Groowe Groowe BETA / Newsroom
⏱ News is delayed by 15 minutes. Sign in for real-time access. Sign in

Form 8-K

sec.gov

8-K — GLADSTONE COMMERCIAL CORP

Accession: 0001193125-26-252616

Filed: 2026-06-02

Period: 2026-06-01

CIK: 0001234006

SIC: 6519 (LESSORS OF REAL PROPERTY, NEC)

Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Item: Regulation FD Disclosure

Item: Financial Statements and Exhibits

Documents

8-K — d44825d8k.htm (Primary)

EX-99.1 (d44825dex991.htm)

GRAPHIC (g44825dsp005.jpg)

XML — IDEA: XBRL DOCUMENT (R1.htm)

8-K

8-K (Primary)

Filename: d44825d8k.htm · Sequence: 1

8-K

GLADSTONE COMMERCIAL CORP false 0001234006 0001234006 2026-06-01 2026-06-01 0001234006 us-gaap:CommonStockMember 2026-06-01 2026-06-01 0001234006 good:A6.625SeriesECumulativeRedeemablePreferredStockMember 2026-06-01 2026-06-01 0001234006 good:A7.00SeriesDCumulativeRedeemablePreferredStockMember 2026-06-01 2026-06-01

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event Reported): June 2, 2026 (June 1, 2026)

Gladstone Commercial Corporation

(Exact Name of Registrant as Specified in Charter)

Maryland

001-33097

02-0681276

(State or Other Jurisdiction

of Incorporation)

(Commission

File Number)

(I.R.S. Employer

Identification Number)

1521 Westbranch Drive, Suite 100, McLean, Virginia 22102

(Address of Principal Executive Offices) (Zip Code)

(703) 287-5800

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading

Symbol(s)

Name of each exchange

on which registered

Common Stock, $0.001 par value per share

GOOD

The Nasdaq Stock Market LLC

6.625% Series E Cumulative Redeemable Preferred Stock, par value $0.001 per share

GOODN

The Nasdaq Stock Market LLC

6.00% Series G Cumulative Redeemable Preferred Stock, par value $0.001 per share

GOODO

The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.02

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On June 1, 2026, the Board of Directors (the “Board”) of Gladstone Commercial Corporation (the “Company”) elected George “Chip” Stelljes, III to the Board, effective June 1, 2026. Mr. Stelljes will join the 2028 class of Directors for the Company as an independent director, with a term expiring at the Company’s 2028 annual meeting of stockholders. The Board has also named Mr. Stelljes to its Compensation Committee, its Ethics, Nominating and Corporate Governance Committee, and its Valuation Committee.

Mr. Stelljes will be compensated on a pro-rated basis for his service on the Board in accordance with the Company’s compensation program for independent directors, as set forth in the Company’s proxy statement for its 2026 annual meeting of stockholders.

There are no other arrangements or understandings between Mr. Stelljes and any other person pursuant to which he was elected as a director of the Company. There are no transactions between Mr. Stelljes and the Company that would be reportable under Item 404(a) of Regulation S-K.

Item 7.01

Regulation FD Disclosure.

On June 2, 2026, the Company issued a press release (the “Press Release”) announcing Mr. Stelljes’ election to the Board. A copy of the Press Release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.

The information in Item 7.01 of this Current Report on Form 8-K, as well as Exhibit 99.1 attached hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 9.01.

Financial Statements and Exhibits.

(d)

Exhibits.

Exhibit

No.

Description

99.1

Press Release dated June 2, 2026

104

Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Gladstone Commercial Corporation

(Registrant)

June 2, 2026

By:

/s/ Gary Gerson

(Gary Gerson, EVP and Chief Financial Officer)

EX-99.1

EX-99.1

Filename: d44825dex991.htm · Sequence: 2

EX-99.1

Exhibit 99.1

Gladstone Commercial Corporation Announces Election of

George “Chip” Stelljes, III as Director

MCLEAN, VA, June 2, 2026 – Gladstone Commercial Corporation (Nasdaq: GOOD) (the “Company”) announced that George

“Chip” Stelljes, III has been elected to the 2028 class of directors for the Company, effective June 1, 2026. Mr. Stelljes has also been appointed to serve on the Company’s Compensation Committee, Ethics,

Nominating & Corporate Governance Committee and Valuation Committee. In connection with Mr. Stelljes’ appointment, the size of the Company’s board of directors has been expanded from seven to eight directors.

Mr. Stelljes was selected to serve as a director due to his more than twenty-five years of experience in the investment analysis, management, and advisory industries.

