Christopher A Kuebler
CIK 1229877 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 27, 2026 · Latest: Feb. 27, 2026
On this page
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net:
$-1,442,930
+ 82 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
82 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 6, 2026 | WAT | S | 3,626 | $397.94 | $1,442,930 | 17,808 Direct | -16.92% | Disposed | 4.2% (price as of 2026-08-20) |
| May 15, 2024 | WAT | S | 4,000 | $361.64 | $1,446,560 | 14,716 Direct | -21.37% | Disposed | 14.7% (price as of 2026-08-20) |
| Aug. 4, 2023 | WAT | S | 4,000 | $291.48 | $1,165,920 | 14,382 Direct | -21.76% | Disposed | 42.3% (price as of 2026-08-20) |
| May 19, 2022 | WAT | S | 4,000 | $328.78 | $1,315,120 | 14,064 Direct | -22.14% | Disposed | 26.2% (price as of 2026-08-20) |
| Aug. 18, 2021 | WAT | S | 3,000 | $405.62 | $1,216,860 | 13,763 Direct | -17.90% | Disposed | 2.3% (price as of 2026-08-20) |
| Nov. 16, 2018 | WAT | S | 4,000 | $199.70 | $798,800 | 14,911 Direct | -21.15% | Disposed | 107.7% (price as of 2026-08-20) |
| Nov. 16, 2018 | WAT | S | 4,000 | $199.64 | $798,560 | 14,911 Direct | -21.15% | Disposed | 107.8% (price as of 2026-08-20) |
| March 9, 2018 | WAT | S | 3,584 | $209.10 | $749,414 | 14,911 Direct | -19.38% | Disposed | 98.4% (price as of 2026-08-20) |
| March 9, 2018 | WAT | S | 3,500 | $209.10 | $731,850 | 14,911 Direct | -19.01% | Disposed | 98.4% (price as of 2026-08-20) |
| March 8, 2018 | WAT | S | 416 | $209.00 | $86,944 | 14,911 Direct | -2.71% | Disposed | 98.5% (price as of 2026-08-20) |
| March 7, 2018 | NKTR | S | 37,400 | $97.41 | $3,643,134 | 40,500 Direct | -48.01% | Disposed | -94.9% (price as of 2026-08-20) |
| March 6, 2018 | NKTR | S | 2,600 | $100.30 | $260,780 | 40,500 Direct | -6.03% | Disposed | -95.0% (price as of 2026-08-20) |
| Jan. 2, 2018 | NKTR | S 10b5-1 | 30,000 | $58.66 | $1,759,800 | 40,500 Direct | -42.55% | Disposed | -91.5% (price as of 2026-08-20) |
| Sept. 22, 2017 | NKTR | S 10b5-1 | 4,000 | $21.86 | $87,440 | 40,500 Direct | -8.99% | Disposed | -77.2% (price as of 2026-08-20) |
| Aug. 8, 2017 | WAT | S | 3,500 | $179.67 | $628,845 | 14,349 Direct | -19.61% | Disposed | 130.9% (price as of 2026-08-20) |
| April 5, 2017 | NKTR | S 10b5-1 | 15,000 | $21.88 | $328,200 | 35,500 Direct | -29.70% | Disposed | -77.2% (price as of 2026-08-20) |
| Sept. 16, 2016 | NKTR | S 10b5-1 | 7,500 | $19.13 | $143,475 | 27,500 Direct | -21.43% | Disposed | -73.9% (price as of 2026-08-20) |
| May 4, 2016 | WAT | S | 4,000 | $129.88 | $519,520 | 16,461 Direct | -19.55% | Disposed | 219.4% (price as of 2026-08-20) |
Showing latest 100 of 169 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 |
|---|---|---|---|---|---|---|---|
| Aug. 6, 2026 | WAT | Stock Option (Right to Buy) | Common Stock (3,626) | $136.43 | Jan. 3, 2027 | 3,626 | Disposed |
| Feb. 25, 2026 | WAT | Stock Option (Right to Buy) | Common Stock (57) | $319.44 | Feb. 25, 2036 | 57 | Acquired |
| Jan. 2, 2026 | WAT | Stock Option (Right to Buy) | Common Stock (828) | $381.96 | Jan. 2, 2036 | 828 | Acquired |
| Nov. 5, 2025 | WAT | Stock Option (Right to Buy) | Common Stock (3,761) | $130.35 | Jan. 4, 2026 | 3,761 | Disposed |
