Stuart Essig

CIK 1187574 · View on SEC EDGAR ↗

Insider

First SEC filing: May 14, 2026 · Latest: May 14, 2026

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Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 80 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

80 other filings hidden
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
May 23, 2024 IART P 52,641 $28.49 $1,499,742 487,922 Direct +12.09% Acquired -36.3% (price as of 2026-08-19)
March 18, 2021 IART S 214,553 $68.14 $14,619,641 0 Indirect -100.00% Disposed -73.4% (price as of 2026-08-19)
May 28, 2020 IART S 11,626 $52.40 $609,202 923,706 Direct -1.24% Disposed -65.4% (price as of 2026-08-19)
May 27, 2020 IART S 89,479 $52.13 $4,664,540 935,332 Direct -8.73% Disposed -65.2% (price as of 2026-08-19)
May 26, 2020 IART S 46,807 $52.08 $2,437,709 1,024,811 Direct -4.37% Disposed -65.2% (price as of 2026-08-19)
May 12, 2020 IART S 2,087 $52.07 $108,670 1,065,660 Direct -0.20% Disposed -65.2% (price as of 2026-08-19)
July 24, 2018 IART S 10b5-1 50,423 $63.56 $3,204,886 1,418,919 Direct -3.43% Disposed -71.5% (price as of 2026-08-19)
July 23, 2018 IART S 10b5-1 19,448 $63.50 $1,234,948 1,418,919 Direct -1.35% Disposed -71.4% (price as of 2026-08-19)
July 17, 2018 IART S 10b5-1 31,353 $63.50 $1,990,916 1,418,919 Direct -2.16% Disposed -71.4% (price as of 2026-08-19)
July 10, 2018 IART S 10b5-1 39,652 $63.79 $2,529,401 1,418,919 Direct -2.72% Disposed -71.6% (price as of 2026-08-19)
July 9, 2018 IART S 10b5-1 120,100 $64.08 $7,696,008 1,418,919 Direct -7.80% Disposed -71.7% (price as of 2026-08-19)
May 25, 2017 IART S 10b5-1 135,000 $49.90 $6,736,500 2,077,475 Direct -6.10% Disposed -63.6% (price as of 2026-08-19)
May 23, 2017 IART S 10b5-1 95,429 $48.01 $4,581,546 1,997,544 Direct -4.56% Disposed -62.2% (price as of 2026-08-19)
May 22, 2017 IART S 10b5-1 44,571 $48.01 $2,139,854 1,928,764 Direct -2.26% Disposed -62.2% (price as of 2026-08-19)
April 27, 2016 IART S 10b5-1 104,390 $70.15 $7,322,958 960,319 Direct -9.80% Disposed -48.3% (price as of 2026-08-19)
April 6, 2016 IART S 10b5-1 21,100 $66.19 $1,396,609 960,319 Direct -2.15% Disposed -45.2% (price as of 2026-08-19)
April 5, 2016 IART S 10b5-1 41,140 $66.08 $2,718,531 960,319 Direct -4.11% Disposed -45.1% (price as of 2026-08-19)
April 4, 2016 IART S 10b5-1 42,150 $67.26 $2,835,009 960,319 Direct -4.20% Disposed -46.1% (price as of 2026-08-19)
May 7, 2015 IART S 75,000 $64.32 $4,824,000 956,809 Direct -7.27% Disposed -43.6% (price as of 2026-08-19)
May 6, 2015 IART S 49,100 $64.77 $3,180,207 956,809 Direct -4.88% Disposed -44.0% (price as of 2026-08-19)