“We are excited to strengthen our board with the appointment of Chip Stelljes,” said David Gladstone, Chairman of the Company’s board of

directors. “His prior service with the Gladstone companies and his deep experience in private equity fund investment will be a valuable asset to the Company as we continue to grow.”

Mr. Stelljes is currently the managing partner of St. John’s Capital, LLC, a vehicle used to make private equity investments. From 2001 to 2013,

Mr. Stelljes held various senior positions with the Gladstone Companies, including serving as the chief investment officer, president and a director of Gladstone Capital Corporation, Gladstone Investment Corporation, Gladstone Commercial

Corporation, and Gladstone Management Corporation. Prior to his service at the Gladstone companies, for 23 years, Mr. Stelljes served in a variety of roles at multiple private equity and venture capital funds, including Patriot Capital, Camden

Partners, and Columbia Capital as well as Allied Capital.

Mr. Stelljes is currently the chairman of the board of directors of Equalize Community

Development Fund, a closed-end investment company that operates as an interval fund and an independent director of Oxford Square Capital Corporation, a publicly-traded,

closed-end management investment company. He is also a former board member and regional president of the National Association of Small Business Investment Companies. Mr. Stelljes holds an MBA from the

University of Virginia and a BA in Economics from Vanderbilt University.

About Gladstone Commercial (Nasdaq: GOOD)

Gladstone Commercial is a real estate investment trust focused on acquiring, owning and operating net leased industrial and office properties across the United

States. As of March 31, 2026, Gladstone Commercial’s real estate portfolio consisted of 151 properties located in 27 states, totaling approximately 17.7 million square feet. For additional information, please visit

www.gladstonecommercial.com.

About the Gladstone Companies

Information on the business activities of all the Gladstone family of funds can be found at www.gladstonecompanies.com.

For Broker Submittals:

Southeast/Northeast

Midwest/West

Nick Lindsay

Ryan Carter

Vice President

Executive Vice President

(703) 966-3864

(571) 451-0019

Nick.Lindsay@gladstone.com

Ryan.Carter@gladstone.com

South Central:

Todd Alan McDonald

Senior Vice President

(703) 287-5895

Todd.McDonald@gladstone.com

Investor or Media Inquiries:

Buzz Cooper

Catherine Gerkis

CEO & President

Director of Investor Relations/ESG

(703) 287-5815

(703) 287-5846

Buzz.Cooper@gladstone.com

Catherine.Gerkis@gladstone.com

CONTACT: For further information: Gladstone Commercial Corporation, (703) 287-5893

GRAPHIC

GRAPHIC

Filename: g44825dsp005.jpg · Sequence: 7

Binary file (10055 bytes)

Download g44825dsp005.jpg

XML — IDEA: XBRL DOCUMENT

XML

Filename: R1.htm · Sequence: 9

v3.26.1

Document and Entity Information

Jun. 01, 2026

Document And Entity Information [Line Items]

Entity Registrant Name

GLADSTONE COMMERCIAL CORP

Amendment Flag

false

Entity Central Index Key

0001234006

Document Type

8-K

Document Period End Date

Jun. 01, 2026

Entity Incorporation State Country Code

MD

Entity File Number

001-33097

Entity Tax Identification Number

02-0681276

Entity Address, Address Line One

1521 Westbranch Drive

Entity Address, Address Line Two

Suite 100

Entity Address, City or Town

McLean

Entity Address, State or Province

VA

Entity Address, Postal Zip Code

22102

City Area Code

(703)

Local Phone Number

287-5800

Written Communications

false

Soliciting Material

false

Pre Commencement Tender Offer

false

Pre Commencement Issuer Tender Offer

false

Entity Emerging Growth Company

false

Common Stock [Member]

Document And Entity Information [Line Items]

Security 12b Title

Common Stock, $0.001 par value per share

Trading Symbol

GOOD

Security Exchange Name

NASDAQ

A 6.625 Series E Cumulative Redeemable Preferred Stock [Member]

Document And Entity Information [Line Items]

Security 12b Title

6.625% Series E Cumulative Redeemable Preferred Stock, par value $0.001 per share

Trading Symbol

GOODN

Security Exchange Name

NASDAQ

A 7.00 Series D Cumulative Redeemable Preferred Stock [Member]

Document And Entity Information [Line Items]

Security 12b Title

6.00% Series G Cumulative Redeemable Preferred Stock, par value $0.001 per share

Trading Symbol

GOODO

Security Exchange Name

NASDAQ

X

- Definition

Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

+ References

No definition available.

