Amol Chaubal
First SEC filing: May 14, 2026 · Latest: May 14, 2026
Insider at
Insider transactions
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 12, 2026 | WAT | F | 239 | $352.21 | $84,178 | 7,623 Direct | -3.04% | Disposed | 25.0% (price as of 2026-10-05) |
| March 2, 2026 | WAT | F | 709 | $307.23 | $217,826 | 7,796 Direct | -8.34% | Disposed | 43.3% (price as of 2026-10-05) |
| Feb. 25, 2026 | WAT | A | 7,125 | · | · | 7,125 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 25, 2026 | WAT | A | 1,455 | · | · | 8,505 Direct | +20.64% | Acquired | (price as of 2026-10-05) |
| Feb. 5, 2026 | WAT | F | 58 | $376.89 | $21,860 | 7,050 Direct | -0.82% | Disposed | 16.8% (price as of 2026-10-05) |
| Feb. 4, 2026 | WAT | A | 1,884 | · | · | 7,108 Direct | +36.06% | Acquired | (price as of 2026-10-05) |
| May 12, 2025 | WAT | F | 239 | $366.67 | $87,634 | 5,224 Direct | -4.37% | Disposed | 20.0% (price as of 2026-10-05) |
| March 1, 2025 | WAT | F | 1,076 | $371.79 | $400,046 | 5,368 Direct | -16.70% | Disposed | 18.4% (price as of 2026-10-05) |
| Feb. 5, 2025 | WAT | A | 4,287 | · | · | 4,287 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 5, 2025 | WAT | A | 833 | · | · | 6,444 Direct | +14.85% | Acquired | (price as of 2026-10-05) |
| Feb. 5, 2025 | WAT | A | 3,317 | · | · | 5,611 Direct | +144.59% | Acquired | (price as of 2026-10-05) |
| May 13, 2024 | WAT | F | 145 | $349.28 | $50,646 | 2,294 Direct | -5.95% | Disposed | 26.0% (price as of 2026-10-05) |
| Feb. 7, 2024 | WAT | A | 8,228 | · | · | 8,228 Direct | · | Acquired | (price as of 2026-10-05) |
| May 12, 2023 | WAT | F | 145 | $271.00 | $39,295 | 2,180 Direct | -6.24% | Disposed | 62.4% (price as of 2026-10-05) |
| Feb. 8, 2023 | WAT | A | 7,727 | · | · | 7,727 Direct | · | Acquired | (price as of 2026-10-05) |
| May 12, 2022 | WAT | F | 145 | $313.95 | $45,523 | 2,325 Direct | -5.87% | Disposed | 40.2% (price as of 2026-10-05) |
| Feb. 17, 2022 | WAT | A | 8,883 | · | · | 8,883 Direct | · | Acquired | (price as of 2026-10-05) |
| May 12, 2021 | WAT | A | 8,592 | $303.64 | $2,608,875 | 8,592 Direct | · | Acquired | 44.9% (price as of 2026-10-05) |
| May 12, 2021 | WAT | A | 2,470 | · | · | 2,470 Direct | · | Acquired | (price as of 2026-10-05) |
| May 3, 2021 | QTRX | S | 90 | $57.25 | $5,152 | 30,310 Direct | -0.30% | Disposed | -93.3% (price as of 2026-10-05) |
| May 3, 2021 | QTRX | S | 71 | $58.16 | $4,129 | 30,239 Direct | -0.23% | Disposed | -93.4% (price as of 2026-10-05) |
| May 3, 2021 | QTRX | S | 11 | $59.01 | $649 | 30,228 Direct | -0.04% | Disposed | -93.5% (price as of 2026-10-05) |
| May 3, 2021 | QTRX | S | 6 | $61.36 | $368 | 30,222 Direct | -0.02% | Disposed | -93.8% (price as of 2026-10-05) |
| April 1, 2021 | QTRX | S | 49 | $61.92 | $3,034 | 30,516 Direct | -0.16% | Disposed | -93.8% (price as of 2026-10-05) |
| April 1, 2021 | QTRX | S | 103 | $62.70 | $6,458 | 30,413 Direct | -0.34% | Disposed | -93.9% (price as of 2026-10-05) |
| April 1, 2021 | QTRX | S | 13 | $63.36 | $824 | 30,400 Direct | -0.04% | Disposed | -94.0% (price as of 2026-10-05) |
| March 1, 2021 | QTRX | S | 154 | $81.29 | $12,519 | 30,577 Direct | -0.50% | Disposed | -95.3% (price as of 2026-10-05) |
| March 1, 2021 | QTRX | S | 12 | $81.82 | $982 | 30,565 Direct | -0.04% | Disposed | -95.3% (price as of 2026-10-05) |
| Feb. 19, 2021 | QTRX | S | 124 | $88.67 | $10,995 | 31,032 Direct | -0.40% | Disposed | -95.7% (price as of 2026-10-05) |
| Feb. 19, 2021 | QTRX | S | 191 | $89.50 | $17,094 | 30,841 Direct | -0.62% | Disposed | -95.7% (price as of 2026-10-05) |
| Feb. 19, 2021 | QTRX | S | 72 | $90.25 | $6,498 | 30,769 Direct | -0.23% | Disposed | -95.8% (price as of 2026-10-05) |
| Feb. 19, 2021 | QTRX | S | 346 | $91.40 | $31,624 | 30,423 Direct | -1.12% | Disposed | -95.8% (price as of 2026-10-05) |
| Feb. 8, 2021 | QTRX | A | 5,789 | · | · | 31,156 Direct | +22.82% | Acquired | (price as of 2026-10-05) |
