Schrodinger (SDGR) officer tax-withholding sale of 1,300 shares under 10b5-1 plan

Rhea-AI Filing Summary

Schrodinger, Inc. officer Robert Lorne Abel reported an open-market sale of 1,300 shares of common stock on March 4, 2026 at $12.81 per share. After this transaction, he directly owned 55,897 shares.

According to the disclosure, the sale was executed under a Rule 10b5-1 trading plan adopted on August 25, 2025 and was a broker-assisted sale to cover withholding tax due upon the vesting of restricted stock units. The filing notes that this did not represent a discretionary trade by the officer and that his holdings include 49,824 unvested RSUs.

Insider Trade Summary

Net Seller: 1,300 shares ($16,653)

Net Sell 1 txn

Insider Abel Robert Lorne

Role See Remarks

Sold 1,300 shs ($17K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,300	$12.81	$17K

Holdings After Transaction: Common Stock — 55,897 shares (Direct)

Footnotes (1)

1. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 25, 2025, 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. Includes 49,824 unvested RSUs.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Abel Robert Lorne

(Last) (First) (Middle)

C/O SCHRODINGER, INC.,

1540 BROADWAY, 24TH FLOOR

(Street)

NEW YORK NY 10036

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Schrodinger, Inc. [ SDGR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	See Remarks

3. Date of Earliest Transaction (Month/Day/Year)
03/04/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	03/04/2026		S(1)		1,300	D	$12.81	55,897(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 25, 2025, 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.

2. Includes 49,824 unvested RSUs.

Remarks:

EVP, Chief Scientific Officer, Platform

	/s/ Donald Shum, as attorney-in-fact for Robert Lorne Abel	03/06/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Schrodinger (SDGR) report for Robert Lorne Abel?

Schrodinger reported that officer Robert Lorne Abel sold 1,300 shares of common stock. The sale occurred on March 4, 2026 at $12.81 per share in an open-market transaction, according to the Form 4 filing details.

Was the Schrodinger (SDGR) insider sale by Robert Lorne Abel discretionary?

No, the sale was not discretionary. It was executed under a Rule 10b5-1 trading plan adopted on August 25, 2025 and served as a broker-assisted sale to cover withholding tax from vested restricted stock units.

How many Schrodinger (SDGR) shares does Robert Lorne Abel hold after the Form 4 sale?

After the reported sale, Robert Lorne Abel directly holds 55,897 shares of Schrodinger common stock. The filing also indicates his position includes 49,824 unvested restricted stock units in addition to those directly owned shares.

What price did Robert Lorne Abel receive per Schrodinger (SDGR) share in the sale?

He received $12.81 per share in the transaction. The Form 4 describes this as an open-market sale of 1,300 common shares at that price, conducted by a broker in connection with satisfying withholding tax obligations from RSU vesting.

Why did Robert Lorne Abel sell Schrodinger (SDGR) shares according to the Form 4?

The filing states the sale was to satisfy withholding tax liability from the vesting of restricted stock units. It was executed as a broker-assisted transaction under a pre-established Rule 10b5-1 trading plan and was not a discretionary trade by the officer.

What restricted stock unit position does Robert Lorne Abel have at Schrodinger (SDGR)?

The disclosure notes that his holdings include 49,824 unvested restricted stock units. These RSUs are separate from the 55,897 common shares he directly owns after the reported March 4, 2026 open-market sale.