Company Analysis

Acadian Asset Management Inc. (AAMI)

NYSE: AAMI · Investment Advice · Boston, MA · filing with the SEC since 2019
Grade4.5
◀ Past 4.9● Present 4.3▶ Future 4.5
1 est.

Filings

175 filings since 2017 beside 92 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 29 days after the quarter ended. The proxy statement was last filed Apr 29, 2026.

Filings a yearinsider forms included
3640412424273441
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 3 times in the last 36 months, the newest Jun 11, 2026.
Insider forms 92

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 10, 2026 SCHEDULE 13G Large holder notice
Nov 5, 2026 10-Q Quarterly report Sep 30, 2026
Oct 29, 2026 8-K items 2.02, 9.01 Results released · Current report
Aug 10, 2026 SCHEDULE 13G/A Large holder update, amended
Aug 6, 2026 10-Q Quarterly report Jun 30, 2026
Aug 3, 2026 SCHEDULE 13G/A Large holder update, amended
Jul 30, 2026 8-K items 2.02, 9.01 Results released · Current report
Jun 22, 2026 SCHEDULE 13D/A Activist holder update, amended
Jun 11, 2026 S-8 POS Employee stock plan update
Jun 11, 2026 8-K items 5.02, 5.07, 9.01 Officer or director change; Shareholder vote · Current report
May 19, 2026 8-K items 7.01, 9.01 Investor disclosure (Regulation FD) · Current report
May 7, 2026 10-Q Quarterly report Mar 31, 2026
Apr 30, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 29, 2026 ARS Annual report to shareholders Dec 31, 2025
Apr 29, 2026 DEFA14A Extra proxy material
Apr 29, 2026 DEF 14A Proxy statement Jun 11, 2026
Mar 26, 2026 SCHEDULE 13G/A Large holder update, amended
Feb 27, 2026 10-K Annual report Dec 31, 2025
Feb 5, 2026 8-K items 2.02, 9.01 Results released · Current report
Jan 30, 2026 SCHEDULE 13G Large holder notice
Nov 25, 2025 8-K items 8.01, 9.01 Other event · Current report
Nov 14, 2025 SCHEDULE 13G/A Large holder update, amended
Nov 6, 2025 10-Q Quarterly report Sep 30, 2025
Nov 5, 2025 SCHEDULE 13G/A Large holder update, amended
Oct 30, 2025 8-K items 1.01, 2.02, 2.03, 8.01, 9.01 Major agreement signed; Results released; New debt or obligation taken on; Other event · Current report Oct 28, 2025
Sep 5, 2025 SCHEDULE 13D/A Activist holder update, amended
Aug 7, 2025 10-Q Quarterly report Jun 30, 2025
Aug 6, 2025 SCHEDULE 13G Large holder notice
Aug 6, 2025 SCHEDULE 13G Large holder notice
Jul 31, 2025 8-K items 2.02, 9.01 Results released · Current report
May 16, 2025 8-K items 5.02, 5.03, 5.07, 9.01 Officer or director change; Charter, bylaw or fiscal-year change; Shareholder vote · Current report May 13, 2025
May 8, 2025 10-Q Quarterly report Mar 31, 2025
May 1, 2025 8-K items 2.02, 9.01 Results released · Current report
Apr 29, 2025 SCHEDULE 13G/A Large holder update, amended
Mar 31, 2025 ARS Annual report to shareholders Dec 31, 2024
Mar 31, 2025 DEFA14A Extra proxy material
Mar 31, 2025 DEF 14A Proxy statement May 13, 2025
Feb 27, 2025 10-K Annual report Dec 31, 2024
Feb 14, 2025 SCHEDULE 13G/A Large holder update, amended
Feb 6, 2025 8-K items 2.02, 9.01 Results released · Current report
40 of 175 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton AAMI · research, not advice