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US INSIDER PROFILE · NON-SCORING RESEARCH

MARCUS JOEL S

Executive Chairman

Identity: SEC reporting-owner CIK · Reporting-owner CIK: 0001216955

Purchase history

Companies traded
1
Purchases · 12M
6
Purchases · 24M
6
Average purchase
$484.3K
Median purchase
$334.0K
Gross purchase value
$2.9M

Companies: ALEXANDRIA REAL ESTATE EQUITIES, INC.

6 SEC accession(s) · 0 joint-owner event(s). Values are reported Form 4 transaction values in USD.

Qualifying purchase disclosures

PublishedCompanyTickerRoleReported valueSEC source
2026-09-15ALEXANDRIA REAL ESTATE EQUITIES, INC.AREExecutive Chairman$248.4KOpen filing
2026-08-19ALEXANDRIA REAL ESTATE EQUITIES, INC.AREExecutive Chairman$231.4KOpen filing
2026-05-07ALEXANDRIA REAL ESTATE EQUITIES, INC.AREExecutive Chairman$347.6KOpen filing
2026-05-06ALEXANDRIA REAL ESTATE EQUITIES, INC.AREExecutive Chairman$320.4KOpen filing
2026-05-05ALEXANDRIA REAL ESTATE EQUITIES, INC.AREExecutive Chairman$410.2KOpen filing
2026-02-13ALEXANDRIA REAL ESTATE EQUITIES, INC.AREExecutive Chairman$1.3MOpen filing

Post-purchase outcomes

Excess return = stock return − S&P 500 ETF (SPY adjusted close) return. Returns start on the first shared trading session on or after publication.

PeriodCompleted eventsPrice coverageHit rateMedian excess returnAverage excess returnWorst excess return
5D6Developing100.0% (6/6)66.7% (4/6)+2.1%+2.0%-1.0%
20D5Developing83.3% (5/6)80.0% (4/5)+12.3%+8.7%-6.1%
60D4Small Sample100.0% (4/4)75.0% (3/4)+8.3%+3.4%-18.6%
120D1Small Sample100.0% (1/1)0.0% (0/1)-16.5%-16.5%-16.5%

Research patterns

First purchase in 12M
1/6
Large purchase ≥ $100k
6/6
Cluster buying · 15D
3/6
Buying the dip
6/6

Routine / opportunistic: Not classifiable. These labels never affect the score or ranking.

Small samples remain visible but are not scored. This research enrichment never affects US-v1.1.