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PRME SCHEDULE 13G: SEC filing

ARK Investment Management LLC and Catherine D. Wood

Filed with the SEC on · accession 0001104659-26-126830

PRME filed a SCHEDULE 13G (schedule 13g) with the SEC on Nov 13, 2026. ARK Investment Management LLC and Catherine D. The stock moved +9.8% by the first close after the filing.

Summary of the filing

ARK Investment Management LLC and Catherine D. Wood filed a Schedule 13G disclosing beneficial ownership of 10,043,508 shares, or 5.54%, of Prime Medicine, Inc. common stock as of September 30, 2026. The filing is a passive investment disclosure under Rule 13d-1(b).

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Key details

Shares beneficially owned by ARK Investment Management LLC$10.0M
Percent of class beneficially ownedPCT 6
Reporting person / beneficial ownerARK Investment Management LLC
IssuerPrime Medicine, Inc.
Chief executive officer, chief investment officer of ark investment management llcCatherine D. Wood
Chief compliance officer of ark investment management llcKathleen Fontano

How PRME stock reacted

Close before

$3.89

Nov 12, 2026

First close after

+9.77%

$4.27

5 trading days

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Since filing

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Frequently asked questions

What did PRME file with the SEC on Nov 13, 2026?

PRME filed a SCHEDULE 13G (SEC filing). ARK Investment Management LLC and Catherine D. Wood filed a Schedule 13G disclosing beneficial ownership of 10,043,508 shares, or 5.54%, of Prime Medicine, Inc. common stock as of September 30, 2026. The filing is a passive investment disclosure under Rule 13d-1(b).

How do I read a SCHEDULE 13G?

A report the company filed with the SEC (the US market regulator). Start with the summary, then the key amounts and names. Compare it with the company’s earlier filings.

Why are SEC filings important?

Public companies must tell the SEC about anything that can change their value — results, leadership changes, big deals, new shares, bankruptcy. Filings are the official source, often before the news. A SCHEDULE 13G (schedule 13g): A report the company filed with the SEC (the US market regulator).

How did PRME stock react to this filing?

PRME closed at $3.89 before the filing and $4.27 on Nov 13, 2026 (+9.77%).

Other PRME SEC filings

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