908 Devices Inc.
US ˙ NasdaqGM ˙ US65443P1021

SecurityMASS / 908 Devices Inc.
InsiderKnopp Kevin J.
This page shows the track record and history of Knopp Kevin J. 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 Knopp Kevin J. 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 (%)
2025-05-15 15,000 4.4397 15,000 4.4397 66,596 34 7.9700 52,955 79.52
2025-05-14 15,000 4.3192 15,000 4.3192 64,788
2024-05-13 10,000 6.4200 10,000 6.4200 64,200
2024-05-10 10,000 5.7700 10,000 5.7700 57,700
2024-05-09 10,000 5.8300 10,000 5.8300 58,300
2024-05-08 10,000 5.7200 10,000 5.7200 57,200
2024-05-07 10,000 5.6000 10,000 5.6000 56,000

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 Knopp Kevin J. 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 4,318 2.3307 4,318 2.3307 10,064 28 1.9800 -1,513 -15.04
2025-02-03 5,159 2.3107 5,159 2.3107 11,921
2025-02-03 6,524 2.3183 6,524 2.3183 15,125
2024-02-01 4,099 6.9716 4,099 6.9716 28,577
2024-02-01 4,972 7.0161 4,972 7.0161 34,884
2023-02-01 4,049 9.3600 4,049 9.3600 37,899

