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person · Reporting owner

Griffith Joseph H. IV

Disclosed activity across 1 company

Tapewire entity
19067
SEC CIK
0001431531

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Reported relationships

Latest disclosed role at each company.

CompanyLast reported asReport datePublished
908 Devices Inc.MASS · Entity 5564Chief Financial OfficerOctober 06, 2026October 08, 2026

Disclosed balances

About these balances

Latest available filing per company, not a reconstructed current portfolio. Matching sequences show the last reported balance with all source rows expandable; grouping alone does not establish account ownership. Do not add unresolved positions together. Filings may omit unchanged positions, and amendments may correct only part of an older disclosure. Jointly reported shares are not necessarily this owner's personal holdings.

908 Devices Inc.

Report date October 06, 2026 · Filed October 08, 2026

Security / awardOwnership accountDisclosed shares / unitsDisclosure context
Common StockSEC Table I · non-derivativeDirect116,497 Reported balance After 2026-10-06 transaction · row 1
1 source row

Row 1 · 2026-10-06 · Sale · Disposed 5,000 · Balance 116,497

F1: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 26, 2026.

Filing footnotes · ownership attribution and instrument terms

F1: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 26, 2026.

Transaction history

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateCompanyActivity / securityShares / unitsReported priceReported valueDetails
August 04, 2022 Filed Aug 5, 2022 20:18 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionStock Option (option to buy) · Derivative 12,733 $0.00 Strike: $0.96 $0.00
Disclosure

SEC source: 0001562180-22-005922 · primarydocument.xml · derivative · entry 6

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.001 · 12,733 shares

Expires 2026-12-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The shares underlying the option are fully vested and immediately exercisable.

Read SEC document
August 04, 2022 Filed Aug 5, 2022 20:18 UTC 908 Devices Inc. MASS · Entity 5564 SaleCommon Stock, par value $0.001 12,733 $24.39 $310,557.87
Disclosure

SEC source: 0001562180-22-005922 · primarydocument.xml · nonDerivative · entry 4

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,580

F1 · kind: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.25 to $24.58, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
August 04, 2022 Filed Aug 5, 2022 20:18 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionCommon Stock, par value $0.001 12,733 $0.96 $12,223.68
Disclosure

SEC source: 0001562180-22-005922 · primarydocument.xml · nonDerivative · entry 3

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,313

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
August 03, 2022 Filed Aug 5, 2022 20:18 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionStock Option (option to buy) · Derivative 600 $0.00 Strike: $0.96 $0.00
Disclosure

SEC source: 0001562180-22-005922 · primarydocument.xml · derivative · entry 5

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,733

Underlying: Common Stock, par value $0.001 · 13,333 shares

Expires 2026-12-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The shares underlying the option are fully vested and immediately exercisable.

Read SEC document
August 03, 2022 Filed Aug 5, 2022 20:18 UTC 908 Devices Inc. MASS · Entity 5564 SaleCommon Stock, par value $0.001 600 $24.29 $14,574.00
Disclosure

SEC source: 0001562180-22-005922 · primarydocument.xml · nonDerivative · entry 2

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,580

F1 · kind: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $24.26 to $24.33, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
August 03, 2022 Filed Aug 5, 2022 20:18 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionCommon Stock, par value $0.001 600 $0.96 $576.00
Disclosure

SEC source: 0001562180-22-005922 · primarydocument.xml · nonDerivative · entry 1

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,180

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
June 27, 2022 Filed Jun 27, 2022 21:00 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionStock Option (option to buy) · Derivative 5,059 $0.00 Strike: $0.96 $0.00
Disclosure

SEC source: 0001562180-22-005372 · primarydocument.xml · derivative · entry 6

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,333

Underlying: Common Stock, par value $0.001 · 18,392 shares

Expires 2026-12-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The shares underlying the option are fully vested and immediately exercisable.

Read SEC document
June 27, 2022 Filed Jun 27, 2022 21:00 UTC 908 Devices Inc. MASS · Entity 5564 SaleCommon Stock, par value $0.001 5,059 $19.08 $96,525.72
Disclosure

SEC source: 0001562180-22-005372 · primarydocument.xml · nonDerivative · entry 4

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,580

F1 · kind: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

Read SEC document
June 27, 2022 Filed Jun 27, 2022 21:00 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionCommon Stock, par value $0.001 5,059 $0.96 $4,856.64
Disclosure

SEC source: 0001562180-22-005372 · primarydocument.xml · nonDerivative · entry 3

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 96,639

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
June 24, 2022 Filed Jun 27, 2022 21:00 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionStock Option (option to buy) · Derivative 13,129 $0.00 Strike: $0.96 $0.00
Disclosure

SEC source: 0001562180-22-005372 · primarydocument.xml · derivative · entry 5

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,392

Underlying: Common Stock, par value $0.001 · 31,521 shares

Expires 2026-12-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The shares underlying the option are fully vested and immediately exercisable.

