Insider at

04

Insider transactions

05
0 buys (P) 1 sells (S) Net: $-1,016,835 + 62 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

62 other filings hidden
DateTickerCodeSharesPriceValue Owned afterΔ ownA/Dvs now
Sept. 24, 2026 CIEN S 2,857 $355.91 $1,016,835 8,279 Indirect -25.66% Disposed 9.5% (price as of 2026-10-05)
Sept. 24, 2025 CIEN S 8,461 $140.12 $1,185,555 54,624 Direct -13.41% Disposed 178.1% (price as of 2026-10-05)
Jan. 6, 2025 CIEN S 16,912 $84.96 $1,436,844 59,347 Direct -22.18% Disposed 358.7% (price as of 2026-10-05)
May 17, 2024 IDXX S 200 $540.80 $108,160 161 Direct -55.40% Disposed -2.5% (price as of 2026-10-05)
Feb. 16, 2021 IDXX S 6,745 $536.89 $3,621,323 586 Direct -92.01% Disposed -1.8% (price as of 2026-10-05)
Feb. 16, 2021 IDXX S 586 $537.19 $314,793 0 Direct -100.00% Disposed -1.9% (price as of 2026-10-05)
Aug. 18, 2020 IDXX S 5,629 $385.11 $2,167,784 304 Direct -94.88% Disposed 36.9% (price as of 2026-10-05)
Aug. 14, 2020 IDXX S 1,111 $378.08 $420,047 304 Direct -78.52% Disposed 39.4% (price as of 2026-10-05)
July 8, 2020 CIEN S 10b5-1 18,600 $56.22 $1,045,692 70,788 Direct -20.81% Disposed 593.2% (price as of 2026-10-05)
Dec. 12, 2019 CIEN S 10b5-1 5,262 $40.00 $210,480 83,710 Direct -5.91% Disposed 874.2% (price as of 2026-10-05)
Aug. 3, 2018 IDXX P 415 $242.12 $100,480 1,415 Direct +41.50% Acquired 117.7% (price as of 2026-10-05)
Feb. 7, 2018 IDXX P 1,000 $179.58 $179,580 1,000 Direct · Acquired 193.5% (price as of 2026-10-05)
April 10, 2017 AMD S 10b5-1 20,000 $13.33 $266,600 638,902 Direct -3.04% Disposed 4639.3% (price as of 2026-10-05)
March 10, 2017 AMD S 10b5-1 20,000 $13.58 $271,600 658,902 Direct -2.95% Disposed 4552.1% (price as of 2026-10-05)
Feb. 10, 2017 AMD S 10b5-1 20,000 $13.51 $270,200 678,902 Direct -2.86% Disposed 4576.2% (price as of 2026-10-05)
Jan. 10, 2017 AMD S 10b5-1 20,000 $11.51 $230,200 698,902 Direct -2.78% Disposed 5388.7% (price as of 2026-10-05)
Dec. 12, 2016 AMD S 10b5-1 20,000 $10.76 $215,200 718,902 Direct -2.71% Disposed 5771.3% (price as of 2026-10-05)
Feb. 22, 2016 CIEN S 10b5-1 800 $20.00 $16,000 58,562 Direct -1.35% Disposed 1848.5% (price as of 2026-10-05)
