SEC ownership of Clene Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001822791.

Comparable stake leader

Alison Mosca

Disclosed value leader

Chidozie Ugwumba

Comparable rows

36/50

Latest evidence

11 Jun 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
36 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Alison Mosca
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
11 Jun 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0001822791
Issuer location
Salt Lake City, UT

Ownership snapshot

Top shareholders of Clene Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Alison Mosca
Disclosed value leader
Chidozie Ugwumba
Comparable rows
36/50
Latest evidence
11 Jun 2026
3/4/5 13D/G 13F Lead comparable stake: 13% 14 rows are not safely comparable across share classes. 13D/G row: Alison Mosca Showing 1-8 of 50 holder rows.

Quick read

Alison Mosca leads the comparable SEC ownership view at 13%.

36 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Alison Mosca's linked filing trail.
Comparable ownership Top 5
Alison Mosca 13%
Vivo Opportunity Fund Holdings, L.P. 10%
Chidozie Ugwumba 9.7%
4LIFE RESEARCH LLC 6.5%
ARMISTICE CAPITAL, LLC 5%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Alison Mosca
3/4/5 13D/G
Director
13%
from 13D/G
$3,005,527
708,315 shares
mixed-class rows
21 May 2026
Vivo Opportunity Fund Holdings, L.P.
13D/G
10%
1,886,469 shares
$0 31 Mar 2026
Chidozie Ugwumba
13D/G 3/4/5
Ugwumba Chidozie · 10%+ Owner
9.7%
$7,782,169
1,351,071 shares
-$3,251,975 11 May 2026
4LIFE RESEARCH LLC
13D/G
David Lisonbee
6.5%
$84,921
555,328 shares
$0 20 Dec 2024
ARMISTICE CAPITAL, LLC
13D/G
5%
$1,257,303
419,101 shares
$0 31 Dec 2024
AWM Investment Company, Inc.
13D/G
4.7%
$3,012,500
500,000 shares
$0 30 Sep 2025
General Resonance LLC
3/4/5
10%+ Owner
5.1%
$3,762,515
704,591 shares
-$18,161 21 Aug 2025
Boxer Capital Management, LLC
13F
Company
13F
3.4%
$2,354,149
477,515 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$5,582,658.

Buys
$216,664
Insiders: 1
Sells
$5,799,322
Insiders: 2
Net
-$5,582,658
Shares: -941,890
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 33,333 Shares: 975,223
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 298,474 $0 $1,902,330 -$1,902,330
3-6 33,333 355,609 $216,664 $1,789,734 -$1,573,070
6-9 0 317,739 $0 $2,089,096 -$2,089,096
9-12 0 3,401 $0 $18,161 -$18,161

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-17 of 17 reporting-owner rows connected to Clene Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
17
Largest Forms 3/4/5 holder
General Resonance LLC
Net 12M change
-$5,582,657
Latest report
11 Jun 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
General Resonance LLC 10%+ Owner $3,762,515 -$18,161 -0.48% Filing P/S 21 Aug 2025
David J. Matlin Director $3,105,856 +$216,665 +7.5% Filing P/S 21 May 2026
Alison Mosca Director $3,005,527 Mixed 21 May 2026
Chidozie Ugwumba 10%+ Owner $641,185 -$5,781,161 -90% Filing P/S 01 May 2026
Morgan R. Brown Chief Financial Officer $53,800 Mixed 11 Jun 2026
Robert Glanzman Chief Medical Officer $4,331 Mixed 16 May 2022
Shalom Jacobovitz Director Mixed 21 May 2026
Matthew Kiernan Director Mixed 21 May 2026
Arjun Jj Desai Director Mixed 21 May 2026
Reed N. Wilcox Director Mixed 21 May 2026
Mark Mortenson Chief Science Officer Mixed 11 Jun 2026
Robert Dee Etherington President & CEO, Director Mixed 11 Jun 2026
Fiona Costello Director Mixed 18 May 2021
Jonathon Gay Director Mixed 21 May 2026
Tae Heum Jeong Chief Finance Officer Mixed 04 Nov 2021
Vallerie McLaughlin Director Mixed 21 May 2026
John Henry Stevens Director Mixed 18 Sep 2023

