Michael G Erickson
CIK 2005385 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 14, 2025 · Latest: March 3, 2026
On this page
Insider at
Insider transactions
0 buys (P)
6 sells (S)
Net:
$-3,369,669
+ 60 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
60 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 17, 2026 | IDXX | S | 456 | $623.76 | $284,435 | 17,608 Direct | -2.52% | Disposed | -8.7% (price as of 2026-08-19) |
| Feb. 17, 2026 | IDXX | S | 204 | $625.24 | $127,549 | 17,404 Direct | -1.16% | Disposed | -8.9% (price as of 2026-08-19) |
| Feb. 17, 2026 | IDXX | S | 689 | $629.09 | $433,443 | 12,733 Direct | -5.13% | Disposed | -9.4% (price as of 2026-08-19) |
| Feb. 17, 2026 | IDXX | S | 40 | $629.86 | $25,194 | 12,693 Direct | -0.31% | Disposed | -9.6% (price as of 2026-08-19) |
| Feb. 17, 2026 | IDXX | S | 2,694 | $628.22 | $1,692,425 | 13,422 Direct | -16.72% | Disposed | -9.3% (price as of 2026-08-19) |
| Feb. 17, 2026 | IDXX | S | 1,288 | $626.26 | $806,623 | 16,116 Direct | -7.40% | Disposed | -9.0% (price as of 2026-08-19) |
| Aug. 12, 2025 | IDXX | S | 88 | $649.85 | $57,187 | 11,287 Direct | -0.77% | Disposed | -12.3% (price as of 2026-08-19) |
| Aug. 12, 2025 | IDXX | S | 318 | $649.99 | $206,697 | 11,375 Direct | -2.72% | Disposed | -12.4% (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Feb. 19, 2026 | IDXX | Incentive Stock Option (right-to-buy) | Common Stock (183) | $544.08 | Feb. 13, 2031 | 183 | Disposed |
| Feb. 19, 2026 | IDXX | Incentive Stock Option (right-to-buy) | Common Stock (197) | $505.53 | Feb. 13, 2032 | 197 | Disposed |
| Feb. 19, 2026 | IDXX | Incentive Stock Option (right-to-buy) | Common Stock (483) | $206.94 | Feb. 13, 2029 | 483 | Disposed |
| Feb. 19, 2026 | IDXX | Incentive Stock Option (right-to-buy) | Common Stock (817) | $178.26 | Feb. 13, 2028 | 817 | Disposed |
| Feb. 19, 2026 | IDXX | Incentive Stock Option (right-to-buy) | Common Stock (719) | $141.60 | Feb. 13, 2027 | 719 | Disposed |
| Feb. 17, 2026 | IDXX | Non-Qualified Stock Option (right-to-buy) | Common Stock (4,180) | $178.26 | Feb. 13, 2028 | 4,180 | Disposed |
| Feb. 17, 2026 | IDXX | Non-Qualified Stock Option (right-to-buy) | Common Stock (1,191) | $141.60 | Feb. 13, 2027 | 1,191 | Disposed |
| Feb. 14, 2026 | IDXX | Restricted Stock Unit | Common Stock (1,508) | — | — | 1,508 | Disposed |
| Feb. 14, 2026 | IDXX | Restricted Stock Unit | Common Stock (184) | — | — | 184 | Disposed |
| Feb. 14, 2026 | IDXX | Restricted Stock Unit | Common Stock (301) | — | — | 301 | Disposed |
| Feb. 14, 2026 | IDXX | Restricted Stock Unit | Common Stock (94) | — | — | 94 | Disposed |
| Feb. 14, 2026 | IDXX | Restricted Stock Unit | Common Stock (92) | — | — | 92 | Disposed |
| Feb. 14, 2026 | IDXX | Restricted Stock Unit | Common Stock (184) | — | — | 184 | Disposed |
| Feb. 12, 2026 | IDXX | Incentive Stock Option (right-to-buy) [F2] | Common Stock (162) | $617.20 | Feb. 11, 2036 | 162 | Acquired |
| Feb. 12, 2026 | IDXX | Non-Qualified Stock Option (right-to-buy) [F2] | Common Stock (13,667) | $617.20 | Feb. 11, 2036 | 13,667 | Acquired |
| Feb. 12, 2026 | IDXX | Restricted Stock Unit | Common Stock (1,580) | — | — | 1,580 | Acquired |
| Feb. 12, 2026 | IDXX | Restricted Stock Unit | Common Stock (4,739) | — | — | 4,739 | Acquired |
| Feb. 14, 2025 | IDXX | Restricted Stock Unit | Common Stock (301) | — | — | 301 | Disposed |
| Feb. 14, 2025 | IDXX | Restricted Stock Unit | Common Stock (94) | — | — | 94 | Disposed |
| Feb. 14, 2025 | IDXX | Restricted Stock Unit | Common Stock (93) | — | — | 93 | Disposed |
