Insider Transactions last 24 months for 908 Devices Inc. - NSDQ: MASS
Transactions
All
Buy
Sell
Option Exercise
Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Griffith Joseph H. Iv Chief Financial Officer 09/19/2025 DS Direct COM 5,000 $7.07 $35,338.50 97,930 Leonhart Michele M. Director 06/25/2025 AM Direct COM 6,485 $0.00 $0.00 6,485 Turner Michael S. Chief Legal & Admin Officer 06/18/2025 DS Direct COM 1,373 $7.50 $10,297.50 0 Turner Michael S. Chief Legal & Admin Officer 06/17/2025 DS Direct COM 7,148 $7.51 $53,652.89 1,373 Turner Michael S. Chief Legal & Admin Officer 06/16/2025 DS Direct COM 16,082 $7.51 $120,838.54 8,521 Spoto Mark Director 06/11/2025 AM Direct COM 11,364 $0.00 $0.00 74,335 Crandell Keith Director 06/11/2025 AM Direct COM 11,364 $0.00 $0.00 25,291 Eisenberg Marcia Director 06/11/2025 AM Direct COM 11,364 $0.00 $0.00 25,957 Eloi Fenel M Director 06/11/2025 AM Direct COM 11,364 $0.00 $0.00 26,814 George Jeffrey P. Director 06/11/2025 AM Direct COM 11,364 $0.00 $0.00 26,814 Hunt Anthony Director 06/11/2025 AM Direct COM 11,364 $0.00 $0.00 30,085 Hrusovsky E Kevin Director 06/11/2025 AM Direct COM 11,364 $0.00 $0.00 151,307 Griffith Joseph H. Iv Chief Financial Officer 06/04/2025 DS Direct COM 6,940 $7.08 $49,135.20 102,930 Knopp Kevin J. President and CEO 05/15/2025 AP Direct COM 15,000 $4.44 $66,595.50 722,733 Knopp Kevin J. President and CEO 05/14/2025 AP Direct COM 15,000 $4.32 $64,788.00 707,733 Spoto Mark Director 05/14/2025 AP Direct COM 3,000 $4.25 $12,750.00 62,971 Spoto Mark Director 05/14/2025 AP Direct COM 7,000 $4.30 $30,100.00 59,971 Hunt Anthony Director 03/02/2025 AM Direct COM 2,058 $0.00 $0.00 18,721 Brown Christopher D. Chief Product Officer 02/03/2025 DS Direct COM 3,641 $2.33 $8,501.37 962,122 Brown Christopher D. Chief Product Officer 02/03/2025 DS Direct COM 2,459 $2.34 $5,762.91 965,763 Brown Christopher D. Chief Product Officer 02/03/2025 DS Direct COM 1,667 $2.36 $3,926.45 968,222 Knopp Kevin J. President and CEO 02/03/2025 DS Direct COM 6,524 $2.32 $15,124.59 692,733 Knopp Kevin J. President and CEO 02/03/2025 DS Direct COM 5,159 $2.31 $11,920.90 699,257 Knopp Kevin J. President and CEO 02/03/2025 DS Direct COM 4,318 $2.33 $10,063.96 704,416 Turner Michael S. Chief Legal & Admin Officer 02/03/2025 DS Direct COM 4,162 $2.32 $9,654.18 24,603
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Knopp Kevin J. President and CEO 05/15/2025 AP Direct COM 15,000 $4.44 $66,595.50 722,733 Knopp Kevin J. President and CEO 05/14/2025 AP Direct COM 15,000 $4.32 $64,788.00 707,733 Spoto Mark Director 05/14/2025 AP Direct COM 3,000 $4.25 $12,750.00 62,971 Spoto Mark Director 05/14/2025 AP Direct COM 7,000 $4.30 $30,100.00 59,971 Knopp Kevin J. President and CEO 05/13/2024 AP Direct COM 10,000 $6.42 $64,200.00 508,981 Knopp Kevin J. President and CEO 05/10/2024 AP Direct COM 10,000 $5.77 $57,700.00 498,981 Knopp Kevin J. President and CEO 05/09/2024 AP Direct COM 10,000 $5.83 $58,300.00 488,981 Knopp Kevin J. President and CEO 05/08/2024 AP Direct COM 10,000 $5.72 $57,200.00 478,981 Knopp Kevin J. President and CEO 05/07/2024 AP Direct COM 10,000 $5.60 $56,000.00 468,981