Read SEC document
June 24, 2022 Filed Jun 27, 2022 21:00 UTC 908 Devices Inc. MASS · Entity 5564 SaleCommon Stock, par value $0.001 13,129 $19.13 $251,157.77
Disclosure

SEC source: 0001562180-22-005372 · primarydocument.xml · nonDerivative · entry 2

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,580

F1 · kind: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.08 to $19.41, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
June 24, 2022 Filed Jun 27, 2022 21:00 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionCommon Stock, par value $0.001 13,129 $0.96 $12,603.84
Disclosure

SEC source: 0001562180-22-005372 · primarydocument.xml · nonDerivative · entry 1

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,709

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
June 21, 2022 Filed Jun 22, 2022 20:08 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionStock Option (option to buy) · Derivative 8,100 $0.00 Strike: $0.96 $0.00
Disclosure

SEC source: 0001562180-22-005294 · primarydocument.xml · derivative · entry 6

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,521

Underlying: Common Stock, par value $0.001 · 39,621 shares

Expires 2026-12-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The shares underlying the option are fully vested and immediately exercisable.

Read SEC document
June 21, 2022 Filed Jun 22, 2022 20:08 UTC 908 Devices Inc. MASS · Entity 5564 SaleCommon Stock, par value $0.001 8,100 $15.06 $121,986.00
Disclosure

SEC source: 0001562180-22-005294 · primarydocument.xml · nonDerivative · entry 4

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,580

F1 · kind: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.00 to $15.15, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
June 21, 2022 Filed Jun 22, 2022 20:08 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionCommon Stock, par value $0.001 8,100 $0.96 $7,776.00
Disclosure

SEC source: 0001562180-22-005294 · primarydocument.xml · nonDerivative · entry 3

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,680

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
June 17, 2022 Filed Jun 22, 2022 20:08 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionStock Option (option to buy) · Derivative 900 $0.00 Strike: $0.96 $0.00
Disclosure

SEC source: 0001562180-22-005294 · primarydocument.xml · derivative · entry 5

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,621

Underlying: Common Stock, par value $0.001 · 40,521 shares

Expires 2026-12-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F4 · derivative.exercise_date: The shares underlying the option are fully vested and immediately exercisable.

Read SEC document
June 17, 2022 Filed Jun 22, 2022 20:08 UTC 908 Devices Inc. MASS · Entity 5564 SaleCommon Stock, par value $0.001 900 $15.01 $13,509.00
Disclosure

SEC source: 0001562180-22-005294 · primarydocument.xml · nonDerivative · entry 2

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,580

F1 · kind: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.00 to $15.05, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
June 17, 2022 Filed Jun 22, 2022 20:08 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionCommon Stock, par value $0.001 900 $0.96 $864.00
Disclosure

SEC source: 0001562180-22-005294 · primarydocument.xml · nonDerivative · entry 1

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,480

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
June 15, 2022 Filed Jun 17, 2022 20:13 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionStock Option (option to buy) · Derivative 1,000 $0.00 Strike: $0.96 $0.00
Disclosure

SEC source: 0001562180-22-005190 · primarydocument.xml · derivative · entry 3

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,521

Underlying: Common Stock, par value $0.001 · 41,521 shares

Expires 2026-12-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The shares underlying the option are fully vested and immediately exercisable.

