William A Ackman

William A Ackman

CEO, COB, 10%
Pershing Square Inc.
PS·NYSE
MODERATE
56

The Alpha Score is an informational signal based on public SEC fillings. It is not investment advice.

CEOJOURNAL SIGNAL SUMMARY·GENERATED FROM PUBLIC SEC FILINGS

William A Ackman made an open-market purchase of Pershing Square Inc. on 2026-04-30, investing approximately $19,015,801. This is a CEOJournal signal summary placeholder — full narrative pending Claude Haiku enrichment.

Summary based on Form 4 filings and DEF 14A proxy data. Not investment advice. Updated on new filing activity.
Score Components
Opportunism
51
Conviction
100
Pattern
50
Cluster
30
Track Record
50
COMPOSITE ALPHA SCORE
56
Score calculated from open-market purchases only; 10b5-1 preplanned trades excluded; not investment advice.
OPPORTUNISM
Proxy from ownership-change magnitude. Real Opportunism signal will use %52W proximity once price data is in pipeline.
CONVICTION
Log-scaled from trade size. Real Conviction signal will use trade $ ÷ total compensation once DEF 14A data is in pipeline.
PATTERN
Placeholder — 90-day qualifying buy count requires historical Form 4 scrapes (Phase 2).
CLUSTER
Count of other insiders buying the same ticker in our current dataset window.
TRACK RECORD
Placeholder — executive tenure × prior buy P&L requires historical price tracking (Phase 2).
FORM 4 TRANSACTION HISTORYSOURCE: SEC EDGAR
DATETRANSACTION TYPECODESHARESPRICETOTAL VALUE10b5-1SCORE
Apr 30, 2026Open-Market PurchaseP800,000$23.77$19,015,801N/A56
Data sourced from SEC EDGAR Form 4 filings, updated within 24 hours.
Only transaction code P (open-market purchase) qualifies for Alpha Score calculation.
EXECUTIVE PROFILE
William A Ackman

William A Ackman

CEO, COB, 10%
Biography pending DEF 14A enrichment.
Pending DEF 14A enrichment.
Pending DEF 14A enrichment.
COMPENSATION & OWNERSHIP ·SOURCE: DEF 14A PROXY
ANNUAL BASE SALARY
—
TOTAL COMPENSATION
—
SHARES HELD
94,640,492
EST. HOLDINGS VALUE
$3.75B
as of May 30, 2026 close
Summary based on Form 4 filings and DEF 14A proxy data. Not investment advice. Updated on new filing activity.
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