Companies: 10,795·Total market cap: $144.5T
Acadian Asset Management

Acadian Asset Management

AAMINYSEFinancial Services● Active
$76.82
+$2.82(+3.81%)
Market Cap$2.7B
P/E Ratio
52W High$77.1979
52W Low$29.78

Acadian Asset Management (AAMI) Insider Trading

Form 4 buy vs sell counts, ratio, and sentiment — switch this quarter or last 12 months; chart and transactions below.

SEC EDGAR · FMP · AAMI · as of Jun 8, 2026

Activity summary

Buy transactions

0

P-Purchase only

Sell transactions

5

12 Months

Buy/Sell ratio

0.00

Buy/Sell (by trades)

Overall sentiment

BEARISH
↑ Buy 0%Active transactions only · RSU vesting excluded100% Sell ↓

Acadian Asset Management insiders have been primarily selling shares over the past 12 Months. Selling activity is often driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment toward the company.

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · Buy = P-Purchase only · Sell = S-Sale only

As of Jun 8, 2026

AAMI insider buying and selling by quarter

AAMI insider selling · AAMI insider buying stocks · quarterly insider activity

Total insider buying (incl. awards)Total insider selling
1.2M603K0
2025 Q2
2025 Q3
2026 Q1
2026 Q2

Mobile shows last 4Q · Desktop shows full 8Q

Source: SEC EDGAR · Form 3 & 4 · via Financial Modeling Prep · last 8 quarters

As of Jun 8, 2026

Active insiders

Most active in past 12 months · AAMI ceo insider trading

Showing all insiders · Click a card to filter the transactions table below

Aggregated from reportingName · top 5 by trade count (12M) · no extra API

Recent insider transactions

AAMI executive sell shares · AAMI board member insider trading · AAMI insider trading SEC filing

Showing 24 most recent · Common Stock · Form 4 only

Scroll horizontally to see all columns

Paulson John

Director

Option

Date

May 14

Shares

5,750

Price

Value

View Form 4 on SEC.gov

Chersi Robert J

Director

Option

Date

May 14

Shares

3,286

Price

Value

View Form 4 on SEC.gov

Trebbi Barbara

Director

Option

Date

May 14

Shares

3,286

Price

Value

View Form 4 on SEC.gov

Hart Richard Jonathan

CLO and CAO

Sale

Date

May 4

Shares

88,792

Price

$66.87

Value

$5.94M ⚡

View Form 4 on SEC.gov

Hart Richard Jonathan

CLO and CAO

Sale

Date

May 4

Shares

11,208

Price

$67.73

Value

$759K

View Form 4 on SEC.gov

Wiater Christina

PFO / PAO

Option

Date

Feb 15

Shares

5,180

Price

Value

View Form 4 on SEC.gov

Wiater Christina

PFO / PAO

Other

Date

Feb 15

Shares

1,521

Price

$51.85

Value

$79K

View Form 4 on SEC.gov

Wiater Christina

PFO / PAO

Option

Date

Feb 14

Shares

4,006

Price

Value

View Form 4 on SEC.gov

Wiater Christina

PFO / PAO

Other

Date

Feb 14

Shares

1,176

Price

$51.85

Value

$61K

View Form 4 on SEC.gov

Hart Richard Jonathan

CLO and CAO

Option

Date

Feb 15

Shares

9,550

Price

Value

View Form 4 on SEC.gov

Hart Richard Jonathan

CLO and CAO

Other

Date

Feb 15

Shares

4,618

Price

$51.85

Value

$239K

View Form 4 on SEC.gov

Hart Richard Jonathan

CLO and CAO

Option

Date

Feb 14

Shares

5,755

Price

Value

View Form 4 on SEC.gov

Hart Richard Jonathan

CLO and CAO

Other

Date

Feb 14

Shares

2,782

Price

$51.85

Value

$144K

View Form 4 on SEC.gov

Chersi Robert J

Director

Sale

Date

Feb 11

Shares

28,753

Price

$51.30

Value

$1.48M ⚡

View Form 4 on SEC.gov

Trebbi Barbara

Director

Sale

Date

Feb 10

Shares

9,691

Price

$51.22

Value

$496K

View Form 4 on SEC.gov

Chersi Robert J

Director

Gift

Date

Jun 10

Shares

27,986

Price

Value

View Form 4 on SEC.gov

Chersi Robert J

Director

Gift

Date

Jun 10

Shares

27,986

Price

Value

View Form 4 on SEC.gov

Paulson John

Director

Option

Date

May 13

Shares

7,764

Price

Value

View Form 4 on SEC.gov

Trebbi Barbara

Director

Option

Date

May 13

Shares

4,437

Price

Value

View Form 4 on SEC.gov

Chersi Robert J

Director

Option

Date

May 13

Shares

4,437

Price

Value

View Form 4 on SEC.gov

Wiater Christina

PFO / PAO

Option

Date

Feb 15

Shares

5,180

Price

Value

View Form 4 on SEC.gov

Wiater Christina

PFO / PAO

Other

Date

Feb 15

Shares

1,521

Price

$25.69

Value

$39K

View Form 4 on SEC.gov

Hart Richard Jonathan

CLO and CAO

Option

Date

Feb 15

Shares

16,124

Price

Value

View Form 4 on SEC.gov

Hart Richard Jonathan

CLO and CAO

Other

Date

Feb 15

Shares

5,944

Price

$25.69

Value

$153K

View Form 4 on SEC.gov

Source: SEC EDGAR · Form 4 filings · ⚡ = value ≥ $1M · Award/Option price shows —

About AAMI insider trading

AAMI insider trades

Acadian Asset Management (AAMI) insider trading data is sourced from SEC Form 4 filings submitted by corporate insiders, including Hart Richard Jonathan (CLO and CAO), Chersi Robert J (Director), Wiater Christina (PFO / PAO). Over the past 12 months, 5 insiders have filed transactions with the SEC. AAMI insiders have been primarily selling, which may reflect pre-scheduled Rule 10b5-1 plan executions.

For Acadian Asset Management's institutional ownership breakdown and insider ownership percentage, see the Ownership tab → Ownership tab →

Buy/Sell signal logic
acquisitionOrDisposition field:
A = Acquisition (buy) · D = Disposition (sell)
RSU vesting (M-Exempt) excluded from sentiment
Form 4SEC filing required within 2 business days of any insider transaction
10b5-1Pre-scheduled trading plan that allows insiders to sell on autopilot
Open MktDirect purchase or sale on the open market (excludes awards, options)

Frequently asked questions

AAMI insider trading · 5 questions

The insiders of Acadian Asset Management (AAMI) include executives and directors such as Hart Richard Jonathan (CLO and CAO), Chersi Robert J (Director), Wiater Christina (PFO / PAO), among others. Over the past 12 months, 5 insiders have filed Form 4 transactions with the SEC. Insider transactions are required to be reported within 2 business days of the trade date.

AAMI board member insider tradingwho are AAMI insidersAAMI insider rosterAcadian Asset Management executives insider activity

Source: FMP /stable/insider-trading/search · SEC EDGAR Form 3 & 4 · acquisitionOrDisposition A=Buy, D=Sell · RSU vesting (M-Exempt) excluded from sentiment bar · As of Jun 8, 2026