Read SEC document
June 15, 2022 Filed Jun 17, 2022 20:13 UTC 908 Devices Inc. MASS · Entity 5564 SaleCommon Stock, par value $0.001 1,000 $15.02 $15,020.00
Disclosure

SEC source: 0001562180-22-005190 · primarydocument.xml · nonDerivative · entry 2

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,580

F1 · kind: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.00 to $15.06, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
June 15, 2022 Filed Jun 17, 2022 20:13 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionCommon Stock, par value $0.001 1,000 $0.96 $960.00
Disclosure

SEC source: 0001562180-22-005190 · primarydocument.xml · nonDerivative · entry 1

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,580

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
June 13, 2022 Filed Jun 15, 2022 20:20 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionStock Option (option to buy) · Derivative 13,334 $0.00 Strike: $0.96 $0.00
Disclosure

SEC source: 0001562180-22-005119 · primarydocument.xml · derivative · entry 3

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,521

Underlying: Common Stock, par value $0.001 · 54,855 shares

Expires 2026-12-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · derivative.exercise_date: The shares underlying the option are fully vested and immediately exercisable.

Read SEC document
June 13, 2022 Filed Jun 15, 2022 20:20 UTC 908 Devices Inc. MASS · Entity 5564 SaleCommon Stock, par value $0.001 13,334 $13.54 $180,542.36
Disclosure

SEC source: 0001562180-22-005119 · primarydocument.xml · nonDerivative · entry 2

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,580

F1 · kind: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $13.38 to $13.82, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
June 13, 2022 Filed Jun 15, 2022 20:20 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionCommon Stock, par value $0.001 13,334 $0.96 $12,800.64
Disclosure

SEC source: 0001562180-22-005119 · primarydocument.xml · nonDerivative · entry 1

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 104,914

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

Read SEC document
March 01, 2022 Filed Mar 3, 2022 21:35 UTC 908 Devices Inc. MASS · Entity 5564 GrantRestricted Stock Unit · Derivative 20,409 $0.00 $0.00
Disclosure

SEC source: 0001562180-22-002267 · primarydocument.xml · derivative · entry 2

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,409

Underlying: Common Stock, par value $0.001 · 20,409 shares

Expires not disclosed

F2 · derivative.exercise_price: Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of Common Stock, par value $0.001, when vested.

F3 · derivative.exercise_date: The RSUs shall vest 25% on March 1, 2023, with the remaining 75% vesting in three substantially equal annual installments at the three anniversary dates following March 1, 2023, subject to the reporting person's continued service through the applicable vesting date. The RSUs have no expiration date.

F3 · derivative.expiration_date: The RSUs shall vest 25% on March 1, 2023, with the remaining 75% vesting in three substantially equal annual installments at the three anniversary dates following March 1, 2023, subject to the reporting person's continued service through the applicable vesting date. The RSUs have no expiration date.

Read SEC document
March 01, 2022 Filed Mar 3, 2022 21:35 UTC 908 Devices Inc. MASS · Entity 5564 GrantStock Option (option to buy) · Derivative 33,899 $0.00 Strike: $16.66 $0.00
Disclosure

SEC source: 0001562180-22-002267 · primarydocument.xml · derivative · entry 1

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,899

Underlying: Common Stock, par value $0.001 · 33,899 shares

Expires 2032-03-01

F1 · derivative.exercise_date: Twenty-five percent of the shares underlying the option become vested and exercisable on March 1, 2023, and the remaining 75% of the shares underlying the option become vested and exercisable in substantially equal monthly installments over the 36 months following March 1, 2023, subject to the reporting person's continued service through the applicable vesting date.

Read SEC document
November 05, 2021 Filed Nov 5, 2021 20:37 UTC 908 Devices Inc. MASS · Entity 5564 SaleCommon Stock, par value $0.001 2,800 $39.08 $109,424.00
Disclosure

SEC source: 0001562180-21-006874 · primarydocument.xml · nonDerivative · entry 1

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,780

F1 · kind: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $39.01 to $39.24, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
September 08, 2021 Filed Sep 10, 2021 20:22 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionStock Option (option to buy) · Derivative 3,804 $0.00 Strike: $0.96 $0.00
Disclosure

SEC source: 0001562180-21-005902 · primarydocument.xml · derivative · entry 8

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,655

Underlying: Common Stock, par value $0.001 · 61,459 shares

Expires 2026-12-05

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: The shares underlying the option are fully vested and immediately exercisable.

Read SEC document
September 08, 2021 Filed Sep 10, 2021 20:22 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionStock Option (option to buy) · Derivative 46,094 $0.00 Strike: $0.53 $0.00
Disclosure

SEC source: 0001562180-21-005902 · primarydocument.xml · derivative · entry 7

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.001 · 46,094 shares

Expires 2024-03-19

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · derivative.exercise_date: The shares underlying the option are fully vested and immediately exercisable.

