SEPTInvestingStart Free

AKTX SCHEDULE 13G/A: SEC filing

Bank of Montreal

Filed with the SEC on · accession 0000927971-26-000112

AKTX filed a SCHEDULE 13G/A (schedule 13g/a) with the SEC on Nov 12, 2026. Bank of Montreal filed an amended Schedule 13G/A reporting beneficial ownership of 1,095,200,000 ordinary shares of Akari Therapeutics Plc, representing 0.78% of the class, held in the ordinary course of business as a prime broker. The stock moved -12.6% by the first close after the filing.

Summary of the filing

Bank of Montreal filed an amended Schedule 13G/A reporting beneficial ownership of 1,095,200,000 ordinary shares of Akari Therapeutics Plc, representing 0.78% of the class, held in the ordinary course of business as a prime broker. The filing is a passive institutional ownership disclosure with no intent to influence control.

For details, click here →

Key details

Ordinary shares beneficially owned$1.1B
Percentage of class beneficially owned$1
Reporting person / beneficial ownerBank of Montreal
Reporting person / parent holding companyBank of Montreal Holding Inc.
Reporting person / broker-dealerBMO Nesbitt Burns Inc.
IssuerAkari Therapeutics Plc
Managing director - regulatory solutions groupKathryn Cenac

How AKTX stock reacted

Close before

$7.45

Nov 11, 2026

First close after

-12.62%

$6.51

5 trading days

—

Since filing

—

✦ Ask GOAX AI about this filing — what it means for AKTX, what changed since its last filings and what to watch next.

Try it free for 7 days

🔔 Want to stay updated on new SEC filings for AKTX?

Click here

Frequently asked questions

What did AKTX file with the SEC on Nov 12, 2026?

AKTX filed a SCHEDULE 13G/A (SEC filing). Bank of Montreal filed an amended Schedule 13G/A reporting beneficial ownership of 1,095,200,000 ordinary shares of Akari Therapeutics Plc, representing 0.78% of the class, held in the ordinary course of business as a prime broker. The filing is a passive institutional ownership disclosure with no intent to influence control.

How do I read a SCHEDULE 13G/A?

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/A (schedule 13g/a): A report the company filed with the SEC (the US market regulator).

How did AKTX stock react to this filing?

AKTX closed at $7.45 before the filing and $6.51 on Nov 12, 2026 (-12.62%).

Other AKTX SEC filings

Get alerts when AKTX files with the SEC, plus live charts, key levels and news for 13,000+ stocks.

Try SEPT free for 7 days
AKTX overviewAKTX analysisAKTX newsLatest SEC filings