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Griffith Joseph H. Iv Chief Financial Officer 09/19/2025 DS Direct COM 5,000 $7.07 $35,338.50 97,930 Turner Michael S. Chief Legal & Admin Officer 06/18/2025 DS Direct COM 1,373 $7.50 $10,297.50 0 Turner Michael S. Chief Legal & Admin Officer 06/17/2025 DS Direct COM 7,148 $7.51 $53,652.89 1,373 Turner Michael S. Chief Legal & Admin Officer 06/16/2025 DS Direct COM 16,082 $7.51 $120,838.54 8,521 Griffith Joseph H. Iv Chief Financial Officer 06/04/2025 DS Direct COM 6,940 $7.08 $49,135.20 102,930 Brown Christopher D. Chief Product Officer 02/03/2025 DS Direct COM 3,641 $2.33 $8,501.37 962,122 Brown Christopher D. Chief Product Officer 02/03/2025 DS Direct COM 2,459 $2.34 $5,762.91 965,763 Brown Christopher D. Chief Product Officer 02/03/2025 DS Direct COM 1,667 $2.36 $3,926.45 968,222 Knopp Kevin J. President and CEO 02/03/2025 DS Direct COM 6,524 $2.32 $15,124.59 692,733 Knopp Kevin J. President and CEO 02/03/2025 DS Direct COM 5,159 $2.31 $11,920.90 699,257 Knopp Kevin J. President and CEO 02/03/2025 DS Direct COM 4,318 $2.33 $10,063.96 704,416 Turner Michael S. Chief Legal & Admin Officer 02/03/2025 DS Direct COM 4,162 $2.32 $9,654.18 24,603 Turner Michael S. Chief Legal & Admin Officer 02/03/2025 DS Direct COM 3,807 $2.32 $8,831.10 28,765 Turner Michael S. Chief Legal & Admin Officer 02/03/2025 DS Direct COM 1,703 $2.36 $4,013.63 32,572 Griffith Joseph H. Iv Chief Financial Officer 02/03/2025 DS Direct COM 4,321 $2.35 $10,167.31 109,870 Griffith Joseph H. Iv Chief Financial Officer 02/03/2025 DS Direct COM 3,955 $2.34 $9,234.93 114,191 Griffith Joseph H. Iv Chief Financial Officer 02/03/2025 DS Direct COM 1,960 $2.34 $4,582.48 118,146 Griffith Joseph H. Iv Chief Financial Officer 02/02/2024 DS Direct COM 9,711 $7.09 $68,873.33 80,000 Brown Christopher D. Chief Product Officer 02/01/2024 DS Direct COM 2,358 $7.02 $16,549.15 886,394 Brown Christopher D. Chief Product Officer 02/01/2024 DS Direct COM 1,599 $6.99 $11,181.17 888,752 Knopp Kevin J. President and CEO 02/01/2024 DS Direct COM 4,972 $7.02 $34,884.05 411,981 Knopp Kevin J. President and CEO 02/01/2024 DS Direct COM 4,099 $6.97 $28,576.59 416,953 Turner Michael S. Chief Legal & Admin Officer 02/01/2024 DS Direct COM 3,616 $6.97 $25,203.88 9,105 Turner Michael S. Chief Legal & Admin Officer 02/01/2024 DS Direct COM 1,616 $7.03 $11,354.82 12,721 Griffith Joseph H. Iv Chief Financial Officer 02/01/2024 DS Direct COM 3,810 $7.00 $26,682.19 89,711
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Filer's Name
Relationship/
Trans.
