Michael S. Turner 908 Devices Inc. (MASS) insider trading activity

MASS Quotes by TradingView

Michael S. Turner is Chief Legal & Admin Officer of 908 Devices Inc.. Currently has a direct ownership of 0 shares of MASS, which is worth approximately $0. The most recent transaction as insider was on Jun 18, 2025, when has been sold 1,373 shares (Common Stock) at a price of $7.5 per share, resulting in proceeds of $10,297. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 0
100.0% 3M change
100.0% 12M change
Total Value Held $0

Michael S. Turner Transaction History

Date Transaction Value Shares Traded Shares Held Form
Jun 18 2025
SELL
Open market or private sale
$10,297 $7.5 p/Share
1,373 Reduced 100.0%
0 Common Stock
Jun 17 2025
SELL
Open market or private sale
$53,681 $7.51 p/Share
7,148 Reduced 83.89%
1,373 Common Stock
Jun 16 2025
SELL
Open market or private sale
$120,775 $7.51 p/Share
16,082 Reduced 65.37%
8,521 Common Stock
Feb 03 2025
SELL
Open market or private sale
$22,535 $2.33 p/Share
9,672 Reduced 28.22%
24,603 Common Stock
Feb 01 2025
BUY
Exercise of conversion of derivative security
-
25,170 Added 42.34%
34,275 Common Stock
Feb 01 2024
SELL
Open market or private sale
$36,624 $7.0 p/Share
5,232 Reduced 36.49%
9,105 Common Stock
Feb 01 2024
BUY
Exercise of conversion of derivative security
-
14,337 Added 50.0%
14,337 Common Stock
Feb 02 2023
SELL
Open market or private sale
$28,536 $10.02 p/Share
2,848 Reduced 100.0%
0 Common Stock
Feb 01 2023
SELL
Open market or private sale
$14,479 $9.17 p/Share
1,579 Reduced 35.67%
2,848 Common Stock
Feb 01 2023
BUY
Exercise of conversion of derivative security
-
4,427 Added 50.0%
4,427 Common Stock
Aug 17 2022
SELL
Open market or private sale
$90,750 $18.15 p/Share
5,000 Reduced 100.0%
0 Common Stock, par valu...
Aug 17 2022
BUY
Exercise of conversion of derivative security
$39,550 $7.91 p/Share
5,000 Added 50.0%
5,000 Common Stock, par valu...
Aug 02 2022
SELL
Open market or private sale
$239,600 $23.96 p/Share
10,000 Reduced 100.0%
0 Common Stock, par valu...
Aug 02 2022
BUY
Exercise of conversion of derivative security
$79,100 $7.91 p/Share
10,000 Added 50.0%
10,000 Common Stock, par valu...
Jun 29 2022
SELL
Open market or private sale
$100,150 $20.03 p/Share
5,000 Reduced 100.0%
0 Common Stock, par valu...
Jun 23 2022
SELL
Open market or private sale
$179,000 $17.9 p/Share
10,000 Reduced 66.67%
5,000 Common Stock, par valu...
Jun 23 2022
BUY
Exercise of conversion of derivative security
$79,100 $7.91 p/Share
10,000 Added 40.0%
15,000 Common Stock, par valu...
Sep 09 2021
SELL
Open market or private sale
$799,200 $36.58 p/Share
21,848 Reduced 81.38%
5,000 Common Stock, par valu...
Sep 09 2021
BUY
Exercise of conversion of derivative security
$172,818 $7.91 p/Share
21,848 Added 44.87%
26,848 Common Stock, par valu...
Dec 22 2020
BUY
Open market or private purchase
$100,000 $20.0 p/Share
5,000 Added 50.0%
5,000 Common Stock, par valu...
MST

Michael S. Turner

Chief Legal & Admin Officer
Boston, MA

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