+ Details

Name:

dei_AmendmentFlag

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Area code of city

+ References

No definition available.

+ Details

Name:

dei_CityAreaCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

+ References

No definition available.

+ Details

Name:

dei_DocumentPeriodEndDate

Namespace Prefix:

dei_

Data Type:

xbrli:dateItemType

Balance Type:

na

Period Type:

duration

X

- Definition

The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.

+ References

No definition available.

+ Details

Name:

dei_DocumentType

Namespace Prefix:

dei_

Data Type:

dei:submissionTypeItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Address Line 1 such as Attn, Building Name, Street Name

+ References

No definition available.

+ Details

Name:

dei_EntityAddressAddressLine1

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Address Line 2 such as Street or Suite number

+ References

No definition available.

+ Details

Name:

dei_EntityAddressAddressLine2

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Name of the City or Town

+ References

No definition available.

+ Details

Name:

dei_EntityAddressCityOrTown

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Code for the postal or zip code

+ References

No definition available.

+ Details

Name:

dei_EntityAddressPostalZipCode

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Name of the state or province.

+ References

No definition available.

+ Details

Name:

dei_EntityAddressStateOrProvince

Namespace Prefix:

dei_

Data Type:

dei:stateOrProvinceItemType

Balance Type:

na

Period Type:

duration

X

- Definition

A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityCentralIndexKey

Namespace Prefix:

dei_

Data Type:

dei:centralIndexKeyItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Indicate if registrant meets the emerging growth company criteria.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityEmergingGrowthCompany

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.

+ References

No definition available.

+ Details

Name:

dei_EntityFileNumber

Namespace Prefix:

dei_

Data Type:

dei:fileNumberItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Two-character EDGAR code representing the state or country of incorporation.

+ References

No definition available.

+ Details

Name:

dei_EntityIncorporationStateCountryCode

Namespace Prefix:

dei_

Data Type:

dei:edgarStateCountryItemType

Balance Type:

na

Period Type:

duration

X

- Definition

The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityRegistrantName

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b-2

+ Details

Name:

dei_EntityTaxIdentificationNumber

Namespace Prefix:

dei_

Data Type:

dei:employerIdItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Local phone number for entity.

+ References

No definition available.

+ Details

Name:

dei_LocalPhoneNumber

Namespace Prefix:

dei_

Data Type:

xbrli:normalizedStringItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 13e

-Subsection 4c

+ Details

Name:

dei_PreCommencementIssuerTenderOffer

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14d

-Subsection 2b

+ Details

Name:

dei_PreCommencementTenderOffer

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Title of a 12(b) registered security.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection b

+ Details

Name:

dei_Security12bTitle

Namespace Prefix:

dei_

Data Type:

dei:securityTitleItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Name of the Exchange on which a security is registered.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 12

-Subsection d1-1

+ Details

Name:

dei_SecurityExchangeName

Namespace Prefix:

dei_

Data Type:

dei:edgarExchangeCodeItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Exchange Act

-Number 240

-Section 14a

-Subsection 12

+ Details

Name:

dei_SolicitingMaterial

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Trading symbol of an instrument as listed on an exchange.

+ References

No definition available.

+ Details

Name:

dei_TradingSymbol

Namespace Prefix:

dei_

Data Type:

dei:tradingSymbolItemType

Balance Type:

na

Period Type:

duration

X

- Definition

Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Securities Act

-Number 230

-Section 425

+ Details

Name:

dei_WrittenCommunications

Namespace Prefix:

dei_

Data Type:

xbrli:booleanItemType

Balance Type:

na

Period Type:

duration

X

- References

No definition available.

+ Details

Name:

good_DocumentAndEntityInformationLineItems

Namespace Prefix:

good_

Data Type:

xbrli:stringItemType

Balance Type:

na

Period Type:

duration

X

- Details

Name:

us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember

Namespace Prefix:

Data Type:

na

Balance Type:

Period Type:

X

- Details

Name:

us-gaap_StatementClassOfStockAxis=good_A6.625SeriesECumulativeRedeemablePreferredStockMember

Namespace Prefix:

Data Type:

na

Balance Type:

Period Type:

X

- Details

Name:

us-gaap_StatementClassOfStockAxis=good_A7.00SeriesDCumulativeRedeemablePreferredStockMember

Namespace Prefix:

Data Type:

na

Balance Type:

Period Type: