Brian K Mazar
CIK 1184459 · View on SEC EDGAR ↗
Insider
First SEC filing: Feb. 10, 2006 · Latest: Feb. 10, 2006
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 21 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
21 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 14, 2005 | WAT | S | 66,000 | $49.72 | $3,281,520 | 259,484 Direct | -20.28% | Disposed | 734.3% (price as of 2026-08-20) |
| April 30, 2004 | WAT | S | 120,664 | $42.30 | $5,104,087 | 271,484 Direct | -30.77% | Disposed | 880.6% (price as of 2026-08-20) |
| Oct. 29, 2003 | WAT | S | 125,000 | $31.13 | $3,891,250 | 274,484 Direct | -31.29% | Disposed | 1232.5% (price as of 2026-08-20) |
| Oct. 29, 2003 | WAT | S | 125,000 | $31.13 | $3,891,250 | 274,484 Direct | -31.29% | Disposed | 1232.5% (price as of 2026-08-20) |
| July 24, 2003 | WAT | S | 100,000 | $29.87 | $2,987,000 | 274,484 Direct | -26.70% | Disposed | 1288.7% (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 |
|---|---|---|---|---|---|---|---|
| Feb. 14, 2005 | WAT | Stock Option (Right to Buy) | Common Stock (66,000) | $8.55 | May 24, 2006 | 66,000 | Disposed |
| Feb. 14, 2005 | WAT | Stock Option (Right to Buy) | Common Stock (66,000) | $8.55 | May 24, 2006 | 66,000 | Disposed |
| Dec. 8, 2004 | WAT | Stock Option (Right to Buy) | Common Stock (15,000) | $47.12 | Dec. 8, 2014 | 15,000 | Acquired |
| Dec. 8, 2004 | WAT | Stock Option (Right to Buy) | Common Stock (15,000) | $47.12 | Dec. 8, 2014 | 15,000 | Acquired |
| April 30, 2004 | WAT | Stock Option (Right to Buy) | Common Stock (120,664) | $4.07 | Aug. 18, 2004 | 120,664 | Disposed |
| Dec. 11, 2003 | WAT | Stock Option (Right to Buy) | Common Stock (40,000) | $32.12 | Dec. 11, 2013 | 40,000 | Acquired |
| Oct. 29, 2003 | WAT | Stock Option (Right to Buy) | Common Stock (125,000) | $4.07 | Aug. 18, 2004 | 125,000 | Disposed |
| Oct. 29, 2003 | WAT | Stock Option (Right to Buy) | Common Stock (125,000) | $4.07 | Aug. 18, 2004 | 125,000 | Disposed |
| July 24, 2003 | WAT | Stock Option (Right to Buy) | Common Stock (100,000) | $4.07 | Aug. 18, 2004 | 100,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).