Ownership & Insider Lab

Look up a company to review current SEC-traceable insider positions, exact reporting-owner relationships across other published companies, a dated chronology of the published ownership evidence, and recent supported insider transactions where transaction history is separately available.
Coverage follows the existing reviewed company dataset and fails closed when a ticker is not currently supported.

ALEXANDRIA REAL ESTATE EQUITIES, INC. (ARE)

NYSE · SEC CIK 0001035443

$29.85MCovered current disclosed holdings
1Covered reporting owners
1Covered direct positions
1Source ownership filings

This is the supported SEC-traceable subset, not total insider ownership or personal wealth. Values reflect the current disclosed positions Grizzly Bulls can resolve and value. Latest source filing: Sep 15, 2026 · values through Sep 25, 2026.

Covered reporting owners

Filter the reporting-owner snapshot by holder, role, or security. Position values are shown only where the current reviewed data supports them.

1 shown
HolderRolePositionCurrent valueLatest filing
Joel S. MarcusResearch disclosed relationshipsExecutive Chairman · Director597,724 sharesCommon Stock, $0.01 par value per share$29.85MSep 15, 2026

Reporting-owner research graph

These relationships are joined only when the same single SEC reporting-owner CIK appears unambiguously across the publication-authorized company ownership universe. Name similarity is never used to create a relationship.

This graph is bounded to the company ownership relationships currently published by Grizzly Bulls. It is not a complete employment, board, ownership, portfolio, or wealth history, and a missing relationship does not establish that none exists.

SEC transaction evidence ledger

Each row preserves the reviewed SEC transaction evidence, including the effective-date basis, amendment state, reported post-transaction position when present, and a separately published current covered owner/security position when one can be matched uniquely. Reported price is shown when present. The lab does not calculate gross proceeds, reconstruct balances between filings, or treat historical transactions as current wealth.

9 shown
Effective dateHolderActionSecurityUnitsReported priceReported position after transactionCurrent covered positionFiling
Sep 11, 2026Transaction dateJoel S. MarcusResearch disclosed relationshipsPurchaseSEC code PCommon Stock, $0.01 par value per share5,000 shares$49.68597,724 shares597,724 sharesOwner coverage latest filing Sep 15, 20264Filed Sep 15, 2026
Aug 17, 2026Transaction dateJoel S. MarcusResearch disclosed relationshipsPurchaseSEC code PCommon Stock, $0.01 par value per share5,000 shares$46.28592,724 shares597,724 sharesOwner coverage latest filing Sep 15, 20264Filed Aug 19, 2026
Jun 15, 2015Transaction dateJoel S. MarcusResearch disclosed relationshipsSaleSEC code SCommon Stock, $0.01 par value per share5,000 shares$91.17543,791 shares597,724 sharesOwner coverage latest filing Sep 15, 20264Filed Jun 15, 2015
Jun 11, 2015Transaction dateJoel S. MarcusResearch disclosed relationshipsSaleSEC code SCommon Stock, $0.01 par value per share10,000 shares$91.3548,791 shares597,724 sharesOwner coverage latest filing Sep 15, 20264Filed Jun 15, 2015
May 19, 2004Transaction dateJoel S. MarcusResearch disclosed relationshipsSaleSEC code SCommon Stock, $0.01 par value per share900 shares$53.25201,426 shares597,724 sharesOwner coverage latest filing Sep 15, 20264Filed May 20, 2004
May 14, 2004Transaction dateJoel S. MarcusResearch disclosed relationshipsSaleSEC code SCommon Stock, $0.01 par value per share900 shares$52.31202,326 shares597,724 sharesOwner coverage latest filing Sep 15, 20264Filed May 17, 2004
May 7, 2004Transaction dateJoel S. MarcusResearch disclosed relationshipsSaleSEC code SCommon Stock, $0.01 par value per share2,000 shares$53.49203,226 shares597,724 sharesOwner coverage latest filing Sep 15, 20264Filed May 10, 2004
May 7, 2004Transaction dateJoel S. MarcusResearch disclosed relationshipsSaleSEC code SCommon Stock, $0.01 par value per share2,000 shares$53.6205,226 shares597,724 sharesOwner coverage latest filing Sep 15, 20264Filed May 10, 2004
May 7, 2004Transaction dateJoel S. MarcusResearch disclosed relationshipsSaleSEC code SCommon Stock, $0.01 par value per share2,000 shares$53.61207,226 shares597,724 sharesOwner coverage latest filing Sep 15, 20264Filed May 10, 2004

A reported post-transaction position is the balance stated in that historical transaction filing. A current covered position is a separate latest owner/security observation and may reflect later filings or activity. They are shown side by side as evidence points, not as a reconstructed continuous ledger.

Published 9 of 9 source candidates under the current reviewed security-resolution rules.

Covered securities

SecurityInstrument familyCovered positionsCovered value
Common Stock, $0.01 par value per shareordinary-share1$29.85M

Coverage and interpretation

Current holdings: direct positions that the reviewed ownership data can trace to an exact reporting owner, legal security, and current-basis quantity.

Current value: the existing published company-position valuation. This lab does not recalculate security values or infer missing positions.

