Colleen Corey
Insider
First SEC filing: May 4, 2023 · Latest: May 4, 2023
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 6, 2025 | BIO | M | 576 | · | · | 19,759 Direct | +3.00% | Acquired | (price as of 2026-10-02) |
| Sept. 6, 2025 | BIO | F | 209 | $295.43 | $61,745 | 19,550 Direct | -1.06% | Disposed | 25.0% (price as of 2026-10-02) |
| Sept. 6, 2025 | BIO | M | 576 | · | · | 1,728 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| Sept. 5, 2025 | BIO | A | 2,740 | · | · | 2,740 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2025 | BIO | M | 1,102 | · | · | 19,581 Direct | +5.96% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2025 | BIO | F | 398 | $297.88 | $118,556 | 19,183 Direct | -2.03% | Disposed | 23.9% (price as of 2026-10-02) |
| Sept. 1, 2025 | BIO | M | 254 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2025 | BIO | M | 347 | · | · | 347 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2025 | BIO | M | 501 | · | · | 1,002 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| March 3, 2025 | BIO | A | 1,946 | · | · | 1,946 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 6, 2024 | BIO | A | 2,304 | · | · | 2,304 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 3, 2024 | BIO | M | 495 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 3, 2024 | BIO | F | 177 | $334.31 | $59,173 | 18,479 Direct | -0.95% | Disposed | 10.4% (price as of 2026-10-02) |
| Sept. 3, 2024 | BIO | M | 495 | · | · | 18,656 Direct | +2.73% | Acquired | (price as of 2026-10-02) |
| Sept. 2, 2024 | BIO | M | 361 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 2, 2024 | BIO | F | 129 | $337.32 | $43,514 | 18,161 Direct | -0.71% | Disposed | 9.4% (price as of 2026-10-02) |
| Sept. 2, 2024 | BIO | M | 361 | · | · | 18,290 Direct | +2.01% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2024 | BIO | M | 253 | · | · | 254 Direct | -49.90% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2024 | BIO | M | 347 | · | · | 694 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2024 | BIO | M | 500 | · | · | 1,503 Direct | -24.96% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2024 | BIO | F | 91 | $337.32 | $30,696 | 17,929 Direct | -0.50% | Disposed | 9.4% (price as of 2026-10-02) |
| Sept. 1, 2024 | BIO | M | 253 | · | · | 18,020 Direct | +1.42% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2024 | BIO | F | 124 | $337.32 | $41,828 | 17,767 Direct | -0.69% | Disposed | 9.4% (price as of 2026-10-02) |
| Sept. 1, 2024 | BIO | M | 347 | · | · | 17,891 Direct | +1.98% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2024 | BIO | F | 179 | $337.32 | $60,380 | 17,544 Direct | -1.01% | Disposed | 9.4% (price as of 2026-10-02) |
| Sept. 1, 2024 | BIO | M | 500 | · | · | 17,723 Direct | +2.90% | Acquired | (price as of 2026-10-02) |
| March 8, 2024 | BIO | A | 2,357 | · | · | 2,357 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 4, 2023 | BIO | M | 600 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 4, 2023 | BIO | F | 208 | $394.60 | $82,077 | 17,223 Direct | -1.19% | Disposed | -6.5% (price as of 2026-10-02) |
| Sept. 4, 2023 | BIO | M | 600 | · | · | 17,431 Direct | +3.56% | Acquired | (price as of 2026-10-02) |
| Sept. 3, 2023 | BIO | M | 495 | · | · | 495 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Sept. 3, 2023 | BIO | F | 172 | $394.60 | $67,871 | 16,831 Direct | -1.01% | Disposed | -6.5% (price as of 2026-10-02) |
| Sept. 3, 2023 | BIO | M | 495 | · | · | 17,003 Direct | +3.00% | Acquired | (price as of 2026-10-02) |
| Sept. 2, 2023 | BIO | M | 361 | · | · | 361 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Sept. 2, 2023 | BIO | F | 125 | $394.60 | $49,325 | 16,508 Direct | -0.75% | Disposed | -6.5% (price as of 2026-10-02) |
| Sept. 2, 2023 | BIO | M | 361 | · | · | 16,633 Direct | +2.22% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2023 | BIO | M | 253 | · | · | 507 Direct | -33.29% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2023 | BIO | M | 347 | · | · | 1,041 Direct | -25.00% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2023 | BIO | A | 2,003 | · | · | 2,003 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2023 | BIO | F | 88 | $394.60 | $34,725 | 16,272 Direct | -0.54% | Disposed | -6.5% (price as of 2026-10-02) |
| Sept. 1, 2023 | BIO | M | 253 | · | · | 16,360 Direct | +1.57% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2023 | BIO | F | 120 | $394.60 | $47,352 | 16,107 Direct | -0.74% | Disposed | -6.5% (price as of 2026-10-02) |
| Sept. 1, 2023 | BIO | M | 347 | · | · | 16,227 Direct | +2.19% | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Sept. 6, 2025 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 576 | Disposed |
| Sept. 5, 2025 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 2,740 | Acquired |
| Sept. 1, 2025 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 254 | Disposed |
| Sept. 1, 2025 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 347 | Disposed |
| Sept. 1, 2025 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 501 | Disposed |
| March 3, 2025 | BIO | Non-Qualified Stock Option (right to buy) | Bio-Rad A Common Stock | $256.45 | March 3, 2035 | 1,946 | Acquired |
| Sept. 6, 2024 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 2,304 | Acquired |
| Sept. 3, 2024 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 495 | Disposed |
| Sept. 2, 2024 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 361 | Disposed |
| Sept. 1, 2024 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 253 | Disposed |
| Sept. 1, 2024 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 347 | Disposed |
| Sept. 1, 2024 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 500 | Disposed |
| March 8, 2024 | BIO | Non-Qualified Stock Option (right to buy) | Bio-Rad A Common Stock | $343.76 | March 8, 2034 | 2,357 | Acquired |
| Sept. 4, 2023 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 600 | Disposed |
| Sept. 3, 2023 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 495 | Disposed |
| Sept. 2, 2023 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 361 | Disposed |
| Sept. 1, 2023 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 253 | Disposed |
| Sept. 1, 2023 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 347 | Disposed |
| Sept. 1, 2023 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 2,003 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 4, 2023 | BIO | Bio-Rad A Common Stock | 15,880 | Direct |
| May 4, 2023 | BIO | Restricted Stock Units | 600 | Direct |
| May 4, 2023 | BIO | Restricted Stock Units | 990 | Direct |
| May 4, 2023 | BIO | Restricted Stock Units | 722 | Direct |
| May 4, 2023 | BIO | Restricted Stock Units | 760 | Direct |
| May 4, 2023 | BIO | Restricted Stock Units | 1,388 | Direct |
| May 4, 2023 | BIO | Non-Qualified Stock Option (right to buy) | 1,444 | Direct |
| May 4, 2023 | BIO | Non-Qualified Stock Option (right to buy) | 1,013 | Direct |