Recent insider transactions for Clene Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Mark Mortenson CLNN stock option Award 45,000 45,000 11 Jun 2026 Direct
Robert Dee Etherington CLNN stock option Award 65,000 65,000 11 Jun 2026 Direct
Morgan R. Brown CLNN stock option Award 15,000 15,000 11 Jun 2026 Direct
Vallerie McLaughlin CLNN stock option Award 3,564 2,064 21 May 2026 Direct
Arjun Jj Desai CLNN stock option Award 3,658 2,158 21 May 2026 Direct
Alison Mosca CLNN stock option Award 4,361 2,861 21 May 2026 Direct
David J. Matlin CLNN stock option Award 5,159 3,659 21 May 2026 Direct
Shalom Jacobovitz CLNN stock option Award 4,291 2,791 21 May 2026 Direct
Matthew Kiernan CLNN stock option Award 3,376 1,876 21 May 2026 Direct
Jonathon Gay CLNN stock option Award 3,728 2,228 21 May 2026 Direct
Reed N. Wilcox CLNN stock option Award 3,564 2,064 21 May 2026 Direct
Chidozie Ugwumba CLNN Common Stock Sale -41.5% $454,435 $6.20 -73,296 103,417 12 May 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -11.2% $149,695 $6.75 -22,177 176,713 11 May 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -26.8% $495,611 $6.80 -72,884 198,890 04 May 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -2.09% $34,828 $6.01 -5,795 271,774 01 May 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -2.02% $34,875 $6.08 -5,736 277,569 30 Apr 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -4.12% $68,517 $5.63 -12,170 283,305 29 Apr 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -0.54% $9,387 $5.90 -1,591 295,475 28 Apr 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -17.1% $376,658 $6.14 -61,345 297,066 21 Apr 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -1.19% $26,426 $6.12 -4,318 358,411 20 Apr 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -6.46% $161,007 $6.43 -25,040 362,729 17 Apr 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -1.96% $49,587 $6.40 -7,748 387,769 16 Apr 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -1.59% $41,304 $6.48 -6,374 395,517 15 Apr 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -5.84% $119,889 $4.81 -24,925 401,891 02 Apr 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -0.99% $21,262 $4.97 -4,278 426,816 01 Apr 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -13.6% $331,796 $4.88 -67,991 431,094 31 Mar 2026 By Symbiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -3.02% $79,234 $5.10 -15,536 499,085 30 Mar 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -3.28% $82,982 $4.75 -17,470 514,621 27 Mar 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -0.99% $28,723 $5.40 -5,319 532,091 26 Mar 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -1.3% $39,039 $5.50 -7,098 537,410 25 Mar 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -1% $31,744 $5.78 -5,492 544,508 24 Mar 2026 By SymBiosis II, LLC
Vallerie McLaughlin CLNN stock option Award 3,030 3,030 19 Feb 2026 Direct
Reed N. Wilcox CLNN stock option Award 3,306 3,306 19 Feb 2026 Direct
Alison Mosca CLNN stock option Award 4,201 4,201 19 Feb 2026 Direct
David J. Matlin CLNN stock option Award 5,372 5,372 19 Feb 2026 Direct
Arjun Jj Desai CLNN stock option Award 3,168 3,168 19 Feb 2026 Direct
Shalom Jacobovitz CLNN stock option Award 4,098 4,098 19 Feb 2026 Direct
Jonathon Gay CLNN stock option Award 3,271 3,271 19 Feb 2026 Direct
Matthew Kiernan CLNN stock option Award 2,755 2,755 19 Feb 2026 Direct
Chidozie Ugwumba CLNN Common Stock Sale -1% $22,792 $4.10 -5,559 550,000 03 Feb 2026 By Symbiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -0.68% $15,352 $4.04 -3,800 555,559 02 Feb 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -1.01% $23,483 $4.13 -5,686 559,359 30 Jan 2026 By Symbiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -2.63% $66,027 $4.32 -15,284 565,045 29 Jan 2026 By Symbiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -1.48% $42,800 $4.91 -8,717 580,329 28 Jan 2026 By SymBiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -0.7% $21,026 $5.08 -4,139 589,046 27 Jan 2026 By Symbiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -1.07% $32,218 $5.02 -6,418 593,185 26 Jan 2026 By Symbiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -0.92% $29,280 $5.27 -5,556 599,603 23 Jan 2026 By Symbiosis II, LLC
Chidozie Ugwumba CLNN Common Stock Sale -2.05% $67,378 $5.32 -12,665 605,159 22 Jan 2026 By Symbiosis II, LLC
Mark Mortenson CLNN stock option Award 75,000 75,000 22 Jan 2026 Direct
Robert Dee Etherington CLNN stock option Award 75,000 75,000 22 Jan 2026 Direct
* marks a reported price that did not pass the local price check.
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 .