908 Devices Inc.

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Other Events

Submission of Matters to a Vote of Security Holders

Specialized Disclosure Report

General form for quarterly reports under Section 13 or 15(d)

Entry into a Material Definitive Agreement

Annual Report Scanned (Paper)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Notice of Effectiveness

Letter from the SEC

Correspondence with the SEC

Annual report pursuant to Section 13 or 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933

Results of Operations and Financial Condition

Results of Operations and Financial Condition

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Submission of Matters to a Vote of Security Holders

Specialized Disclosure Report

General form for quarterly reports under Section 13 or 15(d)

Results of Operations and Financial Condition

Annual Report Scanned (Paper)

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

Financial Statements and Exhibits

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Results of Operations and Financial Condition

Entry into a Material Definitive Agreement

General form for quarterly reports under Section 13 or 15(d)

2.02,7.01,9.01

7.01,9.01

General form for quarterly reports under Section 13 or 15(d)

2.02,9.01

9.01

5.02,9.01

Specialized Disclosure Report

General form for quarterly reports under Section 13 or 15(d)

Annual Report Scanned (Paper)

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Annual report pursuant to Section 13 or 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Annual Report Scanned (Paper)

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Annual report pursuant to Section 13 or 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Notice of Effectiveness

Letter from the SEC

Correspondence with the SEC

General form for quarterly reports under Section 13 or 15(d)

Registration statement under Securities Act of 1933

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement with Pricing Information

Notice of Effectiveness

Correspondence with the SEC

Correspondence with the SEC

Registration (IPO) statement under Securities Act of 1933

General form for quarterly reports under Section 13 or 15(d)

Letter from the SEC

Draft registration statement (confidential submission)

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Prospectus Supplement with Pricing Information

No description available

Registration of Securities on Exchange

No description available

Certification of approval for listing and registration on a national securities exchange

Notice of Effectiveness

Amended Initial Registration Statement

Amended Initial Registration Statement

Correspondence with the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

AWM Investment Company, Inc.

AWM Investment Company, Inc.

Kenneweg John

Kenneweg John

Brown Christopher D.

Griffith Joseph H. IV

Griffith Joseph H. IV

AWM Investment Company, Inc.

Knopp Kevin J.

Knopp Kevin J.

Brown Christopher D.

Knopp Kevin J.

Knopp Kevin J.

Brown Christopher D.

Brown Christopher D.

AWM Investment Company, Inc.

Vann Brandi C