Transaction · 0001535264-26-000052

Awm Investment Company, Inc.

AWM Investment Company, Inc., 10%, reported an open-market or private sale at 908 Devices Inc. involving 8422.000000 shares for an estimated $88638.18. Reported holdings after the transaction were 4821351.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market sellSEC transaction code S10%
MASS908 Devices Inc.
Trade date
Aug 20, 2026
Filing date
Aug 24, 2026
View on SEC Insider profile
Estimated value-$88.6kShares × reported price
Shares traded8.42k$10.52 per share
Holdings after4.82MIndirect · By Limited Partnership
% of reported position traded0.17%This security and ownership context
How reported position traded is calculated

Shares sold ÷ (holdings after + shares sold). Estimated position before: 4,829,773 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

MASS price since this filing

Daily closing prices, with the filing date and available return windows
MASS · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -32.7%1w ago -7.4%1d ago -6.2%
Returns since7d -2.3%30d +0.2%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001535264-26-000052
Common Stock
Transaction date
Aug 20, 2026
Filed Aug 24, 2026, 08:50 PM · 4d delay
Shares
8,422 sh
$10.52 per share
Estimated value
-$88.6k
Computed from shares × price
Holdings after
4,821,351 sh
Indirect · By Limited Partnership

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Cluster Selling
Filing-only score

0 points

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

How this score is calculated
    Read the scoring methodology

    Signed filing-only points, not a probability or expected return. Version v1.

    Reported relationships & other filings

    Form 4 relationship flags and nearby filing context

    Reported roles

    No officer title

    Officer NoDirector No10% YesOther No
    Footnotes & amended
    1. F1

      This is a weighted average price.

    2. F2

      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 Pr…

    3. F3

      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 p…

    Original filing · 0001535264-26-000052
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