Walter S Woltosz Net Worth - Insider Trades and Bio as of Jun 26, 2026

SLPSimulations Plus, Inc.SEC CIK: 0001222526

Estimated Net Worth

$1 Billion0.0%vs Last Year

Last Updated: May 19, 2026 11:11 PM EST

Transaction Summary

Total Transactions162

Buy-Sell Ratio0.02

Buy Transactions2

Sell Transactions93

Transaction Volume

Total Volume-$71.64M

Net Volume$68.92M

Buy Volume-$1.36M

Sell Volume-$70.28M

Trade Analysis

AVG Trade Size-$518.99K

Largest Trade$1.44M

Most Active MonthDec

Most Active Year2021

Trading Sentiment

OverallBullish

Recent TradeSelling

Last 90 Days-1 Trades

ConvictionMedium

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Walter S Woltosz has an estimated net worth of $1 Billion. This is based on reported shares in Simulations Plus, Inc..

2019 was Walter S Woltosz's most active year for acquiring shares with 10 total transactions. Walter S Woltosz's most active month to acquire stocks was the month of October. 2022 was Walter S Woltosz's most active year for disposing of shares, totalling 45 transactions. Walter S Woltosz's most active month to dispose stocks was the month of November. 2021 saw Walter S Woltosz paying a total of $1,475,939.88 for 25,437 shares, this is the most they've acquired in one year. In 2020 Walter S Woltosz cashed out on 372,000 shares for a total of $19,393,680.00, their largest year based on trade value.

Holdings & Transactions

SLPsimulations plus, inc.

