Quick Takeaways
- NUWE - Nuwellis, Inc. has 17 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 17 Insiders of Nuwellis, Inc.
- Symbol
- NUWE on Nasdaq
- Location
- Eden Prairie, MN
What Changed
- No meaningful buy/sell imbalance is currently visible in the one-year window.
- Activity will update as new Forms 3/4/5 are filed.
Why This Matters
- 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.
Source 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 03 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 |
Nuwellis, Inc. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| John L. Erb | CEO and President, Director, 10%+ Owner | $66,001 | Mixed | 27 Jun 2025 | ||
| Katharyn Field | Director | Mixed | 21 Jan 2026 | |||
| Carisa Schultz | Chief Financial Officer | Mixed | 28 Jan 2026 | |||
| Jon W. Salveson | Director | Mixed | 19 May 2023 | |||
| Gregory D. Waller | Director | Mixed | 28 Apr 2026 | |||
| Warren S. Watson | Director | Mixed | 19 May 2023 | |||
| Lynn L. Blake | Chief Financial Officer | Mixed | 06 Jan 2023 | |||
| Steven Frank Brandt | Director | Mixed | 25 May 2022 | |||
| Neil P. Ayotte | SVP, Secretary, GC & CCO | Mixed | 03 Mar 2023 | |||
| George Montague | CFO and Treasurer | Mixed | 03 Mar 2022 | |||
| Michael Kendrick McCormick | Director | Mixed | 20 May 2025 | |||
| Nestor Jaramillo Jr. | President and CEO, Director | Mixed | 15 Mar 2023 | |||
| Robert Benjamin Scott | Chief Financial Officer | Mixed | 02 Sep 2023 | |||
| Archelle Georgiou Feldshon | Director | Mixed | 28 Apr 2026 | |||
| David McDonald | Director | Mixed | 28 Apr 2026 | |||
| Mika Grasso | Director | Mixed | 21 Jan 2026 | |||
| Martin J. Emerson | Director | Mixed | 28 Apr 2026 |
Top shareholders of Nuwellis, Inc. (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 |
|---|---|---|---|---|---|---|---|---|
| John L. Erb |
13D/G
3/4/5
|
ERB JOHN L · CEO and President, Director, 10%+ Owner |
7.3%
|
1,666,767
|
$1,666,767 | $0 | 09 Jun 2025 | |
| BIGGER CAPITAL FUND L P |
13D/G
|
Bigger Michael |
10%
|
478,000
|
$478,000 | $0 | 09 Jun 2025 | |
| INTRACOASTAL CAPITAL, LLC |
13D/G
|
Mitchell P. Kopin |
5%
|
251,087
|
$251,087 | $0 | 09 Jun 2025 | |
| SABBY MANAGEMENT, LLC |
13D/G
13F
|
Company |
5.4%
|
89,685
|
$182,957 | $0 | 31 Dec 2025 | |
| DRW Securities, LLC |
13F
|
Company |
1.1%
|
17,662
|
$30,731 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.62%
|
10,364
|
$18,032 | — | 31 Dec 2025 | |
| XTX Topco Ltd |
13F
|
Company |
0.61%
|
10,188
|
$17,727 | — | 31 Dec 2025 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0.12%
|
1,993
|
$3,468 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.03%
|
578
|
$1,006 | — | 31 Dec 2025 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
0%
|
63
|
$110 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0%
|
11
|
$19 | — | 31 Dec 2025 | |
| CITIGROUP INC |
13F
|
Company |
0%
|
3
|
$5 | — | 31 Dec 2025 | |
| Ankerstar Wealth, LLC |
13F
|
Company |
0%
|
1
|
$2 | — | 31 Dec 2025 | |
| George Montague |
3/4/5
|
CFO and Treasurer |
—
class O/S missing
|
40,054
|
— | — | 03 Mar 2022 | |
| Robert Benjamin Scott |
