Arnold A Pinkston
CIK 1343989 · View on SEC EDGAR ↗
Insider
First SEC filing: May 3, 2017 · Latest: May 3, 2017
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 7 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 |
|---|---|---|---|---|---|---|---|---|---|
| April 21, 2026 | BIO | M | 407 | — | — | 715 Direct | +132.14% | Acquired | (price as of 2026-08-20) |
| April 21, 2026 | BIO | A | 369 | — | — | 369 Direct | — | Acquired | (price as of 2026-08-20) |
| April 21, 2026 | BIO | M | 407 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| April 22, 2025 | BIO | M | 308 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| April 22, 2025 | BIO | A | 407 | — | — | 407 Direct | — | Acquired | (price as of 2026-08-20) |
| April 22, 2025 | BIO | M | 308 | — | — | 308 Direct | — | Acquired | (price as of 2026-08-20) |
| Sept. 6, 2024 | BIO | A | 308 | — | — | 308 Direct | — | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| April 21, 2026 | BIO | Restricted Stock Units | Bio-Rad A Common Stock (369) | — | — | 369 | Acquired |
| April 21, 2026 | BIO | Restricted Stock Units | Bio-Rad A Common Stock (407) | — | — | 407 | Disposed |
| April 22, 2025 | BIO | Restricted Stock Units | Bio-Rad A Common Stock (308) | — | — | 308 | Disposed |
| April 22, 2025 | BIO | Restricted Stock Units | Bio-Rad A Common Stock (407) | — | — | 407 | Acquired |
| Sept. 6, 2024 | BIO | Restricted Stock Units | Bio-Rad A Common Stock (308) | — | — | 308 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 3, 2017 | BIO | No securities beneficially owned | 0 | Direct |