Andersen Group Inc.

Last updated September 27, 2026

Organization details

Legal name
Andersen Group Inc.
Ownership
Public
Status
Active
Sector (GICS)
Industrials
SIC code
7389 — Services-Business Services, NEC
Jurisdiction of incorporation
Delaware
Headquarters city
SAN Francisco
Headquarters state / province
California
Headquarters country
United States
Fiscal year end
December
Ticker symbol
ANDG
Primary stock exchange
NYSE

Identifiers

SEC CIK
0002065708
EIN
33-4630773

Board of directors

Chief executives

Mark Lawrence Vorsatz · Chairman and CEO
Since December 2025
89 CEO score

Outstanding · grade A

Out of 100, from shareholder return, dividends, growth and acquisitions.

Partial: only 20% of the scoring weight is on file.

Revenue growth 20%
89

14.6% a year in revenue

20% of the scoring weight is on file. Figures cover December 2024 – December 2025.

Director election results

Annual meeting of June 22, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

3 of this board's directors also sit on 6 other boards.

Network of Andersen Group Inc.'s board connections Berkshire Hathaway Inc. Berkshire Hathaway Inc... Chime Financial Inc. Chime Financial Inc. Costco Wholesale Corporation Costco Wholesale Corpo... IB Acquisition Corp. IB Acquisition Corp. Vail Resorts Inc. Vail Resorts Inc. Western Asset Bond Fund Share of Beneficial Interest Western Asset Bond Fun... John R. Joyce John R. Joyce Ronald L. Olson Ronald L. Olson Susan L. Decker Susan L. Decker Andersen Group Inc.
Shared director Other board Same sector

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$8,185,662
7 purchases by 5 insiders
Sold, last 12 months
$13,472,807
1 sale by 1 insider
Date Insider Transaction Shares Price Value
Jul 7, 2026 Durable Capital Partners LP 10% owner Open-market sale −336,736 $40.01 $13,472,807
May 20, 2026 Robert V. Gunderson Jr. Director Open-market purchase +2,367 $35.82 $84,786
Dec 18, 2025 Ronald L. Olson Director Open-market purchase +7,896 $16.00 $126,336
Dec 18, 2025 John R. Joyce Director Open-market purchase +10,422 $16.00 $166,752
Dec 18, 2025 Robert V. Gunderson Jr. Director Open-market purchase +12,633 $16.00 $202,128
Dec 18, 2025 John Nicolai Director Open-market purchase +9,475 $16.00 $151,600
Dec 17, 2025 Durable Capital Partners LP 10% owner Open-market purchase +250,000 $20.59 $5,147,500
Dec 17, 2025 Durable Capital Partners LP 10% owner Open-market purchase +107,985 $21.36 $2,306,560

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Questions about Andersen Group Inc.

Who is the CEO of Andersen Group Inc.?

Mark Lawrence Vorsatz has been Andersen Group Inc.'s Chairman and CEO since December 2025.

How many directors are on Andersen Group Inc.'s board?

Andersen Group Inc.'s board has 8 directors: Dorice Elizabeth Pepin, John Nicolai, John R. Joyce, Joseph Karczewski, Mark Lawrence Vorsatz, Robert V. Gunderson Jr., Ronald L. Olson and Susan L. Decker.

Are Andersen Group Inc. insiders buying or selling shares?

Over the last 12 months, Andersen Group Inc. insiders bought $8.2 million of shares in 7 purchases and sold $13.5 million of shares in 1 sale on the open market, as reported to the SEC on Forms 4 and 5.

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