Read SEC document
September 08, 2021 Filed Sep 10, 2021 20:22 UTC 908 Devices Inc. MASS · Entity 5564 SaleCommon Stock, par value $0.001 8,413 $39.07 $328,695.91
Disclosure

SEC source: 0001562180-21-005902 · primarydocument.xml · nonDerivative · entry 6

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,580

F1 · kind: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $38.94 to $39.27, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
September 08, 2021 Filed Sep 10, 2021 20:22 UTC 908 Devices Inc. MASS · Entity 5564 SaleCommon Stock, par value $0.001 6,742 $38.42 $259,027.64
Disclosure

SEC source: 0001562180-21-005902 · primarydocument.xml · nonDerivative · entry 5

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,993

F1 · kind: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.94 to $38.93, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
September 08, 2021 Filed Sep 10, 2021 20:22 UTC 908 Devices Inc. MASS · Entity 5564 SaleCommon Stock, par value $0.001 23,940 $37.30 $892,962.00
Disclosure

SEC source: 0001562180-21-005902 · primarydocument.xml · nonDerivative · entry 4

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 106,735

F1 · kind: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.94 to $37.93, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
September 08, 2021 Filed Sep 10, 2021 20:22 UTC 908 Devices Inc. MASS · Entity 5564 SaleCommon Stock, par value $0.001 10,803 $36.66 $396,037.98
Disclosure

SEC source: 0001562180-21-005902 · primarydocument.xml · nonDerivative · entry 3

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,675

F1 · kind: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.94 to $36.93, inclusive. The reporting person undertakes to provide to 908 Devices Inc., any security holder of 908 Devices Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

Read SEC document
September 08, 2021 Filed Sep 10, 2021 20:22 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionCommon Stock, par value $0.001 3,804 $0.96 $3,651.84
Disclosure

SEC source: 0001562180-21-005902 · primarydocument.xml · nonDerivative · entry 2

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,478

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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September 08, 2021 Filed Sep 10, 2021 20:22 UTC 908 Devices Inc. MASS · Entity 5564 Exercise / conversionCommon Stock, par value $0.001 46,094 $0.53 $24,429.82
Disclosure

SEC source: 0001562180-21-005902 · primarydocument.xml · nonDerivative · entry 1

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 137,674

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

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June 16, 2021 Filed Jun 21, 2021 12:05 UTC 908 Devices Inc. MASS · Entity 5564 SaleCommon Stock, par value $0.001 17,814 $39.32 $700,446.48
Disclosure

SEC source: 0001104659-21-083127 · tm2120211-2_4.xml · nonDerivative · entry 1

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 91,580

F1 · kind: Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

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December 22, 2020 Filed Dec 23, 2020 01:22 UTC 908 Devices Inc. MASS · Entity 5564 ConversionSeries C Preferred Stock · Derivative 17,814 $0.00 $0.00
Disclosure

SEC source: 0001104659-20-138749 · tm2039218d4_4seq1.xml · derivative · entry 2

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock, par value $0.001 · 17,814 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Series C Preferred Stock (the "Preferred Shares") converted into 0.61459 shares of the Issuer's Common Stock automatically upon the closing of the Issuer's initial public offering without payment of additional consideration. The Preferred Shares were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.exercise_date: Each share of Series C Preferred Stock (the "Preferred Shares") converted into 0.61459 shares of the Issuer's Common Stock automatically upon the closing of the Issuer's initial public offering without payment of additional consideration. The Preferred Shares were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering, and had no expiration date.

F1 · derivative.expiration_date: Each share of Series C Preferred Stock (the "Preferred Shares") converted into 0.61459 shares of the Issuer's Common Stock automatically upon the closing of the Issuer's initial public offering without payment of additional consideration. The Preferred Shares were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering, and had no expiration date.

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December 22, 2020 Filed Dec 23, 2020 01:22 UTC 908 Devices Inc. MASS · Entity 5564 ConversionCommon Stock, par value $0.001 17,814 Not disclosed Not disclosed
Disclosure

SEC source: 0001104659-20-138749 · tm2039218d4_4seq1.xml · nonDerivative · entry 1

Griffith Joseph H. IV · CIK 0001431531 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,394

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · price: Each share of Series C Preferred Stock (the "Preferred Shares") converted into 0.61459 shares of the Issuer's Common Stock automatically upon the closing of the Issuer's initial public offering without payment of additional consideration. The Preferred Shares were convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering, and had no expiration date.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.