ISPC

iSpecimen Inc.

Services-Commercial Physical & Biological ResearchNasdaq<br>Emerging growth company

Total Trades

2

Buys

2

Sells

0

Largest Trade

$1K–$15K

Insiders

2

Institutional Funds

7

Inst. Value

$15K–$50K

Activist Filings

10

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Bielak BenjaminChief Info Officer…BUY$1K–$15K18K$0.72Sep 15, 2023
Curley TracyCEOBUY$1K–$15K4K$1.25Jun 1, 2023
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Institutional Ownership

13F filings as of Dec 31, 2025 · 7 funds holding

FundShares
GEODE CAPITAL MANAGEMENT, LLC40K
VANGUARD GROUP INC28K
UBS Group AG6K
BlackRock, Inc.3K
JANE STREET GROUP, LLC6
SBI Securities Co., Ltd.4
Sachetta, LLC2

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

OBF Investments, LLC

SC 13G/A · Feb 14, 2025

4.4%

42K shares

James G. Wolf

SC 13G/A · Jul 9, 2024

3.8%

505K shares

OBF Investments, LLC

SC 13G/A · Feb 13, 2024

9.3%

842K shares

Andrew L. Ross ​

SC 13D · Apr 17, 2023

14.8%

1.3M shares

OBF Investments, LLC

SC 13G/A · Feb 13, 2023

9.4%

842K shares

Empery Asset Management, LP

SC 13G/A · Jan 12, 2023

4.7%

438K shares

JAMES G. WOLF

SC 13G/A · Dec 27, 2022

9.0%

791K shares

JAMES G. WOLF

SC 13G · Sep 28, 2022

6.1%

544K shares

OBF Investments, LLC

SC 13G · Feb 14, 2022

9.6%

842K shares

Empery Asset Management, LP

SC 13G · Jan 24, 2022

5.3%

466K shares

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