Pearl S Huang
CIK 1837486 · 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)
0 sells (S)
Net:
$0
+ 29 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 25, 2026 | WAT | A | 57 | — | — | 57 Direct | — | Acquired | (price as of 2026-08-21) |
| Feb. 25, 2026 | WAT | A | 23 | — | — | 3,276 Direct | +0.71% | Acquired | (price as of 2026-08-21) |
| Jan. 2, 2026 | WAT | A | 828 | — | — | 828 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 2, 2026 | WAT | A | 307 | — | — | 3,253 Direct | +10.42% | Acquired | (price as of 2026-08-21) |
| Jan. 2, 2025 | WAT | A | 818 | — | — | 818 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 2, 2025 | WAT | A | 319 | — | — | 2,946 Direct | +12.14% | Acquired | (price as of 2026-08-21) |
| Dec. 31, 2024 | WAT | A | 83 | — | — | 2,627 Direct | +3.26% | Acquired | (price as of 2026-08-21) |
| Sept. 30, 2024 | WAT | A | 75 | — | — | 2,544 Direct | +3.04% | Acquired | (price as of 2026-08-21) |
| June 28, 2024 | WAT | A | 77 | — | — | 2,469 Direct | +3.22% | Acquired | (price as of 2026-08-21) |
| March 28, 2024 | WAT | A | 75 | — | — | 75 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 2, 2024 | WAT | A | 847 | — | — | 847 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 2, 2024 | WAT | A | 334 | — | — | 1,392 Direct | +31.57% | Acquired | (price as of 2026-08-21) |
| Dec. 29, 2023 | WAT | A | 100 | — | — | 100 Direct | — | Acquired | (price as of 2026-08-21) |
| June 30, 2023 | WAT | A | 83 | — | — | 83 Direct | — | Acquired | (price as of 2026-08-21) |
| March 31, 2023 | WAT | A | 85 | — | — | 85 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 3, 2023 | WAT | A | 827 | — | — | 827 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 3, 2023 | WAT | A | 318 | — | — | 1,058 Direct | +42.97% | Acquired | (price as of 2026-08-21) |
| Dec. 31, 2022 | WAT | A | 77 | — | — | 77 Direct | — | Acquired | (price as of 2026-08-21) |
| Sept. 30, 2022 | WAT | A | 72 | — | — | 72 Direct | — | Acquired | (price as of 2026-08-21) |
| June 30, 2022 | WAT | A | 87 | — | — | 87 Direct | — | Acquired | (price as of 2026-08-21) |
| March 31, 2022 | WAT | A | 85 | — | — | 85 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 3, 2022 | WAT | A | 983 | — | — | 983 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 3, 2022 | WAT | A | 301 | — | — | 740 Direct | +68.56% | Acquired | (price as of 2026-08-21) |
| Dec. 31, 2021 | WAT | A | 64 | — | — | 64 Direct | — | Acquired | (price as of 2026-08-21) |
| Sept. 30, 2021 | WAT | A | 49 | — | — | 49 Direct | — | Acquired | (price as of 2026-08-21) |
| June 30, 2021 | WAT | A | 66 | — | — | 66 Direct | — | Acquired | (price as of 2026-08-21) |
| March 31, 2021 | WAT | A | 70 | — | — | 70 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 4, 2021 | WAT | A | 439 | — | — | 439 Direct | — | Acquired | (price as of 2026-08-21) |
| Jan. 4, 2021 | WAT | A | 1,352 | — | — | 1,352 Direct | — | Acquired | (price as of 2026-08-21) |
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 (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 |
| Jan. 2, 2025 | WAT | Stock Option (Right to Buy) | Common Stock (818) | $368.26 | Jan. 2, 2035 | 818 | Acquired |
| March 28, 2024 | WAT | Phantom Stock Units | Common Stock (75) | — | — | 75 | Acquired |
| Jan. 2, 2024 | WAT | Stock Option (Right to Buy) | Common Stock (847) | $328.62 | Jan. 3, 2034 | 847 | Acquired |
| Dec. 29, 2023 | WAT | Phantom Stock Units | Common Stock (100) | — | — | 100 | Acquired |
| June 30, 2023 | WAT | Phantom Stock Units | Common Stock (83) | — | — | 83 | Acquired |
| March 31, 2023 | WAT | Phantom Stock Units | Common Stock (85) | — | — | 85 | Acquired |
| Jan. 3, 2023 | WAT | Stock Option (Right to Buy) | Common Stock (827) | $345.59 | Jan. 3, 2033 | 827 | Acquired |
| Dec. 31, 2022 | WAT | Phantom Stock Units | Common Stock (77) | — | — | 77 | Acquired |
| Sept. 30, 2022 | WAT | Phantom Stock Units | Common Stock (72) | — | — | 72 | Acquired |
| June 30, 2022 | WAT | Phantom Stock Units | Common Stock (87) | — | — | 87 | Acquired |
| March 31, 2022 | WAT | Phantom Stock Units | Common Stock (85) | — | — | 85 | Acquired |
| Jan. 3, 2022 | WAT | Stock Option (Right to Buy) | Common Stock (983) | $364.59 | Jan. 3, 2032 | 983 | Acquired |
| Dec. 31, 2021 | WAT | Phantom Stock Units | Common Stock (64) | — | — | 64 | Acquired |
| Sept. 30, 2021 | WAT | Phantom Stock Units | Common Stock (49) | — | — | 49 | Acquired |
| June 30, 2021 | WAT | Phantom Stock Units | Common Stock (66) | — | — | 66 | Acquired |
| March 31, 2021 | WAT | Phantom Stock Units | Common Stock (70) | — | — | 70 | Acquired |
| Jan. 4, 2021 | WAT | Stock Option (Right to Buy) | Common Stock (1,352) | $250.15 | Jan. 4, 2031 | 1,352 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).