GNLX

GENELUX Corp

NasdaqHealthcarePharmaceutical Preparations

Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.

Latest filingSep 02, 2026Most recent Form 4
Total buying$00 buys
Total selling$14.6M3 sells
Net open-market-$14.6M3 insiders
Open-market mix
Buy vs sell distribution by transaction count
3 transactions
0 buys0%·100%3 sells

Insider activity report

Monthly open-market purchase and sale counts
Buys Sells
530-3-5transactionsAug 2026 sells: 3 transactions · $14.6M3AugSep

Transaction codes

By Form 4 transaction code in selected period
3transactions
  • S · Open-market sells · dominant3 · 100%

Activity by reported role

A joint filing can contribute to multiple roles
3transactions
  • CSO · dominant1 · 33%
  • CTO1 · 33%
  • PRES1 · 33%

Distinct insiders active

Reporting-owner CIKs by month · peak Aug 2026 (3)
Aug 2026Sep 2026
3distinct insiders in 2 months

Reported Holdings After

Separated by insider, security, and ownership type
Yu YongCommon Stock · Direct
258.7k258.7kAug 31, 2026 · 258,688 shares owned afterAug 31, 2026Aug 31, 2026
258,688Aug 31, 2026
Zindrick ThomasCommon Stock · Direct
1.2M1.2MAug 31, 2026 · 1,226,427 shares owned afterAug 31, 2026Aug 31, 2026
1,226,427Aug 31, 2026
Cappello JosephCommon Stock · Direct
318.5k318.5kAug 31, 2026 · 318,480 shares owned afterAug 31, 2026Aug 31, 2026
318,480Aug 31, 2026

These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.

Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells red
1 active days
Aug 03Sep 03
LessMore
Top insiders
By absolute net value across the selected period
3 insiders
  • ZT
    Zindrick ThomasPRES · rank 1 · 0 buys · 1 sells
    -$91.9klast 09/02/undefined
  • CJ
    Cappello JosephCTO · rank 2 · 0 buys · 1 sells
    -$28.1klast 09/02/undefined
  • YY
    Yu YongCSO · rank 3 · 0 buys · 1 sells
    -$26.7klast 09/02/undefined
Recent filing activity
Most recent 3 transactions · color = transaction code

Filing detail checks

Secondary metrics for the selected period
Largest buy-
Largest sale$9.18M
10b5-1 detected0
Amended rows0

Filing-only signals

Deterministic matches in the selected period

No filing-only signal badges matched this period.

GNLX transaction history

Filters apply within this company and selected period by default
Reset
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
GNLXCappello Joseph
CTO
sale10.2k-$2.81MS09/0208/31
GNLXZindrick Thomas
PRES
sale34.4k-$9.18MS09/0208/31
GNLXYu Yong
CSO
sale9.68k-$2.66MS09/0208/31

GENELUX Corp Insider Activity FAQ

SEC Form 4 context

Who recently reported transactions at GENELUX Corp?

Cappello Joseph, Zindrick Thomas, Yu Yong.

When was the latest reported open-market purchase?

No code-P purchase is available for this period.

When was the latest reported open-market sale?

Cappello Joseph reported a sale on Aug 31, 2026 valued at $2.81M. Read the SEC filing.

What is the recent purchase and sale balance?

Net open-market selling in the selected period was $146,669.70. Sales can occur for many non-investment reasons.

Where can I see the original SEC filing?

Every transaction row and latest-activity fact links to its original SEC filing.

What do these Form 4 transaction codes mean?

P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.