Michael J Berendt

CIK 1186877 · View on SEC EDGAR ↗

Insider

First SEC filing: May 17, 2011 · Latest: May 17, 2011

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Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 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
Date Ticker Code Shares Price Value Owned after Δ own A/D vs now
Aug. 13, 2021 WAT S 806 $403.12 $324,915 16,449 Direct -4.67% Disposed 2.9% (price as of 2026-08-20)
Aug. 12, 2021 WAT S 4,000 $398.43 $1,593,720 17,255 Direct -18.82% Disposed 4.1% (price as of 2026-08-20)
May 24, 2021 WAT S 1,161 $318.24 $369,477 21,255 Direct -5.18% Disposed 30.3% (price as of 2026-08-20)
Nov. 9, 2020 WAT S 4,000 $230.10 $920,400 21,977 Direct -15.40% Disposed 80.3% (price as of 2026-08-20)
Jan. 2, 2020 WAT S 10b5-1 4,000 $234.93 $939,720 21,510 Direct -15.68% Disposed 76.6% (price as of 2026-08-20)
Feb. 25, 2019 WAT S 3,000 $239.64 $718,920 21,510 Direct -12.24% Disposed 73.1% (price as of 2026-08-20)
Jan. 2, 2019 WAT S 10b5-1 3,500 $184.74 $646,590 23,911 Direct -12.77% Disposed 124.5% (price as of 2026-08-20)
Jan. 2, 2018 WAT S 10b5-1 3,500 $194.58 $681,030 23,349 Direct -13.04% Disposed 113.2% (price as of 2026-08-20)
May 10, 2017 WAT S 1,000 $174.01 $174,010 23,349 Direct -4.11% Disposed 138.4% (price as of 2026-08-20)
Dec. 8, 2015 WAT S 4,000 $130.54 $522,160 18,700 Direct -17.62% Disposed 217.8% (price as of 2026-08-20)
June 18, 2015 WAT S 100 $136.47 $13,647 18,700 Direct -0.53% Disposed 203.9% (price as of 2026-08-20)
June 18, 2015 WAT S 1,400 $136.44 $191,016 18,800 Direct -6.93% Disposed 204.0% (price as of 2026-08-20)
Feb. 20, 2014 WAT S 7,000 $113.78 $796,460 15,000 Direct -31.82% Disposed 264.6% (price as of 2026-08-20)
Sept. 11, 2013 WAT S 1,000 $103.93 $103,930 16,500 Direct -5.71% Disposed 299.1% (price as of 2026-08-20)
May 15, 2013 WAT S 4,000 $98.78 $395,120 17,500 Direct -18.60% Disposed 319.9% (price as of 2026-08-20)
March 15, 2012 WAT S 2,000 $93.00 $186,000 16,000 Direct -11.11% Disposed 346.0% (price as of 2026-08-20)
May 13, 2011 WAT S 2,500 $98.57 $246,425 12,500 Direct -16.67% Disposed 320.8% (price as of 2026-08-20)
Nov. 22, 2010 WAT S 2,000 $78.48 $156,960 13,500 Direct -12.90% Disposed 428.5% (price as of 2026-08-20)

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
Jan. 4, 2021 WAT Stock Option (Right to Buy) Common Stock (1,352) $250.15 Jan. 4, 2031 1,352 Acquired
Nov. 9, 2020 WAT Stock Option (Right to Buy) Common Stock $78.10 Jan. 3, 2021 4,000 Disposed
Jan. 2, 2020 WAT Stock Option (Right to Buy) Common Stock (1,601) $235.06 Jan. 2, 2030 1,601 Acquired
Jan. 2, 2020 WAT Stock Option (Right to Buy) Common Stock (4,000) $61.63 Jan. 4, 2020 4,000 Disposed
Jan. 2, 2019 WAT Stock Option (Right to Buy) Common Stock (1,760) $183.41 Jan. 2, 2029 1,760 Acquired
Jan. 2, 2019 WAT Stock Option (Right to Buy) Common Stock (3,500) $38.09 Jan. 2, 2019 3,500 Disposed
Jan. 2, 2018 WAT Stock Option (Right to Buy) Common Stock (2,692) $195.69 Jan. 2, 2028 2,692 Acquired
Jan. 2, 2018 WAT Stock Option (Right to Buy) Common Stock (3,500) $76.75 Jan. 2, 2018 3,500 Disposed
Jan. 3, 2017 WAT Stock Option (Right to Buy) Common Stock (3,626) $136.43 Jan. 3, 2027 3,626 Acquired
Dec. 5, 2016 WAT Stock Option (Right to Buy) Common Stock (4,000) $48.88 Jan. 3, 2017 4,000 Disposed
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. 8, 2015 WAT Stock Option (Right to Buy) Common Stock (4,000) $38.10 Jan. 3, 2016 4,000 Disposed
Jan. 2, 2015 WAT Stock Option (Right to Buy) Common Stock (4,000) $113.88 Jan. 2, 2025 4,000 Acquired
Dec. 5, 2014 WAT Stock Option (Right to Buy) Common Stock (4,000) $45.77 Jan. 3, 2015 4,000 Disposed
Jan. 2, 2014 WAT Stock Option (Right to Buy) Common Stock (4,000) $99.22 Jan. 2, 2024 4,000 Acquired
Jan. 2, 2014 WAT Stock Option (Right to Buy) Common Stock (4,000) $33.12 Jan. 2, 2014 4,000 Disposed
Jan. 2, 2013 WAT Stock Option (Right to Buy) Common Stock (4,000) $88.71 Jan. 2, 2023 4,000 Acquired
Nov. 23, 2012 WAT Stock Option (Right to Buy) Common Stock (4,000) $21.82 Jan. 2, 2013 4,000 Disposed
Jan. 3, 2012 WAT Stock Option (Right to Buy) Common Stock (4,000) $75.94 Jan. 3, 2022 4,000 Acquired
Dec. 1, 2011 WAT Stock Option (Right to Buy) Common Stock (4,000) $38.41 Jan. 2, 2012 4,000 Disposed
Jan. 3, 2011 WAT Stock Option (Right to Buy) Common Stock (4,000) $78.10 Jan. 3, 2021 4,000 Acquired
Jan. 4, 2010 WAT Stock Option (Right to Buy) Common Stock (4,000) $61.63 Jan. 4, 2020 4,000 Acquired
Dec. 10, 2009 WAT Stock Option (Right to Buy) Common Stock (4,000) $25.75 Jan. 3, 2010 4,000 Disposed
Jan. 2, 2009 WAT Stock Option (Right to Buy) Common Stock (3,500) $38.09 Jan. 2, 2019 3,500 Acquired
Nov. 11, 2008 WAT Stock Option (Right to Buy) Common Stock (4,000) $19.50 Dec. 1, 2008 4,000 Disposed
Jan. 2, 2008 WAT Stock Option (Right to Buy) Common Stock (3,500) $76.75 Jan. 2, 2018 3,500 Acquired
Jan. 3, 2007 WAT Stock Option (Right to Buy) Common Stock (4,000) $48.88 Jan. 3, 2017 4,000 Acquired
Jan. 3, 2006 WAT Stock Option (Right to Buy) Common Stock (4,000) $38.10 Jan. 3, 2016 4,000 Acquired
Jan. 3, 2005 WAT Stock Option (Right to Buy) Common Stock (4,000) $45.77 Jan. 3, 2015 4,000 Acquired
Jan. 2, 2004 WAT Stock Option (Right to Buy) Common Stock (4,000) $33.12 Jan. 2, 2014 4,000 Acquired

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