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
2025-05-19 2025-05-15 4 Knopp Kevin J. MASS Common Stock P - Purchase D 4.4397 15,000 67 722,733
2025-05-14 2025-05-14 4 Knopp Kevin J. MASS Common Stock P - Purchase D 4.3192 15,000 65 707,733
2025-02-04 2025-02-03 4 Knopp Kevin J. MASS Common Stock S - Sale D 2.3183 -6,524 -15 692,733
2025-02-04 2025-02-03 4 Knopp Kevin J. MASS Common Stock S - Sale D 2.3107 -5,159 -12 699,257
2025-02-04 2025-02-03 4 Knopp Kevin J. MASS Common Stock S - Sale D 2.3307 -4,318 -10 704,416
2025-02-04 2025-02-01 4 Knopp Kevin J. MASS Common Stock M - Exercise D 17,007 708,734
2025-02-04 2025-02-01 4 Knopp Kevin J. MASS Common Stock M - Exercise D 13,448 691,727
2025-02-04 2025-02-01 4 Knopp Kevin J. MASS Common Stock M - Exercise D 11,254 678,279
2024-12-16 2024-12-13 4 Knopp Kevin J. MASS Common Stock M - Exercise D 1.5800 110,626 175 667,025
2024-12-16 2024-12-13 4 Knopp Kevin J. MASS Common Stock M - Exercise D 1.7500 47,418 83 556,399
2024-05-13 2024-05-13 4 Knopp Kevin J. MASS Common Stock P - Purchase D 6.4200 10,000 64 508,981
2024-05-10 2024-05-10 4 Knopp Kevin J. MASS Common Stock P - Purchase D 5.7700 10,000 58 498,981
2024-05-09 2024-05-09 4 Knopp Kevin J. MASS Common Stock P - Purchase D 5.8300 10,000 58 488,981
2024-05-08 2024-05-08 4 Knopp Kevin J. MASS Common Stock P - Purchase D 5.7200 10,000 57 478,981
2024-05-07 2024-05-07 4 Knopp Kevin J. MASS Common Stock P - Purchase D 5.6000 10,000 56 468,981
2024-04-16 2024-04-16 4 Knopp Kevin J. MASS Common Stock M - Exercise D 1.7500 47,000 82 458,981
2024-02-02 2024-02-01 4 Knopp Kevin J. MASS Common Stock S - Sale D 7.0161 -4,972 -35 411,981
2024-02-02 2024-02-01 4 Knopp Kevin J. MASS Common Stock S - Sale D 6.9716 -4,099 -29 416,953
2024-02-02 2024-02-01 4 Knopp Kevin J. MASS Common Stock M - Exercise D 13,449 421,052
2024-02-02 2024-02-01 4 Knopp Kevin J. MASS Common Stock M - Exercise D 11,255 407,603
2023-06-05 2023-06-05 4 Knopp Kevin J. MASS Common Stock M - Exercise D 1.7500 28,500 50 396,348
2023-05-25 2023-05-23 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 10.1200 -60,000 -607 367,848
2023-02-17 2023-02-16 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 10.1200 -4,842 -49 427,848
2023-02-17 2023-02-15 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 10.2900 -15,158 -156 432,690
2023-02-03 2023-02-02 4 Knopp Kevin J. MASS Common Stock S - Sale D 10.5100 -40,000 -420 447,848
2023-02-03 2023-02-01 4 Knopp Kevin J. MASS Common Stock S - Sale D 9.3600 -4,049 -38 487,848
2023-02-03 2023-02-01 4 Knopp Kevin J. MASS Common Stock M - Exercise D 11,255 491,897
2022-11-17 2022-11-15 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 12.4000 -1,013 -13 480,642
2022-11-17 2022-11-15 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 11.7600 -6,619 -78 481,655
2022-11-17 2022-11-15 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 10.5400 -12,368 -130 488,274
2022-10-19 2022-10-18 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 15.3200 -18,800 -288 500,642
2022-10-19 2022-10-17 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 14.6800 -11,200 -164 519,442
2022-09-19 2022-09-15 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 16.9400 -30,000 -508 530,642
2022-08-17 2022-08-15 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 19.7200 -2,373 -47 560,642
2022-08-17 2022-08-15 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 19.2300 -27,627 -531 563,015
2022-08-09 2022-08-08 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 25.1700 -286 -7 590,642
2022-08-09 2022-08-05 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 25.3200 -25,910 -656 590,928
2022-08-01 2022-08-01 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 22.4600 -14,647 -329 616,838
2022-08-01 2022-07-29 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 22.2200 -18,000 -400 631,485
2022-08-01 2022-07-28 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 22.0100 -5,700 -125 649,485
2022-07-25 2022-07-21 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 22.0400 -200 -4 655,185
2022-07-19 2022-07-15 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 17.7400 -18,231 -323 655,385
2022-07-19 2022-07-15 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 16.8000 -11,769 -198 673,616
2022-07-08 2022-07-08 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 22.0600 -453 -10 685,385
2022-07-08 2022-07-06 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 22.0700 -1,000 -22 685,838
2022-06-22 2022-06-21 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 15.0700 -9,200 -139 686,838
2022-06-17 2022-06-15 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 15.0100 -2,000 -30 696,038
2022-06-17 2022-06-15 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 14.6200 -18,800 -275 698,038
2022-03-03 2022-03-01 4 Knopp Kevin J. MASS Restricted Stock Unit A - Award D 45,019 45,019
2022-03-03 2022-03-01 4 Knopp Kevin J. MASS Stock Option (option to buy) A - Award D 16.66 74,776 74,776
2021-11-02 2021-11-01 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 35.2700 -8,328 -294 716,838
2021-11-02 2021-11-01 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 34.3800 -7,775 -267 725,166
2021-11-02 2021-11-01 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 33.7100 -3,897 -131 732,941
2021-10-05 2021-10-01 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 34.9300 -5,472 -191 736,838
2021-10-05 2021-10-01 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 33.7300 -4,829 -163 742,310
2021-10-05 2021-10-01 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 32.8900 -9,699 -319 747,139
2021-09-03 2021-09-01 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 36.3700 -3,583 -130 756,838
2021-09-03 2021-09-01 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 36.0200 -10,818 -390 760,421
2021-09-03 2021-09-01 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 35.4000 -5,599 -198 771,239
2021-08-18 2021-08-18 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 30.4400 -12,000 -365 776,838
2021-08-18 2021-08-17 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 30.0100 -4,000 -120 788,838
2021-08-18 2021-08-16 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 30.2200 -9,522 -288 792,838
2021-08-18 2021-08-16 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 30.7600 -6,035 -186 802,360
2021-08-18 2021-08-16 4 Knopp Kevin J. MASS Common Stock, par value $0.001 S - Sale D 31.2200 -3,443 -107 808,395
2021-04-30 3/A Knopp Kevin J. MASS Common Stock, par value $0.001 D 758,667
2021-04-30 3/A Knopp Kevin J. MASS Common Stock, par value $0.001 I 505,777
2021-04-30 2020-12-22 4/A Knopp Kevin J. MASS Series D Preferred Stock C - Conversion I -1,758 0
2021-04-30 2020-12-22 4/A Knopp Kevin J. MASS Series D Preferred Stock C - Conversion D -2,638 0
2021-04-30 2020-12-22 4/A Knopp Kevin J. MASS Series B Preferred Stock C - Conversion I -8,459 0
2021-04-30 2020-12-22 4/A Knopp Kevin J. MASS Series B Preferred Stock C - Conversion D -12,688 0
2021-04-30 2020-12-22 4/A Knopp Kevin J. MASS Series A Preferred Stock C - Conversion I -25,229 0
2021-04-30 2020-12-22 4/A Knopp Kevin J. MASS Series A Preferred Stock C - Conversion D -37,845 0
2021-04-30 2020-12-22 4/A Knopp Kevin J. MASS Common Stock, par value $0.001 C - Conversion I 35,446 541,223
2021-04-30 2020-12-22 4/A Knopp Kevin J. MASS Common Stock, par value $0.001 C - Conversion D 53,171 811,838
2020-12-22 2020-12-22 4 Knopp Kevin J. MASS Series D Preferred Stock C - Conversion D -4,396 0
2020-12-22 2020-12-22 4 Knopp Kevin J. MASS Series B Preferred Stock C - Conversion D -21,147 0
2020-12-22 2020-12-22 4 Knopp Kevin J. MASS Series A Preferred Stock C - Conversion D -63,074 0
2020-12-22 2020-12-22 4 Knopp Kevin J. MASS Common Stock, par value $0.001 C - Conversion D 88,617 1,353,061
2020-12-17 3 Knopp Kevin J. MASS Common Stock, par value $0.001 D 1,264,444
P
Pembelian sekuritas non-derivatif atau derivatif di pasar terbuka atau secara pribadi.
S
Penjualan terbuka atau penjualan pribadi atas sekuritas non-derivatif atau derivatif.
A
Hibah, penghargaan, atau perolehan sekuritas lainnya dari perusahaan (seperti opsi)
C
Konversi turunan
D
Penjualan atau pengalihan sekuritas kembali ke perusahaan.
F
Pembayaran harga pelaksanaan atau kewajiban pajak menggunakan sebagian sekuritas yang diterima dari perusahaan.
G
Pemberian sekuritas oleh atau kepada orang dalam.
K
Swap ekuitas dan transaksi lindung nilai serupa
M
Pelaksanaan atau konversi sekuritas derivatif yang diterima dari perusahaan (seperti opsi)
V
Transaksi yang dilaporkan secara sukarela pada Formulir 4.
J
Lainnya (disertai dengan catatan kaki yang menjelaskan transaksi tersebut)