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ATER SEC Filing News — Aterian, Inc.

Latest SEC filings for Aterian, Inc. (ATER) explained in plain English: insider buying and selling (Form 4), proposed insider sales (Form 144), material company events (8-K), and quarterly & annual reports (10-Q / 10-K). Sourced directly from SEC EDGAR.

What you’re looking at: Each item below is parsed from an actual SEC filing. 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.
Form 8-K Material Company Update 2026-03-23

ATER filed 8-K — material company event

Aterian, Inc. filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
Form 10-K Annual Report 2026-03-23

ATER filed Annual Report (10-K)

Aterian, Inc. filed its annual report with the SEC. This report includes audited financial statements, business overview, risk factors, and management discussion.

Filing: 10-K (Annual Report)
Form 8-K Material Company Update 2026-03-17

ATER filed 8-K — material company event

Aterian, Inc. filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
Form 4 Tax / Compensation Filing 2026-01-23

ATER insider Form 4 filed for equity award, exercise, or tax withholding

KURTZ WILLIAM (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: KURTZ WILLIAM (Director) Shares: 40,394
Form 4 Tax / Compensation Filing 2026-01-23

ATER insider Form 4 filed for equity award, exercise, or tax withholding

Feldman Joshua O (Chief Financial Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Feldman Joshua O (Chief Financial Officer) Shares: 120,000
Form 4 Tax / Compensation Filing 2026-01-23

ATER insider Form 4 filed for equity award, exercise, or tax withholding

Rodriguez Arturo (Director, Chief Executive Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Rodriguez Arturo (Director, Chief Executive Officer) Shares: 50,000
Form 4 Tax / Compensation Filing 2026-01-23

ATER insider Form 4 filed for equity award, exercise, or tax withholding

Lattmann Susan E. (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Lattmann Susan E. (Director) Shares: 25,555
Form 4 Tax / Compensation Filing 2026-01-23

ATER insider Form 4 filed for equity award, exercise, or tax withholding

Harlam Bari A (Director) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.

Filing: Form 4 (Insider Transaction) Insider: Harlam Bari A (Director) Shares: 24,731
Form 8-K Material Company Update 2025-12-12

ATER filed 8-K — material company event

Aterian, Inc. filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
Form 8-K Material Company Update 2025-12-08

ATER filed 8-K — material company event

Aterian, Inc. filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
Form 8-K/A Amended Material Company Update 2025-11-13

ATER filed amended 8-K — material company event

Aterian, Inc. filed an amended 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K/A (Material Event Amendment)
Form 10-Q Quarterly Report 2025-11-13

ATER filed Quarterly Report (10-Q)

Aterian, Inc. filed its quarterly report with the SEC. This report includes unaudited financial statements and management discussion for the quarter.

Filing: 10-Q (Quarterly Report)
Form 8-K Material Company Update 2025-11-13

ATER filed 8-K — material company event

Aterian, Inc. filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
Form 8-K Leadership Change 2025-10-31

ATER filed 8-K — Departure / Election of Directors or Officers

Aterian, Inc. filed an 8-K with the SEC. Item 5.02: Departure / Election of Directors or Officers. Filing excerpt: 8-K 1 ater20251031_8k.htm FORM 8-K ater20251031_8k.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): October 30, 2025 Aterian, Inc. (Exact Name of Registrant as Specified in its Charter) Delaware 001-38937 83-1739858 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identification No.) Aterian, Inc. 350…

Filing: 8-K (Material Event) Item 5.02: Departure / Election of Directors or Officers
Form 8-K Material Company Update 2025-08-29

ATER filed 8-K — material company event

Aterian, Inc. filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer

Filing: 8-K (Material Event)
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