Company Analysis

Quantum Cyber N.V. (QUCY)

Nasdaq: QUCY · Pharmaceutical Preparations · Mainz, DE · filing with the SEC since 2021
Grade3.3
◀ Past 2.8● Present 1.8▶ Future 4.9
5 est.

Who owns Quantum Cyber N.V.

As filed with the SEC
Holders of 5% or more
3
Lazar David E. holds 94.3% of Ordinary Shares, nominal value (euro)0.01 per share, as its SCHEDULE 13D/A filed Aug 7, 2026 says.
Directors and officers
10
report now, of 10 people on the record since 2025. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Lazar David E.
SCHEDULE 13D/A · filed Aug 7, 2026 · Ordinary Shares, nominal value (euro)0.01 per share · 97.4% in Apr 28, 2026
94.3%
Donahue Kevin Michael
SCHEDULE 13G/A · filed Jan 20, 2026 · Common Stock · 10.7% in Jan 16, 2026
10.7%
Alexander Gurevich
SCHEDULE 13G · filed Aug 10, 2026 · Ordinary Shares, nominal value (euro)0.01 per share
9.8%
Armistice Capital, LLC
SCHEDULE 13G/A · filed Feb 17, 2026 · Ordinary Shares, nominal value of 0.01 per share · reported falling below 5%, from 9.99% in Aug 14, 2025
under 5%
What QUCY reports owning in othersstakes of 5% or more, and other ties

1 subsidiary in 1 country, from the list filed with the 10-K filed Mar 31, 2026.

Insider tradesForm 4
0sales
0purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
No open-market trade is on the record for these years.
Dollars as filed, summed by the transaction date.
People who traded in the window1 of 11 on the roster
PersonRole as filedSalesSoldOn a planBuysBought
Donahue Kevin Michael10% owner0$002$258.8B
SI Assistanton QUCY · research, not advice