Companies: 10,795·Total market cap: $144.5T
A.M. Castle & Co.

A.M. Castle & Co.

CTAMOTCIndustrials
$0.05
+$0.00(+0.00%)
Market Cap$362757
P/E Ratio—
52W High$0.0501
52W Low$0.03
SEC Filings

A.M. Castle & Co. (CTAM) SEC Filings & 10-K Annual Reports

SEC EDGAR regulatory submissions (10-K, 10-Q, 8-K), latest forms, and full filing history — quick links to financials and earnings below.

SEC EDGAR · data.sec.gov · CIK 0000018172 · CTAM · OTC · as of Jun 9, 2026

Filing snapshot

1,000+
Total Filings
10-K
Latest Form
2021-03-04
Most Recent
1980
Filing Since
FinancialsEarningsView All on EDGAR

Source: SEC EDGAR (data.sec.gov) · CIK 0000018172 · Updated hourly · Not investment advice

Latest Annual Report

10-K · Annual ReportFY
Filed Date
2021-03-04
Fiscal Year End
Mar 4, 2021
Accession No.
0001558370-21-002392
Primary Document
tmb-20201231x10k.htm
View on SEC EDGARDownload PDFFiling Index
Source: data.sec.gov · CIK 0000018172 · Accession 0001558370-21-002392

Latest Key Filings

10-QQuarterly Report
10-Q
2020-11-16
View 10-Q on SEC
8-KCurrent Report
FORM 8-K
2020-12-31Material Event
View 8-K on SEC
Form 4Insider Activity
Ownership Change Disclosures

Executive & director trade disclosures. Full buy/sell sentiment analysis on the dedicated tab.

View Insider Trades Tab

SEC Filing History

Hide Form 4 / 144
10-KAnnual Report
10-K
2021-03-04
View
15-12B15-12B
15-15D
2021-01-06
View
15-12G15-12G
15-12G
2021-01-06
View
EFFECTEFFECT
EFFECT
2021-01-04
View
EFFECTEFFECT
EFFECT
2021-01-04
View
EFFECTEFFECT
EFFECT
2021-01-04
View
SC 13E3/ASC 13E3/A
SC 13E3/A
2020-12-31
View
S-8 POSS-8 POS
S-8 POS
2020-12-31
View
POS AMPOS AM
POS AM
2020-12-31
View
POS AMPOS AM
POS AM
2020-12-31
View
POS AMPOS AM
POS AM
2020-12-31
View
8-KCurrent Report
FORM 8-K
2020-12-31
View
8-KCurrent Report
FORM 8-K
2020-12-16
View
SC 13E3/ASC 13E3/A
SC 13E3/A
2020-11-16
View
10-QQuarterly Report
10-Q
2020-11-16
View
Showing 1–15 of 590 filingsForm 4 / 144 hidden· 1000 total in EDGAR

About SEC Filings & 10-K Annual Reports

Data source: SEC EDGAR (data.sec.gov)  |  Updated: Hourly  |  CIK: 0000018172  |  Exchange: OTC · Industrials

A.M. Castle & Co. (OTC: CTAM) has submitted 1,000+ documents to the U.S. Securities and Exchange Commission (SEC) since its IPO in 1980. As a Industrials sector company with CIK 0000018172, all filings are publicly accessible via the EDGAR database at no cost.

The annual 10-K report is A.M. Castle & Co.'s most comprehensive regulatory disclosure. The most recent A.M. Castle & Co. 10-K was filed on 2021-03-04 for fiscal year ending 2021. Historical CTAM 10-K annual reports are available from 2007 through 2021.

Investors researching A.M. Castle & Co. SEC filings can access 10-K annual reports, quarterly 10-Q reports, material event 8-K filings, and proxy statements directly from the links above. All documents are sourced from the official SEC EDGAR system.

Source: SEC EDGAR · data.sec.gov · SEC Form 10-K · SEC Form 10-Q · SEC Form 8-K2026-06-09
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→ CTAM Financials→ CTAM Earnings→ CTAM Insider Trades

Frequently Asked Questions

CTAM SEC Filings · 8 questions

A.M. Castle & Co. (CTAM) SEC filings are publicly available on this page and on the official SEC EDGAR database at sec.gov. You can browse all 1,000+ filings and access original documents at no cost. A.M. Castle & Co.'s CIK is 0000018172.

CTAM SEC filingsA.M. Castle & Co. SEC documentsfind CTAM 10-K