| Jan. 2, 2025 | WAT | Stock Option (Right to Buy) | Common Stock (818) | $368.26 | Jan. 2, 2035 | 818 | Acquired |
| May 15, 2024 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $113.88 | Jan. 2, 2025 | 4,000 | Disposed |
| Jan. 2, 2024 | WAT | Stock Option (Right to Buy) | Common Stock (847) | $328.62 | Jan. 3, 2034 | 847 | Acquired |
| Aug. 4, 2023 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $99.22 | Jan. 2, 2024 | 4,000 | Disposed |
| Jan. 3, 2023 | WAT | Stock Option (Right to Buy) | Common Stock (827) | $345.59 | Jan. 3, 2033 | 827 | Acquired |
| May 19, 2022 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $88.71 | Jan. 2, 2023 | 4,000 | Disposed |
| Jan. 3, 2022 | WAT | Stock Option (Right to Buy) | Common Stock (983) | $364.59 | Jan. 3, 2032 | 983 | Acquired |
| Jan. 4, 2021 | WAT | Stock Option (Right to Buy) | Common Stock (1,352) | $250.15 | Jan. 4, 2031 | 1,352 | Acquired |
| Jan. 2, 2020 | WAT | Stock Option (Right to Buy) | Common Stock (1,601) | $235.06 | Jan. 2, 2030 | 1,601 | Acquired |
| Jan. 2, 2019 | WAT | Stock Option (Right to Buy) | Common Stock (1,760) | $183.41 | Jan. 2, 2029 | 1,760 | Acquired |
| Dec. 31, 2018 | WAT | Phantom Stock Units | Common Stock (133) | — | — | 133 | Acquired |
| Nov. 16, 2018 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $75.94 | Jan. 3, 2022 | 4,000 | Disposed |
| Nov. 16, 2018 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $78.10 | Jan. 3, 2021 | 4,000 | Disposed |
| Sept. 30, 2018 | WAT | Phantom Stock Units | Common Stock (115) | — | — | 115 | Acquired |
| Sept. 27, 2018 | NKTR | Stock Option | Common Stock (9,500) | $60.91 | Sept. 26, 2026 | 9,500 | Acquired |
| June 30, 2018 | WAT | Phantom Stock Units | Common Stock (105) | — | — | 105 | Acquired |
| March 31, 2018 | WAT | Phantom Stock Units | Common Stock (93) | — | — | 93 | Acquired |
| March 9, 2018 | WAT | Stock Option (Right to Buy) | Common Stock (3,584) | $61.63 | Jan. 4, 2020 | 3,584 | Disposed |
| March 9, 2018 | WAT | Stock Option (Right to Buy) | Common Stock (3,500) | $38.09 | Jan. 2, 2019 | 3,500 | Disposed |
| March 8, 2018 | WAT | Stock Option (Right to Buy) | Common Stock (416) | $61.63 | Jan. 4, 2020 | 416 | Disposed |
| March 7, 2018 | NKTR | Stock Option | Common Stock (10,000) | $9.24 | Sept. 13, 2020 | 10,000 | Disposed |
| March 7, 2018 | NKTR | Stock Option | Common Stock (27,400) | $5.14 | Sept. 12, 2019 | 27,400 | Disposed |
| March 6, 2018 | NKTR | Stock Option | Common Stock (2,600) | $5.14 | Sept. 12, 2019 | 2,600 | Disposed |
| Jan. 2, 2018 | NKTR | Stock Option [F1] | Common Stock (30,000) | $14.26 | Sept. 14, 2018 | 30,000 | Disposed |
| Jan. 2, 2018 | WAT | Stock Option (Right to Buy) | Common Stock (2,692) | $195.69 | Jan. 2, 2028 | 2,692 | Acquired |
| Dec. 31, 2017 | WAT | Phantom Stock Units | Common Stock (115) | — | — | 115 | Acquired |
| Sept. 30, 2017 | WAT | Phantom Stock Units | Common Stock (106) | — | — | 106 | Acquired |
| Sept. 19, 2017 | NKTR | Stock Option | common stock (22,500) | $21.75 | Sept. 18, 2025 | 22,500 | Acquired |
| Aug. 8, 2017 | WAT | Stock Option (Right to Buy) | Common Stock (3,500) | $76.75 | Jan. 2, 2018 | 3,500 | Disposed |
