Comparable stake leader
VANGUARD CAPITAL MANAGEMENT LLC
SEC ownership of GLADSTONE COMMERCIAL CORP
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001234006.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
01 Sep 2026
- Public ticker
- GOOD, GOODN, GOODO on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
VANGUARD CAPITAL MANAGEMENT LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
VANGUARD CAPITAL MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
01 Sep 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001234006
- Issuer location
- Mclean, VA
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of GLADSTONE COMMERCIAL CORP (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD CAPITAL MANAGEME...
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
01 Sep 2026
13D/G
13F
3/4/5
Lead comparable stake: 5%
13D/G row: VANGUARD CAPITAL MANAGEMENT LLC
Showing 1-8 of 50 holder rows.
Quick read
VANGUARD CAPITAL MANAGEMENT LLC leads the comparable SEC ownership view at 5%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD CAPITAL MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 5
VANGUARD CAPITAL MANAGEMENT LLC
5%
Arthur S. Cooper
0.07%
John Sateri
0.05%
Gary Gerson
0.05%
Ryan Stuart Carter
0.01%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5%
|
$30,743,658
2,443,852 shares
|
$0 | 31 Mar 2026 |
| Arthur S. Cooper |
3/4/5
President
|
0.07%
|
$372,371
34,574 shares
|
+$74,921 | 07 Nov 2025 |
| John Sateri |
3/4/5
Chief Investment Officer
|
0.05%
|
$264,008
24,743 shares
|
— | 20 Mar 2026 |
| Gary Gerson |
3/4/5
Chief Financial Officer
|
0.05%
|
$303,382
24,427 shares
|
+$97,181 | 25 Feb 2026 |
| Ryan Stuart Carter |
3/4/5
Executive Vice President
|
0.01%
|
$63,798
4,900 shares
|
+$7,451 | 01 Sep 2026 |
| BlackRock, Inc. |
13F
Company
|
9.2%
|
$55,101,445
4,479,792 shares
|
— | 30 Jun 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
5.3%
|
$31,830,235
2,587,824 shares
|
— | 30 Jun 2026 |
| STATE STREET CORP |
13F
Company
|
3.5%
|
$20,708,317
1,683,603 shares
|
— | 30 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$179,554.
Buys
$179,554
Insiders: 3
Sells
$0
Insiders: 0
Net
+$179,554
Shares: +16,377
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 16,377
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 200 | 0 | $2,560 | $0 | +$2,560 |
| 3-6 | 300 | 0 | $3,743 | $0 | +$3,743 |
| 6-9 | 375 | 0 | $4,576 | $0 | +$4,576 |
| 9-12 | 15,502 | 0 | $168,675 | $0 | +$168,675 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-11 of 11 reporting-owner rows connected to GLADSTONE COMMERCIAL CORP. Open a relationship link for the CIK-to-CIK filing trail.
Rows
11
Largest Forms 3/4/5 holder
Robert G. Cutlip
Net 12M change
+$179,553
Latest report
01 Sep 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Robert G. Cutlip | President | $789,523 | Mixed | 25 Feb 2022 | ||
| Arthur S. Cooper | President | $372,371 | +$74,921 | +25% | Mixed | 07 Nov 2025 |
| Gary Gerson | Chief Financial Officer | $303,382 | +$97,181 | +47% | Mixed | 25 Feb 2026 |
| John Sateri | Chief Investment Officer | $264,008 | Mixed | 20 Mar 2026 | ||
| Ryan Stuart Carter | Executive Vice President | $63,798 | +$7,451 | +13% | Filing P/S | 01 Sep 2026 |
| Elliott Wislar Jr. | Chief Investment Officer | $41,015 | Mixed | 06 Mar 2023 | ||
| Jay Beckhorn | Treasurer | $18,530 | Mixed | 06 Mar 2023 | ||
| Paula Novara | Director | $4,676 | Mixed | 11 Oct 2022 | ||
| Erich Michael Hellmold | Co-General Counsel | Mixed | 10 Jul 2025 | |||
| George Stelljes III | Director | Mixed | 01 Jun 2026 | |||
| Katharine C. Gorka | Director | Mixed | 22 Aug 2024 |
Recent insider transactions for GLADSTONE COMMERCIAL CORP
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Ryan Stuart Carter | GOOD | Common Stock | Purchase | 2.08% | $1,302 | $13.02 | 100 | 4,900 | 01 Sep 2026 | Direct |
| Ryan Stuart Carter | GOOD | Common Stock | Purchase | 2.13% | $1,258 | $12.58 | 100 | 4,800 | 03 Aug 2026 | Direct |
| Ryan Stuart Carter | GOOD | Common Stock | Purchase | 2.17% | $1,226 | $12.26 | 100 | 4,700 | 01 Jul 2026 | Direct |
| Ryan Stuart Carter | GOOD | Common Stock | Purchase | 2.22% | $1,251 | $12.51 | 100 | 4,600 | 01 Jun 2026 | Direct |
| Ryan Stuart Carter | GOOD | Common Stock | Purchase | 2.27% | $1,266 | $12.66 | 100 | 4,500 | 01 May 2026 | Direct |
| Ryan Stuart Carter | GOOD | Common Stock | Purchase | 2.33% | $1,148 | $11.48 | 100 | 4,400 | 01 Apr 2026 | Direct |
| Gary Gerson | GOOD | Common Stock | Purchase | 1.19% | $3,428 | $12.46 | 275 | 23,475 | 25 Feb 2026 | Direct |
| Gary Gerson | GOOD | Common Stock | Purchase | $1,131 | $11.31 | 100 | 100 | 13 Nov 2025 | by Son | |
| Gary Gerson | GOOD | Common Stock | Purchase | 36.2% | $2,210 | $11.05 | 200 | 752 | 11 Nov 2025 | by Spouse |
| Gary Gerson | GOOD | Common Stock | Purchase | $1,105 | $11.05 | 100 | 100 | 11 Nov 2025 | by Daughter | |
| Gary Gerson | GOOD | Common Stock | Purchase | 48.7% | $83,980 | $11.05 | 7,600 | 23,200 | 11 Nov 2025 | Direct |
| Arthur S. Cooper | GOOD | Common Stock | Purchase | 26.9% | $74,921 | $10.70 | 7,002 | 33,074 | 07 Nov 2025 | by Arthur S. Cooper Revocable Trust |
| Gary Gerson | GOOD | Common Stock | Purchase | 3.31% | $5,328 | $10.66 | 500 | 15,600 | 06 Nov 2025 | Direct |
* marks a reported price that did not pass the local price check.