Simulations Plus, Inc. (SLP)
SLP · Services-Computer Integrated Systems Design · Research Triangle Park, NC · filing with the SEC since 1996
Grade5.7
◀ Past 6.1● Present 5.7▶ Future 4.9
Who owns Simulations Plus, Inc.
As filed with the SECHolders of 5% or more
4
First Light Asset Management, LLC holds 13.2% of Common Stock, $0.001 par value, as its SCHEDULE 13G filed Feb 6, 2026 says.
Directors and officers
10
report now, of 19 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
First Light Asset Management, LLC
SCHEDULE 13G · filed Feb 6, 2026 · Common Stock, $0.001 par value
Conestoga Capital Advisors
SCHEDULE 13G · filed Jan 10, 2025 · Common Stock
Blackrock, Inc.
SCHEDULE 13G/A · filed Oct 2, 2025 · Common Stock
First Eagle Investment Management, LLC
SCHEDULE 13G · filed Aug 6, 2026 · Common
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%, from 5.02% in Jan 30, 2026
What SLP reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Pro Ficiency
A company bought · acquisition · May 2024 · owns, named in the 10-K filed Dec 1, 2025
Adaptive Learning & Insights
A company bought · acquisition · Aug 2023 · owns, named in the 10-K filed Dec 1, 2025
Clinical Pharmacology and Pharmacometric
A company bought · acquisition · Aug 2023 · owns, named in the 10-K filed Dec 1, 2025
Quantitative Systems Pharmacology
A company bought · acquisition · Aug 2023 · owns, named in the 10-K filed Dec 1, 2025
Immunetrics
A company bought · acquisition · Jun 2023 · owns, named in the 10-K filed Dec 1, 2025
1 subsidiary in 1 country, from the list filed with the 10-K filed Dec 1, 2025.
Insider tradesForm 4
12sales
0purchases
12sales on a scheduled plan
5people selling
$800,000sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Oct 6, 2025 to Oct 6, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 6, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window5 of 19 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Woltosz Virginia E | Secretary-Treasurer | 2 | $300,000 | 2 | 0 | $0 |
| Fiedler-Kelly Jill | President, Services Solutions | 3 | $200,000 | 3 | 0 | $0 |
| Woltosz Walter S | Secretary-Treasurer | 1 | $200,000 | 1 | 0 | $0 |
| Dibella John Anthony II | Chief Revenue Officer | 5 | $100,000 | 5 | 0 | $0 |
| Lavange Lisa | director | 1 | $0 | 1 | 0 | $0 |