INOVIO PHARMACEUTICALS, INC. (INO) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-05-21

INOVIO PHARMACEUTICALS, INC. (INO) has filed 15 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-21. 2 Form 8-K material event filings were reported by INO in the last 90 days. InsiderAlpha tracks every INO SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About INOVIO PHARMACEUTICALS, INC. (INO)

SEC CIK	0001055726

90-Day SEC Filing Activity

Form 4 filings (90d)	15
Form 8-K filings (90d)	2
Latest Form 4 filing	2026-05-21

Recent INO Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-05-20	Sumner Michael John	Chief Medical Officer	F — Tax withholding / forfeiture	2.7K	$1.23	$3K	SEC
2026-05-20	Shea Jacqueline Elizabeth	Chief Executive Officer	F — Tax withholding / forfeiture	12.3K	$1.23	$15K	SEC
2026-05-20	Shea Jacqueline Elizabeth	Chief Executive Officer	M — Option exercise	28.3K	—	—	SEC
2026-05-20	Humeau Laurent	Chief Scientific Officer	M — Option exercise	6.0K	—	—	SEC
2026-05-20	Humeau Laurent	Chief Scientific Officer	F — Tax withholding / forfeiture	2.2K	$1.23	$3K	SEC
2026-05-20	Sumner Michael John	Chief Medical Officer	M — Option exercise	9.4K	—	—	SEC
2026-05-20	KIES PETER	CFO	M — Option exercise	8.7K	—	—	SEC
2026-05-20	KIES PETER	CFO	F — Tax withholding / forfeiture	4.7K	$1.23	$6K	SEC
2026-05-15	Humeau Laurent	Chief Scientific Officer	F — Tax withholding / forfeiture	1.7K	$1.30	$2K	SEC
2026-05-15	Sumner Michael John	Chief Medical Officer	F — Tax withholding / forfeiture	680	$1.30	$884	SEC
2026-05-15	KIES PETER	CFO	M — Option exercise	4.8K	—	—	SEC
2026-05-15	Sumner Michael John	Chief Medical Officer	M — Option exercise	2.4K	—	—	SEC
2026-05-15	Shea Jacqueline Elizabeth	Chief Executive Officer	F — Tax withholding / forfeiture	7.7K	$1.30	$10K	SEC
2026-05-15	KIES PETER	CFO	F — Tax withholding / forfeiture	2.6K	$1.30	$3K	SEC
2026-05-15	Humeau Laurent	Chief Scientific Officer	M — Option exercise	4.8K	—	—	SEC

All transactions sourced from SEC EDGAR Form 4 filings for INOVIO PHARMACEUTICALS, INC. (INO). Updated in real time as new filings are submitted to the SEC.

Most-Active INO Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
Sumner Michael John	8	$4K
Shea Jacqueline Elizabeth	8	$25K
Humeau Laurent	8	$5K
KIES PETER	8	$9K
DANSEY ROGER D	2	—

Recent INO Form 8-K Material Events

2026-05-20 — Item 5.03, 5.07, 9.01 [SEC]
2026-05-13 — Item 2.02, 9.01 [SEC]
2026-04-06 — Item 1.01, 8.01, 9.01 · Financing · neutral [SEC]
Inovio Pharmaceuticals entered into an underwriting agreement on April 2, 2026 to conduct a public offering of 12.5 million shares of common stock at $1.40 per share, along with Series A and Series B warrants. The company expects to raise approximately $16 million in net proceeds
2026-04-02 — Item 8.01 · Other · neutral [SEC]
Inovio Pharmaceuticals suspended and terminated its at-the-market (ATM) offering prospectus with Oppenheimer & Co., effective April 1, 2026. The company had issued 1,319,644 shares for $3.2 million in gross proceeds under the program since August 2024, and will not make further s
2026-03-12 — Item 2.02, 9.01 [SEC]

Recent Insider Filings

2026-05-21 — YARNO WENDY L (Director)
2026-05-21 — Shepard Jay (Director)
2026-05-21 — Miller Ann Calby (Director)
2026-05-21 — Weiner David B. (Director)
2026-05-21 — Zoth Lota S. (Director)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in INO insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

INO Insider Trading — FAQ

What is the latest insider trade for INO?: INOVIO PHARMACEUTICALS, INC. (INO) had 15 insider filings in the last 90 days, with the most recent on 2026-05-21. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying INO stock?: 0 insider purchases of INO were filed in the last 90 days.
How many insiders are selling INO stock?: 0 insider sales of INO were filed in the last 90 days.
Where can I see INO SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every INO SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

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