Updated: May 05, 2026VIEW QUOTE

Form Type	Δ Own, %	Traded Shares	Price	Size, $	Filing Date	Own, %	Type	Scheduled	Trade Dates	SEC Filing
From 4	-0.00	15.00K	$15.13	-$226.95K	May 05, 2026	3.27M	Sale	Scheduled	May 04	View
From 4	0.00	2.12K	—	—	May 01, 2026	3.28M	Grant	—	May 01	View
From 4	0.00	1.78K	—	—	Feb 02, 2026	3.28M	Grant	—	Jan 30	View
From 4	-0.00	9.10K	—	—	Dec 22, 2025	3.28M	Grant	—	Dec 18	View
From 4	0.00	1.77K	—	—	Nov 04, 2025	3.29M	Grant	—	Nov 03	View
From 4	-0.01	20.00K	$15.39	-$307.80K	Oct 03, 2025	3.29M	Sale	Scheduled	Oct 01	View
From 4	0.00	2.07K	—	—	Aug 04, 2025	3.31M	Grant	—	Aug 01	View
From 4	-0.01	20.00K	$18.33	-$366.62K	Jul 02, 2025	3.30M	Sale	Scheduled	Jul 01	View
From 4	-0.01	20.00K	$27.15	-$543.07K	Jun 03, 2025	3.32M	Sale	Scheduled	Jun 02	View
From 4	-0.01	19.21K	$33.51	-$670.15K	May 01, 2025	3.34M	Sale	Scheduled	May 01	View
From 4	-0.01	20.00K	$24.09	-$481.79K	Apr 02, 2025	3.36M	Sale	Scheduled	Apr 01	View
From 4	-0.01	20.00K	$28.68	-$573.60K	Mar 04, 2025	3.38M	Sale	Scheduled	Mar 03	View
From 4	-0.01	19.21K	$33.91	-$678.24K	Feb 04, 2025	3.40M	Sale	Scheduled	Feb 03	View
From 4	-0.01	20.00K	$27.88	-$557.66K	Jan 03, 2025	3.42M	Sale	Scheduled	Jan 02	View
From 4	-0.01	20.00K	$31.76	-$635.20K	Dec 03, 2024	3.44M	Sale	Scheduled	Dec 02	View
From 4	-0.01	19.01K	$27.66	-$553.20K	Nov 05, 2024	3.46M	Sale	Scheduled	Nov 01	View
From 4	-0.01	20.00K	$31.26	-$625.20K	Oct 02, 2024	3.48M	Sale	Scheduled	Oct 01	View
From 4	-0.01	20.00K	$35.18	-$703.68K	Sep 04, 2024	3.50M	Sale	Scheduled	Sep 03	View
From 4	-0.01	19.27K	$39.63	-$792.55K	Aug 02, 2024	3.52M	Sale	Scheduled	Aug 01	View
From 4	-0.01	20.00K	$46.71	-$934.23K	Jul 02, 2024	3.54M	Sale	Scheduled	Jul 01	View
From 4	-0.01	20.00K	$46.25	-$924.98K	Jun 04, 2024	3.56M	Sale	Scheduled	Jun 03	View
From 4	-0.01	19.34K	$45.95	-$918.98K	May 02, 2024	3.58M	Sale	Scheduled	May 01	View
From 4	-0.01	20.00K	$39.94	-$798.87K	Apr 02, 2024	3.60M	Sale	Scheduled	Apr 01	View
From 4	-0.01	20.00K	$41.41	-$828.24K	Mar 05, 2024	3.62M	Sale	Scheduled	Mar 01	View
From 4	-0.01	20.00K	$38.00	-$759.95K	Feb 05, 2024	3.64M	Sale	Scheduled	Feb 01 - 02	View
From 4	0.00	792.00	—	—	Feb 02, 2024	3.66M	Grant	—	Feb 01	View
From 4	-0.01	20.00K	$44.46	-$889.20K	Jan 04, 2024	3.66M	Sale	Scheduled	Jan 02	View
From 4	-0.02	85.00K	—	—	Dec 15, 2023	3.68M	Grant	—	Dec 14	View
From 4	-0.02	60.00K	$38.72	-$2.32M	Dec 05, 2023	3.76M	Sale	Scheduled	Dec 01 - 05	View
From 4	-0.02	60.00K	$34.39	-$2.06M	Nov 03, 2023	3.78M	Sale	Scheduled	Nov 01 - 02	View
From 4	0.00	851.00	—	—	Nov 01, 2023	3.84M	Grant	—	Nov 01	View