Showing latest 100 of 315 transactions

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
June 1, 2026 IART Restricted Stock Units Common Stock (365,297) — — 365,297 Acquired
June 1, 2026 IART Non-Qualified Stock Option (right to buy) Common Stock (705,468) $15.67 June 1, 2034 705,468 Acquired
May 12, 2026 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (525) $533.92 May 11, 2036 525 Acquired
May 12, 2026 IDXX Restricted Stock Unit Common Stock (234) — — 234 Acquired
May 7, 2025 IDXX Deferred Stock Unit Common Stock (257) — — 257 Acquired
May 7, 2025 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (600) $486.61 May 6, 2035 600 Acquired
May 6, 2025 IDXX Restricted Stock Unit Common Stock (262) — — 262 Disposed
May 6, 2024 IDXX Restricted Stock Unit Common Stock (257) — — 257 Disposed
May 6, 2024 IDXX Restricted Stock Unit Common Stock (262) — — 262 Acquired
May 6, 2024 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (609) $476.87 May 5, 2034 609 Acquired
May 17, 2023 IDXX Restricted Stock Unit Common Stock (257) — — 257 Acquired
May 17, 2023 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (645) $487.12 May 16, 2033 645 Acquired
May 11, 2023 IDXX Restricted Stock Unit Common Stock (344) — — 344 Disposed
July 24, 2018 IART Non-Qualified Stock Option (right to buy) Common Stock (50,423) $21.12 Aug. 14, 2018 50,423 Disposed
July 23, 2018 IART Non-Qualified Stock Option (right to buy) Common Stock (19,448) $21.12 Aug. 14, 2018 19,448 Disposed
July 17, 2018 IART Non-Qualified Stock Option (right to buy) Common Stock (31,353) $21.12 Aug. 14, 2018 31,353 Disposed
July 10, 2018 IART Non-Qualified Stock Option (right to buy) Common Stock (39,652) $21.12 Aug. 14, 2018 39,652 Disposed
July 9, 2018 IART Non-Qualified Stock Option (right to buy) Common Stock (120,100) $21.12 Aug. 14, 2018 120,100 Disposed
May 9, 2018 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (2,187) $206.62 May 8, 2028 2,187 Acquired
May 9, 2018 IDXX Deferred Stock Unit Common Stock (224) — — 224 Acquired
Sept. 1, 2017 IDXX Non-Qualified Stock Option (right-to-buy) [F1] Common Stock (2,532) $154.98 Aug. 31, 2027 2,532 Acquired
Sept. 1, 2017 IDXX Deferred Stock Unit [F1] Common Stock (240) — — 240 Acquired
May 25, 2017 IART Non-Qualified Stock Option (right to buy) Common Stock (73,780) $17.45 Dec. 18, 2017 73,780 Disposed
May 25, 2017 IART Non-Qualified Stock Option (right to buy) Common Stock (135,000) $17.45 Dec. 18, 2017 135,000 Disposed
May 23, 2017 IART Non-Qualified Stock Option (right to buy) Common Stock (95,429) $17.45 Dec. 18, 2017 95,429 Disposed
May 23, 2017 IART Non-Qualified Stock Option (right to buy) Common Stock (68,780) $17.45 Dec. 18, 2017 68,780 Disposed
May 22, 2017 IART Non-Qualified Stock Option (right to buy) Common Stock (44,571) $17.45 Dec. 18, 2017 44,571 Disposed
April 27, 2016 IART Non-Qualified Stock Option (right to buy) Common Stock (104,390) $36.80 Dec. 19, 2016 104,390 Disposed
April 6, 2016 IART Non-Qualified Stock Option (right to buy) Common Stock (21,100) $36.80 Dec. 19, 2016 21,100 Disposed
April 5, 2016 IART Non-Qualified Stock Option (right to buy) Common Stock (41,140) $36.80 Dec. 19, 2016 41,140 Disposed
April 4, 2016 IART Non-Qualified Stock Option (right to buy) Common Stock (42,150) $36.80 Dec. 19, 2016 42,150 Disposed
May 7, 2015 IART Non-Qualified Stock Option (right to buy) Common Stock (75,000) $35.57 Dec. 19, 2015 75,000 Disposed
May 6, 2015 IART Non-Qualified Stock Option (right to buy) Common Stock (49,100) $35.57 Dec. 19, 2015 49,100 Disposed
May 5, 2015 IART Non-Qualified Stock Option (right to buy) Common Stock (75,900) $35.57 Dec. 19, 2015 75,900 Disposed
