ASTL SEC Filing News — Algoma Steel Group Inc.

Latest SEC filings for Algoma Steel Group Inc. (ASTL) explained in plain English. Covers insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). StrongBuyAnalytics provides navigation and brief excerpts or summaries; original filings remain at the SEC/source links and were authored by their filers, not StrongBuyAnalytics. Filing dates shown are source dates. Coverage and detection can be delayed or incomplete because of SEC availability, amendments, parsing, caching, or outages. Latest source filing date shown: 2024-09-16.

Algoma Steel Group Inc. produces and sells steel products in Canada, the United States, and internationally. The company offers flat/sheet steel products, including temper rolling, cold rolled, hot-rolled pickled and oiled products, floor plate, and cut-to-length products for the automotive industry, hollow structural tube product manufacturers, and the light manufacturing and transportation industries; and plate steel products consisting of rolled, hot-rolled, and heat-treated for use in the co…
Sector: Basic Materials Industry: Steel Market Cap: $425.8M CIK: 1860805
3
Total Filings
0
Bullish Classifications
0
Bearish Classifications
0
Insider Transactions
0
Material Events (8-K)
0
Periodic Reports
What you're looking at: Each item below is parsed from an actual SEC filing submitted by Algoma Steel Group Inc.. Form 4 = confirmed insider transaction · Form 144 = proposed sale notice · 8-K = material event (earnings, M&A, leadership change, etc.) · 10-Q / 10-K = quarterly / annual report.
ASTL Filing Activity Snapshot 2023-11-13 — 2024-09-16
Largest Form 144 Filing
$2.14M
Sgro David · 2023-12-19
230,000 shares · Form 144
Form 144 Notices
3
Proposed insider sales filed — Form 144 is a notice of intent, not a confirmed transaction. Actual sales are confirmed via Form 4.
Proposed Insider Sales 3 · Form 144

A Form 144 is a notice of intent to sell restricted or control securities. It is not a record that anything was sold. Algoma Steel Group Inc. has 3 such notices in this period.

The distinction matters because a Form 144 is frequently reported as though it were a completed insider sale. The filer may sell all of the shares covered, some of them, or none at all, and there is no obligation to update the notice either way. A sale that is actually executed by an officer or director shows up separately on a Form 4, which is the filing to check before treating a proposed sale as a real one.

Form 144 Proposed Insider Sale 2024-09-16

ASTL Form 144 filed for proposed insider sale by Sgro David (200,000 shares) ~$2.04M

Sgro David filed a Form 144 with the SEC indicating intent to sell ASTL (Algoma Steel Group Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Sgro David Shares: 200,000 Est. Value: $2.04M
Form 144 Proposed Insider Sale 2023-12-19

ASTL Form 144 filed for proposed insider sale by Sgro David (230,000 shares) ~$2.14M

Sgro David filed a Form 144 with the SEC indicating intent to sell ASTL (Algoma Steel Group Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Sgro David Shares: 230,000 Est. Value: $2.14M
Form 144 Proposed Insider Sale 2023-11-13

ASTL Form 144 filed for proposed insider sale by Sgro David (275,000 shares) ~$1.98M

Sgro David filed a Form 144 with the SEC indicating intent to sell ASTL (Algoma Steel Group Inc.) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.

Filing: Form 144 (Proposed Sale Notice) Insider: Sgro David Shares: 275,000 Est. Value: $1.98M

How we classify Algoma Steel Group Inc.'s filings

Straight from EDGAR

Each displayed record links to an original source document. StrongBuyAnalytics provides navigation and brief excerpts or summaries, not the filing itself. Parsing may omit context or contain errors, so read the original document in full.

Transaction codes, not guesswork

The nature shown on each insider filing comes from the transaction code the filer entered on the form itself — P for an open-market purchase, A for a compensation award, F for shares withheld to pay tax, M for an option exercise. Where one filing contains several codes, the transaction table lists them line by line.

Why the distinction matters

Insider activity is routinely summarised as buying or selling, which flattens together decisions that mean very different things. Shares withheld for tax on a vesting grant are an automatic administrative step; shares bought on the open market are someone committing their own money at the current price.

What this page does not tell you

A filing records what happened, not why. Form 4 does not always disclose whether a sale was executed under a pre-arranged Rule 10b5-1 plan, and no single filing is a basis for a decision on ASTL. Read these alongside the fundamentals rather than in isolation.

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Publisher, sources & limitations — September 15, 2026. StrongBuyAnalytics provides navigation and brief excerpts or summaries for educational use. Original filings remain at SEC EDGAR or other displayed source links; StrongBuyAnalytics does not author them. Filing dates are source dates, not publication dates for this page. Coverage can be delayed, incomplete, amended, or unavailable because of SEC/source availability, parsing, caching, or outages. Verify every material statement in the original filing.
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