From 4	0.00	602.00	—	—	Aug 02, 2023	3.84M	Grant	—	Aug 01	View
From 4	-0.01	20.00K	$43.03	-$860.69K	Jun 30, 2023	3.84M	Sale	—	Jun 28 - 29	View
From 4	-0.01	20.00K	$46.05	-$921.07K	May 31, 2023	3.86M	Sale	—	May 30	View
From 4	0.00	719.00	—	—	May 02, 2023	3.88M	Grant	—	May 01	View
From 4	-0.01	20.00K	$41.52	-$830.44K	Apr 27, 2023	3.88M	Sale	—	Apr 26	View
From 4	-0.01	20.00K	$42.81	-$856.20K	Mar 30, 2023	3.90M	Sale	—	Mar 29	View
From 4	-0.01	20.00K	$38.04	-$760.76K	Feb 27, 2023	3.92M	Sale	Scheduled	Feb 24	View
From 4	0.00	729.00	—	—	Feb 02, 2023	3.94M	Grant	—	Feb 01	View
From 4	-0.01	20.00K	$39.71	-$794.12K	Jan 31, 2023	3.94M	Sale	Scheduled	Jan 27 - 30	View
From 4	-0.01	20.00K	$36.15	-$722.98K	Dec 29, 2022	3.96M	Sale	Scheduled	Dec 28	View
From 4	-0.02	95.00K	—	—	Dec 13, 2022	3.98M	Grant	—	Dec 12	View
From 4	-0.00	20.00K	$39.89	-$797.81K	Nov 29, 2022	4.07M	Sale	Scheduled	Nov 28	View
From 4	0.00	703.00	—	—	Nov 14, 2022	4.09M	Grant	—	Nov 11	View
From 4	-0.00	20.00K	$41.64	-$832.77K	Oct 31, 2022	4.09M	Sale	Scheduled	Oct 27	View
From 4	—	—	$20.28	$636.93K	Oct 12, 2022	4.21M	Options	—	Oct 11	View
From 4	-0.00	20.00K	$49.55	-$990.95K	Sep 29, 2022	4.08M	Sale	Scheduled	Sep 28	View
From 4	-0.00	20.00K	$61.41	-$1.23M	Aug 31, 2022	4.10M	Sale	Scheduled	Aug 29 - 30	View
From 4	0.00	273.00	—	—	Aug 02, 2022	4.12M	Grant	—	Aug 01	View
From 4	-0.00	20.00K	$61.19	-$1.22M	Jul 29, 2022	4.12M	Sale	Scheduled	Jul 27	View
From 4	-0.00	20.00K	$48.07	-$961.43K	Jun 30, 2022	4.14M	Sale	Scheduled	Jun 28 - 29	View
From 4	-0.00	20.00K	$47.99	-$959.73K	Jun 01, 2022	4.16M	Sale	Scheduled	May 27	View
From 4	0.00	375.00	—	—	May 04, 2022	4.18M	Grant	—	May 02	View
From 4	-0.00	20.00K	$46.89	-$937.72K	Apr 29, 2022	4.18M	Sale	Scheduled	Apr 27 - 28	View
From 4	-0.00	20.00K	$48.75	-$974.97K	Mar 31, 2022	4.20M	Sale	Scheduled	Mar 29 - 30	View
From 4	-0.00	20.00K	$37.99	-$759.75K	Feb 28, 2022	4.22M	Sale	Scheduled	Feb 24 - 25	View
From 4	0.00	429.00	—	—	Feb 02, 2022	4.24M	Grant	—	Jan 31	View
From 4	-0.00	20.00K	$39.32	-$786.47K	Jan 28, 2022	4.24M	Sale	Scheduled	Jan 27	View
From 4	-0.00	20.00K	$48.74	-$974.79K	Jan 03, 2022	4.26M	Sale	Scheduled	Dec 29 - 30	View
From 4	-0.02	80.00K	—	—	Dec 16, 2021	4.28M	Grant	—	Dec 16	View
From 4	-0.00	20.00K	$48.40	-$968.08K	Nov 30, 2021	4.36M	Sale	Scheduled	Nov 26 - 29	View
From 4	0.00	347.00	—	—	Nov 03, 2021	4.38M	Grant	—	Nov 01	View
From 4	-0.00	20.00K	$45.32	-$906.41K	Oct 29, 2021	4.38M	Sale	Scheduled	Oct 27	View
From 4	-0.00	20.00K	$38.54	-$770.79K	Sep 29, 2021	4.40M	Sale	Scheduled	Sep 28	View
From 4	-0.00	1.50K	$44.10	-$66.02K	Sep 01, 2021	4.42M	Sale	Scheduled	Aug 31	View
