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INmune Bio (INMB) CSO exercises April 2024 warrants and extends remaining term

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

INmune Bio, Inc. Chief Scientific Officer Mark William Lowdell exercised common stock purchase warrants to acquire 7,211 shares of Common Stock at an exercise price of $1.40 per share. This increased his directly held stake to 1,518,017 Common shares.

The exercise was part of a warrant inducement arrangement tied to April 2024 Warrants. Lowdell agreed to exercise 50% of his April 2024 Warrants for cash, while the company extended the maturity date of the remaining 50% of those warrants from June 30, 2026 to December 31, 2027.

Positive

  • None.

Negative

  • None.
Insider Lowdell Mark William
Role Chief Scientific Officer
Type Security Shares Price Value
X Common Stock Purchase Warrant 7,211 $0.125 $901.38
Exercise Common Stock 7,211 $1.40 $10K
Holdings After Transaction: Common Stock Purchase Warrant — 7,212 shares (Direct, null); Common Stock — 1,518,017 shares (Direct, null)
Footnotes (1)
  1. [object Object]
Shares acquired via exercise 7,211 shares Common Stock from April 2024 Warrants exercised on July 2, 2026
Exercise price $1.40 per share Cash exercise price for 7,211 April 2024 Warrants
Shares held after transaction 1,518,017 shares Total Common Stock directly owned by Lowdell following exercise
Warrants exercised 50% of April 2024 Warrants Portion of Lowdell’s April 2024 Warrants exercised for cash
Remaining warrant maturity extension to December 31, 2027 New maturity date for unexercised April 2024 Warrants, from June 30, 2026
Warrant exercise transaction price $0.1250 per warrant Reported transaction price per Common Stock Purchase Warrant
Common Stock Purchase Warrant financial
"Represents 7,211 shares of Common Stock acquired upon exercise of common stock purchase warrants held by the Reporting Person."
A common stock purchase warrant is a tradable certificate that gives its holder the right to buy a company’s common shares at a fixed price for a set period. Think of it as a coupon that lets you buy stock later at today’s agreed price; it can amplify gains if the share price rises but also can increase the total number of shares outstanding, which may reduce existing owners’ percentage of the company. Investors watch warrants because they offer leveraged upside and can affect future share value and ownership.
warrant inducement offer letter agreement financial
"entered into a warrant inducement offer letter agreement with the Issuer (the "Inducement Letter")."
April 2024 Warrants financial
"as such warrants were amended on December 22, 2025 (the "April 2024 Warrants"), entered into a warrant inducement offer letter agreement"
exercise price financial
"agreed to purchase 7,211 shares of common stock at a reduced exercise price of $1.40"
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.
maturity date financial
"extend the maturity date of the April 2024 Warrants, as it relates to the remaining 50%"
The maturity date is the specific day when a loan, bond, or investment reaches its full term and the borrower must repay the borrowed amount in full. It is important for investors because it indicates when they will receive their initial money back and can plan their future financial steps accordingly. Think of it as the due date for a loan or the day a gift card or coupon expires.
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FAQ

What did INmune Bio (INMB) executive Mark Lowdell report in this Form 4?

Mark William Lowdell, Chief Scientific Officer of INmune Bio, reported exercising common stock purchase warrants to acquire 7,211 shares of Common Stock at $1.40 per share, increasing his directly held position to 1,518,017 shares following the transaction.

How many INmune Bio (INMB) shares does Mark Lowdell hold after this warrant exercise?

After exercising warrants for 7,211 shares, Chief Scientific Officer Mark William Lowdell holds 1,518,017 shares of INmune Bio Common Stock directly. This figure reflects his position immediately following the reported derivative exercise on July 2, 2026, as disclosed in the Form 4.

What were the terms of the INmune Bio (INMB) warrant exercise reported by Mark Lowdell?

Lowdell exercised 7,211 April 2024 Warrants for cash at a reduced exercise price of $1.40 per share. These warrants converted into 7,211 shares of Common Stock under a warrant inducement offer letter agreement with INmune Bio, as detailed in the Form 4 footnote.

How did the INmune Bio (INMB) warrant inducement affect remaining April 2024 Warrants?

Under the inducement agreement, Lowdell exercised 50% of his April 2024 Warrants, while INmune Bio extended the maturity date of his remaining 50% April 2024 Warrants from June 30, 2026 to December 31, 2027, lengthening the time they can potentially be exercised.

Was the INmune Bio (INMB) transaction an open-market buy or a warrant exercise?

The transaction was a warrant exercise, not an open-market share purchase. Lowdell exercised 7,211 common stock purchase warrants for cash, converting them into 7,211 shares of Common Stock at a $1.40 exercise price pursuant to an inducement letter agreement with the company.
SEC Form 4
FORM 4UNITED 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*
Lowdell Mark William

(Last)(First)(Middle)
C/O INMUNE BIO INC.
225 NE MIZNER BLVD., SUITE 640

(Street)
BOCA RATON FLORIDA 33432

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Inmune Bio, Inc. [ INMB ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Scientific Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/02/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock07/02/2026M7,211(1)A$1.41,518,017D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Common Stock Purchase Warrant$1.407/02/2026X7,21107/02/202612/31/2027Common Stock7,211$0.1257,212D
Explanation of Responses:
1. Represents 7,211 shares of Common Stock acquired upon exercise of common stock purchase warrants held by the Reporting Person. The Reporting Person and other holders of common stock purchase warrants previously issued by the Issuer in its April 2024 offerings on April 24, 2024 and April 29, 2024, as such warrants were amended on December 22, 2025 (the "April 2024 Warrants"), entered into a warrant inducement offer letter agreement with the Issuer (the "Inducement Letter"). Pursuant to the Inducement Letter, the Reporting Person agreed to exercise, for cash, 7,211 April 2024 Warrants, representing 50% of the April 2024 Warrants held by it, and agreed to purchase 7,211 shares of common stock at a reduced exercise price of $1.40 in exchange for the Issuer's agreement to extend the maturity date of the April 2024 Warrants, as it relates to the remaining 50% of the April 2024 Warrants that were not exercised, from June 30, 2026, to December 31, 2027.
/s/ Mark William Lowdell07/07/2026
** Signature of Reporting PersonDate
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)