Insider Transactions last 24 months for IDEXX Laboratories, Inc. - NSDQ: IDXX
Transactions
All
Buy
Sell
Option Exercise
Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Smith Martin Alexander Executive Vice President 09/01/2025 DF Direct COM 5 $647.09 $3,235.45 1,434 Smith Martin Alexander Executive Vice President 09/01/2025 AM Direct COM 18 $0.00 $0.00 1,439 Szostak M Anne Director 08/22/2025 AG Indirect COM 259 $0.00 $0.00 259 Szostak M Anne Director 08/22/2025 DG Indirect COM 259 $0.00 $0.00 1,542 Szostak M Anne Director 08/22/2025 DS Direct COM 2,187 $647.33 $1,415,700.21 262 Szostak M Anne Director 08/22/2025 AM Direct COM 2,187 $206.62 $451,877.94 2,449 Mazelsky Jonathan Jay President and CEO 08/15/2025 DG Direct COM 1,051 $0.00 $0.00 82,443 Underberg Sharon E. EVP, GC & Corporate Secretary 08/12/2025 AM Direct COM 183 $544.08 $99,566.64 6,339 Hunt Nimrata Executive Vice President 08/12/2025 AM Direct COM 183 $544.08 $99,566.64 18,033 Hunt Nimrata Executive Vice President 08/12/2025 AM Direct COM 483 $206.94 $99,952.02 17,850 Hunt Nimrata Executive Vice President 08/12/2025 AM Direct COM 560 $178.26 $99,825.60 17,367 Erickson Michael G Executive Vice President 08/12/2025 DS Direct COM 88 $649.85 $57,116.68 11,287 Erickson Michael G Executive Vice President 08/12/2025 DS Direct COM 318 $649.99 $206,696.82 11,375 Hunt Nimrata Executive Vice President 08/11/2025 DS Direct COM 1,200 $656.53 $787,840.20 16,807 Mazelsky Jonathan Jay President and CEO 08/08/2025 AM Direct COM 183 $598.49 $109,523.30 83,494 Underberg Sharon E. EVP, GC & Corporate Secretary 08/08/2025 DS Direct COM 5,450 $651.60 $3,551,220.00 6,156 Underberg Sharon E. EVP, GC & Corporate Secretary 08/08/2025 AM Direct COM 5,450 $206.94 $1,127,823.00 11,606 Emerson Andrew EVP, CFO and Treasurer 08/07/2025 DF Direct COM 402 $650.06 $261,324.12 3,871 Emerson Andrew EVP, CFO and Treasurer 08/07/2025 AM Direct COM 1,849 $141.60 $261,818.40 4,273 Lane Michael Executive Vice President 08/06/2025 DS Direct COM 300 $628.89 $188,665.98 7,132 Lane Michael Executive Vice President 08/06/2025 DS Direct COM 2,480 $627.99 $1,557,417.93 7,432 Lane Michael Executive Vice President 08/06/2025 DS Direct COM 5,631 $627.56 $3,533,809.51 9,912 Lane Michael Executive Vice President 08/06/2025 AM Direct COM 7,125 $288.78 $2,057,557.50 15,543 Lane Michael Executive Vice President 08/06/2025 AM Direct COM 1,286 $206.94 $266,124.84 8,418 Mazelsky Jonathan Jay President and CEO 08/06/2025 DS Direct COM 660 $639.37 $421,985.39 83,311
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Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Szostak M Anne Director 08/22/2025 AG Indirect COM 259 $0.00 $0.00 259 Underberg Sharon E. EVP, GC & Corporate Secretary 02/14/2025 AA Direct COM 218 $0.00 $0.00 6,346 Underberg Sharon E. EVP, GC & Corporate Secretary 02/14/2025 AA Direct COM 176 $0.00 $0.00 6,128 Underberg Sharon E. EVP, GC & Corporate Secretary 02/14/2025 AA Direct COM 173 $0.00 $0.00 5,952 Underberg Sharon E. EVP, GC & Corporate Secretary 02/14/2025 AA Direct COM 137 $0.00 $0.00 5,779 Ayers Jonathan W Director 09/06/2024 AG Indirect COM 112,605 $0.00 $0.00 122,605 Ayers Jonathan W Director 09/06/2024 AG Indirect COM 419,574 $0.00 $0.00 419,574 Szostak M Anne Director 09/05/2024 AG Indirect COM 500 $0.00 $0.00 500 Szostak M Anne Director 05/08/2024 AG Indirect