From 4	-0.00	18.50K	$44.78	-$828.57K	Aug 31, 2021	4.42M	Sale	Scheduled	Aug 27 - 30	View
From 4	0.00	371.00	—	—	Aug 13, 2021	4.44M	Grant	—	Aug 11	View
From 4	-0.00	20.00K	$47.14	-$942.71K	Aug 02, 2021	4.44M	Sale	Scheduled	Jul 29 - 30	View
From 4	-0.01	24.00K	$53.34	-$1.28M	Jun 28, 2021	4.46M	Sale	Scheduled	Jun 24 - 25	View
From 4	-0.01	24.00K	$51.72	-$1.24M	May 26, 2021	4.48M	Sale	Scheduled	May 24 - 25	View
From 4	0.00	277.00	—	—	May 04, 2021	4.50M	Grant	—	May 03	View
From 4	-0.01	24.00K	$68.54	-$1.64M	Apr 27, 2021	4.50M	Sale	Scheduled	Apr 26	View
From 4/A	-0.01	24.00K	$60.04	-$1.44M	Apr 01, 2021	4.53M	Sale	Scheduled	Mar 25	View
From 4	0.01	24.00K	$60.04	$1.44M	Mar 25, 2021	4.53M	s	Scheduled	Mar 25	View
From 4/A	-0.01	24.00K	$73.01	-$1.75M	Feb 23, 2021	4.55M	Sale	Scheduled	Feb 22	View
From 4/A	0.00	221.00	$79.14	$17.49K	Feb 10, 2021	4.58M	Grant	—	Feb 01	View
From 4	0.00	221.00	$79.14	$17.49K	Feb 02, 2021	4.71M	Grant	—	Feb 01	View
From 4	-0.01	24.00K	$76.43	-$1.83M	Jan 25, 2021	4.58M	Sale	Scheduled	Jan 25	View
From 4	-0.01	60.00K	$71.92	-$4.32M	Dec 31, 2020	4.60M	Grant	—	Dec 31	View
From 4	-0.01	24.00K	$72.71	-$1.75M	Dec 23, 2020	4.66M	Sale	Scheduled	Dec 23	View
From 4	-0.01	24.00K	—	—	Nov 24, 2020	4.68M	Sale	Scheduled	Nov 23	View
From 4	0.00	255.00	$64.82	$16.53K	Nov 03, 2020	4.71M	Grant	—	Nov 02	View
From 4	-0.01	24.00K	$68.95	-$1.65M	Oct 27, 2020	4.71M	Sale	Scheduled	Oct 27	View
From 4	-0.01	24.00K	$66.08	-$1.59M	Sep 24, 2020	4.73M	Sale	Scheduled	Sep 24	View
From 4/A	-0.01	24.00K	$58.16	-$1.40M	Aug 27, 2020	4.78M	Sale	Scheduled	Aug 25	View
From 4	-0.01	24.00K	$58.16	-$1.40M	Aug 26, 2020	4.76M	p	Scheduled	Aug 26	View
From 4	0.00	206.00	$72.09	$14.85K	Aug 04, 2020	4.78M	Grant	—	Aug 03	View
From 4	-0.00	24.00K	$66.13	-$1.59M	Jul 28, 2020	4.78M	Sale	Scheduled	Jul 27	View
From 4	0.16	5.00K	$61.84	$309.20K	Jul 21, 2020	36.40K	Grant	—	Jul 17	View
From 4	-0.00	24.00K	$55.82	-$1.34M	Jun 24, 2020	4.80M	Sale	Scheduled	Jun 24	View
From 4	-0.00	24.00K	$39.35	-$944.40K	May 26, 2020	4.83M	Sale	Scheduled	May 22	View
From 4	0.00	381.00	$38.05	$14.50K	May 04, 2020	4.85M	Grant	—	May 01	View
From 4	-0.00	24.00K	$41.25	-$990.00K	Apr 27, 2020	4.85M	Sale	Scheduled	Apr 24	View
From 4	-0.00	24.00K	$31.71	-$761.04K	Mar 26, 2020	4.87M	Sale	Scheduled	Mar 25	View
From 4	-0.00	24.00K	$36.69	-$880.56K	Feb 26, 2020	4.90M	Sale	Scheduled	Feb 24	View
From 4	0.00	445.00	$32.58	$14.50K	Feb 07, 2020	4.92M	Grant	—	Feb 03	View
From 4	-0.00	24.00K	$33.26	-$798.24K	Jan 28, 2020	4.92M	Sale	Scheduled	Jan 27	View
From 4	-0.00	24.00K	$34.25	-$822.00K	Dec 27, 2019	4.95M	Sale	Scheduled	Dec 27	View
