Renfeng Guo - 18 Mar 2026 Form 3 Insider Report for InflaRx N.V. (IFRX)

Reporting relationship
Chief Scientific Officer, Director
Issuer ticker
IFRX
Reported as of
18 Mar 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 3 source fields
SEC form
3
Accepted by SEC
18 Mar 2026, 08:09:25 UTC
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Christian Schmid, Attorney-in-Fact

Key filing fact

Renfeng Guo filed Form 3 for InflaRx N.V. (IFRX) on 18 Mar 2026.

Key facts

  • This page summarizes Renfeng Guo's Form 3 filing for InflaRx N.V. (IFRX).
  • 0 reported transactions and 12 derivative rows are listed below.
  • Accepted by SEC: 18 Mar 2026, 08:09.

Change

  • No earlier filing in this sequence is available for direct comparison.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001730244 Primary reporting owner

Guo Renfeng

Relationship
Chief Scientific Officer, Director
Address
C/O INFLARX N.V., WINZERLAER STREET 2, JENA, GERMANY
Signature
/s/ Christian Schmid, Attorney-in-Fact
Signature date
18 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

IFRX holding

Ordinary Shares

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
1,762,144
Date
18 Mar 2026
Ownership
Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

IFRX holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
336,672
Exercise price
$1.86
Footnotes
F1
IFRX holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
623,610
Exercise price
$1.86
Footnotes
F2
IFRX holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
5,409
Exercise price
$1.86
Footnotes
F3
IFRX holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
275,000
Exercise price
$1.86
Footnotes
F4
IFRX holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
88,006
Exercise price
$1.86
Footnotes
F5
IFRX holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
430,500
Exercise price
$1.86
Footnotes
F6
IFRX holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
55,000
Exercise price
$2.44
Footnotes
F7
IFRX holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
430,500
Exercise price
$2.37
Footnotes
F8
IFRX holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
500,000
Exercise price
$1.79
Footnotes
F9
IFRX holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
500,000
Exercise price
$2.41
Footnotes
F10
IFRX holding Derivative

Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
571,500
Exercise price
$1.17
Footnotes
F11
IFRX holding Derivative

Performance Stock Option (Right to Buy)

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
18 Mar 2026
Ownership
Direct
Underlying class
Ordinary Shares
Underlying amount
171,450
Exercise price
$1.17
Footnotes
F12
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 12 footnotes

Footnote F1

This option was granted on November 18, 2016 and is fully vested and exercisable as of the date hereof.

Footnote F2

This option was granted on December 13, 2017 and is fully vested and exercisable as of the date hereof.

Footnote F3

This option was granted on November 20, 2018 and is fully vested and exercisable as of the date hereof.

Footnote F4

This option was granted on January 4, 2021 and is fully vested and exercisable as of the date hereof.

Footnote F5

This option was granted on July 2, 2021 and is fully vested and exercisable as of the date hereof.

Footnote F6

This option was granted on January 12, 2022 and is fully vested and exercisable as of the date hereof.

Footnote F7

This option was granted on November 21, 2022 and is fully vested and exercisable as of the date hereof.

Footnote F8

This option was granted on January 24, 2023 and is fully vested and exercisable as of the date hereof.

Footnote F9

This option was granted on January 5, 2024 and is fully vested and exercisable as of the date hereof.

Footnote F10

This option was granted on January 3, 2025 and is fully vested and exercisable as of the date hereof.

Footnote F11

This option was granted on January 6, 2026 and will vest and become exercisable in four equal installments of 142,875 shares on each quarterly anniversary of such grant date, subject to continued service through such dates.

Footnote F12

This option shall vest depending upon achievement of the following performance criteria: (i) 50% shall vest if a certain financing event takes place before the fourth quarter of 2026 and (ii) 50% shall vest if the average Ordinary Share price for quarter four of 2026 exceeds $1.50.

SEC remarks

Exhibit List - Exhibit 24.1 Power of Attorney

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .