StockData
NUWENasdaqElectromedical & Electrotherapeutic ApparatusFiscal year ends December 31

Nuwellis, Inc.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 13, 2026
$0.56+0.01 (+1.68%)

Close on Oct 19, 2026

Market cap
$101.13K
P/E (TTM)
–
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
0.6%
0M of 4M shares
Institutional holders
5
5 new, 0 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Sabby Volatility Warrant Master Fund, Ltd.89,6855.40%13G (passive)Dec 31, 2025
Bigger Michael478,0009.99%13G (passive)Jun 9, 2025
Easton Jeff193,0506.20%13G (passive)Aug 3, 2026
Erb John L1,666,7677.30%13D (active)Jun 9, 2025

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of NUWEValueChange% of portfolio
Sabby Management, LLC16,3720.45%$49.94KNew0.05%
UBS Group AG4,4150.12%$13.47KNew0.00%
Tower Research Capital LLC (TRC)1380.00%$421New0.00%
Morgan Stanley350.00%$107New0.00%
SBI Securities Co., Ltd.40.00%$12New0.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 202650M0.6%5 / 00 / 00M0M

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Michael Kendrick McCormickPresident and CEO, Director––Jul 1, 2026
John L. ErbCEO and President, Director, 10% owner1,100,02230.16%Jul 1, 2025
Carisa SchultzChief Financial Officer––Feb 12, 2026
Martin J. EmersonDirector––Apr 29, 2026
Gregory D. WallerDirector20.00%Apr 29, 2026
David McDonaldDirector––Apr 29, 2026
Archelle Georgiou FeldshonDirector––Apr 29, 2026
Katharyn FieldDirector––Feb 11, 2026
Mika GrassoDirector––Feb 11, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
John L. Erb
CEO and President, Director, 10% owner
Jun 10, 2025Conversion+7,522$0.06$4511,100,022
John L. Erb
CEO and President, Director, 10% owner
Jun 9, 2025Conversion+1,092,500$0.06$65.55K1,092,500
Nestor Jaramillo Jr.
President and CEO, Director
Mar 15, 2023Buy+4,098$4.79$19.63K4,098
John L. Erb
CEO and President, Director
Mar 12, 2019Buy+9,523$5.25$50.00K11,615
Gregory D. Waller
Director
Aug 10, 2018Sale−72$1.03$742
John L. Erb
CEO and President, Director
Jul 3, 2018Buy+23,584$2.12$50.00K29,355
Ki Yong Choi
10% owner
Oct 12, 2017Buy+30,141$0.48$14.47K1,793,109
Ki Yong Choi
10% owner
Oct 11, 2017Buy+31,504$0.56$17.64K1,762,968
Ki Yong Choi
10% owner
Sep 13, 2017Buy+78,211$0.64$50.06K1,731,464
Ki Yong Choi
10% owner
Aug 10, 2017Buy+13,253$0.64$8.48K1,653,253
Ki Yong Choi
10% owner
Aug 8, 2017Buy+180,000$0.78$140.40K1,640,000
John L. Erb
CEO and President, Director
Apr 19, 2017Buy+100,000––115,468
Matthew E. Likens
Director
Feb 2, 2017Award+1,437––1,437
Steven Frank Brandt
Director
Feb 2, 2017Award+1,437––1,437
Molly Wade
Vice President
Jan 15, 2017Tax withholding−41$8.19$336909
Claudia Drayton
Chief Financial Officer
Jan 15, 2017Tax withholding−54$8.19$442762
Claudia Drayton
Chief Financial Officer
Dec 15, 2016Tax withholding−1,629$0.47$76624,481
Molly Wade
Vice President
Dec 15, 2016Tax withholding−1,256$0.47$59028,500
John L. Erb
CEO & President, Director
Nov 28, 2016Buy+80,000$0.22$17.60K464,128
Claudia Drayton
Chief Financial Officer
Nov 21, 2016Sale−20$5.27$105740
Claudia Drayton
Chief Financial Officer
Nov 15, 2016Tax withholding−1,629$0.18$29326,110
Molly Wade
Vice President
Nov 15, 2016Tax withholding−1,256$0.18$22629,756
Molly Wade
Vice President
Oct 15, 2016Tax withholding−1,256$0.37$46531,012
Claudia Drayton
Chief Financial Officer
Oct 15, 2016Tax withholding−1,629$0.37$60327,739
Claudia Drayton
Chief Financial Officer
Sep 15, 2016Tax withholding−1,629$0.79$1.29K29,368
Molly Wade
Vice President
Sep 15, 2016Tax withholding−1,256$0.79$99232,268
Molly Wade
Vice President
Aug 15, 2016Tax withholding−1,256$0.80$1.00K33,524
Claudia Drayton
Chief Financial Officer
Aug 15, 2016Tax withholding−1,629$0.80$1.30K30,997
Claudia Drayton
Chief Financial Officer
Jul 15, 2016Tax withholding−1,629$0.78$1.27K32,626
Molly Wade
Vice President
Jul 15, 2016Tax withholding−1,256$0.78$98034,780
Molly Wade
Vice President
Jun 15, 2016Tax withholding−1,256$0.62$77936,036
Claudia Drayton
Chief Financial Officer
Jun 15, 2016Tax withholding−1,629$0.62$1.01K34,255
Gregory D. Waller
Director
May 26, 2016Award+32,864––46,039
Warren S. Watson
Director
May 26, 2016Award+32,864––42,492
Paul Buckman
Director
May 26, 2016Award+32,864––56,876
Jon W. Salveson
Director
May 26, 2016Award+32,864––42,492
Claudia Drayton
Chief Financial Officer
May 15, 2016Tax withholding−1,629$0.63$1.03K35,884
Molly Wade
Vice President
May 15, 2016Tax withholding−1,256$0.63$79137,292
Claudia Drayton
Chief Financial Officer
Apr 15, 2016Tax withholding−1,629$0.74$1.21K37,513
Molly Wade
Vice President
Apr 15, 2016Tax withholding−1,256$0.74$92938,548
John L. Erb
CEO and President, Director
Mar 16, 2016Buy+2,500$0.91$2.28K384,128
John L. Erb
CEO and President, Director
Mar 16, 2016Award+356,000––381,628
Claudia Drayton
Chief Financial Officer
Mar 15, 2016Tax withholding−1,629$0.83$1.35K39,142
Molly Wade
Vice President
Mar 15, 2016Tax withholding−1,256$0.83$1.04K39,804
John L. Erb
CEO and President, Director
Mar 15, 2016Buy+8,000$0.95$7.60K25,628
John L. Erb
CEO and President, Director
Mar 14, 2016Buy+8,000$0.86$6.88K17,628
Molly Wade
Vice President
Feb 15, 2016Tax withholding−1,256$0.96$1.21K41,060
Claudia Drayton
Chief Financial Officer
Feb 15, 2016Tax withholding−1,629$0.96$1.56K40,771
Claudia Drayton
Chief Financial Officer
Jan 15, 2016Award+38,400––42,400
Molly Wade
Vice President
Jan 15, 2016Award+29,600––42,316
Claudia Drayton
Chief Financial Officer
Nov 23, 2015Sale−1$52.80$53760
Brian Brown
SVP, Technology & Operations
Aug 13, 2015Buy+4,000$2.80$11.20K20,000
Paul Buckman
Director
Aug 11, 2015Buy+10,000$2.55$25.50K24,012
Claudia Drayton
Chief Financial Officer
Aug 11, 2015Buy+3,500$2.58$9.03K4,000
Claudia Drayton
Chief Financial Officer
Aug 11, 2015Buy+500$2.55$1.28K500
Debra Kridner
Exec VP, Regulatory Affairs
Aug 11, 2015Buy+4,000$2.89$11.56K29,500
Debra Kridner
Exec VP, Regulatory Affairs
Aug 1, 2015Tax withholding−557$3.11$1.73K25,500
David A. Rosa
Chief Executive Officer, Director
Aug 1, 2015Tax withholding−5,226$3.11$16.25K119,587
Molly Wade
Vice President
Aug 1, 2015Tax withholding−607$3.11$1.89K12,716
Debra Kridner
Exec VP, Regulatory Affairs
Jul 1, 2015Tax withholding−557$3.29$1.83K26,057

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.