Otitoju Kolawole A. bought MASS

April 21, 2026 · Form 4 insider transaction

Otitoju Kolawole A. bought 146,789 shares of 908 Devices Inc. at $0.00 per share, a transaction worth N/A. The trade was recorded as grant or award and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Acquired (buy-side)
Shares
146,789
Price
$0.00
Total value
N/A
RoleOfficer
SecurityStock Option (right to buy)
Transaction codeA: Grant or award
Transaction dateApril 21, 2026
Filing dateApril 22, 2026
Shares owned after146,789
OwnershipDirect
10b5-1 planNo
AmendedNo

Footnotes

One-third of the shares underlying the option become vested and exercisable on May 1, 2027, and the remaining two-thirds of the shares underlying the option become vested and exercisable in substantially equal monthly installments over the 24 months following May 1, 2027, subject to the reporting person's continued service through the applicable vesting date.

View the original Form 4 on SEC EDGAR