| Feb. 14, 2025 | IDXX | Restricted Stock Unit | Common Stock (69) | — | — | 69 | Disposed |
| Feb. 13, 2025 | IDXX | Restricted Stock Unit | Common Stock (734) | — | — | 734 | Acquired |
| Feb. 13, 2025 | IDXX | Restricted Stock Unit | Common Stock (734) | — | — | 734 | Acquired |
| Feb. 13, 2025 | IDXX | Incentive Stock Option (right-to-buy) | Common Stock (217) | $459.76 | Feb. 12, 2035 | 217 | Acquired |
| Feb. 13, 2025 | IDXX | Non-Qualified Stock Option (right-to-buy) | Common Stock (6,320) | $459.76 | Feb. 12, 2035 | 6,320 | Acquired |
| Feb. 11, 2025 | IDXX | Incentive Stock Option (right-to-buy) | Common Stock (1,544) | $67.85 | Feb. 13, 2026 | 1,544 | Disposed |
| Feb. 14, 2024 | IDXX | Restricted Stock Unit | Common Stock (95) | — | — | 95 | Disposed |
| Feb. 14, 2024 | IDXX | Restricted Stock Unit | Common Stock (93) | — | — | 93 | Disposed |
| Feb. 14, 2024 | IDXX | Restricted Stock Unit | Common Stock (69) | — | — | 69 | Disposed |
| Feb. 14, 2024 | IDXX | Restricted Stock Unit | Common Stock (97) | — | — | 97 | Disposed |
| Feb. 14, 2024 | IDXX | Restricted Stock Unit | Common Stock (108) | — | — | 108 | Disposed |
| Feb. 14, 2024 | IDXX | Restricted Stock Unit | Common Stock (1,204) | — | — | 1,204 | Acquired |
| Feb. 14, 2024 | IDXX | Incentive Stock Option (right-to-buy) | Common Stock (178) | $560.56 | Feb. 13, 2034 | 178 | Acquired |
| Feb. 14, 2024 | IDXX | Non-Qualified Stock Option (right-to-buy) | Common Stock (5,407) | $560.56 | Feb. 13, 2034 | 5,407 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 22 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 14, 2025 | IDXX | Common Stock | 9,377 | Direct |
| Jan. 5, 2024 | IDXX | Common Stock | 10,339 | Direct |
| Jan. 5, 2024 | IDXX | Restricted Stock Unit→ Common Stock (108) | 108 | Direct |
| Jan. 5, 2024 | IDXX | Restricted Stock Unit→ Common Stock (97) | 97 | Direct |
| Jan. 5, 2024 | IDXX | Restricted Stock Unit→ Common Stock (138) | 138 | Direct |
| Jan. 5, 2024 | IDXX | Restricted Stock Unit→ Common Stock (278) | 278 | Direct |
| Jan. 5, 2024 | IDXX | Restricted Stock Unit→ Common Stock (377) | 377 | Direct |
| Jan. 5, 2024 | IDXX | Restricted Stock Unit→ Common Stock (1,508) | 1,508 | Direct |
| Jan. 5, 2024 | IDXX | Incentive Stock Option (right-to-buy)→ Common Stock (1,544) | 1,544 | Direct |
| Jan. 5, 2024 | IDXX | Non-Qualified Stock Option (right-to-buy)→ Common Stock (1,191) | 1,191 | Direct |
| Jan. 5, 2024 | IDXX | Incentive Stock Option (right-to-buy)→ Common Stock (719) | 719 | Direct |
| Jan. 5, 2024 | IDXX | Non-Qualified Stock Option (right-to-buy)→ Common Stock (4,180) | 4,180 | Direct |
| Jan. 5, 2024 | IDXX | Incentive Stock Option (right-to-buy)→ Common Stock (817) | 817 | Direct |
| Jan. 5, 2024 | IDXX | Non-Qualified Stock Option (right-to-buy)→ Common Stock (4,826) | 4,826 | Direct |
| Jan. 5, 2024 | IDXX | Incentive Stock Option (right-to-buy)→ Common Stock (483) | 483 | Direct |
| Jan. 5, 2024 | IDXX | Non-Qualified Stock Option (right-to-buy)→ Common Stock (4,008) | 4,008 | Direct |
| Jan. 5, 2024 | IDXX | Non-Qualified Stock Option (right-to-buy)→ Common Stock (2,468) | 2,468 | Direct |
| Jan. 5, 2024 | IDXX | Incentive Stock Option (right-to-buy)→ Common Stock (183) | 183 | Direct |
| Jan. 5, 2024 | IDXX | Non-Qualified Stock Option (right-to-buy)→ Common Stock (3,078) | 3,078 | Direct |
| Jan. 5, 2024 | IDXX | Incentive Stock Option (right-to-buy)→ Common Stock (197) | 197 | Direct |
| Jan. 5, 2024 | IDXX | Non-Qualified Stock Option (right-to-buy)→ Common Stock (2,558) | 2,558 | Direct |
| Jan. 5, 2024 | IDXX | Incentive Stock Option (right-to-buy)→ Common Stock (201) | 201 | Direct |