KENNEWEG JOHN enters 908 DEVICES INC. with 57.78K shares plus derivative instruments

Holding both equity and derivatives at entry signals strong long-term conviction in the company.

Direct Derivatives

KENNEWEG JOHN

Filed: 3/6/2026ACC: 0001836876-26-000003

InsiderKENNEWEG JOHNCIK 1836876

→

Issuer908 DEVICES INC.CIK 1555279

Officer· Vice President, Government

Since Dec 2020

57.78K

Baseline shares

100% direct

57.78K

Direct ownership

1 position

426.73K

Derivative underlying

13 instruments

Security positions

All direct

Non-Derivative Holdings1

Common Stock

Direct

Shares owned57.78K

Total

57.78K direct57.78K

Security Title	Shares Owned	Ownership Type
Common Stock	57.78K	Direct
Total	57.78K	57.78K direct

Derivative Holdings13

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

41.82K

Shares owned

N/A

Exercise price

7.35

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

21.19K

Shares owned

N/A

Exercise price

6.19

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

27.66K

Shares owned

N/A

Exercise price

0.96

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

15.31K

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

36.88K

Shares owned

N/A

Exercise price

3.24

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

61.46K

Shares owned

N/A

Exercise price

1.58

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

46.05K

Shares owned

N/A

Exercise price

8.83

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

48.47K

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

13.46K

Shares owned

N/A

Exercise price

16.66

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

58.33K

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Restricted Stock Units

Direct

Underlying security

Common Stock

Underlying shares

7.59K

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

8.70K

Shares owned

N/A

Exercise price

Expiration

—

Exercise window

—

Stock Option (right to buy)

Direct

Underlying security

Common Stock

Underlying shares

39.83K

Shares owned

N/A

Exercise price

1.98

Expiration

—

Exercise window

—

Total

Underlying

426.73K

Owned

0.00

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Stock Option (right to buy) Direct	Common Stock	7.35	—	—	41.82K	N/A
Stock Option (right to buy) Direct	Common Stock	6.19	—	—	21.19K	N/A
Stock Option (right to buy) Direct	Common Stock	0.96	—	—	27.66K	N/A
Restricted Stock Units Direct	Common Stock		—	—	15.31K	N/A
Stock Option (right to buy) Direct	Common Stock	3.24	—	—	36.88K	N/A
Stock Option (right to buy) Direct	Common Stock	1.58	—	—	61.46K	N/A
Stock Option (right to buy) Direct	Common Stock	8.83	—	—	46.05K	N/A
Restricted Stock Units Direct	Common Stock		—	—	48.47K	N/A
Stock Option (right to buy) Direct	Common Stock	16.66	—	—	13.46K	N/A
Restricted Stock Units Direct	Common Stock		—	—	58.33K	N/A
Restricted Stock Units Direct	Common Stock		—	—	7.59K	N/A
Stock Option (right to buy) Direct	Common Stock	24	—	—	8.70K	N/A
Stock Option (right to buy) Direct	Common Stock	1.98	—	—	39.83K	N/A
Total					426.73K	0.00