SEPTInvestingStart Free

HYFM S-1: Shelf registration

Hydrofarm Holdings Group

Filed with the SEC on · accession 0001437749-26-036233

HYFM filed a S-1 (registration (ipo / new shares)) with the SEC on Nov 10, 2026. Registers new shares for sale, often for an IPO. The stock moved -6.4% by the first close after the filing.

Summary of the filing

Hydrofarm Holdings Group filed a Form S-1 registration statement to register up to 17,559,428 shares of common stock for resale by selling stockholders, including shares issuable upon exercise of pre-funded and common warrants issued in a private placement consummated on October 27, 2026.

For details, click here →How to read a S-1 →

Key details

Total shares of common stock registered for resale by selling stockholders$17.6M
Shares of common stock registered for resale$7.0M
Shares issuable upon exercise of pre-funded warrants at $0.0001 per share$640K
Shares issuable upon exercise of warrants at $0.78 per share$9.9M
Last reported sale price of common stock on November 9, 2026$1
RegistrantHydrofarm Holdings Group, Inc.
Chief financial officerKevin O'Brien

How HYFM stock reacted

Close before

$0.77

Nov 9, 2026

First close after

-6.36%

$0.72

5 trading days

—

Since filing

—

✦ Ask GOAX AI about this filing — what it means for HYFM, 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 HYFM?

Click here

Frequently asked questions

What did HYFM file with the SEC on Nov 10, 2026?

HYFM filed a S-1 (Shelf registration). Hydrofarm Holdings Group filed a Form S-1 registration statement to register up to 17,559,428 shares of common stock for resale by selling stockholders, including shares issuable upon exercise of pre-funded and common warrants issued in a private placement consummated on October 27, 2026.

What does a shelf registration mean for HYFM stock?

New shares dilute existing holders and are often sold at a discount to the market price.

How do I read a S-1?

Registers new shares for sale, often for an IPO. Read "Use of proceeds": what the money is for. Check how many new shares there are versus shares outstanding (dilution).

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 S-1 (registration (ipo / new shares)): Registers new shares for sale, often for an IPO.

How did HYFM stock react to this filing?

HYFM closed at $0.77 before the filing and $0.72 on Nov 10, 2026 (-6.36%).

Other HYFM SEC filings

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

Try SEPT free for 7 days
HYFM overviewHYFM analysisHYFM newsLatest SEC filings