Northrop Grumman Corporation (NOC) SEC Filings

Browse all Northrop Grumman Corporation SEC filings, including Annual reports (10-K), Quarterly reports (10-Q), 8-K, proxy statements (DEF 14A), and insider filings (Form 4). Access official documents by filing date, reporting period, and form type. ...more

Northrop Grumman Corporation Reports: Annual 10-K, Quarterly 10-Q & SEC Filings

SEC Filings

Date

10-Q

Quarterly financial results and management updates

Jul 21, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

Jul 21, 2026

4

Insider ownership (buying, selling) activity

Jul 1, 2026

4

Insider ownership (buying, selling) activity

Jul 1, 2026

11-K/A

Other SEC filing

Jun 11, 2026

11-K

Annual performance report of employee stock plans

Jun 11, 2026

11-K

Annual performance report of employee stock plans

Jun 11, 2026

11-K/A

Other SEC filing

Jun 11, 2026

SD

Specialized disclosure report (e.g., conflict minerals)

May 28, 2026

4

Insider ownership (buying, selling) activity

May 21, 2026

4

Insider ownership (buying, selling) activity

May 21, 2026

4

Insider ownership (buying, selling) activity

May 21, 2026

4

Insider ownership (buying, selling) activity

May 21, 2026

4

Insider ownership (buying, selling) activity

May 21, 2026

4

Insider ownership (buying, selling) activity

May 21, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

May 21, 2026

4

Insider ownership (buying, selling) activity

May 21, 2026

4

Insider ownership (buying, selling) activity

May 21, 2026

4

Insider ownership (buying, selling) activity

May 21, 2026

4

Insider ownership (buying, selling) activity

May 21, 2026

SC 13G/A

Updated passive ownership disclosure

May 14, 2026

DEFA14A

Additional or supplemental proxy disclosures

May 13, 2026

4

Insider ownership (buying, selling) activity

May 5, 2026

SC 13G

Passive large shareholder ownership disclosure

Apr 30, 2026

10-Q

Quarterly financial results and management updates

Apr 21, 2026

S-3ASR

Automatic shelf registration for eligible issuers

Apr 21, 2026

8-K

Material company events (earnings, M&A, or leadership changes)

Apr 21, 2026

ARS

Annual Report to Shareholders

Apr 3, 2026

DEF 14A

Final shareholder voting details (board elections and executive pay)

Apr 3, 2026

4

Insider ownership (buying, selling) activity

Apr 2, 2026

4

Insider ownership (buying, selling) activity

Apr 2, 2026

SC 13G/A

Updated passive ownership disclosure

Mar 27, 2026

4

Insider ownership (buying, selling) activity

Mar 3, 2026

4

Insider ownership (buying, selling) activity

Mar 2, 2026

4

Insider ownership (buying, selling) activity

Feb 20, 2026

4

Insider ownership (buying, selling) activity

Feb 20, 2026

4

Insider ownership (buying, selling) activity

Feb 20, 2026

4

Insider ownership (buying, selling) activity

Feb 19, 2026

4

Insider ownership (buying, selling) activity

Feb 19, 2026

3

Initial disclosure of insider ownership

Feb 19, 2026

Northrop Grumman Corporation Quarterly Report (10-Q) 2026

Quarterly Reports / Quarterly financial results and management updates

Jul 21, 2026

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