StockData
ADXNNasdaqPharmaceutical PreparationsFiscal year ends December 31

Addex Therapeutics Ltd.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 20-F on May 15, 2026
$2.89+0.13 (+4.71%)

Close on Oct 19, 2026

Ownership

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

Held by institutions
0.0%
0M of 148M shares
Institutional holders
2
1 new, 3 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only

Shares held by institutions

Holders of more than 5%

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

HolderShares% of classFilingAs of
Timothy Mark Dyer19,165,7149.01%13D (active) amendmentSep 2, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of ADXNValueChange% of portfolio
UBS Group AG470.00%$268New0.00%
SBI Securities Co., Ltd.10.00%$6–0.00%

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 202620M0.0%1 / 00 / 30M0M
Q1 202640M0.0%0 / 10 / 10M0M
Q4 202550M0.0%1 / 12 / 00M0M
Q3 202540M0.0%1 / 00 / 20M0M
Q2 202550M0.0%1 / 01 / 10M0M
Q1 202550M0.0%0 / 13 / 00M0M
Q4 202450M0.0%3 / 20 / 10M0M
Q3 202430M0.0%1 / 11 / 00M0M
Q2 202420M0.0%1 / 10 / 00M0M
Q1 202410M0.0%1 / 00 / 30M0M
Q4 202330M0.1%3 / 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
Roger MillsCHIEF MEDICAL OFFICER, Director785,9760.53%Sep 4, 2026
Timothy Mark DyerCHIEF EXECUTIVE OFFICER, Director435,1920.29%Sep 4, 2026
Mikhail KalinichevHEAD OF TRANSLATIONAL SCIENCE0–Sep 4, 2026
Lenaic Nathanael TeyssedouPRINCIPAL ACCOUNTING OFFICER––Sep 4, 2026
Jason Raleigh NunnDirector219,5610.15%Sep 4, 2026
Vincent Michael LawtonDirector2,507,9871.70%Sep 4, 2026
Raymond George HillDirector0–Sep 4, 2026
Isaac MankeDirector219,5610.15%Sep 4, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Jason Raleigh Nunn
Director
Sep 2, 2026Award+219,561––219,561
Jason Raleigh Nunn
Director
Sep 2, 2026Returned to company−219,561––0
Timothy Mark Dyer
CHIEF EXECUTIVE OFFICER, Director
Sep 2, 2026Returned to company−16,413,787––435,192
Timothy Mark Dyer
CHIEF EXECUTIVE OFFICER, Director
Sep 2, 2026Award+16,413,787––16,848,979
Mikhail Kalinichev
HEAD OF TRANSLATIONAL SCIENCE
Sep 2, 2026Returned to company−306,765––0
Mikhail Kalinichev
HEAD OF TRANSLATIONAL SCIENCE
Sep 2, 2026Award+306,765––306,765
Raymond George Hill
Director
Sep 2, 2026Returned to company−1,365,532––0
Raymond George Hill
Director
Sep 2, 2026Award+1,365,532––1,365,532
Roger Mills
CHIEF MEDICAL OFFICER, Director
Sep 2, 2026Award+392,837––785,976
Roger Mills
CHIEF MEDICAL OFFICER, Director
Sep 2, 2026Returned to company−392,837––393,139
Vincent Michael Lawton
Director
Sep 2, 2026Award+2,507,487––2,507,987
Vincent Michael Lawton
Director
Sep 2, 2026Returned to company−2,507,487––500
Isaac Manke
Director
Sep 2, 2026Award+219,561––219,561
Isaac Manke
Director
Sep 2, 2026Returned to company−219,561––0

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