Oct. 29, 2014 IART Non-Qualified Stock Option (right to buy) Common Stock (52,902) $34.49 Dec. 17, 2014 52,902 Disposed
Oct. 28, 2014 IART Non-Qualified Stock Option (right to buy) Common Stock (105,830) $34.49 Dec. 17, 2014 105,830 Disposed
Oct. 27, 2014 IART Non-Qualified Stock Option (right to buy) Common Stock (41,268) $34.49 Dec. 17, 2014 41,268 Disposed
June 6, 2014 IART Non-Qualified Stock Option (right to buy) Common Stock (17,900) $31.38 July 27, 2014 17,900 Disposed
Jan. 16, 2014 IART Non-Qualified Stock Option (right to buy) Common Stock (8,037) $31.38 July 27, 2014 8,037 Disposed
Jan. 14, 2014 IART Non-Qualified Stock Option (right to buy) Common Stock (10,600) $31.38 July 27, 2014 10,600 Disposed
Jan. 13, 2014 IART Non-Qualified Stock Option (right to buy) Common Stock (5,463) $31.38 July 27, 2014 5,463 Disposed
Jan. 10, 2014 IART Non-Qualified Stock Option (right to buy) Common Stock (93,569) $31.38 July 27, 2014 93,569 Disposed
Jan. 9, 2014 IART Non-Qualified Stock Option (right to buy) Common Stock (30,926) $31.38 July 27, 2014 30,926 Disposed
Jan. 8, 2014 IART Non-Qualified Stock Option (right to buy) Common Stock (83,505) $31.38 July 27, 2014 83,505 Disposed
March 28, 2013 IART Forward sale contract (obligation to sell) Common stock (500,000) — March 28, 2013 500,000 Disposed
Dec. 11, 2012 IART Restricted Units Common Stock (915,998) — — 915,998 Disposed
Dec. 11, 2012 IART Restricted Units Common Stock (750,000) — — 750,000 Disposed
Feb. 21, 2012 IART Restricted Stock Units (contract stock) Common Stock (1,585) — — 1,585 Disposed
Feb. 21, 2012 IART Restricted Stock Units (contract stock) Common Stock (75,000) — — 75,000 Acquired
Dec. 20, 2011 IART Restricted Stock Units (contract stock) Common Stock (1,528) $0.00 — 1,528 Disposed
Dec. 15, 2011 IART Restricted Stock Units (Contract Stock) Common Stock (764) $0.00 — 764 Disposed
May 17, 2011 IART Restricted Stock Units (Contract Stock) Common Stock (3,487) — — 3,487 Disposed
May 17, 2011 IART Restricted Stock Units (Contract Stock) Common Stock (165,000) — — 165,000 Acquired
Dec. 15, 2010 IART Restricted Units Common Stock (108,362) $0.00 — 108,362 Acquired
March 4, 2010 IART Non-qualified Stock Option (right to buy) Common Stock (145,473) $11.00 Dec. 22, 2010 145,473 Disposed
March 4, 2010 IART Non-Qualified Stock Option (right to buy) Common Stock (136,613) $11.00 Dec. 22, 2010 136,613 Disposed
Dec. 17, 2009 IART Restricted Units Common Stock (100,000) $0.00 — 100,000 Acquired
Dec. 7, 2009 IART Non-Qualified Stock Option (right to buy) Common Stock (21,005) $28.78 Jan. 2, 2010 21,005 Disposed
Dec. 7, 2009 IART Incentive Stock Option (right to buy) Common Stock (3,995) $28.78 Jan. 2, 2010 3,995 Disposed
Dec. 18, 2008 IART Restricted Units Common Stock (100,000) $0.00 — 100,000 Acquired
Aug. 19, 2008 IART Non-Qualified Stock option (right to buy) Common Stock (30,543) $17.65 Dec. 31, 2008 30,543 Disposed
Aug. 19, 2008 IART Non-Qualified Stock Option Right to Buy Common Stock (5,665) $17.65 Dec. 31, 2008 5,665 Disposed
Aug. 14, 2008 IART Non-Qualified Stock Option (right to buy) Common Stock (125,000) $48.82 Aug. 14, 2018 125,000 Acquired
Aug. 6, 2008 IART Restricted Units Common Stock (375,000) — — 375,000 Acquired
May 5, 2008 ZBH Phantom Stock Units [F1] Common Stock (500) — — 500 Acquired
May 5, 2008 ZBH Phantom Stock Units [F1] Common Stock (244) — — 244 Disposed
May 5, 2008 ZBH Restricted Stock Units Common Stock (1,378) — — 1,378 Acquired
May 5, 2008 ZBH Non-Employee Director Stock Option (right to buy) Common Stock (733) $72.59 May 4, 2018 733 Acquired
March 31, 2008 ZBH Phantom Stock Units [F1] Common Stock (81) — — 81 Acquired