From 4/A	-0.01	70.00K	$32.37	-$2.27M	Dec 27, 2019	4.97M	Grant	—	Dec 27	View
From 4	-0.01	70.00K	$32.57	-$2.28M	Dec 27, 2019	4.97M	Grant	—	Dec 27	View
From 4	-0.00	24.00K	$34.67	-$832.08K	Nov 26, 2019	5.04M	Sale	Scheduled	Nov 22	View
From 4	0.00	409.00	$35.41	$14.48K	Nov 04, 2019	5.06M	Grant	—	Nov 01	View
From 4	-0.00	24.00K	$33.45	-$802.80K	Oct 28, 2019	5.06M	Sale	Scheduled	Oct 27	View
From 4	-0.00	24.00K	$35.86	-$860.64K	Sep 25, 2019	5.09M	Sale	Scheduled	Sep 24	View
From 4	0.00	24.00K	$36.22	$869.28K	Aug 28, 2019	5.11M	s	Scheduled	Aug 26	View
From 4	0.00	335.00	$38.82	$13.00K	Aug 06, 2019	5.14M	Grant	—	Aug 02	View
From 4	0.00	24.00K	$38.55	$925.20K	Jul 26, 2019	5.14M	Acquisition	—	Jul 26	View
From 4	0.19	5.00K	$34.23	$171.15K	Jul 23, 2019	31.40K	Grant	—	Jul 19	View
From 4	0.00	18.50K	$28.06	$519.11K	Jun 28, 2019	5.16M	Acquisition	Scheduled	Jun 28	View
From 4	-0.00	18.50K	$25.67	-$474.89K	May 29, 2019	5.18M	Sale	Scheduled	May 28	View
From 4/A	0.00	544.00	$22.53	$12.26K	May 02, 2019	5.20M	Grant	—	May 01	View
From 4	0.00	544.00	$22.53	$12.26K	May 02, 2019	5.16M	Grant	—	May 01	View
From 4	-0.00	18.50K	$22.11	-$409.03K	Apr 30, 2019	5.20M	Sale	Scheduled	Apr 26	View
From 4	-0.00	18.50K	$20.64	-$381.84K	Apr 01, 2019	5.21M	Sale	Scheduled	Mar 27	View
From 4	0.00	18.50K	$20.65	$382.03K	Feb 28, 2019	5.23M	s	—	Feb 26	View
From 4	0.00	627.00	$19.64	$12.31K	Feb 14, 2019	5.25M	Grant	—	Feb 12	View
From 4	-0.00	18.50K	$18.66	-$345.21K	Jan 29, 2019	5.25M	Sale	Scheduled	Jan 28	View
From 4	-0.02	115.00K	$19.70	-$2.27M	Dec 26, 2018	5.29M	Grant	—	Dec 10	View
From 4	-0.00	18.50K	$19.15	-$354.27K	Nov 29, 2018	5.40M	Disposition	Scheduled	Nov 27	View
From 4	0.00	21.60K	$11.65	$251.64K	Nov 20, 2018	5.42M	Options	—	Nov 19	View
From 4	0.00	404.00	$20.21	$8.16K	Nov 05, 2018	5.40M	Grant	—	Nov 01	View
From 4	-0.00	18.50K	$20.01	-$370.18K	Nov 01, 2018	5.40M	Sale	Scheduled	Oct 29	View
From 4	-0.00	18.50K	$19.92	-$368.52K	Sep 28, 2018	5.42M	Sale	Scheduled	Sep 27	View
From 4	-0.00	18.50K	$20.33	-$376.10K	Aug 28, 2018	5.44M	Sale	Scheduled	Aug 27	View
From 4	-0.00	18.50K	$17.76	-$328.56K	Jul 31, 2018	5.45M	Sale	Scheduled	Jul 27	View
From 4	0.01	37.50K	$6.40	$240.00K	Jul 12, 2018	5.47M	Options	—	Jul 11	View
From 4	-0.00	18.50K	$19.27	-$356.49K	May 30, 2018	5.45M	Sale	Scheduled	May 29	View
From 4	-0.00	18.50K	$17.20	-$318.20K	Apr 27, 2018	5.47M	Sale	Scheduled	Apr 26	View
From 4	0.00	25.00K	$5.61	$140.25K	Apr 23, 2018	5.49M	Options	—	Apr 23	View
From 4	-0.00	18.50K	$14.54	-$268.99K	Mar 28, 2018	5.47M	Sale	Scheduled	Mar 27	View
