Quick Takeaways
- ALX - ALEXANDERS INC has 10 insiders with reported activity on this page.
- No net insider buy/sell flow is currently reported for the last year.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 10 Insiders of ALEXANDERS INC
- Symbol
- ALX on NYSE
- Location
- Paramus, NJ
What Changed
- No meaningful buy/sell imbalance is currently visible in the one-year window.
- Activity will update as new Forms 3/4/5 are filed.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsInsider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 05 May 2025.
Buys
$0
Shares: 0
Insiders: 0
Sells
$0
Shares: 0
Insiders: 0
Net
$0
Shares: 0
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
ALEXANDERS INC executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Properties Interstate | 10%+ Owner | $153,177,507 | Mixed | 23 Aug 2023 | ||
| David Mandelbaum | Director, 10%+ Owner | $108,707 | Mixed | 22 May 2025 | ||
| Russell B. Wight Jr. | Director, 10%+ Owner | $108,707 | Mixed | 22 May 2025 | ||
| Arthur Sonnenblick | Director | $108,707 | Mixed | 22 May 2025 | ||
| Mandakini Puri | Director | $108,707 | Mixed | 22 May 2025 | ||
| Richard R. West | Director | $108,707 | Mixed | 23 May 2024 | ||
| Thomas R. Dibenedetto | Director | $108,707 | Mixed | 22 May 2025 | ||
| Steven Roth | CHAIRMAN AND CEO, Director, 10%+ Owner | $108,707 | Mixed | 22 May 2025 | ||
| Wendy Silverstein | Director | $108,707 | Mixed | 22 May 2025 | ||
| Gary W. Hansen | Chief Financial Officer | Mixed | 02 Nov 2021 |
Top shareholders of ALEXANDERS INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Properties Interstate |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
503,046
|
$153,177,507 | — | 23 Aug 2023 | |
| BlackRock, Inc. |
13F
|
Company |
4.3%
|
215,958
|
$47,065,926 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13D/G
13F
|
The Vanguard Group · Company |
3.9%
|
199,629
|
$43,509,480 | $0 | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
3.4%
|
169,491
|
$36,938,982 | — | 31 Dec 2025 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
3.1%
|
155,918
|
$33,980,769 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13D/G
13F
|
THE GOLDMAN SACHS GROUP, INC. · Company |
2.9%
|
146,473
|
$32,641,466 | $0 | 31 Dec 2025 | |
| SOUTHEASTERN ASSET MANAGEMENT INC/TN/ |
13F
|
Company |
2.4%
|
122,712
|
$26,743,853 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.1%
|
57,402
|
$12,512,377 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
1%
|
52,771
|
$11,500,912 | — | 31 Dec 2025 | |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND |
13F
|
Company |
0.86%
|
43,600
|
$9,502,184 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.8%
|
40,218
|
$8,765,111 | — | 31 Dec 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.67%
|
33,720
|
$7,349,089 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.65%
|
32,726
|
$7,132,304 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.61%
|
30,784
|
$6,709,065 | — | 31 Dec 2025 | |
| DENALI ADVISORS LLC |
13F
|
Company |
0.59%
|
29,900
|
$6,516,406 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
0.56%
|
28,500
|
$6,211,290 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.56%
|
28,090
|
$6,121,941 | — | 31 Dec 2025 | |
| Bulldog Investors, LLP |
13F
|
Company |
0.55%
|
28,000
|
$6,102,320 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.51%
|
25,950
|
$5,655,543 | — | 31 Dec 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.5%
|
25,156
|
$5,482,499 | — | 31 Dec 2025 | |
| Beverly Hills Private Wealth, LLC |