March 4, 2008 IART Restricted Units Common Stock (500,000) — — 500,000 Disposed
Dec. 31, 2007 ZBH Phantom Stock Units [F1] Common Stock (512) — — 512 Acquired
Dec. 18, 2007 IART Non-Qualified Stock Option (right to buy) Common Stock (200,000) $40.34 Dec. 18, 2017 200,000 Acquired
Dec. 18, 2007 IART Non-Qualified Stock Option (right to buy) Common Stock (200,000) $40.34 Dec. 18, 2017 200,000 Acquired
Sept. 30, 2007 ZBH Phantom Stock Units [F1] Common Stock (379) — — 379 Acquired
Aug. 17, 2007 IART Non-Qualified Stock Option (right to buy) Common Stock (23,973) $26.34 Dec. 31, 2007 23,973 Disposed
Aug. 17, 2007 IART Incentive Stock Option (right to buy) Common Stock (7,592) $26.34 Dec. 31, 2007 7,592 Disposed
June 30, 2007 ZBH Phantom Stock Units [F1] Common Stock (317) — — 317 Acquired
May 7, 2007 ZBH Restricted Stock Units Common Stock (441) — — 441 Acquired
May 7, 2007 ZBH Non-Employee Director Stock Option (right to buy) Common Stock (1,064) $90.76 May 6, 2017 1,064 Acquired
May 7, 2007 ZBH Phantom Stock Units [F1] Common Stock (500) — — 500 Acquired
May 7, 2007 ZBH Phantom Stock Units [F1] Common Stock (355) — — 355 Disposed
March 31, 2007 ZBH Phantom Stock Units [F1] Common Stock (389) — — 389 Acquired
Dec. 31, 2006 ZBH Phantom Stock Units [F1] Common Stock (376) — — 376 Acquired
Dec. 19, 2006 IART Non-Qualified Stock Option (right to buy) Common Stock (200,000) $42.53 Dec. 19, 2016 200,000 Acquired
Sept. 30, 2006 ZBH Phantom Stock Units [F1] Common Stock (436) — — 436 Acquired
June 30, 2006 ZBH Phantom Stock Units [F1] Common Stock (408) — — 408 Acquired
May 15, 2006 IART Non-Qualified Stock Option (right to buy) Common Stock (7,084) $13.62 Dec. 30, 2006 7,084 Disposed
May 1, 2006 ZBH Restricted Stock Units Common Stock (627) — — 627 Acquired
May 1, 2006 ZBH Non-Employee Director Stock Option (right to buy) Common Stock (1,071) $63.76 April 30, 2016 1,071 Acquired
May 1, 2006 ZBH Phantom Stock Units [F1] Common Stock (500) — — 500 Acquired
May 1, 2006 ZBH Phantom Stock Units [F1] Common Stock (357) — — 357 Disposed
March 31, 2006 ZBH Phantom Stock Units [F1] Common Stock (315) — — 315 Acquired
Jan. 3, 2006 IART Restricted Units Common Stock (750,000) — — 750,000 Disposed
Dec. 31, 2005 ZBH Phantom Stock Units [F1] Common Stock (359) — — 359 Acquired
Dec. 19, 2005 IART Non-Qualified Stock Option (right to buy) Common Stock (200,000) $35.57 Dec. 19, 2015 200,000 Acquired
Sept. 30, 2005 ZBH Phantom Stock Units [F1] Common Stock (265) — — 265 Acquired
June 30, 2005 ZBH Phantom Stock Units [F1] Common Stock (217) — — 217 Acquired
May 2, 2005 ZBH Phantom Stock Units [F1] Common Stock (500) — — 500 Acquired
May 2, 2005 ZBH Non-Employee Director Stock Option (right to buy) Common Stock (245) $81.05 May 1, 2015 245 Acquired
May 2, 2005 ZBH Phantom Stock Units [F1] Common Stock (82) — — 82 Disposed

Showing latest 100 of 124 transactions

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 6 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date Ticker Security Shares Ownership
Feb. 4, 2026 PIPR Common Stock 0 Direct
Jan. 9, 2023 OFIX Common Stock 191,612 Direct
Jan. 9, 2023 OFIX Stock Option (right to buy)→ Common Stock — Direct
Jan. 9, 2023 OFIX Stock Option (right to buy)→ Common Stock — Direct
Jan. 9, 2023 OFIX Stock Option (right to buy)→ Common Stock — Direct
July 17, 2017 IDXX Common Stock 0 Direct

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

IART

Fiscal year Salary Bonus Stock awards Option awards Non-equity incentive Pension change Other Total
2012 $343,269 — $114,048 — — — $49,352 $506,669
2011 — — — — — — — —

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.