Shannon Hall
CIK 1621222 · View on SEC EDGAR ↗
First SEC filing: Oct. 7, 2014 · Latest: Oct. 7, 2014
On this page
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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 8, 2022 | MLAB | S | 230 | $174.98 | $40,245 | 957 Direct | -19.38% | Disposed | -31.0% (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 |
|---|---|---|---|---|---|---|---|
| Aug. 15, 2026 | MLAB | Restricted Stock Units - 8 | Common Stock (2,784) | — | — | 2,784 | Disposed |
| Aug. 15, 2025 | MLAB | Restricted Stock Units - 8 | Common Stock (2,784) | — | — | 2,784 | Acquired |
| Aug. 15, 2025 | MLAB | Restricted Stock Units - 7 | Common Stock (1,404) | — | — | 1,404 | Disposed |
| Sept. 1, 2024 | MLAB | Restricted Stock Units - 6 | Common Stock (1,074) | — | — | 1,074 | Disposed |
| Aug. 15, 2024 | MLAB | Restricted Stock Units - 7 | Common Stock (1,404) | — | — | 1,404 | Acquired |
| Sept. 1, 2023 | MLAB | Restricted Stock Units - 6 | Common Stock (1,074) | — | — | 1,074 | Acquired |
| Aug. 15, 2023 | MLAB | Restricted Stock Units - 5 | Common Stock (754) | — | — | 754 | Disposed |
| Sept. 1, 2022 | MLAB | Restricted Stock Units - 4 | Common Stock (431) | — | — | 431 | Disposed |
| Aug. 15, 2022 | MLAB | Restricted Stock Units - 5 | Common Stock (754) | — | — | 754 | Acquired |
| Sept. 1, 2021 | MLAB | Restricted Stock Units - 4 | Common Stock (431) | — | — | 431 | Acquired |
| Aug. 15, 2021 | MLAB | Restricted Stock Units - 3 | Common Stock (308) | — | — | 308 | Disposed |
| June 15, 2021 | MLAB | Restricted Stock Units - 2 | Common Stock (194) | — | — | 194 | Disposed |
| Nov. 15, 2020 | MLAB | Restricted Stock Unit - 3 | Common Stock (308) | — | — | 308 | Acquired |
| Nov. 15, 2020 | MLAB | Restricted Stock Units - 1 | Common Stock (254) | — | — | 254 | Disposed |
| June 15, 2020 | MLAB | Restricted Stock Units - 1 | Common Stock (254) | — | — | 254 | Acquired |
| June 15, 2020 | MLAB | Restricted Stock Units - 2 | Common Stock (194) | — | — | 194 | Acquired |
| Nov. 4, 2014 | BIO | Restricted Stock Units | Bio-Rad A Common Stock (220) | — | — | 220 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 7, 2014 | BIO | Bio-Rad A Common Stock | 715 | Direct |
| Oct. 7, 2014 | BIO | Restricted Stock Units→ Bio-Rad A Common Stock (220) | 220 | Direct |
| Oct. 7, 2014 | BIO | Restricted Stock Units→ Bio-Rad A Common Stock (660) | 660 | Direct |
| Oct. 7, 2014 | BIO | Restricted Stock Units→ Bio-Rad A Common Stock (720) | 720 | Direct |
| Oct. 7, 2014 | BIO | Restricted Stock Units→ Bio-Rad A Common Stock (960) | 960 | Direct |
| Oct. 7, 2014 | BIO | Restricted Stock Units→ Bio-Rad A Common Stock (1,200) | 1,200 | Direct |