ARE insider buying and SEC filings, explained
Alexandria Real Estate Equities, Inc. · CIK 1035443
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Insider activity in the last 12 months
Bought
$3.2M
Insiders who bought
3
Sold (not marked 10b5-1)
$1.8M
Planned sales (10b5-1)
$134K
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Sep 11, 2026 | Sale | Kristina Fukuzaki-Carlson (EVP - Business Operations) sold 16,810 shares at $50.51 ($849K). Holdings down 30% to 39,152 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 15, 2026 |
| Sep 11, 2026 | Purchase (code P) | Joel S. Marcus (Chair and Director) bought 5,000 shares at $49.68 ($248K), reported as a purchase (code P). Holdings up 1% to 597,724 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 15, 2026 |
| Aug 31, 2026 | Sale | Andres Gavinet (Chief Accounting Officer) sold 10,000 shares at $50.93 ($509K). Holdings down 9% to 102,516 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 2, 2026 |
| Aug 17, 2026 | Purchase (code P) | Joel S. Marcus (Chair and Director) bought 5,000 shares at $46.28 ($231K), reported as a purchase (code P). Holdings up 1% to 592,724 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 19, 2026 |
| Jun 9, 2026 | Planned (10b5-1) | Marc E Binda (CFO) sold 2,000 shares at $54.00 ($108K), marked as a 10b5-1 plan trade. Holdings down 1% to 188,264 shares. | SEC filing Filed Jun 11, 2026 |
| May 6, 2026 | Purchase (code P) | Joel S. Marcus (Chair and Director) bought 7,500 shares at about $46.34 ($348K), reported as a purchase (code P). Holdings up 1% to 587,724 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 7, 2026 |
| May 5, 2026 | Purchase (code P) | Joel S. Marcus (Chair and Director) bought 7,500 shares at about $42.72 ($320K), reported as a purchase (code P). Holdings up 1% to 580,224 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 6, 2026 |
| May 4, 2026 | Purchase (code P) | Joel S. Marcus (Chair and Director) bought 10,000 shares at $41.02 ($410K), reported as a purchase (code P). Holdings up 2% to 572,724 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 5, 2026 |
| Apr 30, 2026 | Purchase (code P) | Gregory Calvin Thomas (EVP - CTO) bought 3,500 shares at $41.00 ($144K), reported as a purchase (code P). Holdings up 12% to 33,024 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 4, 2026 |
| Apr 17, 2026 | Planned (10b5-1) | Hallie E. Kuhn (EVP - Cap Market & Co-Lead -LS) sold 536 shares at $48.20 ($26K), marked as a 10b5-1 plan trade. Holdings down 1% to 48,301 shares. | SEC filing Filed Apr 21, 2026 |
| Feb 27, 2026 | Sale | Bret E. Gossett (EVP - Co-RMD) sold 4,702 shares at $53.55 ($252K). Holdings down 10% to 41,793 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 3, 2026 |
| Feb 12, 2026 | Purchase (code P) | Joel S. Marcus (Chair and Director) bought 25,000 shares at about $53.92 ($1.3M), reported as a purchase (code P). Holdings up 5% to 562,724 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Feb 13, 2026 |
| Dec 16, 2025 | Sale | Madeleine Thorp Alsbrook (EVP - Talent Management) sold 3,486 shares at $46.15 ($161K). Holdings down 13% to 23,371 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 17, 2025 |
| Dec 10, 2025 | Purchase (code P) | Sheila K. McGrath (Director) bought 3,100 shares at $45.60 ($141K), reported as a purchase (code P). Holdings up 59% to 8,392 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Dec 12, 2025 |
124 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
2 insiders bought in 30 days
$1.2M in purchases since Apr 30, 2026 · Purchases traded Apr 30, 2026 to May 6, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Gregory Calvin Thomas (EVP - CTO) | $144K | Apr 30, 2026 | SEC filing |
| Joel S. Marcus (Chair) | $410K | May 4, 2026 | SEC filing |
| Joel S. Marcus (Chair) | $320K | May 5, 2026 | SEC filing |
| Joel S. Marcus (Chair) | $348K | May 6, 2026 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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