Lisa Polsky

Director, THINKORSWIM GROUP INC.

Companies

Pershing Square USA, Ltd.Board member Apr 28, 2026 to now¹
MFA FINANCIAL, INC.Board member Jan 8, 2020 to now²
Piper Sandler CompaniesBoard member May 4, 2007 to May 14, 2015³
CIT GroupExec VP & Chief Risk Officer May 19, 2010 to Feb 23, 2015⁴

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Pershing Square USA, Ltd. PSUS6,177 shares⁵$230.6K at $37.34Aug 18, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

Aug 18, 2026Bought 6,177 shares at $39.45 of Pershing Square USA, Ltd.⁵

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARPershing Square USA, Ltd., Board member
2
SEC EDGARMFA FINANCIAL, INC., Board member
3
SEC EDGARPiper Sandler Companies, Board member
4
SEC EDGARCIT Group, Exec VP & Chief Risk Officer
5
SEC EDGARPershing Square USA, Ltd. shares after the filing of Aug 18, 2026