Welcome to our dedicated page for Simulations Plus SEC filings (Ticker: SLP), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
Simulations Plus, Inc. filings document a California operating company that reports as a provider of model-informed and AI-accelerated drug development software and services. Its 8-K reports furnish quarterly financial results, investor presentation materials, preliminary operating updates, guidance-related disclosures, and Regulation FD information tied to its software and services business.
The company’s proxy and governance filings cover annual meeting voting, director and executive compensation matters, shareholder approval of amendments to the 2021 Equity Incentive Plan, and common-stock authorization for equity awards. Other material-event reports document executive employment agreements, changes in the independent registered public accounting firm, internal-control and segment-reporting matters, and related audit committee actions.
Company SLP: Rule 144 resale notice reporting planned sales under a 10b5-1 plan. The filing lists two transactions: 15,000 shares sold on 05/04/2026 for $226,899 and 15,000 shares sold on 06/01/2026 for $261,394.50. The document identifies the seller as Virginia Evans Woltosz & Walter S. Woltosz and references Founders Shares and a filing date of 07/01/2026.
Simulations Plus, Inc. executive Jill Fiedler-Kelly, President, Services Solutions, exercised employee stock options for 7,350 shares of common stock at $10.05 per share and sold the same 7,350 shares in an open-market transaction at $18.20 per share. The transactions were carried out automatically under a pre-arranged Rule 10b5-1 trading plan. Following these transactions, she holds 77,817 shares of Simulations Plus common stock directly.
Simulations Plus, Inc. entered into a definitive agreement to be acquired by an affiliate of Altaris, LLC. In the all-cash deal, each outstanding Simulations Plus common share will be converted at closing into the right to receive $18.50 per share, excluding treasury, Parent-held and dissenting shares.
Closing is subject to approval by a majority of outstanding shares, antitrust and other regulatory clearances, and customary conditions, but is not subject to a financing condition. Major shareholders Walter and Virginia Woltosz agreed to vote approximately 3,252,800 shares, about 16% of the company, in favor of the merger.
The agreement includes mutual termination rights, a $13 million company termination fee in specified circumstances and a $26 million parent termination fee if Parent fails to close when required. A separate transaction bonus program provides about $3.114 million in contingent cash bonuses to selected employees, payable only if the merger closes.
SLP reports insider dispositions and an option exercise. Jill Fiedler-Kelly completed 10b5-1 sales of 1,050 shares on 06/15/2026 and 1,000 shares on 05/11/2026. The filing also records an exercise of stock options resulting in 5,250 shares on 06/16/2026 for cash.
Simulations Plus, Inc. executive Jill Fiedler-Kelly, President, Services Solutions, reported an option exercise and related share sale in company stock. She exercised employee stock options for 1,050 shares of common stock at $10.05 per share and then sold 1,050 shares in an open-market transaction at $16.51 per share.
The sale was executed automatically under a pre-arranged Rule 10b5-1 trading plan, indicating it was scheduled in advance rather than timed discretionarily. After these transactions, she directly holds 77,817 shares of Simulations Plus common stock and 7,350 stock options that remain outstanding.
Simulations Plus, Inc. agreed to be acquired by affiliates of Altaris, LLC in an all-cash transaction valued at approximately $375 million. Stockholders will receive $18.50 per share in cash, a 26% premium to the company’s 60‑day volume‑weighted average price as of June 15, 2026.
The deal was unanimously approved by the board and is expected to close in the fourth quarter of 2026, subject to stockholder and regulatory approvals and other customary closing conditions. Altaris plans to combine Simulations Plus with its portfolio company Chemical Computing Group, while keeping Simulations Plus’ headquarters in Research Triangle Park, North Carolina.
Co‑founder and director Dr. Walter Woltosz signed a voting and support agreement to vote his shares in favor of the merger. After closing, Simulations Plus will become a privately held subsidiary of Altaris and its common stock will cease trading on the Nasdaq Stock Market.
SLP affiliate submitted a Form 144 reporting proposed and recent transactions in Common Stock. The report shows an exercise of stock options for 3,150 shares on 06/15/2026 for cash and a prior 10b5-1 sale of 1,000 shares on 05/11/2026 that lists $16,530.00 alongside the sale.
Simulations Plus, Inc. Chief Revenue Officer John Anthony DiBella II reported an open-market sale of company stock. He sold 1,000 shares of common stock at $16.50 per share in a single transaction.
The trade was executed automatically under a pre-arranged Rule 10b5-1 trading plan adopted by the reporting person, indicating it was scheduled in advance rather than timed discretionarily. After the sale, he directly holds 87,140 shares of Simulations Plus common stock, so the transaction represents only a small fraction of his reported direct holdings.
Simulations Plus, Inc. major shareholders Walter S. and Virginia E. Woltsoz reported an open-market sale of 15,000 shares of Common Stock on 2026-06-01 at an average price of $17.43 per share. The sale was executed automatically under a pre-arranged Rule 10b5-1 trading plan adopted by the reporting persons. After the transaction, they collectively reported direct ownership of 3,252,800 shares of Simulations Plus Common Stock.
SLP reports a proposed sale of 15,000 common shares under Rule 144. The notice lists 15,000 shares and references transactions dated 05/04/2026 and an issuer filing date of 06/01/2026. The shares are labeled Founders Shares with an original date of 07/01/1996.
The filing shows dollar figures of $256,650.00 and $226,899.00 alongside the share counts; the filing identifies the seller relationship as 10b5-1 sales by named individuals. This notice is an administrative disclosure of an intended resale under the securities resale rules.