Dec. 21, 2015 CIEN S 10b5-1 400 $20.00 $8,000 59,362 Direct -0.67% Disposed 1848.5% (price as of 2026-10-05)
Nov. 12, 2015 CIEN S 10b5-1 400 $23.54 $9,416 59,762 Direct -0.66% Disposed 1555.4% (price as of 2026-10-05)
Oct. 12, 2015 CIEN S 10b5-1 400 $22.76 $9,104 60,162 Direct -0.66% Disposed 1612.2% (price as of 2026-10-05)
Sept. 14, 2015 CIEN S 10b5-1 400 $22.17 $8,868 60,562 Direct -0.66% Disposed 1657.7% (price as of 2026-10-05)
Aug. 12, 2015 CIEN S 10b5-1 400 $22.86 $9,144 60,962 Direct -0.65% Disposed 1604.7% (price as of 2026-10-05)
July 13, 2015 CIEN S 10b5-1 400 $23.92 $9,568 61,362 Direct -0.65% Disposed 1529.1% (price as of 2026-10-05)
June 12, 2015 CIEN S 10b5-1 400 $25.33 $10,132 61,762 Direct -0.64% Disposed 1438.5% (price as of 2026-10-05)
May 12, 2015 CIEN S 10b5-1 400 $21.94 $8,776 62,162 Direct -0.64% Disposed 1676.2% (price as of 2026-10-05)
April 13, 2015 CIEN S 10b5-1 400 $20.00 $8,000 62,562 Direct -0.64% Disposed 1848.5% (price as of 2026-10-05)
March 12, 2014 CIEN S 10b5-1 400 $22.88 $9,152 46,914 Direct -0.85% Disposed 1603.2% (price as of 2026-10-05)
Feb. 12, 2014 CIEN S 10b5-1 400 $22.75 $9,100 47,314 Direct -0.84% Disposed 1612.9% (price as of 2026-10-05)
Jan. 13, 2014 CIEN S 10b5-1 400 $22.91 $9,164 47,714 Direct -0.83% Disposed 1601.0% (price as of 2026-10-05)
Dec. 12, 2013 CIEN S 10b5-1 400 $22.20 $8,880 48,114 Direct -0.82% Disposed 1655.4% (price as of 2026-10-05)
Nov. 12, 2013 CIEN S 10b5-1 400 $23.30 $9,320 48,514 Direct -0.82% Disposed 1572.5% (price as of 2026-10-05)
Oct. 14, 2013 CIEN S 10b5-1 400 $26.14 $10,456 48,914 Direct -0.81% Disposed 1390.8% (price as of 2026-10-05)
Sept. 12, 2013 CIEN S 10b5-1 400 $24.83 $9,932 49,314 Direct -0.80% Disposed 1469.4% (price as of 2026-10-05)
Aug. 12, 2013 CIEN S 10b5-1 400 $22.50 $9,000 49,714 Direct -0.80% Disposed 1632.0% (price as of 2026-10-05)
July 12, 2013 CIEN S 10b5-1 400 $21.71 $8,684 50,114 Direct -0.79% Disposed 1695.0% (price as of 2026-10-05)
June 12, 2013 CIEN S 10b5-1 400 $20.22 $8,088 50,514 Direct -0.79% Disposed 1827.3% (price as of 2026-10-05)
June 10, 2013 CIEN S 10b5-1 400 $20.00 $8,000 50,914 Direct -0.78% Disposed 1848.5% (price as of 2026-10-05)

