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

Reporting relationship: Chief Financial Officer
Issuer ticker: IFRX
Reported as of: 18 Mar 2026
Net transaction value: $0
SEC form: 3
Accepted by SEC: 18 Mar 2026, 08:06:16 UTC
Source filing: View source filing
Reporting owner signature: /s/ Christian Schmid, Attorney-in-Fact

Key filing fact

Thomas Taapken filed Form 3 for InflaRx N.V. (IFRX) on 18 Mar 2026.

Key facts

This page summarizes Thomas Taapken's Form 3 filing for InflaRx N.V. (IFRX).
0 reported transactions and 10 derivative rows are listed below.
Accepted by SEC: 18 Mar 2026, 08:06.

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 0002117357 Primary reporting owner

Taapken Thomas

Relationship: Chief Financial Officer
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: 3,500
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: By tomtaa GmbH
Underlying class: Ordinary Shares
Underlying amount: 150,000
Exercise price: $1.86
Footnotes: F1, 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: By tomtaa GmbH
Underlying class: Ordinary Shares
Underlying amount: 50,000
Exercise price: $1.86
Footnotes: F2, 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: By tomtaa GmbH
Underlying class: Ordinary Shares
Underlying amount: 32,002
Exercise price: $1.86
Footnotes: F2, 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: By tomtaa GmbH
Underlying class: Ordinary Shares
Underlying amount: 110,000
Exercise price: $1.86
Footnotes: F2, 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: By tomtaa GmbH
Underlying class: Ordinary Shares
Underlying amount: 55,000
Exercise price: $2.44
Footnotes: F2, 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: By tomtaa GmbH
Underlying class: Ordinary Shares
Underlying amount: 110,000
Exercise price: $2.37
Footnotes: F2, 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: By tomtaa GmbH
Underlying class: Ordinary Shares
Underlying amount: 210,000
Exercise price: $1.79
Footnotes: F2, 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: By tomtaa GmbH
Underlying class: Ordinary Shares
Underlying amount: 240,000
Exercise price: $2.41
Footnotes: F2, 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: By tomtaa GmbH
Underlying class: Ordinary Shares
Underlying amount: 240,000
Exercise price: $1.17
Footnotes: F2, F10

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: By tomtaa GmbH
Underlying class: Ordinary Shares
Underlying amount: 72,000
Exercise price: $1.17
Footnotes: F2, F11

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 11 footnotes

Footnote F1

This option was granted on September 18, 2020 and is fully vested and exercisable as of the date hereof.

Footnote F2

The reported securities are directly held by tomtaa GmbH, a company wholly owned by the Reporting Person for which the Reporting Person acts as sole managing director. The Reporting Person disclaims beneficial ownership except to the extent of his pecuniary interest therein.

Footnote F3

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

Footnote F4

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

Footnote F5

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

Footnote F6

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

Footnote F7

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

Footnote F8

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

Footnote F9

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

Footnote F10

This option was granted on January 6, 2026 and will vest and become exercisable in four equal installments of 60,000 shares on each quarterly anniversary of such grant date, subject to continued service through such dates.

Footnote F11

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

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