SEC Insider Transactions from Alsbrook Madeleine Thorp.

Last updated: 2026-04-02 21:09 UTC | Total transactions: 18

Madeleine Thorp Alsbrook, EVP of Talent Management at Alexandria Real Estate Equities ($ARE), made one open market sale of company shares in the last year, totaling about $161,000. Her most recent sale occurred on December 16, 2025. This places her 8,855th among 11,678 insiders by sale value, well below the average of $8.6 million across about 6.4 transactions per insider. She reported no open market purchases during this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
March 31, 2026 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management A Common Stock 16157 $0.00 38,781.0000 173,300,361 71.42% 0.01%
March 13, 2026 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management F Common Stock 1087 $48.41 22,624.0000 173,300,361 4.58% 0.00%
Jan. 23, 2026 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management F Common Stock 130 $59.69 23,711.0000 173,300,361 0.55% 0.00%
Jan. 23, 2026 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management D Common Stock 1120 $0.00 23,841.0000 173,300,361 4.49% 0.00%
Jan. 2, 2026 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management A Common Stock 1590 $0.00 24,961.0000 172,825,059 6.80% 0.00%
Dec. 16, 2025 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management S Common Stock 3486 $46.15 23,371.0000 172,825,059 12.98% 0.00%
Dec. 15, 2025 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management F Common Stock 2641 $47.41 26,857.0000 172,825,059 8.95% 0.00%
Sept. 15, 2025 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management F Common Stock 771 $85.57 29,498.0000 173,091,762 2.55% 0.00%
March 31, 2025 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management A Common Stock 8108 $0.00 30,269.0000 173,091,762 36.59% 0.00%
Jan. 2, 2025 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management A Common Stock 790 $0.00 22,161.0000 0 3.70% 0.00%
Dec. 31, 2024 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management D Common Stock 608 $0.00 21,459.0000 0 2.76% 0.00%
Dec. 31, 2024 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management F Common Stock 88 $97.55 21,371.0000 0 0.41% 0.00%
Dec. 16, 2024 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management S Common Stock 4360 $102.34 22,067.0000 0 16.50% 0.00%
Dec. 13, 2024 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management F Common Stock 3356 $102.66 26,427.0000 0 11.27% 0.00%
Sept. 13, 2024 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management F Common Stock 769 $124.42 29,783.0000 0 2.52% 0.00%
March 29, 2024 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management F Common Stock 197 $128.91 30,552.0000 0 0.64% 0.00%
March 29, 2024 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management D Common Stock 375 $0.00 30,749.0000 0 1.20% 0.00%
Jan. 2, 2024 ALEXANDRIA REAL ESTATE EQUITIES, INC. $ARE Alsbrook Madeleine Thorp EVP - Talent Management A Common Stock 2400 $0.00 31,124.0000 0 8.36% 0.00%