COM 257 $0.00 $0.00 6,561 Hunt Nimrata Executive Vice President 02/14/2024 AA Direct COM 208 $0.00 $0.00 11,939 Underberg Sharon E. EVP, GC & Corporate Secretary 02/14/2024 AA Direct COM 176 $0.00 $0.00 5,468 Underberg Sharon E. EVP, GC & Corporate Secretary 02/14/2024 AA Direct COM 173 $0.00 $0.00 5,292 Underberg Sharon E. EVP, GC & Corporate Secretary 02/14/2024 AA Direct COM 138 $0.00 $0.00 5,119 Underberg Sharon E. EVP, GC & Corporate Secretary 02/14/2024 AA Direct COM 216 $0.00 $0.00 4,981 Underberg Sharon E. EVP, GC & Corporate Secretary 02/14/2024 AA Direct COM 483 $0.00 $0.00 4,765 Junius Daniel M Director 01/30/2024 AA Direct COM 14 $521.03 $7,294.42 3,042 Junius Daniel M Director 10/30/2023 AA Direct COM 19 $396.39 $7,531.41 3,028
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Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Smith Martin Alexander Executive Vice President 09/01/2025 DF Direct COM 5 $647.09 $3,235.45 1,434 Szostak M Anne Director 08/22/2025 DG Indirect COM 259 $0.00 $0.00 1,542 Szostak M Anne Director 08/22/2025 DS Direct COM 2,187 $647.33 $1,415,700.21 262 Mazelsky Jonathan Jay President and CEO 08/15/2025 DG Direct COM 1,051 $0.00 $0.00 82,443 Erickson Michael G Executive Vice President 08/12/2025 DS Direct COM 88 $649.85 $57,116.68 11,287 Erickson Michael G Executive Vice President 08/12/2025 DS Direct COM 318 $649.99 $206,696.82 11,375 Hunt Nimrata Executive Vice President 08/11/2025 DS Direct COM 1,200 $656.53 $787,840.20 16,807 Underberg Sharon E. EVP, GC & Corporate Secretary 08/08/2025 DS Direct COM 5,450 $651.60 $3,551,220.00 6,156 Emerson Andrew EVP, CFO and Treasurer 08/07/2025 DF Direct COM 402 $650.06 $261,324.12 3,871 Lane Michael Executive Vice President 08/06/2025 DS Direct COM 300 $628.89 $188,665.98 7,132 Lane Michael Executive Vice President 08/06/2025 DS Direct COM 2,480 $627.99 $1,557,417.93 7,432 Lane Michael Executive Vice President 08/06/2025 DS Direct COM 5,631 $627.56 $3,533,809.51 9,912 Mazelsky Jonathan Jay President and CEO 08/06/2025 DS Direct COM 660 $639.37 $421,985.39 83,311 Mazelsky Jonathan Jay President and CEO 08/06/2025 DS Direct COM 880 $636.81 $560,391.30 83,971 Mazelsky Jonathan Jay President and CEO 08/06/2025 DS Direct COM 1,822 $636.15 $1,159,068.40 84,851 Mazelsky Jonathan Jay President and CEO 08/06/2025 DS Direct COM 3,526 $635.13 $2,239,457.10 86,673 Mazelsky Jonathan Jay President and CEO 08/06/2025 DS Direct COM 3,000 $632.56 $1,897,689.00 90,199 Mazelsky Jonathan Jay President and CEO 08/06/2025 DS Direct COM 7,299 $631.61 $4,610,095.84 93,199 Mazelsky Jonathan Jay President and CEO 08/06/2025 DS Direct COM 6,056 $630.59 $3,818,874.24 100,498 Mazelsky Jonathan Jay President and CEO 08/06/2025 DS Direct COM 3,397 $629.82 $2,139,508.05 106,554 Mazelsky Jonathan Jay President and CEO 08/06/2025 DS Direct COM 1,525 $628.27 $958,114.80 109,951 Mazelsky Jonathan Jay President and CEO 08/06/2025 DS Direct COM 1,095 $626.90 $686,458.13 111,476 Hunt Nimrata Executive Vice President 08/06/2025 DS Direct COM 1,218 $630.69 $768,179.32 18,007 Hunt Nimrata Executive Vice President 08/06/2025 DS Direct COM 2,907 $630.91 $1,834,051.59 19,225 Hunt Nimrata Executive Vice President 08/06/2025 DS Direct COM 3,018 $629.87 $1,900,932.57 22,132
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Filer's Name
Relationship/ Title
Trans.