| June 30, 2017 | WAT | Phantom Stock Units | Common Stock (122) | — | — | 122 | Acquired |
| April 5, 2017 | NKTR | Stock Option [F1] | Common Stock (15,000) | $8.37 | Sept. 14, 2017 | 15,000 | Disposed |
| March 31, 2017 | WAT | Phantom Stock Units | Common Stock (102) | — | — | 102 | Acquired |
| Jan. 3, 2017 | WAT | Stock Option (Right to Buy) | Common Stock (3,626) | $136.43 | Jan. 3, 2027 | 3,626 | Acquired |
| Dec. 31, 2016 | WAT | Phantom Stock Units | Common Stock (149) | — | — | 149 | Acquired |
| Sept. 30, 2016 | WAT | Phantom Stock Units | Common Stock (99) | — | — | 99 | Acquired |
| Sept. 21, 2016 | NKTR | Stock Option | Common Stock (20,000) | $19.15 | Sept. 20, 2024 | 20,000 | Acquired |
| Sept. 15, 2016 | NKTR | Restricted Stock Unit | Common Stock (15,000) | — | — | 15,000 | Disposed |
| June 30, 2016 | WAT | Phantom Stock Units | Common Stock (113) | — | — | 113 | Acquired |
| May 4, 2016 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $48.88 | Jan. 3, 2017 | 4,000 | Disposed |
| March 31, 2016 | WAT | Phantom Stock Units | Common Stock (146) | — | — | 146 | Acquired |
| Jan. 4, 2016 | WAT | Stock Option (Right to Buy) | Common Stock (3,761) | $130.35 | Jan. 4, 2026 | 3,761 | Acquired |
| Jan. 4, 2016 | WAT | Stock Option (Right to Buy) | Common Stock (843) | $130.35 | Jan. 4, 2026 | 843 | Acquired |
| Dec. 31, 2015 | WAT | Phantom Stock Units | Common Stock (154) | — | — | 154 | Acquired |
| Dec. 4, 2015 | NKTR | Stock Option [F1] | Common Stock (15,000) | $5.15 | Dec. 1, 2016 | 15,000 | Disposed |
| Nov. 23, 2015 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $44.25 | May 11, 2016 | 4,000 | Disposed |
| Sept. 30, 2015 | WAT | Phantom Stock Units | Common Stock (132) | — | — | 132 | Acquired |
| Sept. 15, 2015 | NKTR | Restricted Stock Unit | Common Stock (15,000) | — | Sept. 14, 2023 | 15,000 | Acquired |
| Sept. 15, 2015 | NKTR | Stock Option | Common Stock (12,500) | $12.80 | Sept. 14, 2023 | 12,500 | Acquired |
| June 30, 2015 | WAT | Phantom Stock Units | Common Stock (175) | — | — | 175 | Acquired |
| March 31, 2015 | WAT | Phantom Stock Units | Common Stock (266) | — | — | 266 | Acquired |
| Jan. 13, 2015 | NKTR | Stock Option [F1] | Common Stock (15,000) | $8.81 | Sept. 18, 2015 | 15,000 | Disposed |
| Jan. 2, 2015 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $113.88 | Jan. 2, 2025 | 4,000 | Acquired |
| Dec. 31, 2014 | WAT | Phantom Stock Units | Common Stock (304) | — | — | 304 | Acquired |
| Sept. 30, 2014 | WAT | Phantom Stock Units | Common Stock (352) | — | — | 352 | Acquired |
| Sept. 23, 2014 | NKTR | Stock Option | Common Stock (45,000) | $12.70 | Sept. 22, 2022 | 45,000 | Acquired |
| June 30, 2014 | WAT | Phantom Stock Units | Common Stock (288) | — | — | 288 | Acquired |
| March 31, 2014 | WAT | Phantom Stock Units | Common Stock (210) | — | — | 210 | Acquired |
| Jan. 2, 2014 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $99.22 | Jan. 2, 2024 | 4,000 | Acquired |
| Sept. 19, 2013 | NKTR | Stock Option | Common Stock (40,000) | $13.80 | Sept. 18, 2013 | 40,000 | Acquired |
| Aug. 5, 2013 | NKTR | Stock Options | Common Stock (12,500) | $11.41 | Sept. 3, 2013 | 12,500 | Disposed |
