Bruce L. Claflin
CIK 1403694 · View on SEC EDGAR ↗
Insider
First SEC filing: May 14, 2026 · Latest: May 14, 2026
On this page
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-1,185,555
+ 66 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
66 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 24, 2025 | CIEN | S | 8,461 | $140.12 | $1,185,555 | 54,624 Direct | -13.41% | Disposed | 179.9% (price as of 2026-08-20) |
| Jan. 6, 2025 | CIEN | S | 16,912 | $84.96 | $1,436,844 | 59,347 Direct | -22.18% | Disposed | 361.7% (price as of 2026-08-20) |
| May 17, 2024 | IDXX | S | 200 | $540.80 | $108,160 | 161 Direct | -55.40% | Disposed | 4.0% (price as of 2026-08-20) |
| July 8, 2020 | CIEN | S 10b5-1 | 18,600 | $56.22 | $1,045,692 | 70,788 Direct | -20.81% | Disposed | 597.7% (price as of 2026-08-20) |
| Dec. 12, 2019 | CIEN | S 10b5-1 | 5,262 | $40.00 | $210,480 | 83,710 Direct | -5.91% | Disposed | 880.6% (price as of 2026-08-20) |
| Aug. 3, 2018 | IDXX | P | 415 | $242.12 | $100,480 | 1,415 Direct | +41.50% | Acquired | 132.4% (price as of 2026-08-20) |
| Feb. 7, 2018 | IDXX | P | 1,000 | $179.58 | $179,580 | 1,000 Direct | — | Acquired | 213.3% (price as of 2026-08-20) |
| April 10, 2017 | AMD | S 10b5-1 | 20,000 | $13.33 | $266,600 | 638,902 Direct | -3.04% | Disposed | 3396.0% (price as of 2026-08-20) |
| March 10, 2017 | AMD | S 10b5-1 | 20,000 | $13.58 | $271,600 | 658,902 Direct | -2.95% | Disposed | 3331.6% (price as of 2026-08-20) |
| Feb. 10, 2017 | AMD | S 10b5-1 | 20,000 | $13.51 | $270,200 | 678,902 Direct | -2.86% | Disposed | 3349.4% (price as of 2026-08-20) |
| Jan. 10, 2017 | AMD | S 10b5-1 | 20,000 | $11.51 | $230,200 | 698,902 Direct | -2.78% | Disposed | 3948.8% (price as of 2026-08-20) |
| Dec. 12, 2016 | AMD | S 10b5-1 | 20,000 | $10.76 | $215,200 | 718,902 Direct | -2.71% | Disposed | 4231.0% (price as of 2026-08-20) |
| Feb. 22, 2016 | CIEN | S 10b5-1 | 800 | $20.00 | $16,000 | 58,562 Direct | -1.35% | Disposed | 1861.2% (price as of 2026-08-20) |
| Dec. 21, 2015 | CIEN | S 10b5-1 | 400 | $20.00 | $8,000 | 59,362 Direct | -0.67% | Disposed | 1861.2% (price as of 2026-08-20) |
| Nov. 12, 2015 | CIEN | S 10b5-1 | 400 | $23.54 | $9,416 | 59,762 Direct | -0.66% | Disposed | 1566.3% (price as of 2026-08-20) |
| Oct. 12, 2015 | CIEN | S 10b5-1 | 400 | $22.76 | $9,104 | 60,162 Direct | -0.66% | Disposed | 1623.4% (price as of 2026-08-20) |
| Sept. 14, 2015 | CIEN | S 10b5-1 | 400 | $22.17 | $8,868 | 60,562 Direct | -0.66% | Disposed | 1669.2% (price as of 2026-08-20) |
| Aug. 12, 2015 | CIEN | S 10b5-1 | 400 | $22.86 | $9,144 | 60,962 Direct | -0.65% | Disposed | 1615.8% (price as of 2026-08-20) |
| July 13, 2015 | CIEN | S 10b5-1 | 400 | $23.92 | $9,568 | 61,362 Direct | -0.65% | Disposed | 1539.8% (price as of 2026-08-20) |
| June 12, 2015 | CIEN | S 10b5-1 | 400 | $25.33 | $10,132 | 61,762 Direct | -0.64% | Disposed | 1448.5% (price as of 2026-08-20) |
| May 12, 2015 | CIEN | S 10b5-1 | 400 | $21.94 | $8,776 | 62,162 Direct | -0.64% | Disposed | 1687.8% (price as of 2026-08-20) |
| April 13, 2015 | CIEN | S 10b5-1 | 400 | $20.00 | $8,000 | 62,562 Direct | -0.64% | Disposed | 1861.2% (price as of 2026-08-20) |
| March 12, 2014 | CIEN | S 10b5-1 | 400 | $22.88 | $9,152 | 46,914 Direct | -0.85% | Disposed | 1614.3% (price as of 2026-08-20) |
| Feb. 12, 2014 | CIEN | S 10b5-1 | 400 | $22.75 | $9,100 | 47,314 Direct | -0.84% | Disposed | 1624.1% (price as of 2026-08-20) |
| Jan. 13, 2014 | CIEN | S 10b5-1 | 400 | $22.91 | $9,164 | 47,714 Direct | -0.83% | Disposed | 1612.1% (price as of 2026-08-20) |
| Dec. 12, 2013 | CIEN | S 10b5-1 | 400 | $22.20 | $8,880 | 48,114 Direct | -0.82% | Disposed | 1666.8% (price as of 2026-08-20) |
| Nov. 12, 2013 | CIEN | S 10b5-1 | 400 | $23.30 | $9,320 | 48,514 Direct | -0.82% | Disposed | 1583.4% (price as of 2026-08-20) |
| Oct. 14, 2013 | CIEN | S 10b5-1 | 400 | $26.14 | $10,456 | 48,914 Direct | -0.81% | Disposed | 1400.5% (price as of 2026-08-20) |
| Sept. 12, 2013 | CIEN | S 10b5-1 | 400 | $24.83 | $9,932 | 49,314 Direct | -0.80% | Disposed | 1479.7% (price as of 2026-08-20) |
| Aug. 12, 2013 | CIEN | S 10b5-1 | 400 | $22.50 | $9,000 | 49,714 Direct | -0.80% | Disposed | 1643.3% (price as of 2026-08-20) |
| July 12, 2013 | CIEN | S 10b5-1 | 400 | $21.71 | $8,684 | 50,114 Direct | -0.79% | Disposed | 1706.7% (price as of 2026-08-20) |
| June 12, 2013 | CIEN | S 10b5-1 | 400 | $20.22 | $8,088 | 50,514 Direct | -0.79% | Disposed | 1839.9% (price as of 2026-08-20) |
| June 10, 2013 | CIEN | S 10b5-1 | 400 | $20.00 | $8,000 | 50,914 Direct | -0.78% | Disposed | 1861.2% (price as of 2026-08-20) |
| April 24, 2012 | AMD | S 10b5-1 | 2,500 | $7.44 | $18,600 | 178,144 Direct | -1.38% | Disposed | 6163.6% (price as of 2026-08-20) |
Showing latest 100 of 137 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 |
|---|---|---|---|---|---|---|---|
| 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 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).