	—	Mar 07, 2013	26.53K	Grant	—	Mar 05	View
From 4	-0.14	3.79K	$38.19	-$146.71K	Jan 30, 2013	23.60K	Sale	Scheduled	Jan 28	View
From 4	-0.22	7.58K	$34.41	-$236.22K	Sep 12, 2012	27.39K	Sale	Scheduled	Sep 10	View
From 4	-0.44	18.82K	$26.24	-$726.48K	May 14, 2012	23.60K	Sale	—	May 10 - 11	View
From 4	0.17	3.86K	—	—	Mar 08, 2012	26.29K	Grant	—	Mar 06	View
From 4	-0.10	2.50K	$42.80	-$107.21K	Feb 28, 2012	22.43K	Tax	—	Feb 25	View
From 4	-0.12	3.27K	$31.73	-$80.40K	Apr 29, 2011	24.93K	Sale	Scheduled	Apr 27	View
From 4	0.17	4.11K	—	—	Mar 03, 2011	27.93K	Grant	—	Mar 01	View
From 4	-0.19	6.55K	$31.73	-$160.78K	Dec 22, 2010	27.09K	Sale	Scheduled	Dec 21	View
From 4	-0.27	8.82K	$32.57	-$166.53K	Dec 16, 2010	23.81K	Sale	Scheduled	Dec 14 - 15	View
From 4	-0.20	6.00K	$29.99	-$120.12K	Dec 03, 2010	23.81K	Sale	Scheduled	Dec 02	View
From 4	0.62	13.40K	—	—	Jan 28, 2010	35.18K	Grant	—	Jan 26	View
From 4	1.50	24.37K	—	—	Feb 27, 2009	40.59K	Grant	—	Feb 25	View
From 4	-0.43	16.55K	$27.11	-$131.07K	Aug 06, 2008	22.23K	Sale	—	Aug 05	View
From 4	-0.07	1.28K	$24.34	-$10.67K	May 28, 2008	16.23K	Sale	—	May 27	View
From 4	-0.05	867.00	$24.54	-$7.56K	May 27, 2008	17.51K	Sale	—	May 22 - 23	View
From 4	-0.06	1.20K	$24.59	-$10.58K	May 22, 2008	18.38K	Sale	—	May 21	View
From 4	-0.44	15.65K	$24.60	-$140.14K	May 20, 2008	19.58K	Sale	—	May 16	View
From 4	0.06	925.00	—	—	Apr 22, 2008	16.23K	Grant	—	Apr 18	View
From 4	0.91	12.00K	—	—	Jan 31, 2008	25.12K	Grant	—	Jan 29	View
From 4	-0.42	9.50K	$19.74	-$37.81K	Mar 08, 2007	13.13K	Sale	—	Mar 06	View
From 4	0.87	10.22K	—	—	Feb 26, 2007	21.95K	Grant	—	Feb 22	View
From 4	—	9.00K	—	—	May 11, 2006	20.73K	Grant	—	May 10	View
From 4	0.16	1.65K	—	—	Mar 02, 2006	11.73K	Grant	—	Feb 28	View
From 4	2.91	7.50K	—	—	Feb 03, 2006	10.08K	Grant	—	Feb 01	View
From 4	—	7.30K	—	—	Mar 10, 2005	9.88K	Grant	—	Mar 09	View
From 4	—	6.25K	—	—	Apr 19, 2004	8.09K	Grant	—	Apr 15	View
From 4	-0.82	7.60K	$20.63	-$84.82K	Nov 05, 2003	1.66K	Sale	—	Nov 04	View

Benzinga

Benzinga

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Holdings & Transactions