DFIN (DFIN) CEO Daniel Leib sells 10,000 shares in planned trade

Rhea-AI Filing Summary

Donnelley Financial Solutions CEO Daniel Leib reported an open-market sale of 10,000 shares of common stock on February 26, 2026, at a weighted average price of $50.3587 per share. The trade was executed under a pre-arranged Rule 10b5-1 trading plan adopted on September 11, 2025. After this sale, Leib’s holdings total 568,181 shares, including 443,953 shares held directly, 75,770 restricted stock units, and 48,458 earned performance share units with additional service-based vesting.

Insider Trade Summary

Net Seller: 10,000 shares ($503,587)

Net Sell 1 txn

Insider Leib Daniel

Role Chief Executive Officer

Sold 10,000 shs ($504K)

Type	Security	Shares	Price	Value
Sale	Common Stock	10,000	$50.3587	$504K

Holdings After Transaction: Common Stock — 568,181 shares (Direct)

Footnotes (1)

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 11, 2025. The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $50.01 to $50.85 per share. The Reporting Person undertakes to provide to the staff, the issuer or a security holder full information regarding the number of shares sold at each separate price. Includes 443,953 shares held directly, 75,770 restricted stock unit, and 48,458 earned performance share units with additional service-based vesting.

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^*

Leib Daniel

(Last) (First) (Middle)

C/O DONNELLEY FINANCIAL SOLUTIONS

391 STEEL WAY

(Street)

LANCASTER PA 17601

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Donnelley Financial Solutions, Inc. [ DFIN ]

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

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	02/26/2026		S(1)		10,000	D	$50.3587(2)	568,181(3)	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. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 11, 2025.

2. The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $50.01 to $50.85 per share. The Reporting Person undertakes to provide to the staff, the issuer or a security holder full information regarding the number of shares sold at each separate price.

3. Includes 443,953 shares held directly, 75,770 restricted stock unit, and 48,458 earned performance share units with additional service-based vesting.

	William Zola, pursuant to power of attorney	03/02/2026
	** 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 DFIN CEO Daniel Leib report on this Form 4?

DFIN CEO Daniel Leib reported selling 10,000 shares of common stock in an open-market transaction on February 26, 2026. The weighted average sale price was $50.3587 per share, with individual trade prices ranging from $50.01 to $50.85.

Was the DFIN CEO stock sale part of a pre-arranged 10b5-1 trading plan?

Yes. The reported DFIN CEO sale was made under a Rule 10b5-1 trading plan adopted on September 11, 2025. Such plans allow executives to schedule trades in advance, helping separate personal trading decisions from day-to-day market information.

How many Donnelley Financial (DFIN) shares does Daniel Leib hold after the sale?

After the February 26, 2026 sale, Daniel Leib holds 568,181 DFIN shares in total. This includes 443,953 shares held directly, plus 75,770 restricted stock units and 48,458 earned performance share units that are subject to additional service-based vesting.

What price range were DFIN shares sold at in Daniel Leib’s Form 4 transaction?

The Form 4 notes that the weighted average sale price was $50.3587 per share. Individual trades occurred within a price range of $50.01 to $50.85 per share, and detailed breakdowns by price level are available upon request.

What type of security did the DFIN Form 4 insider transaction involve?

The reported insider transaction involved DFIN common stock. Daniel Leib sold 10,000 common shares in an open-market transaction, while continuing to hold a mix of directly owned shares, restricted stock units, and earned performance share units after the trade.

Does the DFIN Form 4 indicate whether the insider transaction was a buy or sell?

The Form 4 lists the transaction under code “S”, indicating a sale in the open market or private transaction. It specifies that 10,000 common shares were sold, and the transaction is characterized as an open-market sale by the reporting person.