AWM Investment Company, Inc. sold MASS

May 28, 2026 · Form 4 insider transaction

AWM Investment Company, Inc. sold 170,442 shares of 908 Devices Inc. at $8.66 per share, a transaction worth $1.48M. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Disposed (sell-side)
Shares
170,442
Price
$8.66
Total value
$1.48M
Role
Security908 DEVICES, INC.
Transaction codeS: Open-market sale
Transaction dateMay 28, 2026
Filing dateMay 29, 2026
Shares owned after4,929,773
OwnershipIndirect
10b5-1 planNo
AmendedNo

Footnotes

This is a weighted average price; David M. Greenhouse (Greenhouse) and Adam C. Stettner (Stettner) are the controlling principals of AWM. The reporting person disclaims beneficial ownership of the Shares, except to the extent of its pecuniary interest therein. This report shall not be deemed an admission that the reporting person is the beneficial owner of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.; AWM Investment Company, Inc., a Delaware Corporation (AWM), is the investment adviser to Special Situations Fund III QP, L.P. (SSFQP), Special Situations Cayman Fund, L.P. (CAY), Special Situations Private Equity Fund, L.P. (SSPE), Special Situations Technology Fund, L.P. (TECH) and Special Situations Technology Fund II, L.P. (TECH II and together with SSFQP, CAY, SSPE and TECH, the Funds). As the investment adviser to the Funds, AWM holds sole voting and investment power over 2,054,000 shares of Common Stock of the Issuer (the Shares) held by SSFQP, 588,327 Shares held by CAY, 271,986 Shares held by SSPE, 338,137 Shares held by TECH and 1,677,323 Shares held by TECH II.

View the original Form 4 on SEC EDGAR