Fiserv director awarded 765 deferred stock units

Mamilli Wafaa reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Mamilli Wafaa reported acquisition or exercise transactions in this Form 4 filing.

Fiserv Inc. director Wafaa Mamilli received 765 deferred compensation notional units on June 30, 2026 under the company’s Non-Employee Director Deferred Compensation Plan. The units were credited in respect of $37,500 of deferred director fees, using the closing Fiserv common stock price of $49.05 per share on the deferral date.

Each notional unit represents one share of Fiserv common stock to be delivered after Mamilli’s board service ends, settling on a one-for-one basis. Following this award, Mamilli directly holds 2,640 deferred compensation notional units linked to Fiserv common stock.

Insider Trade Summary

Grant/Award: 765 shares

Grant/Award 1 txn

Insider Mamilli Wafaa

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Deferred Compensation Notional Units	765	$49.05	$38K

Holdings After Transaction: Deferred Compensation Notional Units — 2,640 contracts (Direct)

Footnotes (1)

1. F1. These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the "Plan"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis.

Key Figures

Deferred units granted: 765 notional units Deferred compensation amount: $37,500 Reference stock price: $49.05 per share +2 more

5 metrics

Deferred units granted 765 notional units Credited on June 30, 2026 for deferred director fees

Deferred compensation amount $37,500 Director fees converted into notional units under the plan

Reference stock price $49.05 per share Fiserv closing price on June 30, 2026 used to calculate units

Units after transaction 2,640 notional units Total deferred compensation notional units held directly after award

Settlement ratio 1 unit : 1 share Each notional unit settles into one Fiserv common share after service

Key Terms

Deferred Compensation Notional Units, Non-Employee Director Deferred Compensation Plan, deferred compensation, notional units

4 terms

Deferred Compensation Notional Units financial

"These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan"

Non-Employee Director Deferred Compensation Plan financial

"allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the "Plan")"

deferred compensation financial

"in respect of $37,500 of deferred compensation"

Deferred compensation is pay that employees or executives have earned now but will receive at a later date, such as delayed bonuses, retirement benefits, or stock grants. It matters to investors because it creates future obligations and shapes incentives—like a promise to pay later that can affect a company’s reported profits, cash needs and potential stock dilution—so it helps signal how a business manages costs and retains key people.

notional units financial

"allocation of notional units under the Plan"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Fiserv (FISV) director Wafaa Mamilli report on this Form 4?

Wafaa Mamilli reported receiving 765 deferred compensation notional units tied to Fiserv common stock. These units were credited as part of director compensation in lieu of cash fees under Fiserv’s Non-Employee Director Deferred Compensation Plan.

How was the number of units determined for Wafaa Mamilli at Fiserv (FISV)?

The 765 notional units were calculated by dividing $37,500 of deferred director fees by Fiserv’s $49.05 closing stock price on June 30, 2026. This formula directly links the number of units to the company’s share price on the deferral date.

When will Wafaa Mamilli’s deferred units at Fiserv (FISV) be settled?

Each deferred compensation notional unit will be settled after Mamilli’s service to Fiserv ends. At that time, each notional unit converts into one share of Fiserv common stock, providing equity-based compensation instead of immediate cash fees.

How many deferred compensation notional units does Wafaa Mamilli hold after this Fiserv (FISV) transaction?

After this grant, Mamilli directly holds 2,640 deferred compensation notional units. Each unit is linked to one underlying share of Fiserv common stock, to be delivered on a one-for-one basis when her board service concludes.

Is Wafaa Mamilli buying or selling Fiserv (FISV) stock in this Form 4?

This Form 4 reflects a compensation-related award, not an open-market trade. Mamilli received 765 deferred compensation notional units in exchange for deferring $37,500 of director fees, rather than buying or selling Fiserv shares in the market.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/01/2026 - 07:45 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^*

Mamilli Wafaa

(Last) (First) (Middle)

600 N. VEL R. PHILLIPS AVENUE

(Street)

MILWAUKEE WISCONSIN 53203

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
FISERV INC [ FISV ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/30/2026

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

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
Deferred Compensation Notional Units	(1)	06/30/2026		A		765		(1)	(1)	Common Stock	765	$49.05(1)	2,640	D

Explanation of Responses:

1. These deferred compensation notional units were allocated under the Fiserv, Inc. Non-Employee Director Deferred Compensation Plan (the "Plan"), under which director fees otherwise payable in cash may be deferred in exchange for the allocation of notional units under the Plan. This Form 4 reports the crediting of units under the Plan on June 30, 2026, in respect of $37,500 of deferred compensation. The number of notional units credited is calculated by dividing the amount of compensation that is deferred by the closing price of the company's common stock on the date of deferral, or last business day prior. On June 30, 2026, the closing price of Fiserv's common stock was $49.05 per share. Following cessation of the reporting person's service to the company, each notional unit will be settled in shares of Fiserv common stock on a one-for-one basis.

Remarks:

	/s/ Eric C. Nelson (attorney-in-fact)	07/01/2026
	** 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)