| Feb. 8, 2021 | QTRX | A | 13,507 | · | · | 13,507 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 1, 2021 | QTRX | S | 56 | $67.93 | $3,804 | 25,444 Direct | -0.22% | Disposed | -94.4% (price as of 2026-10-05) |
| Feb. 1, 2021 | QTRX | S | 77 | $68.49 | $5,274 | 25,367 Direct | -0.30% | Disposed | -94.4% (price as of 2026-10-05) |
| Jan. 5, 2021 | QTRX | S | 124 | $44.13 | $5,472 | 25,500 Direct | -0.48% | Disposed | -91.4% (price as of 2026-10-05) |
| Dec. 1, 2020 | QTRX | S | 54 | $43.31 | $2,339 | 25,685 Direct | -0.21% | Disposed | -91.2% (price as of 2026-10-05) |
| Dec. 1, 2020 | QTRX | S | 61 | $44.13 | $2,692 | 25,624 Direct | -0.24% | Disposed | -91.4% (price as of 2026-10-05) |
| Nov. 2, 2020 | QTRX | S | 116 | $36.97 | $4,289 | 25,261 Direct | -0.46% | Disposed | -89.7% (price as of 2026-10-05) |
| Oct. 1, 2020 | QTRX | S | 116 | $34.12 | $3,958 | 25,377 Direct | -0.46% | Disposed | -88.8% (price as of 2026-10-05) |
| Sept. 1, 2020 | QTRX | S | 120 | $34.91 | $4,189 | 25,493 Direct | -0.47% | Disposed | -89.1% (price as of 2026-10-05) |
| Aug. 3, 2020 | QTRX | S | 111 | $32.23 | $3,578 | 25,616 Direct | -0.43% | Disposed | -88.2% (price as of 2026-10-05) |
| Aug. 3, 2020 | QTRX | S | 3 | $33.33 | $100 | 25,613 Direct | -0.01% | Disposed | -88.6% (price as of 2026-10-05) |
| July 1, 2020 | QTRX | S | 109 | $26.83 | $2,924 | 25,735 Direct | -0.42% | Disposed | -85.8% (price as of 2026-10-05) |
| July 1, 2020 | QTRX | S | 8 | $27.45 | $220 | 25,727 Direct | -0.03% | Disposed | -86.1% (price as of 2026-10-05) |
| June 1, 2020 | QTRX | S | 118 | $27.32 | $3,224 | 25,844 Direct | -0.45% | Disposed | -86.1% (price as of 2026-10-05) |
| May 1, 2020 | QTRX | S | 120 | $25.44 | $3,053 | 25,962 Direct | -0.46% | Disposed | -85.0% (price as of 2026-10-05) |
| April 14, 2020 | QTRX | S | 1,463 | $20.34 | $29,757 | 26,082 Direct | -5.31% | Disposed | -81.3% (price as of 2026-10-05) |
| Feb. 18, 2020 | QTRX | A | 9,286 | · | · | 27,545 Direct | +50.86% | Acquired | (price as of 2026-10-05) |
| Feb. 18, 2020 | QTRX | A | 21,666 | · | · | 21,666 Direct | · | Acquired | (price as of 2026-10-05) |
| April 12, 2019 | QTRX | A | 18,259 | · | · | 18,259 Direct | · | Acquired | (price as of 2026-10-05) |
| April 12, 2019 | QTRX | A | 62,270 | · | · | 62,270 Direct | · | Acquired | (price as of 2026-10-05) |
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. 25, 2026 | WAT | Stock Option (Right to Buy) | Common Stock | $319.44 | Feb. 25, 2036 | 7,125 | Acquired |
| Feb. 5, 2025 | WAT | Stock Option (Right to Buy) | Common Stock | $414.09 | Feb. 5, 2035 | 4,287 | Acquired |
| Feb. 7, 2024 | WAT | Stock Option (Right to Buy) | Common Stock | $323.54 | Feb. 7, 2034 | 8,228 | Acquired |
| Feb. 8, 2023 | WAT | Stock Option (Right to Buy) | Common Stock | $342.29 | Feb. 8, 2033 | 7,727 | Acquired |
| Feb. 17, 2022 | WAT | Stock Option (Right to Buy) | Common Stock | $314.98 | Feb. 17, 2032 | 8,883 | Acquired |
| May 12, 2021 | WAT | Stock Option (Right to Buy) | Common Stock | $303.64 | May 12, 2031 | 8,592 | Acquired |
| Feb. 8, 2021 | QTRX | Stock Option (right to buy) | Common Stock | $77.79 | Feb. 8, 2031 | 13,507 | Acquired |
| Feb. 18, 2020 | QTRX | Stock Option (right to buy) | Common Stock | $27.76 | Feb. 18, 2030 | 21,666 | Acquired |
| April 12, 2019 | QTRX | Stock Option (right to buy) | Common Stock | $22.70 | April 12, 2029 | 62,270 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $650,000 | · | · | · | $750,750 | · | $21,000 | $3,844,298 |
| 2024 | · | $1,102,236 | · | · | $37,763 | · | $3,138,074 | · |
| 2023 | · | $1,024,196 | · | · | $71,915 | · | $2,659,812 | · |
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2020 | $371,188 | $330,992 | $520,521 | · | · | · | $4,219 | $1,226,920 |
| 2019 | $253,077 | $145,772 | $414,479 | $525,776 | · | · | $4,321 | $1,343,425 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.