Showing latest 100 of 160 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.

06
DateTickerSecurityUnderlying Exercise priceExpirationSharesA/D
May 12, 2026 IDXX Deferred Stock Unit Common Stock (234) · · 234 Acquired
May 12, 2026 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (525) $533.92 May 11, 2036 525 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, 2024 IDXX Deferred 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 Deferred 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, 2022 IDXX Deferred Stock Unit Common Stock (344) · · 344 Acquired
May 11, 2022 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (945) $333.90 May 10, 2032 945 Acquired
Oct. 11, 2021 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (1,921) $160.28 May 2, 2027 1,921 Disposed
May 12, 2021 IDXX Restricted Stock Unit Common Stock (224) · · 224 Acquired
May 12, 2021 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (723) $512.31 May 11, 2031 723 Acquired
Feb. 16, 2021 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (5,902) $85.00 May 3, 2026 5,902 Disposed
Feb. 16, 2021 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (1,125) $160.28 May 2, 2027 1,125 Disposed
Aug. 17, 2020 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (5,629) $70.54 Aug. 31, 2025 5,629 Disposed
May 6, 2020 IDXX Deferred Stock Unit Common Stock (370) · · 370 Acquired
May 6, 2020 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (1,279) $283.59 May 5, 2030 1,279 Acquired
May 8, 2019 IDXX Deferred Stock Unit Common Stock (427) · · 427 Acquired
May 8, 2019 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (1,404) $245.79 May 7, 2029 1,404 Acquired
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
May 3, 2017 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (3,046) $160.28 May 2, 2027 3,046 Acquired
May 3, 2017 IDXX Deferred Stock Unit Common Stock (289) · · 289 Acquired
May 12, 2016 AMD RSU Award Common Stock (55,208) · · 55,208 Acquired
May 4, 2016 IDXX Non-Qualified Stock Option (right-to-buy) Common Stock (5,902) $85.00 May 3, 2026 5,902 Acquired
May 4, 2016 IDXX Deferred Stock Unit Common Stock (515) · · 515 Acquired
April 29, 2016 AMD Restricted Stock Units Common Stock (144,089) · · 144,089 Disposed
Sept. 1, 2015 IDXX Non-Qualified Stock Option (Right to Buy) [F1] Common Stock (5,629) $70.54 Aug. 31, 2025 5,629 Acquired
Sept. 1, 2015 IDXX Deferred Stock Unit [F1] Common Stock (503) · · 503 Acquired
May 8, 2015 AMD Restricted Stock Units Common Stock (92,687) · · 92,687 Acquired
April 29, 2015 AMD RSU Award Common Stock (144,089) · · 144,089 Disposed
May 16, 2014 AMD Restricted Stock Units Common Stock (138,538) · · 138,538 Disposed
May 8, 2014 AMD RSU Award Common Stock (92,687) · · 92,687 Acquired
May 3, 2014 AMD Restricted Stock Units Common Stock (18,083) $0.00 May 3, 2018 18,083 Disposed
Jan. 10, 2014 AMD Restricted Stock Units Common Stock (3,450) $0.00 Jan. 10, 2018 3,450 Disposed
May 20, 2013 AMD Restricted Stock Units Common Stock (18,754) $0.00 May 20, 2017 18,754 Disposed
May 16, 2013 AMD RSU Award Common Stock (138,538) · May 16, 2020 138,538 Acquired
May 10, 2013 AMD Restricted Stock Units Common Stock (45,120) $0.00 May 10, 2019 45,120 Disposed
May 3, 2013 AMD Restricted Stock Units Common Stock (18,083) $0.00 May 3, 2018 18,083 Disposed
Jan. 10, 2013 AMD Restricted Stock Units Common Stock (3,448) $0.00 Jan. 10, 2018 3,448 Disposed
May 20, 2012 AMD Restricted Stock Units Common Stock (18,748) $0.00 May 20, 2017 18,748 Disposed
May 10, 2012 AMD RSU Award Common Stock (45,120) · May 10, 2019 45,120 Acquired
May 7, 2012 AMD Restricted Stock Units Common Stock (41,676) $0.00 May 7, 2016 41,676 Disposed
May 3, 2012 AMD Restricted Stock Units Common Stock (18,082) $0.00 May 3, 2018 18,082 Disposed
March 15, 2012 AMD Restricted Stock Units Common Stock (11,730) $0.00 March 15, 2016 11,730 Disposed
Jan. 10, 2012 AMD Restricted Stock Units Common Stock (3,447) $0.00 Jan. 10, 2018 3,447 Disposed
May 8, 2011 AMD Restricted Stock Units Common Stock (5,209) $0.00 May 8, 2015 5,209 Disposed
May 7, 2011 AMD Restricted Stock Units Common Stock (41,662) $0.00 May 7, 2016 41,662 Disposed
May 3, 2011 AMD RSU Award Common Stock (54,248) · May 3, 2018 54,248 Acquired
May 3, 2011 AMD RSU Award Common Stock (54,248) · May 3, 2018 54,248 Acquired
March 15, 2011 AMD Restricted Stock Units Common Stock (11,385) $0.00 March 15, 2016 11,385 Disposed
Jan. 10, 2011 AMD Restricted Stock Units Common Stock (10,345) · Jan. 10, 2018 10,345 Acquired
May 20, 2010 AMD Restricted Stock Units Common Stock (56,250) · May 20, 2017 56,250 Acquired
May 8, 2010 AMD Restricted Stock Units Common Stock (5,208) $0.00 May 8, 2015 5,208 Disposed
May 7, 2010 AMD Restricted Stock Units Common Stock (41,662) $0.00 May 7, 2016 41,662 Disposed
May 3, 2010 AMD Restricted Stock Units Common Stock (4,167) $0.00 May 3, 2014 4,167 Disposed
March 15, 2010 AMD Restricted Stock Units Common Stock (11,385) $0.00 March 15, 2016 11,385 Disposed
May 8, 2009 AMD Restricted Stock Units Common Stock (5,208) $0.00 May 8, 2018 5,208 Disposed
May 7, 2009 AMD RSU Award Common Stock (125,000) · May 7, 2019 125,000 Acquired
May 3, 2009 AMD Restricted Stock Units Common Stock (4,167) $0.00 May 3, 2017 4,167 Disposed
March 15, 2009 AMD RSU Award Common Stock (34,500) · March 15, 2019 34,500 Acquired
May 8, 2008 AMD RSU Award Common Stock (15,625) · May 8, 2018 15,625 Acquired
May 3, 2008 AMD Restricted Stock Units Common Stock (4,166) $0.00 May 3, 2017 4,166 Disposed

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