Inovio (INO) CFO granted stock options, RSUs and reports RSU vesting

Rhea-AI Filing Summary

INOVIO PHARMACEUTICALS, INC. CFO Peter Kies reported several equity compensation events on common stock and related awards. On May 20, 2026, 8,700 restricted stock units vested and were settled into common shares, with 4,688 shares withheld at a price of $1.23 to cover tax obligations. Following these transactions, he held 47,542 common shares directly and 375 common shares indirectly through his spouse. Kies also received new grants of 32,480 restricted stock units and 39,760 stock options with a $1.73 exercise price expiring on May 20, 2036, approved under Inovio’s amended and restated 2023 Omnibus Incentive Plan after shareholder approval.

Insights

Equity compensation analyst

Routine equity grants and RSU vesting for Inovio’s CFO, with tax withholding but no open-market trades.

The filing shows Peter Kies, CFO of INOVIO PHARMACEUTICALS, INC., receiving equity compensation: 8,700 restricted stock units vested into common shares and new grants of 32,480 RSUs plus 39,760 stock options at a $1.73 exercise price.

A Form 4 code F entry covers 4,688 shares withheld at $1.23 to satisfy tax obligations from RSU vesting, which is mechanical and not an open-market sale. After these events, he directly holds 47,542 common shares and retains the new RSU and option awards.

The stock option and RSU grants were approved under Inovio’s amended and restated 2023 Omnibus Incentive Plan, contingent on shareholder approval obtained on May 20, 2026. These are standard compensation-related transactions, so the overall impact on an investment view is neutral.

Insider Trade Summary

8,700 shares exercised/converted

Mixed 6 txns

Insider KIES PETER

Role CFO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Unit	8,700	$0.00	--
Grant/Award	Common Stock Option	39,760	$0.00	--
Grant/Award	Restricted Stock Unit	32,480	$0.00	--
Exercise	Common Stock	8,700	$0.00	--
Tax Withholding	Common Stock	4,688	$1.23	$6K
holding	Common Stock	--	--	--

Holdings After Transaction: Restricted Stock Unit — 17,400 shares (Direct, null); Common Stock Option — 39,760 shares (Direct, null); Common Stock — 47,542 shares (Direct, null); Common Stock — 375 shares (Indirect, By Spouse)

Footnotes (1)

1. Each restricted stock unit represents a contingent right to receive one share of common stock. The vesting schedule for the 26,100 restricted stock units was as follows: 8,700 shares vested on May 20, 2026; 8,700 shares will vest on May 20, 2027; 8,700 shares will vest on May 20, 2028. Vested restricted stock units can be settled in shares of common stock, cash or a combination of both. The transaction reported represents the withholding of shares by the issuer to satisfy the reporting person's tax withholding obligations in connection with the vesting and settlement of the restricted stock unit award reported in the immediately preceding row and described in footnote (1) herein. The stock option grant was approved by Inovio's Board of Directors on March 4, 2026, subject to shareholder approval of the amendment and restatement of the Amended and Restated 2023 Omnibus Incentive Plan under which the stock options were granted. Inovio's shareholders approved the amendment and restatement of the Amended and Restated 2023 Omnibus Incentive Plan on May 20, 2026. The vesting schedule for the options granted on May 20, 2026 was as follows: 13,254 shares will vest on February 26, 2027; 13,253 shares will vest on February 26, 2028; 13,253 shares will vest on February 26, 2029. Each restricted stock unit represents a contingent right to receive one share of common stock. The vesting schedule for the restricted stock units granted on May 20, 2026 was as follows: 10,827 shares will vest on February 26, 2027; 10,827 shares will vest on February 26, 2028; and 10,826 shares will vest on February 26, 2029. Vested restricted stock units can be settled in shares of common stock, cash or a combination of both. The restricted stock units were approved by Inovio's Board of Directors on March 4, 2026, subject to shareholder approval of the amendment and restatement of the Amended and Restated 2023 Omnibus Incentive Plan under which the restricted stock units were granted. Inovio's shareholders approved the amendment and restatement of the Amended and Restated 2023 Omnibus Incentive Plan on May 20, 2026.