| Jan. 2, 2013 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $88.71 | Jan. 2, 2023 | 4,000 | Acquired |
| Sept. 27, 2012 | NKTR | Stock Option | Common Stock (12,500) | $8.66 | Dec. 4, 2012 | 12,500 | Disposed |
| Sept. 14, 2012 | NKTR | Stock Option | Common Stock (40,000) | $9.24 | Sept. 13, 2020 | 40,000 | Acquired |
| Jan. 3, 2012 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $75.94 | Jan. 3, 2022 | 4,000 | Acquired |
| Sept. 13, 2011 | NKTR | Stock Option [F1] | Common Stock (30,000) | $5.14 | Sept. 12, 2019 | 30,000 | Acquired |
| March 7, 2011 | NKTR | Restricted Stock Unit | Common Stock (10,000) | — | March 7, 2011 | 10,000 | Disposed |
| Jan. 3, 2011 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $78.10 | Jan. 3, 2021 | 4,000 | Acquired |
| Sept. 14, 2010 | NKTR | Stock Option [F1] | Common Stock (30,000) | $14.26 | Sept. 14, 2018 | 30,000 | Acquired |
| Sept. 14, 2010 | NKTR | Stock Option [F1] | Common Stock (30,000) | $14.05 | Sept. 14, 2018 | 30,000 | Acquired |
| Jan. 4, 2010 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $61.63 | Jan. 4, 2020 | 4,000 | Acquired |
| Sept. 15, 2009 | NKTR | Restricted Stock Unit | Common Stock (5,000) | $0.01 | — | 5,000 | Acquired |
| Sept. 15, 2009 | NKTR | Stock Option [F1] | Common Stock (15,000) | $8.37 | Sept. 15, 2017 | 15,000 | Acquired |
| Jan. 2, 2009 | WAT | Stock Option (Right to Buy) | Common Stock (3,500) | $38.09 | Jan. 2, 2019 | 3,500 | Acquired |
| Dec. 2, 2008 | NKTR | Restricted Stock Unit [F1] | Common Stock (5,000) | $0.01 | — | 5,000 | Acquired |
| Dec. 2, 2008 | NKTR | Stock Option [F1] | Common Stock (15,000) | $5.15 | Dec. 2, 2016 | 15,000 | Acquired |
| Nov. 14, 2008 | NKTR | Restricted Stock Unit | Common Stock (500) | — | Nov. 14, 2008 | 5,000 | Disposed |
| Jan. 2, 2008 | WAT | Stock Option (Right to Buy) | Common Stock (3,500) | $76.75 | Jan. 2, 2018 | 3,500 | Acquired |
| Nov. 16, 2007 | NKTR | Restricted Stock Unit | Common Stock (5,000) | $0.01 | — | 5,000 | Disposed |
| Sept. 19, 2007 | NKTR | Restricted Stock Unit [F1] | Common Stock (5,000) | $0.01 | — | 5,000 | Acquired |
| Sept. 19, 2007 | NKTR | Stock Option (Right to Buy) [F1] | Common Stock (15,000) | $8.81 | Sept. 19, 2015 | 15,000 | Acquired |
| Jan. 3, 2007 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $48.88 | Jan. 3, 2017 | 4,000 | Acquired |
| Sept. 20, 2006 | NKTR | Restricted Stock Unit [F1] | Common Stock (5,000) | $0.01 | — | 5,000 | Acquired |
| Sept. 20, 2006 | NKTR | Stock Option (Right to Buy) [F1] | Common Stock (15,000) | $14.36 | Sept. 20, 2014 | 15,000 | Acquired |
| May 11, 2006 | WAT | Stock Option (Right to Buy) | Common Stock (4,000) | $44.25 | May 11, 2016 | 4,000 | Acquired |
| Sept. 16, 2005 | NKTR | Stock Option (Right to Buy) | Common Stock (12,500) | $17.98 | Sept. 16, 2013 | 12,500 | Acquired |
| Sept. 2, 2004 | NKTR | Stock Option (Right to Buy) | Common Stock (12,500) | $12.91 | Sept. 2, 2014 | 12,500 | Acquired |
| June 17, 2004 | NKTR | Stock Option (Right to Buy) | Common Stock (30,000) | $18.29 | June 17, 2014 | 30,000 | Acquired |
| Sept. 4, 2003 | NKTR | Employee Stock Option (Right to Buy) | Common Stock (12,500) | $11.41 | Sept. 4, 2013 | 12,500 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).