908 Devices Inc.
US ˙ NasdaqGM ˙ US65443P1021

SecurityMASS / 908 Devices Inc.
InsiderBrown Christopher D.
This page shows the track record and history of Brown Christopher D. insider trades in 908 Devices Inc.. The SEC defines Insiders as officers, directors, or significant investors (greater than 10% ownership) in a company. It is illegal for insiders to make trades in their companies based on material, non-public information ("MNPI"). This does not mean it is illegal for them to make any trades in their own companies. However, they must report all trades to the SEC via a Form 4.
Insider Purchases - Short Term Profit Analysis

In this section, we analyze the profitability of every unplanned, open-market insider purchase made by Brown Christopher D. in MASS / 908 Devices Inc.. This analysis helps to understand if the insider consistently generates abnormal returns, and is worth following. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares		 Reported
Price		 Adjusted
Shares		 Adjusted
Price		 Cost Basis Days to
Max		 Price at
Max		 Max
Profit ($)		 Max Return (%)
There are no known unplanned open-market trades for this insider

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

MASS / 908 Devices Inc. Insider Trades
Insider Sales - Short Term Loss Analysis

In this section, we analyze the short-term loss avoidance of every unplanned, open-market insider sale made by Brown Christopher D. in MASS / 908 Devices Inc.. A consistent pattern of loss avoidance may suggest that future sale transactions may predict declines in price. This analysis is for one-year following each trade, and the results are theoretical.

The following table shows the most recent open market purchases that were not part of an automatic trading plan.

Trade Date Reported
Shares		 Reported
Price		 Adjusted
Shares		 Adjusted
Price		 Cost Basis Days to
Min		 Price at
Min		 Max Loss
Avoided ($)		 Max Loss
Avoided (%)
2025-02-03 1,667 2.3554 1,667 2.3554 3,926 28 1.9800 -625 -15.93
2025-02-03 2,459 2.3436 2,459 2.3436 5,763
2025-02-03 3,641 2.3349 3,641 2.3349 8,501
2024-02-01 1,599 6.9926 1,599 6.9926 11,181
2024-02-01 2,358 7.0183 2,358 7.0183 16,549
2023-02-01 1,564 9.1700 1,564 9.1700 14,342

Adjusted Price is the split-adjusted price. Adjusted Shares is the split-adjusted shares.