13F
|
Company |
0.42%
|
21,238
|
$4,628,567 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.4%
|
20,291
|
$4,422,220 | — | 31 Dec 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.35%
|
17,698
|
$3,857,102 | — | 31 Dec 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.31%
|
15,687
|
$3,418,816 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.31%
|
15,620
|
$3,404,229 | — | 31 Dec 2025 | |
| Voss Capital, LP |
13F
|
Company |
0.3%
|
15,000
|
$3,269,100 | — | 31 Dec 2025 | |
| BESSEMER GROUP INC |
13F
|
Company |
0.28%
|
14,349
|
$3,127,000 | — | 31 Dec 2025 | |
| Marnell Management LLC |
13F
|
Company |
0.24%
|
12,040
|
$2,623,998 | — | 31 Dec 2025 | |
| SG Americas Securities, LLC |
13F
|
Company |
0.22%
|
10,952
|
$2,387,000 | — | 31 Dec 2025 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
0.19%
|
9,818
|
$2,139,735 | — | 31 Dec 2025 | |
| Susquehanna Portfolio Strategies, LLC |
13F
|
Company |
0.16%
|
7,948
|
$1,732,187 | — | 31 Dec 2025 | |
| ExodusPoint Capital Management, LP |
13F
|
Company |
0.12%
|
6,103
|
$1,330,088 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.11%
|
5,728
|
$1,248,361 | — | 31 Dec 2025 | |
| Penserra Capital Management LLC |
13F
|
Company |
0.11%
|
5,503
|
$1,199,000 | — | 31 Dec 2025 | |
| Quadrature Capital Ltd |
13F
|
Company |
0.1%
|
5,207
|
$1,134,814 | — | 31 Dec 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.1%
|
4,920
|
$1,072,265 | — | 31 Dec 2025 | |
| May Hill Capital, LLC |
13F
|
Company |
0.1%
|
4,890
|
$1,065,726 | — | 31 Dec 2025 | |
| Mariner, LLC |
13F
|
Company |
0.09%
|
4,660
|
$1,015,294 | — | 31 Dec 2025 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
0.09%
|
4,634
|
$1,009,387 | — | 31 Dec 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.09%
|
4,601
|
$1,002,741 | — | 31 Dec 2025 | |
| Swiss National Bank |
13F
|
Company |
0.09%
|
4,500
|
$980,730 | — | 31 Dec 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
0.08%
|
4,158
|
$907,000 | — | 31 Dec 2025 | |
| CAXTON ASSOCIATES LLP |
13F
|
Company |
0.08%
|
4,030
|
$878,298 | — | 31 Dec 2025 | |
| STATE OF WISCONSIN INVESTMENT BOARD |
13F
|
Company |
0.07%
|
3,746
|
$816,403 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.07%
|
3,354
|
$730,971 | — | 31 Dec 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.06%
|
3,223
|
$702,421 | — | 31 Dec 2025 | |
| NOMURA ASSET MANAGEMENT CO LTD |
13F
|
Company |
0.06%
|
3,195
|
$696,318 | — | 31 Dec 2025 | |
| Asset Management One Co., Ltd. |
13F
|
Company |
0.06%
|
3,094
|
$679,721 | — | 31 Dec 2025 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.06%
|
3,052
|
$665,143 | — | 31 Dec 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.06%
|
3,006
|
$655,128 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for ALEXANDERS INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Mandakini Puri | ALX | Deferred Stock Units | Award | 346 | 346 | 22 May 2025 | Direct | |||
| Arthur Sonnenblick | ALX | Deferred Stock Units | Award | 346 | 346 | 22 May 2025 | Direct | |||
| Russell B. Wight Jr. | ALX | Deferred Stock Units | Award | 346 | 346 | 22 May 2025 | Direct | |||
| Thomas R. Dibenedetto | ALX | Deferred Stock Units | Award | 346 | 346 | 22 May 2025 | Direct | |||
| David Mandelbaum | ALX | Deferred Stock Units | Award | 346 | 346 | 22 May 2025 | Direct | |||
| Steven Roth | ALX | Deferred Stock Units | Award | 346 | 346 | 22 May 2025 | Direct | |||
| Wendy Silverstein | ALX | Deferred Stock Units | Award | 346 | 346 | 22 May 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.