Key facts
- This page summarizes Christina Wiater's Form 4 filing for Acadian Asset Management Inc. (AAMI).
- 7 reported transactions and 3 derivative rows are listed below.
- Accepted by SEC: 18 Feb 2026, 17:15.
Christina Wiater - 13 Feb 2026 Form 4 Insider Report for Acadian Asset Management Inc. (AAMI)
- Reporting relationship
- PFO / PAO
- Issuer ticker
- AAMI
- Reported as of
- 13 Feb 2026
- Net transaction value
- -$139,839
- SEC form
- 4
- Accepted by SEC
- 18 Feb 2026, 17:15:59 UTC
- Prior SEC filing
- 19 Feb 2025
- Next SEC filing
- 05 Aug 2026
- Source filing
- View source filing
- Reporting owner signature
- /s/ Richard J. Hart, By POA for Christina Wiater
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Christina Wiater filed Form 4 for Acadian Asset Management Inc. (AAMI) on 18 Feb 2026.
Change
- Previous filing in this sequence was filed on 19 Feb 2025.
- Current net transaction value: -$139,839.
Research use
- This tells you what this filing adds before you inspect full transaction and derivative tables.
- You can trace every row back to the original SEC filing document.
Evidence
Filed on Form 4
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
Reporting Owners (1)
CIK 0001806909
Primary reporting owner
Wiater Christina
- Relationship
- PFO / PAO
- Address
- 200 STATE STREET, SUITE 601A, BOSTON
- Signature
- /s/ Richard J. Hart, By POA for Christina Wiater
- Signature date
- 18 Feb 2026
Reported non-derivative transactions
Shares, units, or other non-derivative securities reported in this filing.
AAMI
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +4,006
- Change %
- +21%
- Price
- $0.000000
- Shares after
- 23,131
- Date
- 14 Feb 2026
- Ownership
- Direct
AAMI
transaction
Common Stock
Tax liability
- Transaction value
- $60,976
- Shares
- -1,176
- Change %
- -5.1%
- Price
- $51.85
- Shares after
- 21,955
- Date
- 14 Feb 2026
- Ownership
- Direct
AAMI
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +5,180
- Change %
- +24%
- Price
- $0.000000
- Shares after
- 27,135
- Date
- 15 Feb 2026
- Ownership
- Direct
AAMI
transaction
Common Stock
Tax liability
- Transaction value
- $78,864
- Shares
- -1,521
- Change %
- -5.6%
- Price
- $51.85
- Shares after
- 25,614
- Date
- 15 Feb 2026
- Ownership
- Direct
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
AAMI
transaction
Derivative
Restricted Stock Units
Award
- Transaction value
- $0
- Shares
- +5,407
- Change %
- +26%
- Price
- $0.000000
- Shares after
- 26,432
- Date
- 13 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 5,407
- Exercise price
- $0.000000
- Footnotes
- F1, F2
AAMI
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- $0
- Shares
- -4,006
- Change %
- -15%
- Price
- $0.000000
- Shares after
- 22,426
- Date
- 14 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 4,006
- Exercise price
- $0.000000
- Footnotes
- F1, F3
AAMI
transaction
Derivative
Restricted Stock Units
Options Exercise
- Transaction value
- $0
- Shares
- -5,180
- Change %
- -23%
- Price
- $0.000000
- Shares after
- 17,246
- Date
- 15 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 5,180
- Exercise price
- $0.000000
- Footnotes
- F4
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 4 footnotes
Footnote F1
Each restricted stock unit represents the right to receive one share of common stock of Acadian Asset Management Inc.
Footnote F2
On February 13, 2026, the reporting person was granted 5,407 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 13, 2027, February 13, 2028 and February 13, 2029.
Footnote F3
On February 14, 2025, the reporting person was granted 12,018 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 14, 2026, February 14, 2027 and February 14, 2028.
Footnote F4
On February 15, 2023, the reporting person was granted 4,059 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 15, 2024, February 15, 2025 and February 15, 2026. On February 15, 2024, the reporting person was granted 11,481 restricted stock units, vesting in equal annual installments over a three-year period with 1/3 of the shares vesting on each of February 15, 2025, February 15, 2026 and February 15, 2027.