ALEXANDERS INC (ALX) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-06-10

ALEXANDERS INC (ALX) has filed 8 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-10. 2 Form 8-K material event filings were reported by ALX in the last 90 days. 1 Form 144 notices of proposed sale were filed for ALX stock. InsiderAlpha tracks every ALX SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About ALEXANDERS INC (ALX)

SEC CIK	0000003499

90-Day SEC Filing Activity

Form 4 filings (90d)	8
Form 8-K filings (90d)	2
Form 144 notices (90d)	1
Latest Form 4 filing	2026-06-10

Recent ALX Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-06-09	WIGHT RUSSELL B JR	Insider	S — Open-market sale	423	$267.00	$113K	SEC

All transactions sourced from SEC EDGAR Form 4 filings for ALEXANDERS INC (ALX). Updated in real time as new filings are submitted to the SEC.

Most-Active ALX Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
WIGHT RUSSELL B JR	2	$113K
DIBENEDETTO THOMAS R	1	—
MANDELBAUM DAVID	1	—
SILVERSTEIN WENDY	1	—
SONNENBLICK ARTHUR	1	—

Recent ALX Form 8-K Material Events

2026-05-28 — Item 7.01, 9.01 [SEC]
2026-05-21 — Item 5.02, 5.07, 9.01 [SEC]
2026-03-31 — Item 1.01, 9.01 · Contract · negative [SEC]
Alexander's Inc subsidiary entered into a lease amendment with Bloomberg L.P. granting a $56.8 million rent abatement from April 1 to December 1, 2026, while reducing Bloomberg's tenant improvement fund by the same amount. The company simultaneously amended its loan agreement to
2026-03-09 — Item 1.01, 7.01, 9.01 · Acquisition · positive [SEC]
Alexander's Inc. entered into a definitive agreement to sell its Rego Park I shopping center in Queens, New York to Northwell Health for $235.5 million in cash, with expected net proceeds of $202 million. The sale is expected to close by Q3 2026 and represents a significant asset

Recent ALX Form 144 Notices of Proposed Sale

2026-06-09 — — [SEC]

Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.

Recent Insider Filings

2026-06-10 — WIGHT RUSSELL B JR (Insider)
2026-05-22 — SILVERSTEIN WENDY (Insider)
2026-05-22 — SONNENBLICK ARTHUR (Insider)
2026-05-22 — DIBENEDETTO THOMAS R (Insider)
2026-05-22 — Puri Mandakini (Insider)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in ALX insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

ALX Insider Trading — FAQ

What is the latest insider trade for ALX?: ALEXANDERS INC (ALX) had 8 insider filings in the last 90 days, with the most recent on 2026-06-10. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying ALX stock?: 0 insider purchases of ALX were filed in the last 90 days.
How many insiders are selling ALX stock?: 0 insider sales of ALX were filed in the last 90 days.
Where can I see ALX SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every ALX SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Learn More

Open the live ALX dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.