Transaction evidence: historical flow observations with filing provenance. Reported post-transaction balances and current covered positions are separate evidence points; the lab does not interpolate ownership between them.

Reporting-owner graph: exact reporting-owner CIK relationships across the published company universe. It does not merge people by name or create a complete personal history.

Not included here: a claim of total insider ownership, total personal wealth, institutional 13F ownership, a transaction-value estimate, an insider sentiment score, or an investment recommendation.

Published ownership evidence chronology

This sequence orders only the ownership evidence already published by Grizzly Bulls for the exact reporting-owner relationships above. Transaction rows are ordered by filing date while preserving the separate economic effective date and its basis. Current covered snapshots remain separate latest observations.

The chronology does not interpolate ownership between entries, infer missing activity, pair an amended filing with an assumed parent, infer amendment supersession, or treat a current covered snapshot as proof of continuous ownership.

Joel S. Marcus

SEC reporting-owner CIK 0001216955 · 1 published relationship company

SEC owner filings
Evidence dateCompanyObservationSecurity / positionSource
Sep 15, 2026Latest represented filing dateALEXANDRIA REAL ESTATE EQUITIES, INC. (ARE)NYSECurrent covered snapshotExecutive Chairman · DirectorValuation observation Sep 25, 2026Common Stock, $0.01 par value per share: 597,724 sharesCurrent covered company value: $29.85MPublished current ownership snapshotForms represented: 4Owner filingsIssuer filings
Sep 15, 2026Filed dateALEXANDRIA REAL ESTATE EQUITIES, INC. (ARE)NYSEPurchaseSEC code PEffective Sep 11, 2026 · transaction dateReported units 5,000 shares · reported price 49.68Common Stock, $0.01 par value per shareReported position after transaction: 597,724 shares4 filing0001216955-26-000021
Aug 19, 2026Filed dateALEXANDRIA REAL ESTATE EQUITIES, INC. (ARE)NYSEPurchaseSEC code PEffective Aug 17, 2026 · transaction dateReported units 5,000 shares · reported price 46.28Common Stock, $0.01 par value per shareReported position after transaction: 592,724 shares4 filing0001216955-26-000019
Jun 15, 2015Filed dateALEXANDRIA REAL ESTATE EQUITIES, INC. (ARE)NYSESaleSEC code SEffective Jun 11, 2015 · transaction dateReported units 10,000 shares · reported price 91.3Common Stock, $0.01 par value per shareReported position after transaction: 548,791 shares4 filing0001035443-15-000057
Jun 15, 2015Filed dateALEXANDRIA REAL ESTATE EQUITIES, INC. (ARE)NYSESaleSEC code SEffective Jun 15, 2015 · transaction dateReported units 5,000 shares · reported price 91.17Common Stock, $0.01 par value per shareReported position after transaction: 543,791 shares4 filing0001035443-15-000057
May 20, 2004Filed dateALEXANDRIA REAL ESTATE EQUITIES, INC. (ARE)NYSESaleSEC code SEffective May 19, 2004 · transaction dateReported units 900 shares · reported price 53.25Common Stock, $0.01 par value per shareReported position after transaction: 201,426 shares4 filing0001216955-04-000006
May 17, 2004Filed dateALEXANDRIA REAL ESTATE EQUITIES, INC. (ARE)NYSESaleSEC code SEffective May 14, 2004 · transaction dateReported units 900 shares · reported price 52.31Common Stock, $0.01 par value per shareReported position after transaction: 202,326 shares4 filing0001216955-04-000005
May 10, 2004Filed dateALEXANDRIA REAL ESTATE EQUITIES, INC. (ARE)NYSESaleSEC code SEffective May 7, 2004 · transaction dateReported units 2,000 shares · reported price 53.61Common Stock, $0.01 par value per shareReported position after transaction: 207,226 shares4 filing0001216955-04-000004
May 10, 2004Filed dateALEXANDRIA REAL ESTATE EQUITIES, INC. (ARE)NYSESaleSEC code SEffective May 7, 2004 · transaction dateReported units 2,000 shares · reported price 53.6Common Stock, $0.01 par value per shareReported position after transaction: 205,226 shares4 filing0001216955-04-000004
May 10, 2004Filed dateALEXANDRIA REAL ESTATE EQUITIES, INC. (ARE)NYSESaleSEC code SEffective May 7, 2004 · transaction dateReported units 2,000 shares · reported price 53.49Common Stock, $0.01 par value per shareReported position after transaction: 203,226 shares4 filing0001216955-04-000004

Company-level recent transaction history is published for 1 of 1 relationship companies in this graph; 9 published transaction rows for this exact reporting-owner CIK appear in the chronology.

Continue this ownership research

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CompanyReporting-owner contextPublished evidenceContinue research
ALEXANDRIA REAL ESTATE EQUITIES, INC. (ARE)NYSE · Current company10Published chronology observationsLatest represented evidence Sep 15, 2026

These are company-level continuation paths, not reporting-owner subscriptions. Saving or watching one company does not automatically save or watch the other companies connected to the same reporting owner, and it does not create an owner-level alert.