Lorton Kenneth Patrick 4

4 · Schrodinger, Inc. · Filed Feb 12, 2026

AI-generated summary of this filing

Updated Feb 12, 2026

Schrodinger (SDGR) EVP/CTO/COO Kenneth Lorton Sells 925 Shares

What Happened

Kenneth Patrick Lorton, EVP, Chief Technology Officer & Chief Operating Officer (Software) at Schrodinger, sold 925 shares on 2026-02-10 in an open-market, broker-assisted transaction. The weighted-average sale price was $13.73, generating approximately $12,704 in proceeds. This was a sale (routine) rather than a purchase.

Key Details

Transaction date: 2026-02-10; weighted-average price reported: $13.73.
Price range: shares were sold in multiple trades between $13.625 and $13.8575 (reporting person can provide a per-trade breakdown on request).
Purpose/footnote: Sale effected under a durable Rule 10b5-1 automatic sale instruction (adopted March 9, 2023) and was a broker-assisted sale to satisfy withholding tax from vested RSUs — not a discretionary trade (F1).
Tax-withholding code: F (tax withholding) / sale to cover RSU taxes.
Shares owned after transaction: not specified in the filing; filing notes include 14,543 unvested RSUs (F3).
Filing timeliness: Form 4 filed 2026-02-12 for a 2026-02-10 trade — appears timely.

Context

This sale was for tax withholding on vested restricted stock units (RSUs) and was executed under a pre-established 10b5-1 plan, which generally indicates routine, non-discretionary selling. Such withholding sales are common and do not necessarily signal management sentiment about the company’s outlook.

Form 4

Period: 2026-02-10

EVP, CTO & COO, Software

Transactions

Footnotes (3)

[F1]This sale was effected pursuant to a durable automatic sale instruction under Rule 10b5-1 adopted by the reporting person on March 9, 2023, and represents a broker-assisted sale of shares to satisfy the payment of withholding tax liability incurred upon the vesting of restricted stock units ("RSUs"). The sale does not represent a discretionary trade by the reporting person.
[F2]The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.625 to $13.8575, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (2) of this Form 4.
[F3]Includes 14,543 unvested RSUs.

Signature

/s/ Donald Shum, as attorney-in-fact for Kenneth Patrick Lorton|2026-02-12

1 file