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Total Shares Owned
Leonhart Michele M. Director 06/25/2025 AM Direct COM 6,485 $0.00 $0.00 6,485 Spoto Mark Director 06/11/2025 AM Direct COM 11,364 $0.00 $0.00 74,335 Crandell Keith Director 06/11/2025 AM Direct COM 11,364 $0.00 $0.00 25,291 Eisenberg Marcia Director 06/11/2025 AM Direct COM 11,364 $0.00 $0.00 25,957 Eloi Fenel M Director 06/11/2025 AM Direct COM 11,364 $0.00 $0.00 26,814 George Jeffrey P. Director 06/11/2025 AM Direct COM 11,364 $0.00 $0.00 26,814 Hunt Anthony Director 06/11/2025 AM Direct COM 11,364 $0.00 $0.00 30,085 Hrusovsky E Kevin Director 06/11/2025 AM Direct COM 11,364 $0.00 $0.00 151,307 Hunt Anthony Director 03/02/2025 AM Direct COM 2,058 $0.00 $0.00 18,721 Brown Christopher D. Chief Product Officer 02/01/2025 AM Direct COM 10,991 $0.00 $0.00 969,889 Brown Christopher D. Chief Product Officer 02/01/2025 AM Direct COM 7,418 $0.00 $0.00 958,898 Brown Christopher D. Chief Product Officer 02/01/2025 AM Direct COM 5,027 $0.00 $0.00 951,480 Knopp Kevin J. President and CEO 02/01/2025 AM Direct COM 17,007 $0.00 $0.00 708,734 Knopp Kevin J. President and CEO 02/01/2025 AM Direct COM 13,448 $0.00 $0.00 691,727 Knopp Kevin J. President and CEO 02/01/2025 AM Direct COM 11,254 $0.00 $0.00 678,279 Turner Michael S. Chief Legal & Admin Officer 02/01/2025 AM Direct COM 10,834 $0.00 $0.00 34,275 Turner Michael S. Chief Legal & Admin Officer 02/01/2025 AM Direct COM 9,909 $0.00 $0.00 23,441 Turner Michael S. Chief Legal & Admin Officer 02/01/2025 AM Direct COM 4,427 $0.00 $0.00 13,532 Griffith Joseph H. Iv Chief Financial Officer 02/01/2025 AM Direct COM 11,261 $0.00 $0.00 120,106 Griffith Joseph H. Iv Chief Financial Officer 02/01/2025 AM Direct COM 10,306 $0.00 $0.00 108,845 Griffith Joseph H. Iv Chief Financial Officer 02/01/2025 AM Direct COM 5,102 $0.00 $0.00 98,539 Brown Christopher D. Chief Product Officer 12/19/2024 AM Direct COM 55,131 $1.58 $87,106.98 946,453 Knopp Kevin J. President and CEO 12/13/2024 AM Direct COM 110,626 $1.58 $174,789.08 667,025 Knopp Kevin J. President and CEO 12/13/2024 AM Direct COM 47,418 $1.75 $82,981.50 556,399 Brown Christopher D. Chief Product Officer 08/07/2024 AM Direct COM 6,328 $1.58 $9,998.24 891,322
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Transaction Type Key A = Acquired, D = Disposed A = Grant, award or other acquisition pursuant to Rule 16b-3(d)
C = Conversion of derivative security |
D = Disposition to the issuer of issuer equity securities pursuant to Rule 16b-3(e) |
E = Expiration of short derivative position |
F = Payment of exercise price or tax liability by delivering or withholding securities incident to the receipt, exercise or vesting of a security issued in accordance with Rule 16b-3. |
G = Gift |
H = Expiration (or cancellation) of long derivative position with value received |
I = Discretionary transaction in accordance with Rule 16b-3(f) |
J = Other |
L = Small acquisition under Rule 16a-6 |
M = Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 |
O = Exercise of out-of-the-money derivative security |
P = Open market or private purchase |
S = Open market or private sale |
U = Disposition pursuant to a tender of shares in a change of control transaction |
W = Acquisition or disposition by will or the laws of descent and distribution |
X = Exercise of in-the-money or at-the-money derivative security |
Z = Deposit into or withdrawal from voting trust
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