424B4
priced
Final prospectus
Final prospectus filed after pricing with final deal terms.
Follows EFFECT and confirms the priced prospectus.
Price $16.00 · 11,000,000 shares · Gross proceeds $176,000,000
Class A · Exchange NYSE · Ticker ANDG · Over-allotment 1,650,000 · Use of proceeds To purchase Class X Umbrella Units from AT Umbrella LLC · Underwriters Morgan Stanley, UBS Investment Bank, Deutsche Bank Securities
2025-12-17 · 0001193125-25-322948
EFFECT
effective
SEC effectiveness notice
SEC declared the registration statement effective, allowing the offering to proceed.
Follows CERT and marks the registration effective.
2025-12-16 · 9999999995-25-003785
CERT
inactive
CERT
Pre-IPO filing captured from the SEC submission timeline.
Follows 8-A12B in the pre-IPO sequence.
2025-12-15 · 0000876661-25-000976
8-A12B
effective
Exchange Act registration
Registration filed to list the securities under the Exchange Act ahead of trading.
Follows S-1/A and registers the class of securities for exchange listing.
2025-12-12 · 0001193125-25-317595
S-1/A
amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1/A filing.
Range $14.00 to $16.00 · 11,000,000 shares
Class A · Exchange NYSE · Ticker ANDG · Over-allotment 1,650,000 · Use of proceeds to purchase Class X Umbrella Units and for general corporate purposes · Flags dual_class · Underwriters Morgan Stanley, UBS Investment Bank, Deutsche Bank Securities
Andersen Group Inc. is conducting its initial public offering (IPO) of 11,000,000 Class A common shares, with an anticipated price range of $14.00 to $16.00 per share. The shares will be listed on the NYSE under the symbol 'ANDG.' The company will maintain a dual-class structure, with Class B shares held by Andersen Aggregator LLC, granting it 99% voting control and classifying Andersen Group as a 'controlled company' under NYSE rules. The offering aims to fund the purchase of Class X Umbrella Units in AT Umbrella LLC, which will own Andersen Tax LLC. The company emphasizes its global reach through Andersen Global, with 182+ countries and 44,000+ professionals.
2025-12-08 · 0001193125-25-310538
S-1/A
amended
Amended registration statement
Updated registration statement filed after SEC comments or deal changes.
Updates the prior S-1 filing.
Class A · Exchange NYSE · Ticker ANDG · Use of proceeds To purchase Class X Umbrella Units from AT Umbrella LLC · Underwriters MORGAN STANLEY, UBS INVESTMENT BANK, DEUTSCHE BANK SECURITIES
Andersen Group Inc. is conducting its initial public offering (IPO) of Class A common stock, with shares anticipated to be listed on the NYSE under the symbol 'ANDG.' The offering involves a reorganization structure where Andersen Aggregator LLC will hold Class B shares, granting it significant voting control and classifying the company as a 'controlled company' under NYSE rules. The company, an emerging growth company, plans to use net proceeds to acquire Class X Umbrella Units from AT Umbrella LLC. The filing highlights robust financial performance, including $811MM in revenue and 13% year-over-year growth as of Q3'25.
2025-11-19 · 0001193125-25-288325
S-1
filed
Initial registration statement
Initial public filing submitted to start the SEC review process.
Follows DRS/A in the pre-IPO sequence.
Class A · Exchange NYSE · Ticker ANDG · Use of proceeds To purchase Class X Umbrella Units from AT Umbrella LLC · Flags dual_class · Underwriters MORGAN STANLEY, UBS INVESTMENT BANK, DEUTSCHE BANK SECURITIES
Andersen Group Inc. is conducting its initial public offering (IPO) of Class A common stock, with shares anticipated to be listed on the NYSE under the symbol 'ANDG.' The company is structured as a holding company, with its primary asset being indirect ownership in Andersen Tax Holdings LLC. The offering aims to raise capital by issuing shares, with net proceeds used to purchase Class X Umbrella Units from AT Umbrella LLC. The company is classified as an emerging growth company and will operate as a 'controlled company' post-IPO due to its dual-class share structure.
2025-09-19 · 0001193125-25-209262
DRS/A
amended
Amended draft registration statement
Updated draft registration filed before the public launch.
Updates the prior DRS/A filing.
Andersen Group Inc. is conducting its initial public offering (IPO) of Class A common stock, aiming to list on the NYSE under the symbol ANDG. The company, structured as a holding company, will use proceeds to acquire Class X Umbrella Units in AT Umbrella LLC, which owns Andersen Tax LLC. The offering establishes a controlled company structure due to Class B shares held by Andersen Aggregator LLC, granting significant voting power. The company qualifies as an emerging growth company, leveraging reduced disclosure requirements.
2025-08-12 · 0000950123-25-007657
DRS/A
amended
Amended draft registration statement
Updated draft registration filed before the public launch.
Updates the prior DRS filing.
Andersen Group Inc. is conducting its initial public offering (IPO) of Class A common stock, with shares expected to be listed on the NYSE under the symbol 'ANDG.' The offering involves reorganization transactions, including the acquisition of Class X Umbrella Units from AT Umbrella LLC using proceeds. The company will remain a 'controlled company' due to Class B voting rights, and it has elected not to take advantage of NYSE governance exemptions. The filing includes detailed sections on risk factors, organizational structure, and underwriting terms.
2025-06-06 · 0000950123-25-005980
DRS
filed
Draft registration statement
Draft registration filed confidentially before the public launch.
First tracked pre-IPO filing for this issuer.
Andersen Group Inc. is conducting its initial public offering (IPO) of Class A common stock, marking its first public offering. The company is a holding company structured to own interests in Andersen Tax Holdings LLC through Class X Umbrella Units. Proceeds from the offering will be used to purchase additional Class X Umbrella Units, with the company anticipating an IPO price range of $X to $X per share. The filing highlights its status as an emerging growth company and a 'controlled company' due to Andersen Aggregator LLC's majority voting control. The offering is contingent on listing approval, with Morgan Stanley as the lead underwriter.
2025-04-25 · 0000950123-25-003755