Ronald L. Olson - 18 Dec 2025 Form 4 Insider Report for Andersen Group Inc. (ANDG)

Reporting relationship: Director
Issuer ticker: ANDG
Reported as of: 18 Dec 2025
Net transaction value: +$126,336
SEC form: 4
Accepted by SEC: 22 Dec 2025, 16:14:22 UTC
Prior SEC filing: 16 Dec 2025
Source filing: View source filing
Reporting owner signature: /s/ William Deckelman as Attorney-in-Fact

Key filing fact

Ronald L. Olson filed Form 4 for Andersen Group Inc. (ANDG) on 22 Dec 2025.

Key facts

This page summarizes Ronald L. Olson's Form 4 filing for Andersen Group Inc. (ANDG).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 22 Dec 2025, 16:14.

Change

Previous filing in this sequence was filed on 16 Dec 2025.
Current net transaction value: +$126,336.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001192668 Primary reporting owner

OLSON RONALD L

Relationship: Director
Address: C/O ANDERSEN GROUP INC., 333 BUSH STREET, SUITE 1700, SAN FRANCISCO
Signature: /s/ William Deckelman as Attorney-in-Fact
Signature date: 22 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ANDG transaction

Class A Common Stock

Purchase

Transaction value: $126,336
Shares: +7,896
Change %
Price: $16.00
Shares after: 7,896
Date: 18 Dec 2025
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

These shares of Class A common stock were purchased by the Reporting Person through a directed share program in connection with the Issuer's initial public offering of Class A common stock.