From 4	-0.00	18.50K	$16.13	-$298.50K	Feb 27, 2018	5.48M	Sale	Scheduled	Feb 27	View
From 4	0.00	17.50K	$5.61	$98.18K	Jan 29, 2018	5.52M	Options	—	Jan 24	View
From 4	-0.00	18.50K	$16.25	-$300.62K	Dec 29, 2017	5.50M	Sale	Scheduled	Dec 27	View
From 4	-0.02	90.00K	$15.90	-$1.43M	Dec 18, 2017	5.52M	Grant	—	Nov 28	View
From 4	-0.00	18.50K	$15.78	-$291.93K	Nov 29, 2017	5.61M	Sale	Scheduled	Nov 29	View
From 4	0.13	12.00K	—	—	Nov 20, 2017	104.00K	Grant	—	Nov 16	View
From 4	-0.00	18.50K	$16.37	-$302.84K	Oct 30, 2017	5.63M	Sale	Scheduled	Oct 28	View
From 4	-0.00	18.50K	$15.45	-$285.82K	Sep 29, 2017	5.65M	Sale	—	Sep 27	View
From 4	-0.00	18.50K	$14.15	-$261.82K	Aug 30, 2017	5.67M	Disposition	Scheduled	Aug 28	View
From 4	-0.00	18.50K	$15.07	-$278.86K	Jul 31, 2017	5.68M	Sale	—	Jul 27	View
From 4	-0.00	19.52K	$12.45	-$243.07K	May 11, 2017	5.70M	Sale	—	May 09	View
From 4	-0.00	24.60K	$12.52	-$307.94K	May 08, 2017	5.84M	Sale	—	May 04	View
From 4	-0.02	115.00K	$10.55	-$1.21M	Nov 22, 2016	5.75M	Grant	—	Nov 17	View
From 4	0.00	12.00K	$10.01	$120.12K	Nov 18, 2016	5.86M	Grant	—	Nov 16	View
From 4	-0.01	58.18K	$11.27	-$655.97K	Feb 02, 2016	5.90M	Sale	—	Jan 29	View
From 4	-0.01	32.08K	$11.21	-$359.51K	Jan 25, 2016	5.95M	Disposition	—	Jan 21	View
From 4/A	0.14	12.00K	$8.93	$107.16K	Jan 20, 2016	98.00K	Grant	—	Dec 02	View
From 4	-0.02	97.00K	$8.20	-$795.40K	Oct 05, 2015	5.95M	Grant	—	Oct 01	View
From 4	0.00	20.00K	$7.10	$142.00K	Dec 31, 2014	5.99M	Grant	—	Dec 03	View
From 4	-0.02	119.00K	$6.85	-$815.15K	Sep 02, 2014	6.00M	Grant	—	Aug 28	View
From 4	0.89	100.00K	$5.61	$561.00K	Dec 09, 2013	212.00K	Grant	—	Nov 27	View
From 4	-0.01	59.50K	$3.12	$38.04K	Dec 20, 2012	6.39M	Options	—	Dec 20	View
From 4	0.09	20.00K	$5.06	$101.20K	Sep 21, 2012	240.00K	Grant	—	Sep 10	View
From 4	0.83	100.00K	—	—	Dec 19, 2011	220.00K	Grant	—	Dec 19	View
From 4	-0.00	11.94K	$1.24	-$14.77K	Jul 21, 2011	6.66M	Options	—	Jul 20	View
From 4	-0.20	82.67K	$2.45	-$100.92K	Dec 02, 2010	340.00K	Disposition	—	Nov 30	View
From 4	-0.01	42.35K	$3.30	-$139.75K	Dec 11, 2006	3.96M	Grant	—	Dec 07	View
From 4/A	-0.54	17.50K	$3.25	-$1.37K	Aug 01, 2006	15.00K	Disposition	—	May 03 - 20	View
From 4	—	7.50K	$4.50	$33.75K	Aug 01, 2006	7.50K	Purchase	—	Jul 20	View
From 4	-0.01	16.00K	$5.18	-$82.88K	Dec 30, 2005	2.00M	Grant	—	Dec 30	View
From 4	-0.01	27.00K	$5.25	-$141.75K	Dec 21, 2004	2.02M	Grant	—	Dec 21	View
From 4	-0.01	30.00K	$4.20	-$126.00K	Dec 31, 2003	2.06M	Grant	—	Dec 31	View

Benzinga

Benzinga

Net Worth & Trading Activity Over Time

Monthly Trading Pattern

Past Insider Trading and Trends

Holdings & Transactions