MASS / 908 Devices Inc. Insider Trades
Insider Transaction History
File
Date		 Trade
Date		 Form Insider Ticker Security Title Code 10b5-1 Direct Exercise
Price		 Unit
Price		 Units
Changed		 Value
Changed (1K)		 Remaining
Options		 Remaining
Shares
2025-06-18 3 Brown Christopher D. MASS Common Stock D 962,122
2025-02-04 2025-02-03 4 Brown Christopher D. MASS Common Stock S - Sale D 2.3349 -3,641 -9 962,122
2025-02-04 2025-02-03 4 Brown Christopher D. MASS Common Stock S - Sale D 2.3436 -2,459 -6 965,763
2025-02-04 2025-02-03 4 Brown Christopher D. MASS Common Stock S - Sale D 2.3554 -1,667 -4 968,222
2025-02-04 2025-02-01 4 Brown Christopher D. MASS Common Stock M - Exercise D 10,991 969,889
2025-02-04 2025-02-01 4 Brown Christopher D. MASS Common Stock M - Exercise D 7,418 958,898
2025-02-04 2025-02-01 4 Brown Christopher D. MASS Common Stock M - Exercise D 5,027 951,480
2024-12-19 2024-12-19 4 Brown Christopher D. MASS Common Stock M - Exercise D 1.5800 55,131 87 946,453
2024-08-08 2024-08-07 4 Brown Christopher D. MASS Common Stock M - Exercise D 1.5800 6,328 10 891,322
2024-04-02 2024-04-01 4 Brown Christopher D. MASS Common Stock M - Exercise D 1.7500 3,600 6 884,994
2024-02-02 2024-02-01 4 Brown Christopher D. MASS Common Stock S - Sale D 7.0183 -2,358 -17 886,394
2024-02-02 2024-02-01 4 Brown Christopher D. MASS Common Stock S - Sale D 6.9926 -1,599 -11 888,752
2024-02-02 2024-02-01 4 Brown Christopher D. MASS Common Stock M - Exercise D 7,418 890,351
2024-02-02 2024-02-01 4 Brown Christopher D. MASS Common Stock M - Exercise D 5,028 882,933
2023-12-21 2023-12-21 4 Brown Christopher D. MASS Common Stock S - Sale D 9.1200 -7,370 -67 877,905
2023-12-21 2023-12-20 4 Brown Christopher D. MASS Common Stock S - Sale D 9.1000 -5,235 -48 885,275
2023-12-21 2023-12-19 4 Brown Christopher D. MASS Common Stock S - Sale D 9.0800 -1,305 -12 890,510
2023-12-21 2023-12-19 4 Brown Christopher D. MASS Common Stock S - Sale D 9.0800 -6,090 -55 891,815
2023-06-09 2023-06-07 4 Brown Christopher D. MASS Common Stock S - Sale D 10.0300 -4,470 -45 897,905
2023-05-25 2023-05-23 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 10.0200 -10,000 -100 892,375
2023-02-03 2023-02-02 4 Brown Christopher D. MASS Common Stock S - Sale D 10.0300 -10,000 -100 902,375
2023-02-03 2023-02-01 4 Brown Christopher D. MASS Common Stock S - Sale D 9.1700 -1,564 -14 912,375
2023-02-03 2023-02-01 4 Brown Christopher D. MASS Common Stock M - Exercise D 5,027 913,939
2022-09-14 2022-09-12 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 19.5800 -20,000 -392 908,912
2022-07-08 2022-07-06 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 21.7800 -3,200 -70 928,912
2022-07-08 2022-07-06 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 21.0400 -6,800 -143 932,112
2022-07-01 2022-06-30 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 20.1200 -3,700 -74 938,912
2022-07-01 2022-06-29 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 20.2200 -16,471 -333 942,612
2022-04-14 2022-04-12 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 20.0600 -9,829 -197 959,083
2022-03-21 2022-03-18 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 20.0600 -19,900 -399 968,912
2022-03-15 2022-03-11 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 20.0000 -100 -2 988,812
2022-03-03 2022-03-01 4 Brown Christopher D. MASS Restricted Stock Unit A - Award D 20,109 20,109
2022-03-03 2022-03-01 4 Brown Christopher D. MASS Stock Option (option to buy) A - Award D 16.66 33,400 33,400
2022-01-07 2022-01-05 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 24.0500 -6,714 -161 988,912
2022-01-07 2022-01-05 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 22.8900 -3,286 -75 995,626
2021-12-03 2021-12-01 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 24.2900 -1,230 -30 998,912
2021-12-03 2021-12-01 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 23.8000 -8,770 -209 1,000,142
2021-11-04 2021-11-03 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 33.2400 -3,426 -114 1,008,912
2021-11-04 2021-11-03 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 32.7500 -11,574 -379 1,012,338
2021-10-07 2021-10-06 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 33.3300 -1,580 -53 1,023,912
2021-10-07 2021-10-06 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 32.1900 -13,420 -432 1,025,492
2021-09-03 2021-09-01 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 36.2400 -6,315 -229 1,038,912
2021-09-03 2021-09-01 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 35.6800 -8,685 -310 1,045,227
2021-08-06 2021-08-04 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 33.4000 -5,400 -180 1,053,912
2021-08-06 2021-08-04 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 32.4700 -5,100 -166 1,059,312
2021-08-06 2021-08-04 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 31.5800 -4,500 -142 1,064,412
2021-07-08 2021-07-07 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 34.9900 -200 -7 1,068,912
2021-07-08 2021-07-07 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 34.2500 -5,035 -172 1,069,112
2021-07-08 2021-07-07 4 Brown Christopher D. MASS Common Stock, par value $0.001 S - Sale D 33.5200 -29,765 -998 1,074,147
2020-12-22 2020-12-22 4 Brown Christopher D. MASS Series D Preferred Stock C - Conversion D -4,396 0
2020-12-22 2020-12-22 4 Brown Christopher D. MASS Common Stock, par value $0.001 C - Conversion D 4,396 1,103,912
2020-12-17 3 Brown Christopher D. MASS Common Stock, par value $0.001 D 1,099,516
P
Köp på öppna marknaden eller privat köp av icke-derivatsäkerhet
S
Köp på öppna marknaden eller privat försäljning av icke-derivatsäkerhet
A
Bevilja, tilldelning eller annat förvärv av värdepapper från företaget (såsom en option)
C
Omvandling av derivat
D
Försäljning eller överföring av värdepapper tillbaka til företaget
F
Betalning av lösenpris eller skatteskuld med del av värdepapper som erhållits från bolaget
G
Överlåtelse av värdepapper från eller till insidern
K
Aktieswappar och liknande säkringsaffärer
M
Utövande eller omvandling av derivatsäkerhet som erhållits från företaget (som en option)
V
En transaktion friviligt rapporterad på schema 4
J
Andra (med en fotnot som beskriver transaktionen)