Key facts
- IFRX - InflaRx N.V. has 9 insiders with reported activity on this page.
- No net insider buy/sell flow is currently reported for the last year.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 9 Insiders of InflaRx N.V.
- Symbol
- IFRX on Nasdaq
- Location
- Jena, Germany
Change
- No meaningful buy/sell imbalance is currently visible in the one-year window.
- Activity will update as new Forms 3/4/5 are filed.
Research use
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsInsider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 21 May 2025.
Buys
$0
Shares: 0
Insiders: 0
Sells
$0
Shares: 0
Insiders: 0
Net
$0
Shares: 0
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
InflaRx N.V. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Renfeng Guo | Chief Scientific Officer, Director | $1,638,793 | Mixed | 18 Mar 2026 | ||
| Niels Riedemann | Chief Executive Officer, Director | $994,084 | Mixed | 18 Mar 2026 | ||
| Mark Kubler | Director | $892,813 | Mixed | 18 Mar 2026 | ||
| Nicolas Fulpius | Director | $455,748 | Mixed | 18 Mar 2026 | ||
| Richard Brudnick | Director | $46,500 | Mixed | 18 Mar 2026 | ||
| Anthony S. Gibney | Director | $9,300 | Mixed | 18 Mar 2026 | ||
| Thomas Taapken | Chief Financial Officer | $3,255 | Mixed | 18 Mar 2026 | ||
| Derval OCarroll | Officer | Mixed | 18 Mar 2026 | |||
| Hege Hellstrom | Director | Mixed | 18 Mar 2026 |
Top shareholders of InflaRx N.V. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| SUVRETTA CAPITAL MANAGEMENT, LLC |
13D/G
13F
|
Company |
12%
|
7,933,910
|
$8,647,962 | $0 | 31 Dec 2025 | |
| TCG Crossover GP III, LLC |
13D/G
|
— |
9.8%
|
14,500,000
|
$14,935,000 | $0 | 07 May 2026 | |
| Farallon Capital Partners, L.P. |
13D/G
|
Dapice Joshua J. |
5.1%
|
7,500,000
|
$7,725,000 | $0 | 07 May 2026 | |
| Renfeng Guo |
3/4/5
|
Chief Scientific Officer, Director |
1.2%
|
1,762,144
|
$1,638,793 | — | 18 Mar 2026 | |
| Niels Riedemann |
3/4/5
|
Chief Executive Officer, Director |
0.73%
|
1,068,908
|
$994,084 | — | 18 Mar 2026 | |
| Mark Kubler |
3/4/5
|
Director |
0.65%
|
960,015
|
$892,813 | — | 18 Mar 2026 | |
| Nicolas Fulpius |
3/4/5
|
Director |
0.33%
|
490,052
|
$455,748 | — | 18 Mar 2026 | |
| Richard Brudnick |
3/4/5
|
Director |
0.03%
|
50,000
|
$46,500 | — | 18 Mar 2026 | |
| Anthony S. Gibney |
3/4/5
|
Director |
0.01%
|
10,000
|
$9,300 | — | 18 Mar 2026 | |
| Thomas Taapken |
3/4/5
|
Chief Financial Officer |
0%
|
3,500
|
$3,255 | — | 18 Mar 2026 | |
| 683 Capital Management, LLC |
13F
|
Company |
2.3%
|
3,315,000
|
$2,964,936 | — | 31 Mar 2026 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.3%
|
1,975,000
|
$1,765,650 | — | 31 Mar 2026 | |
| Eversept Partners, LP |
13F
|
Company |
1.2%
|
1,758,573
|
$1,572,868 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
0.8%
|
1,175,576
|
$1,051,435 | — | 31 Mar 2026 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.38%
|
554,364
|
$493,385 | — | 31 Mar 2026 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.27%
|
395,803
|
$354,007 | — | 31 Mar 2026 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.21%
