Donnelley Financial officer sells 16,450 shares

DFIN’s Chief People & Intl Officer sold 16,450 shares and now reports beneficial ownership of 44,353 shares including equity awards.

Rhea-AI Filing Summary

Donnelley Financial Solutions, Inc. (DFIN) reported that Robert Kirk Williams, Chief People & Intl Officer, sold 16,450 shares of common stock on September 3, 2026 in an open-market transaction at a weighted average price of $48.77 per share, within a range of $48.75 to $48.87. Following this sale, he reports 44,353 shares beneficially owned, including 20,000 shares held directly, 22,174 restricted stock units, and 2,179 earned performance share units with additional service-based vesting. No Rule 10b5-1 trading plan is reported for this transaction.

Insider Trade Summary

Net Seller: 16,450 shares

Net Sell 1 txn

Insider Williams Robert Kirk

Role Chief People & Intl Officer

Sold 16,450 shs ($802K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	16,450	$48.7654	$802K

Holdings After Transaction: Common Stock — 44,353 shares (Direct)

Footnotes (2)

1. F1. The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $48.75 to $48.87 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.
2. F2. Includes 20,000 shares held directly, 22,174 restricted stock units, and 2,179 earned performance share units with additional service-based vesting.

Key Figures

Shares sold: 16,450 shares Weighted average sale price: $48.77 per share Shares beneficially owned after transaction: 44,353 shares +2 more

5 metrics

Shares sold 16,450 shares Sale of DFIN common stock on September 3, 2026 by Robert Kirk Williams

Weighted average sale price $48.77 per share Open-market sale price range $48.75 to $48.87 per share

Shares beneficially owned after transaction 44,353 shares Post-transaction holdings reported by Robert Kirk Williams

Restricted stock units 22,174 units Part of post-transaction beneficial ownership of Robert Kirk Williams

Earned performance share units 2,179 units Earned PSUs with additional service-based vesting held by Robert Kirk Williams

Key Terms

weighted average sale price, restricted stock units, performance share units

3 terms

weighted average sale price financial

"The reported price represents a weighted average sale price."

restricted stock units financial

"Includes 20,000 shares held directly, 22,174 restricted stock units, and 2,179 earned"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

performance share units financial

"22,174 restricted stock units, and 2,179 earned performance share units with additional"

Performance share units are a type of company stock award given to employees that depend on the company meeting specific goals or targets. If these goals are achieved, the employee receives shares or the value of shares; if not, they may receive little or no compensation. This aligns employees’ interests with the company's success and encourages performance that benefits investors.

FAQ

What insider transaction did DFIN report for Robert Kirk Williams?

DFIN reported that Chief People & Intl Officer Robert Kirk Williams sold 16,450 shares of common stock on September 3, 2026 in an open-market transaction at a weighted average price of $48.77 per share, with a price range from $48.75 to $48.87.

How many DFIN shares does Robert Kirk Williams hold after this transaction?

After the sale, Robert Kirk Williams reports beneficial ownership of 44,353 shares, consisting of 20,000 shares held directly, 22,174 restricted stock units, and 2,179 earned performance share units that have additional service-based vesting conditions.

Was the DFIN insider sale by Robert Kirk Williams under a Rule 10b5-1 plan?

No. The filing indicates that the Rule 10b5-1 trading plan checkbox is not selected, so the 16,450-share sale by Robert Kirk Williams on September 3, 2026 is not reported as being made under a Rule 10b5-1 trading plan.

What price range did the DFIN shares sell for in Robert Kirk Williams’ transaction?

The filing states that the sale price is a weighted average, with DFIN common stock sold in a price range from $48.75 to $48.87 per share. The reported weighted average sale price is $48.77 per share.

What types of equity awards does Robert Kirk Williams hold at DFIN?

Robert Kirk Williams holds 22,174 restricted stock units and 2,179 earned performance share units with additional service-based vesting, in addition to 20,000 shares of DFIN common stock held directly, for total beneficial ownership of 44,353 shares.

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Available on EDGAR 09/08/2026 - 04:30 PM Accepted by SEC EDGAR 09/08/2026 - 04:30 PM Learn about SEC filing dates

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).

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^*

Williams Robert Kirk

(Last) (First) (Middle)

C/O DONNELLEY FINANCIAL SOLUTIONS

391 STEEL WAY

(Street)

LANCASTER PENNSYLVANIA 17601

(City) (State) (Zip)

UNITED STATES

(Country)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief People & Intl Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/03/2026

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

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

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

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	09/03/2026		S		16,450	D	$48.7654(1)	44,353(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. The reported price represents a weighted average sale price. The range of prices at which common stock was sold was $48.75 to $48.87 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.

2. Includes 20,000 shares held directly, 22,174 restricted stock units, and 2,179 earned performance share units with additional service-based vesting.

	William Zola, pursuant to power of attorney	09/08/2026
	** 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.
* Form 4: SEC 1474 (03-26)