AWM trims 908 Devices (MASS) holdings with 78,209-share open-market sale
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
AWM Investment Company, Inc., a ten percent owner of 908 Devices Inc., reported indirect open-market sales of the company’s common stock through a limited partnership. Across four transactions on May 6–8, AWM-related funds sold a total of 78,209 shares at prices around $8 per share.
Individual trades included 5,000 shares at $8.00, 57,365 shares at $8.0564, 12,819 shares at $8.2042, and 3,025 shares at $8.20. After these sales, AWM, as investment adviser to several funds, reports indirect ownership of 5,121,715 shares and disclaims beneficial ownership except for its pecuniary interest.
Positive
- None.
Negative
- None.
Insider Trade Summary
Net Seller: 78,209 shares ($632,130)
Net Sell
4 txns
Insider
AWM Investment Company, Inc.
Role
null
Sold
78,209 shs ($632K)
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Sale | 908 DEVICES, INC. | 3,025 | $8.20 | $25K |
| Sale | 908 DEVICES, INC. | 12,819 | $8.2042 | $105K |
| Sale | 908 DEVICES, INC. | 5,000 | $8.00 | $40K |
| Sale | 908 DEVICES, INC. | 57,365 | $8.0564 | $462K |
Holdings After Transaction:
908 DEVICES, INC. — 5,121,715 shares (Indirect, By Limited Partnership)
Footnotes (1)
- This is a weighted average price. 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 2,182,852 shares of Common Stock of the Issuer (the Shares) held by SSFQP, 631,513 Shares held by CAY, 291,890 Shares held by SSPE, 338,137 Shares held by TECH and 1,677,323 Shares held by TECH II. 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.
Key Figures
Total shares sold: 78,209 shares
Post-transaction holdings: 5,121,715 shares
Sale price May 8: $8.20 per share
+5 more
8 metrics
Total shares sold
78,209 shares
Open-market sales on May 6–8
Post-transaction holdings
5,121,715 shares
Indirect ownership after May 8 sale
Sale price May 8
$8.20 per share
3,025 shares sold on May 8
Sale price May 7
$8.2042 per share
12,819 shares sold on May 7
Sale price May 6 (larger trade)
$8.0564 per share
57,365 shares sold on May 6
Sale price May 6 (smaller trade)
$8.00 per share
5,000 shares sold on May 6
Shares held by SSFQP
2,182,852 shares
Held by Special Situations Fund III QP, L.P.
Shares held by TECH II
1,677,323 shares
Held by Special Situations Technology Fund II, L.P.
Key Terms
open-market sale, indirect ownership, pecuniary interest, beneficial ownership, +1 more
5 terms
open-market sale financial
"transaction_action is described as "open-market sale""
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
indirect ownership financial
"transactions list ownership_type as indirect and nature as By Limited Partnership"
pecuniary interest financial
"the reporting person disclaims beneficial ownership ... except to the extent of its pecuniary interest therein"
beneficial ownership financial
"the reporting person disclaims beneficial ownership of the Shares"
Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.
Section 16 regulatory
"for purposes of Section 16 of the Securities Exchange Act of 1934"
Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.
FAQ
What did AWM Investment Company report in this Form 4 for MASS?
AWM reported that funds it advises executed open-market sales of 908 Devices Inc. common stock. Over four trades between May 6 and May 8, they sold a combined 78,209 shares at prices slightly above $8 per share, reducing their indirect holdings.
Were the 908 Devices (MASS) sales direct or indirect for AWM?
All reported transactions are classified as indirect, with the nature of ownership listed as “By Limited Partnership.” The shares are held by multiple investment funds advised by AWM, rather than directly by AWM itself or by individual principals named in the footnotes.