Form D · Private Equity Fund

ARCLIGHT INFRASTRUCTURE PARTNERS FUND VIII-C, L.P.

Boston, MA · CIK 0001969319

Offering snapshot reported Dec 22, 2025 · SEC filing

Reported sold: $2.83B
Investors reported: 7
Minimum accepted: $0
First sale: Dec 27, 2023

Fundraising history

Reported sold

Dates are filing dates, not cash receipt dates. Decreases are reported revisions, not evidence of withdrawals. Separate offering histories are not added together.

What changed?

Latest filing versus its linked predecessor, where available.

Reported sold$1,001,000,000 → $2,828,817,000
Reported investors6 → 7

Filing history

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Filed	Filing type	Reported sold	Change vs linked filing	Investors	Source
Dec 22, 2025	Amendment	$2,828,817,000	$1,827,817,000vs Dec 20, 2024	7	SEC filing
Dec 20, 2024	Amendment	$1,001,000,000	No comparison	6	SEC filing
Dec 21, 2023	Initial	Yet to sell	No comparison	0	SEC filing

Offering details

Securities: Equity, Pooled investment fund
Exemptions: 06b, 3C, 3C.1, 3C.7
Duration over one year: Yes
Business combination: No

Sales commissions: $0 (estimated)
Finders' fees: $0 (estimated)
Form D file number: 021-500483

The Total Amount Sold is aggregated between the Issuer and its related parallel and feeder investment funds. The Total Amount Sold includes commitments from the Issuer's general partner.

Such fees, if any, will be paid upon the sale of interests to certain investors and such amount will not be finalized until the final closing of the Fund.

Sales compensation recipients

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Recipient	CRD	Associated broker-dealer
LAZARD FRERES CO. LLC	2528	LAZARD & CO., LIMITED
MAGENTA CAPITAL SERVICES LTD.	None
KB SECURITIES CO., LTD.	None
PINEGROVE CAPITAL LTD.	None

Source: Form D, filed Dec 22, 2025. Minimum accepted may differ from a standard advertised minimum.

Fund connections

The linked fund shows its most recently reported ADV details.

Matched by reported Form D file number

ARCLIGHT INFRASTRUCTURE PARTNERS FUND VIII-C, L.P.

Investment adviser: ARCLIGHT CAPITAL PARTNERS, LLC

Gross asset value: $773M
Beneficial owners: 8
ADV minimum commitment: $0

Reported in Form ADV on Jul 1, 2026. Fund assets and beneficial owners measure different things from Form D sales and investors.

Service providers

Auditor DELOITTE & TOUCHE, LLP BOSTON, Massachusetts, United States

Custodian CITIBANK, N.A. NEW YORK, New York, United States Related to adviser: No

Marketer KB SECURITIES CO., LTD. SEOUL, Korea, South Related to adviser: No

Marketer MAGENTA CAPITAL SERVICES LTD. THE VALLEY, ANGUILLA, Anguilla Related to adviser: No

Marketer PINEGROVE CAPITAL LTD. TEL AVIV-YAFO, Israel Related to adviser: No

Provider details

Annual audit: Yes
Prime brokers: No
Custodians: Yes
Administrator other than the adviser: No
External marketing: Yes

DELOITTE & TOUCHE, LLP
PCAOB 34

Filing source

Form ADV 2115681 · Jul 1, 2026 · Schedule D 7.B.(1), fund 805-8884619743

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

People & organizations

Current and past Form D appearances. These existing records do not establish a person's current role or uniquely identify them across issuers.

People and organizations reported in Form D filings
Name	Reported role
Angelo G. Acconcia	Executive
John F. Erhard	Executive
Min Kenny	Executive
Daniel R. Revers	Executive
Jeanna T. Simeone	Executive
Mark Tarini	Executive
Robert M. Trevisani	Executive

Issuer details

Industry: Pooled Investment Fund (See others in industry)

Address:

200 Clarendon Street, Floor 55
Boston, MA, 02116