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iSpecimen Inc.

ISPC
Exchange
Nasdaq
Industry
Services-Commercial Physical & Biological Research
SEC CIK
0001558569

No open-market purchases or sales by iSpecimen Inc. insiders were filed in the last 90 days; 8 institutions reported holding it in 13F filings for Q2 2026, worth $152.0K in total; no superinvestor holds it.

Holders of 5% or more of ISPC

Holders whose latest Schedule 13D or 13G filing reports 5% or more of iSpecimen Inc., largest stake first. The change is against the holder's previous filing.

No holder currently reports owning 5% or more of iSpecimen Inc. on Schedule 13D or 13G.

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

2 Schedule 13D and 13G filings on iSpecimen Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on ISPC
Filed (ET)FilerFormStakeChangeEvent dateFiling
Feb 14, 20259:26 AM ETOBF Investments, LLCand 1 other13G/A4.40%42.3K shares–Below 5%Dec 31, 2024SEC
Jul 9, 20244:03 PM ETWolf James G.13G/A3.80%505.0K shares–Below 5%Jun 3, 2024SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell iSpecimen Inc. shares.

No Form 144 notices for iSpecimen Inc. are on file.