Key Figures

RSUs vested: 8,700 units Shares withheld for taxes: 4,688 shares at $1.23 New RSU grant: 32,480 units +3 more

6 metrics

RSUs vested 8,700 units Restricted stock units vested on May 20, 2026

Shares withheld for taxes 4,688 shares at $1.23 Tax withholding on RSU vesting

New RSU grant 32,480 units Restricted stock units granted May 20, 2026

New option grant 39,760 options at $1.73 Stock options expiring May 20, 2036

Direct common shares after transactions 47,542 shares Direct holdings following May 20, 2026 events

Indirect common shares by spouse 375 shares Indirect ownership through spouse

Key Terms

Restricted Stock Unit, tax withholding, stock option grant, Omnibus Incentive Plan, +1 more

5 terms

Restricted Stock Unit financial

"Each restricted stock unit represents a contingent right to receive one share of common stock."

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

tax withholding financial

"represents the withholding of shares by the issuer to satisfy the reporting person's tax withholding obligations"

Tax withholding is the practice of taking a portion of a payment—such as wages, dividends, or sale proceeds—before it reaches the recipient and sending that portion to the tax authority as an advance on the recipient’s eventual tax bill. For investors it matters because withholding reduces immediate cash received and affects after‑tax returns, estimated tax payments, and whether you may owe more or receive a refund when taxes are finally calculated, like having a small automatic savings set aside for your tax bill.

stock option grant financial

"The stock option grant was approved by Inovio's Board of Directors on March 4, 2026"

Omnibus Incentive Plan financial

"the Amended and Restated 2023 Omnibus Incentive Plan under which the stock options were granted"

An omnibus incentive plan is a single, flexible program a company uses to give employees and executives different types of pay tied to performance — for example stock options, restricted shares, cash bonuses and other awards — all governed by one set of rules. It matters to investors because it determines how many new shares may be created, how leaders are motivated and how much the company will spend on compensation over time; think of it as a master toolbox that affects both costs and the total share supply.

exercise price financial

"stock options with a 1.7300 exercise price expiring on May 20, 2036"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

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).

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^*

KIES PETER

(Last) (First) (Middle)

C/O INOVIO PHARMACEUTICALS, INC.

6769 MESA RIDGE ROAD

(Street)

SAN DIEGO CALIFORNIA 92121

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
INOVIO PHARMACEUTICALS, INC. [ INO ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

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	05/20/2026		M		8,700	A	(1)	47,542	D
Common Stock	05/20/2026		F		4,688(2)	D	$1.23	42,854	D
Common Stock								375	I	By Spouse

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
Restricted Stock Unit	(1)	05/20/2026		M			8,700	(1)	(1)	Common Stock	8,700	$0	17,400	D
Common Stock Option	$1.73	05/20/2026(3)		A		39,760		(4)	05/20/2036	Common Stock	39,760	$0	39,760	D
Restricted Stock Unit	(5)	05/20/2026(6)		A		32,480		(5)	(5)	Common Stock	32,480	$0	32,480	D

Explanation of Responses:

1. Each restricted stock unit represents a contingent right to receive one share of common stock. The vesting schedule for the 26,100 restricted stock units was as follows: 8,700 shares vested on May 20, 2026; 8,700 shares will vest on May 20, 2027; 8,700 shares will vest on May 20, 2028. Vested restricted stock units can be settled in shares of common stock, cash or a combination of both.

2. The transaction reported represents the withholding of shares by the issuer to satisfy the reporting person's tax withholding obligations in connection with the vesting and settlement of the restricted stock unit award reported in the immediately preceding row and described in footnote (1) herein.

3. The stock option grant was approved by Inovio's Board of Directors on March 4, 2026, subject to shareholder approval of the amendment and restatement of the Amended and Restated 2023 Omnibus Incentive Plan under which the stock options were granted. Inovio's shareholders approved the amendment and restatement of the Amended and Restated 2023 Omnibus Incentive Plan on May 20, 2026.

4. The vesting schedule for the options granted on May 20, 2026 was as follows: 13,254 shares will vest on February 26, 2027; 13,253 shares will vest on February 26, 2028; 13,253 shares will vest on February 26, 2029.

5. Each restricted stock unit represents a contingent right to receive one share of common stock. The vesting schedule for the restricted stock units granted on May 20, 2026 was as follows: 10,827 shares will vest on February 26, 2027; 10,827 shares will vest on February 26, 2028; and 10,826 shares will vest on February 26, 2029. Vested restricted stock units can be settled in shares of common stock, cash or a combination of both.

6. The restricted stock units were approved by Inovio's Board of Directors on March 4, 2026, subject to shareholder approval of the amendment and restatement of the Amended and Restated 2023 Omnibus Incentive Plan under which the restricted stock units were granted. Inovio's shareholders approved the amendment and restatement of the Amended and Restated 2023 Omnibus Incentive Plan on May 20, 2026.

Remarks:

	/s/ Peter Kies	05/21/2026
	** 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)