ProMIS Neurosciences raises up to $175M in PIPE; extends cash runway into 2028

ProMIS Neurosciences Inc.

Upfront gross proceeds ~$75M from ~6.8M common shares and 100K pre-funded warrants; up to ~$100M more from warrant exercise.
Pricing: common shares at $10.77 (most) and $12.13 for insiders; warrants exercisable at $14.40.
Warrants expire 60 days after PMN310 SAD topline data announcement or Feb 3, 2031.
Proceeds to fund Phase 1b Alzheimer's study and subcutaneous PMN310 development; blinded 6-month data expected mid-2026.
Co-led by Janus Henderson and Ally Bridge Group; CEO and board also participated.

Key facts

Extracted from this filing and checked against the source text.

Equity Issuances SEC 8-K Item 3.02/3.03 confidence 0.9

ProMIS Neurosciences Inc. issued Common Share purchase warrants (the “ Common Share Warrants ”) to purchase 6,915,296 Common Shares of warrant to PIPE Investors (accredited investors) for the Common Share Warrants have an exercise price of $14.40, are exercisable immediately and will expire ... up to an additional approximately $100 million in gr.

Security: warrant
Shares: Common Share purchase warrants (the “ Common Share Warrants ”) to purchase 6,915,296 Common Shares
Purchaser: PIPE Investors (accredited investors)
Consideration: the Common Share Warrants have an exercise price of $14.40, are exercisable immediately and will expire ... up to an additional approximately $100 million in gr

Exact text from the filing

and 725,221 Common Shares were sold at a price of $12.13 per Common Share to certain affiliates and insiders of the Company. The Common Share Warrants have an exercise price of $14.40, are exercisable immediately and will expire upon the earlier of (i) within 60 days of the Milestone Event (as defined below) or (ii) February 3, 2031. The Pre-Funded Warrants

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Equity Issuances SEC 8-K Item 3.02/3.03 confidence 0.9

ProMIS Neurosciences Inc. issued Pre-Funded Warrants (the “ Pre-Funded Warrants ”) to purchase 100,000 Common Shares of warrant to PIPE Investors (accredited investors) for the Pre-Funded Warrants have an exercise price of $14.40 per Warrant Share, are immediately exercisable and will expire when exercised in full.

Security: warrant
Shares: Pre-Funded Warrants (the “ Pre-Funded Warrants ”) to purchase 100,000 Common Shares
Purchaser: PIPE Investors (accredited investors)
Consideration: the Pre-Funded Warrants have an exercise price of $14.40 per Warrant Share, are immediately exercisable and will expire when exercised in full

Exact text from the filing

and 725,221 Common Shares were sold at a price of $12.13 per Common Share to certain affiliates and insiders of the Company. The Common Share Warrants have an exercise price of $14.40, are exercisable immediately and will expire upon the earlier of (i) within 60 days of the Milestone Event (as defined below) or (ii) February 3, 2031. The Pre-Funded Warrants

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Equity Issuances SEC 8-K Item 3.02/3.03 confidence 0.9

ProMIS Neurosciences Inc. issued 6,090,075 Common Shares were sold at a price of $10.77 per Common Share, 100,000 Pre-Funded Warrants were sold at a price of $10.77 less an exercise price $0.00 of common stock to PIPE Investors (accredited investors) for $75 million in aggregate gross proceeds.

Security: common stock
Shares: 6,090,075 Common Shares were sold at a price of $10.77 per Common Share, 100,000 Pre-Funded Warrants were sold at a price of $10.77 less an exercise price $0.00
Purchaser: PIPE Investors (accredited investors)
Consideration: $75 million in aggregate gross proceeds

Exact text from the filing

On January 29, 2026, ProMIS Neurosciences Inc. (the “ Company ”) entered into a Securities Purchase Agreement (the “ Securities Purchase Agreement ”) with selected investors that qualify as “accredited investors” (the “ PIPE Investors ”), as defined in Rule 501(a) of Regulation D promulgated under the United States Securities Act of 1933, as amended (the “ Securities Act ”), for the purpose of raising approximately $75 million in aggregate gross proceeds for the Company (the “ Offering ”) before deducting placement agent fees and other expenses payable by the Company.

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Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.9

ProMIS Neurosciences Inc. entered into Registration Rights Agreement with each of the PIPE Investors.

Action: entry
Agreement: equity purchase
Counterparty: each of the PIPE Investors

Exact text from the filing

In connection with the Securities Purchase Agreement, the Company entered into a Registration Rights Agreement with each of the PIPE Investors (the “ Registration Rights Agreement ”), pursuant to which the Company is required to prepare and file a registration statement (the “ Registration Statement ”) with the Securities and Exchange Commission (the “ SEC ”) under the Securities Act, covering the resale of the Common Shares issued to the PIPE Investors under the Securities Purchase Agreement, together with the Warrant Shares.

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Material Agreements SEC 8-K Item 1.01/1.02 confidence 0.9

ProMIS Neurosciences Inc. entered into Securities Purchase Agreement with selected investors that qualify as "accredited investors" valued at approximately $75 million (effective 2026-01-29).

Action: entry
Agreement: equity purchase
Counterparty: selected investors that qualify as "accredited investors"
Value: approximately $75 million
Effective: 2026-01-29

Exact text from the filing

On January 29, 2026, ProMIS Neurosciences Inc. (the “ Company ”) entered into a Securities Purchase Agreement (the “ Securities Purchase Agreement ”) with selected investors that qualify as “accredited investors” (the “ PIPE Investors ”), as defined in Rule 501(a) of Regulation D promulgated under the United States Securities Act of 1933, as amended (the “ Securities Act ”), for the purpose of raising approximately $75 million in aggregate gross proceeds for the Company (the “ Offering ”) before deducting placement agent fees and other expenses payable by the Company.

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ProMIS Neurosciences Inc. filing history →

Source: SEC EDGAR

accession 0001104659-26-008325

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