Proof Side IV, LP is a venture capital fund based in Arlington, Virginia. According to its most recent Form D, filed May 28, 2026, it has sold $637,755 of interests to 4 investors since its first sale in Jun 2025. The filing does not set a minimum investment. It relies on the Section 3(c)(1) exclusion, which limits it to 100 beneficial owners, typically accredited investors. The offering uses Rule 506(b), which does not permit general solicitation. Based on its first sale date and the amount raised, AltMountain classifies it as an emerging manager. Related persons named in the filing include Thanasis Delistathis; none PROOF GP IV, LLC; none PROOF MANAGEMENT, LLC.
- Total raised
- $637,755Cumulative sales reported on Form D
- Investors
- 4
- First sale
- Jun 19, 2025
- Minimum investment
- None set
- Who can invest
- Accredited investorsSection 3(c)(1): up to 100 beneficial owners
- Offering exemption
- Rule 506(b)No general advertising
- Key people and entities
- Thanasis Delistathis; none PROOF GP IV, LLC; none PROOF MANAGEMENT, LLC
- Latest Form D
- May 28, 2026
From SEC filings, not verified. This page republishes the fund's Form D as filed. It is not an offer, solicitation or recommendation, and AltMountain has not reviewed the fund. “Raised” is cumulative sales, not current assets or performance. Returns are not part of SEC filings. Private funds are speculative, illiquid and generally limited to accredited investors or qualified purchasers. Full disclosures · Request a correction
Questions about Proof Side IV, LP
What is the minimum investment for Proof Side IV, LP?
Proof Side IV, LP's latest Form D, filed May 28, 2026, does not set a minimum investment. Managers can still require one in the offering documents.
Who can invest in Proof Side IV, LP?
Proof Side IV, LP is generally open only to accredited investors, and it may have no more than 100 beneficial owners because it relies on Section 3(c)(1). It uses Rule 506(b), which does not allow general advertising.
How much has Proof Side IV, LP raised?
Proof Side IV, LP reports $637,755 sold from 4 investors on its Form D filed May 28, 2026. This is cumulative sales since the offering began, not current assets or performance.
Where is Proof Side IV, LP based?
Proof Side IV, LP is based in Arlington, Virginia.
When did Proof Side IV, LP launch?
Proof Side IV, LP reports its first sale in Jun 2025, which makes it an emerging manager by AltMountain's definition (first sale in 2021 or later and under $50 million raised).
Size compared with every venture capital fund
Raised more than 39% of the 142 venture capital funds based in Virginia, and more than 54% of all 15,180 that report sales.