3/4/5
|
Chief Financial Officer |
—
class O/S missing
|
18,643
|
— | — | 02 Sep 2023 | |
| Michael Kendrick McCormick |
3/4/5
|
Director |
—
class O/S missing
|
17,496
|
— | — | 20 May 2025 | |
| Steven Frank Brandt |
3/4/5
|
Director |
—
class O/S missing
|
15,806
|
— | — | 25 May 2022 | |
| Lynn L. Blake |
3/4/5
|
Chief Financial Officer |
—
class O/S missing
|
12,417
|
— | — | 06 Jan 2023 | |
| Neil P. Ayotte |
3/4/5
|
SVP, Secretary, GC & CCO |
—
class O/S missing
|
8,640
|
— | — | 03 Mar 2023 | |
| Archelle Georgiou Feldshon |
3/4/5
|
Director |
—
class O/S missing
|
6,744
|
— | — | 28 Apr 2026 | |
| David McDonald |
3/4/5
|
Director |
—
class O/S missing
|
6,744
|
— | — | 28 Apr 2026 | |
| Gregory D. Waller |
3/4/5
|
Director |
—
class O/S missing
|
6,744
|
— | — | 28 Apr 2026 | |
| Martin J. Emerson |
3/4/5
|
Director |
—
class O/S missing
|
6,744
|
— | — | 28 Apr 2026 | |
| Nestor Jaramillo Jr. |
3/4/5
|
President and CEO, Director |
—
class O/S missing
|
4,098
|
— | — | 15 Mar 2023 | |
| Jon W. Salveson |
3/4/5
|
Director |
—
class O/S missing
|
2,146
|
— | — | 19 May 2023 | |
| Warren S. Watson |
3/4/5
|
Director |
—
class O/S missing
|
2,146
|
— | — | 19 May 2023 |
Recent Insider Transactions by Companies or Individuals for Nuwellis, Inc.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Gregory D. Waller | NUWE | Nonstatutory Stock Option (right to buy) | Award | 6,744 | 6,744 | 28 Apr 2026 | Direct | |||
| Martin J. Emerson | NUWE | Nonstatutory Stock Option (right to buy) | Award | 6,744 | 6,744 | 28 Apr 2026 | Direct | |||
| Archelle Georgiou Feldshon | NUWE | Nonstatutory Stock Option (right to buy) | Award | 6,744 | 6,744 | 28 Apr 2026 | Direct | |||
| David McDonald | NUWE | Nonstatutory Stock Option (right to buy) | Award | 6,744 | 6,744 | 28 Apr 2026 | Direct | |||
| John L. Erb | NUWE | Incentive Stock Option (right to buy) | Award | 115,329 | 115,329 | 27 Jun 2025 | Direct | |||
| John L. Erb | NUWE | Common Stock | Conversion of derivative security | 0.69% | 7,522 | 1,100,022 | 10 Jun 2025 | Direct | ||
| John L. Erb | NUWE | Common Stock | Conversion of derivative security | 1,092,500 | 1,092,500 | 09 Jun 2025 | Direct | |||
| John L. Erb | NUWE | Series F-1 Convertible Preferred Stock | Conversion of derivative security | -66% | -66 | 34 | 09 Jun 2025 | Direct | ||
| John L. Erb | NUWE | Series F-1 Convertible Preferred Stock | Other | 100 | 100 | 09 Jun 2025 | Direct | |||
| John L. Erb | NUWE | Series F Convertible Preferred Stock | Other | -100% | -100 | 0 | 09 Jun 2025 | Direct | ||
| David McDonald | NUWE | Nonstatutory Stock Option (right to buy) | Award | 17,496 | 17,496 | 20 May 2025 | Direct | |||
| Michael Kendrick McCormick | NUWE | Nonstatutory Stock Option (right to buy) | Award | 17,496 | 17,496 | 20 May 2025 | Direct | |||
| Archelle Georgiou Feldshon | NUWE | Nonstatutory Stock Option (right to buy) | Award | 17,496 | 17,496 | 20 May 2025 | Direct | |||
| Gregory D. Waller | NUWE | Nonstatutory Stock Option (right to buy) | Award | 17,496 | 17,496 | 20 May 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.