Griffith Joseph H. IV sold MASS

August 25, 2026 · Form 4 insider transaction

Griffith Joseph H. IV sold 11,459 shares of 908 Devices Inc. at $10.95 per share, a transaction worth $125.5K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
11,459
Price
$10.95
Total value
$125.5K
RoleOfficer
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateAugust 25, 2026
Filing dateAugust 27, 2026
Shares owned after121,497
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 26, 2026.; The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.65 to $11.03, inclusive. The reporting person undertakes to provide to Issuer, any security holder of Issuer, 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.

View the original Form 4 on SEC EDGAR