|
301,987
|
$270,097 | — | 31 Mar 2026 | |
| T3 Companies, LLC |
13F
|
Company |
0.2%
|
291,014
|
$260,283 | — | 31 Mar 2026 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.13%
|
189,075
|
$169,109 | — | 31 Mar 2026 | |
| DCF Advisers, LLC |
13F
|
Company |
0.11%
|
158,500
|
$141,762 | — | 31 Mar 2026 | |
| ADAR1 Capital Management, LLC |
13F
|
Company |
0.11%
|
158,271
|
$141,558 | — | 31 Mar 2026 | |
| GSA CAPITAL PARTNERS LLP |
13F
|
Company |
0.09%
|
127,469
|
$114,000 | — | 31 Mar 2026 | |
| Kestra Advisory Services, LLC |
13F
|
Company |
0.06%
|
95,000
|
$84,968 | — | 31 Mar 2026 | |
| XTX Topco Ltd |
13F
|
Company |
0.06%
|
88,908
|
$79,519 | — | 31 Mar 2026 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.05%
|
77,114
|
$68,971 | — | 31 Mar 2026 | |
| INSIGNEO ADVISORY SERVICES, LLC |
13F
|
Company |
0.04%
|
60,250
|
$53,888 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.03%
|
43,672
|
$39,060 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
0.02%
|
29,800
|
$26,641 | — | 31 Mar 2026 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.02%
|
26,037
|
$23,287 | — | 31 Mar 2026 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.01%
|
15,997
|
$14,000 | — | 31 Mar 2026 | |
| Engineers Gate Manager LP |
13F
|
Company |
0.01%
|
15,397
|
$13,771 | — | 31 Mar 2026 | |
| Concurrent Investment Advisors, LLC |
13F
|
Company |
0.01%
|
14,451
|
$12,925 | — | 31 Mar 2026 | |
| Pacifica Partners Inc. |
13F
|
Company |
0.01%
|
14,210
|
$12,704 | — | 31 Mar 2026 | |
| Sanctuary Advisors, LLC |
13F
|
Company |
0.01%
|
11,000
|
$9,838 | — | 31 Mar 2026 | |
| COMMONWEALTH EQUITY SERVICES, LLC |
13F
|
Company |
0.01%
|
10,800
|
$9,660 | — | 31 Mar 2026 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.01%
|
10,600
|
$9,481 | — | 31 Mar 2026 | |
| Integrated Wealth Concepts LLC |
13F
|
Company |
0.01%
|
10,000
|
$8,944 | — | 31 Mar 2026 | |
| JONES FINANCIAL COMPANIES LLLP |
13F
|
Company |
0%
|
1,784
|
$1,625 | — | 31 Mar 2026 | |
| CITIGROUP INC |
13F
|
Company |
0%
|
1,302
|
$1,165 | — | 31 Mar 2026 | |
| Keating Financial Advisory Services, Inc. |
13F
|
Company |
0%
|
671
|
$600 | — | 31 Mar 2026 | |
| Steward Partners Investment Advisory, LLC |
13F
|
Company |
0%
|
375
|
$335 | — | 31 Mar 2026 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0%
|
335
|
$279 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for InflaRx N.V.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Mark Kubler | IFRX | Ordinary Shares | 0 | 960,015 | 18 Mar 2026 | Direct | ||||
| Anthony S. Gibney | IFRX | Ordinary Shares | 0 | 10,000 | 18 Mar 2026 | Direct | ||||
| Richard Brudnick | IFRX | Ordinary Shares | 0 | 50,000 | 18 Mar 2026 | Direct | ||||
| Renfeng Guo | IFRX | Ordinary Shares | 0 | 1,762,144 | 18 Mar 2026 | Direct | ||||
| Nicolas Fulpius | IFRX | Ordinary Shares | 0 | 490,052 | 18 Mar 2026 | Direct | ||||
| Niels Riedemann | IFRX | Ordinary Shares | 0 | 1,068,908 | 18 Mar 2026 | Direct | ||||
| Thomas Taapken | IFRX | Ordinary Shares | 0 | 3,500 | 18 Mar 2026 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.