Director at Andersen Group Inc. (ANDG) makes open-market share purchase

Rhea-AI Filing Summary

Andersen Group Inc. director Robert V. Gunderson Jr. reported an open-market purchase of 2,367 shares of Class A Common Stock at $35.82 per share. Following this transaction, he directly holds 15,000 shares, indicating a modest increase in his personal investment in the company.

Insider Trade Summary

Net Buyer: 2,367 shares ($84,786)

Net Buy 1 txn

Insider Gunderson Robert V JR

Role null

Bought 2,367 shs ($85K)

Type	Security	Shares	Price	Value
Purchase	Class A Common Stock	2,367	$35.82	$85K

Holdings After Transaction: Class A Common Stock — 15,000 shares (Direct, null)

Footnotes (1)

Key Figures

Shares purchased: 2,367 shares Purchase price: $35.82 per share Shares owned after: 15,000 shares +1 more

4 metrics

Shares purchased 2,367 shares Open-market buy on May 20, 2026

Purchase price $35.82 per share Class A Common Stock transaction

Shares owned after 15,000 shares Total direct holdings post-transaction

Net buy shares 2,367 shares Net-buy direction in transaction summary

Key Terms

open-market purchase, Class A Common Stock, Form 4

3 terms

open-market purchase financial

"transaction_action: open-market purchase"

An open-market purchase is when an investor or a company buys shares on a public stock exchange at the going market price, rather than through a private deal. It matters to investors because these purchases change how many shares are available, can push the stock price up or signal confidence from large buyers, and often affect per-share metrics like earnings—think of it like someone buying lots of apples off a grocery shelf, reducing supply and potentially raising the price.

Class A Common Stock financial

"security_title: Class A Common Stock"

Class A common stock is a category of a company’s shares that carries a specific set of ownership rights—most commonly defined voting power and claims on dividends—set out in the company’s charter. For investors it matters because the class determines how much influence you have over corporate decisions, the share’s likely dividend and trading behavior, and how it compares in value to other share classes, like choosing a particular seat with different privileges at the company’s decision-making table.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Gunderson Robert V JR

(Last) (First) (Middle)

C/O ANDERSEN GROUP INC.

333 BUSH STREET, SUITE 1700

(Street)

SAN FRANCISCO CALIFORNIA 94104

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Andersen Group Inc. [ ANDG ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/20/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Common Stock	05/20/2026		P		2,367	A	$35.82	15,000	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ William Deckelman as Attorney-in-Fact	05/22/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Andersen Group Inc. (ANDG) disclose?

Andersen Group Inc. disclosed an insider share purchase by a director. Robert V. Gunderson Jr. bought 2,367 shares of Class A Common Stock in an open-market transaction, signaling a higher personal stake in the company following this reported trade.

How many Andersen Group (ANDG) shares did the director buy and at what price?

The director purchased 2,367 Andersen Group shares at $35.82 each. This open-market transaction increased his direct holdings and provides a clear data point on insider buying activity at that specific share price level.

What are Robert V. Gunderson Jr.’s Andersen Group (ANDG) holdings after the Form 4 trade?

After the reported trade, the director holds 15,000 shares. The Form 4 filing states this total direct ownership following his 2,367-share open-market purchase, giving investors a snapshot of his current stake in Andersen Group Inc.

Was the Andersen Group (ANDG) insider transaction a buy or a sell?

The reported Andersen Group insider transaction was a buy. The Form 4 classifies it as an open-market purchase of Class A Common Stock, increasing the director’s total share ownership rather than reducing his position.

What type of security did the Andersen Group (ANDG) director trade?

The director traded Class A Common Stock of Andersen Group Inc. The Form 4 specifies this as a non-derivative security, meaning it is the company’s common equity rather than options, warrants, or other derivative instruments.