Date
Trans. Type
Ownership Type
Security Type
Shares
Price
Trans.
Value
Total Shares Owned
Smith Martin Alexander Executive Vice President 09/01/2025 AM Direct COM 18 $0.00 $0.00 1,439 Szostak M Anne Director 08/22/2025 AM Direct COM 2,187 $206.62 $451,877.94 2,449 Underberg Sharon E. EVP, GC & Corporate Secretary 08/12/2025 AM Direct COM 183 $544.08 $99,566.64 6,339 Hunt Nimrata Executive Vice President 08/12/2025 AM Direct COM 183 $544.08 $99,566.64 18,033 Hunt Nimrata Executive Vice President 08/12/2025 AM Direct COM 483 $206.94 $99,952.02 17,850 Hunt Nimrata Executive Vice President 08/12/2025 AM Direct COM 560 $178.26 $99,825.60 17,367 Mazelsky Jonathan Jay President and CEO 08/08/2025 AM Direct COM 183 $598.49 $109,523.30 83,494 Underberg Sharon E. EVP, GC & Corporate Secretary 08/08/2025 AM Direct COM 5,450 $206.94 $1,127,823.00 11,606 Emerson Andrew EVP, CFO and Treasurer 08/07/2025 AM Direct COM 1,849 $141.60 $261,818.40 4,273 Lane Michael Executive Vice President 08/06/2025 AM Direct COM 7,125 $288.78 $2,057,557.50 15,543 Lane Michael Executive Vice President 08/06/2025 AM Direct COM 1,286 $206.94 $266,124.84 8,418 Mazelsky Jonathan Jay President and CEO 08/06/2025 AM Direct COM 29,260 $67.85 $1,985,291.00 112,571 Hunt Nimrata Executive Vice President 08/06/2025 AM Direct COM 5,711 $206.94 $1,181,834.34 25,150 Hunt Nimrata Executive Vice President 08/06/2025 AM Direct COM 5,865 $178.26 $1,045,494.90 19,439 Hunt Nimrata Executive Vice President 08/06/2025 AM Direct COM 1,218 $141.60 $172,468.80 13,574 Johnson Michael Perkins Executive Vice President 06/01/2025 AM Direct COM 3,382 $0.00 $0.00 3,864 Szostak M Anne Director 05/21/2025 AM Direct COM 1,046 $160.28 $167,652.88 1,308 Junius Daniel M Director 05/13/2025 AM Direct COM 1,279 $283.59 $362,711.61 5,987 Junius Daniel M Director 05/13/2025 AM Direct COM 1,404 $245.79 $345,089.16 4,708 Vandebroek Sophie V. Director 05/09/2025 AM Direct COM 1,279 $283.59 $362,711.61 2,446 Essig Stuart Director 05/06/2025 AM Direct COM 262 $0.00 $0.00 2,236 Junius Daniel M Director 05/06/2025 AM Direct COM 262 $0.00 $0.00 3,304 Kingsley Lawrence D Director 05/06/2025 AM Direct COM 84 $0.00 $0.00 9,229 Kingsley Lawrence D Director 05/06/2025 AM Direct COM 262 $0.00 $0.00 9,145 Szostak M Anne Director 05/06/2025 AM Direct COM 262 $0.00 $0.00 262
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Transaction Type Key
First letter: A = Acquired, D = Disposed
Second letter:
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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