Christopher D. Brown is Chief Product Officer of 908 Devices Inc.. Currently has a direct ownership of 946,453 shares of MASS, which is worth approximately $1.82 Million. The most recent transaction as insider was on Dec 19, 2024, when has been sold 55,131 shares (Common Stock) at a price of $1.58 per share, resulting in proceeds of $87,106. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 946K
6.19% 3M change
7.81% 12M change
Total Value Held $1.82 Million

Christopher D. Brown Transaction History

Date Transaction Value Shares Traded Shares Held Form
Dec 19 2024
BUY
Exercise of conversion of derivative security
$87,106 $1.58 p/Share
55,131 Added 5.5%
946,453 Common Stock
Aug 07 2024
BUY
Exercise of conversion of derivative security
$9,998 $1.58 p/Share
6,328 Added 0.7%
891,322 Common Stock
Apr 01 2024
BUY
Exercise of conversion of derivative security
$6,300 $1.75 p/Share
3,600 Added 0.41%
884,994 Common Stock
Feb 01 2024
SELL
Open market or private sale
$27,738 $7.01 p/Share
3,957 Reduced 0.44%
886,394 Common Stock
Feb 01 2024
BUY
Exercise of conversion of derivative security
-
12,446 Added 1.38%
890,351 Common Stock
Dec 21 2023
SELL
Open market or private sale
$67,214 $9.12 p/Share
7,370 Reduced 0.83%
877,905 Common Stock
Dec 20 2023
SELL
Open market or private sale
$47,638 $9.1 p/Share
5,235 Reduced 0.59%
885,275 Common Stock
Dec 19 2023
SELL
Open market or private sale
$67,146 $9.08 p/Share
7,395 Reduced 0.82%
890,510 Common Stock
Jun 07 2023
SELL
Open market or private sale
$44,834 $10.03 p/Share
4,470 Reduced 0.5%
897,905 Common Stock
May 23 2023
SELL
Open market or private sale
$100,200 $10.02 p/Share
10,000 Reduced 1.11%
892,375 Common Stock, par valu...
Feb 02 2023
SELL
Open market or private sale
$100,300 $10.03 p/Share
10,000 Reduced 1.1%
902,375 Common Stock
Feb 01 2023
SELL
Open market or private sale
$14,341 $9.17 p/Share
1,564 Reduced 0.17%
912,375 Common Stock
Feb 01 2023
BUY
Exercise of conversion of derivative security
-
5,027 Added 0.55%
913,939 Common Stock
Sep 12 2022
SELL
Open market or private sale
$391,600 $19.58 p/Share
20,000 Reduced 2.15%
908,912 Common Stock, par valu...
Jul 06 2022
SELL
Open market or private sale
$214,100 $21.41 p/Share
10,000 Reduced 1.07%
928,912 Common Stock, par valu...
Jun 30 2022
SELL
Open market or private sale
$74,444 $20.12 p/Share
3,700 Reduced 0.39%
938,912 Common Stock, par valu...
Jun 29 2022
SELL
Open market or private sale
$333,044 $20.22 p/Share
16,471 Reduced 1.72%
942,612 Common Stock, par valu...
Apr 12 2022
SELL
Open market or private sale
$197,170 $20.06 p/Share
9,829 Reduced 1.01%
959,083 Common Stock, par valu...
Mar 18 2022
SELL
Open market or private sale
$399,194 $20.06 p/Share
19,900 Reduced 2.01%
968,912 Common Stock, par valu...
Mar 11 2022
SELL
Open market or private sale
$2,000 $20.0 p/Share
100 Reduced 0.01%
988,812 Common Stock, par valu...
Jan 05 2022
SELL
Open market or private sale
$234,700 $23.47 p/Share
10,000 Reduced 1.0%
988,912 Common Stock, par valu...
Dec 01 2021
SELL
Open market or private sale
$240,500 $24.05 p/Share
10,000 Reduced 0.99%
998,912 Common Stock, par valu...
Nov 03 2021
SELL
Open market or private sale
$495,000 $33.0 p/Share
15,000 Reduced 1.46%
1,008,912 Common Stock, par valu...
Oct 06 2021
SELL
Open market or private sale
$491,400 $32.76 p/Share
15,000 Reduced 1.44%
1,023,912 Common Stock, par valu...
Sep 01 2021
SELL
Open market or private sale
$539,400 $35.96 p/Share
15,000 Reduced 1.42%
1,038,912 Common Stock, par valu...
CDB

Christopher D. Brown

Chief Product Officer
Boston, MA

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