Transaction · 0001562180-25-000891

Brown Christopher D.

Brown Christopher D., CPO, reported a transaction classified as exercise at 908 Devices Inc. involving 5027.000000 shares for an estimated $0.00. Reported holdings after the transaction were 5027.000000 shares. A 10b5-1 reference was not detected in the stored filing text.

exerciseSEC transaction code MCPO
MASS908 Devices Inc.
Filing timeFeb 04
Trade dateFeb 01, 2025
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
Pre-filing
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MASS price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
MASS since 2025-02-04Filed 578 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
exercise
Code M
Identifier
0001562180-25-000891
Restricted Stock Units
Transaction date
Feb 01, 2025
Filed Feb 04, 2025, 09:49 PM · 3d delay
Shares
5.02k sh
$0 per share
Estimated value
$0
Computed from shares × price
Holdings after
5.02k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Derivative Transaction Direct Ownership Large Holdings Reduction
-10score
Filing-only score

-10

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

Mixed or weak signal

This filing has a negative filing-only score. It may be less informative as an insider-activity signal and needs extra context.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Product Officer

Officer YesDirector No10% NoOther No
Footnotes & amended
  1. F1

    Each Restricted Stock Unit ("RSU") represents a contingent right to receive, at settlement, one share of Common Stock. This transaction represents the settlement of RSUs in shares of Common Stock on t…

  2. F2

    The sale reported on this Form 4 represents shares sold by the Reporting Person to cover tax withholding obligations in connection with the vesting and settlement of RSUs. The sale is mandated by the…

  3. F3

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.33 to $2.38, inclusive. The reporting person undertakes to provide…

  4. F4

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.31 to $2.38, inclusive. The reporting person undertakes to provide…

  5. F5

    The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.29 to $2.40, inclusive. The reporting person undertakes to provide…

  6. F6

    These RSUs vest in four substantially equal annual installments at the four anniversary dates following February 1, 2022, subject to the reporting person's continued service through the applicable ves…

  7. F7

    These RSUs vest in four substantially equal annual installments at the four anniversary dates following February 1, 2023, subject to the reporting person's continued service through the applicable ves…

  8. F8

    These RSUs vest in four substantially equal annual installments at the four anniversary dates following February 1, 2024, subject to the reporting person's continued service through the applicable ves…

Original filing · 0001562180-25-000891
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