Simon May
Insider
First SEC filing: Jan. 7, 2022 · Latest: Jan. 7, 2022
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 8, 2026 | A | F | 368 | $115.62 | $42,548 | 14,015 Direct | -2.56% | Disposed | 45.1% (price as of 2026-10-02) |
| Nov. 26, 2025 | A | F | 300 | $154.37 | $46,311 | 14,207 Direct | -2.07% | Disposed | 8.7% (price as of 2026-10-02) |
| Nov. 18, 2025 | A | A | 6,781 | · | · | 14,507 Direct | +87.77% | Acquired | (price as of 2026-10-02) |
| May 8, 2025 | A | F | 368 | $108.70 | $40,002 | 7,491 Direct | -4.68% | Disposed | 54.4% (price as of 2026-10-02) |
| Nov. 27, 2024 | A | A | 9,968 | $138.14 | $1,376,980 | 9,968 Direct | · | Acquired | 21.5% (price as of 2026-10-02) |
| Nov. 27, 2024 | A | A | 3,452 | $138.14 | $476,859 | 7,687 Direct | +81.51% | Acquired | 21.5% (price as of 2026-10-02) |
| May 8, 2024 | A | A | 11,792 | $142.80 | $1,683,898 | 11,792 Direct | · | Acquired | 17.5% (price as of 2026-10-02) |
| May 8, 2024 | A | A | 4,235 | $142.80 | $604,758 | 4,235 Direct | · | Acquired | 17.5% (price as of 2026-10-02) |
| March 8, 2024 | BIO | A | 3,535 | · | · | 3,535 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 | 295 | $394.60 | $116,407 | 3,105 Direct | -8.68% | Disposed | -6.5% (price as of 2026-10-02) |
| Sept. 4, 2023 | BIO | M | 600 | · | · | 3,400 Direct | +21.43% | Acquired | (price as of 2026-10-02) |
| Sept. 3, 2023 | BIO | M | 526 | · | · | 526 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Sept. 3, 2023 | BIO | F | 182 | $394.60 | $71,817 | 2,800 Direct | -6.10% | Disposed | -6.5% (price as of 2026-10-02) |
| Sept. 3, 2023 | BIO | M | 526 | · | · | 2,982 Direct | +21.42% | Acquired | (price as of 2026-10-02) |
| Sept. 2, 2023 | BIO | M | 409 | · | · | 410 Direct | -49.94% | Disposed | (price as of 2026-10-02) |
| Sept. 2, 2023 | BIO | F | 142 | $394.60 | $56,033 | 2,456 Direct | -5.47% | Disposed | -6.5% (price as of 2026-10-02) |
| Sept. 2, 2023 | BIO | M | 409 | · | · | 2,598 Direct | +18.68% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2023 | BIO | M | 371 | · | · | 744 Direct | -33.27% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2023 | BIO | M | 520 | · | · | 1,562 Direct | -24.98% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2023 | BIO | A | 3,005 | · | · | 3,005 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2023 | BIO | F | 129 | $394.60 | $50,903 | 2,189 Direct | -5.57% | Disposed | -6.5% (price as of 2026-10-02) |
| Sept. 1, 2023 | BIO | M | 371 | · | · | 2,318 Direct | +19.05% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2023 | BIO | F | 180 | $394.60 | $71,028 | 1,947 Direct | -8.46% | Disposed | -6.5% (price as of 2026-10-02) |
| Sept. 1, 2023 | BIO | M | 520 | · | · | 2,127 Direct | +32.36% | Acquired | (price as of 2026-10-02) |
| Sept. 5, 2022 | BIO | M | 600 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Sept. 5, 2022 | BIO | F | 298 | $478.32 | $142,539 | 1,550 Direct | -16.13% | Disposed | -22.8% (price as of 2026-10-02) |
| Sept. 5, 2022 | BIO | M | 600 | · | · | 1,848 Direct | +48.08% | Acquired | (price as of 2026-10-02) |
| Sept. 4, 2022 | BIO | M | 600 | · | · | 600 Direct | -50.00% | Disposed | (price as of 2026-10-02) |
| Sept. 4, 2022 | BIO | F | 285 | $478.32 | $136,321 | 1,248 Direct | -18.59% | Disposed | -22.8% (price as of 2026-10-02) |
| Sept. 4, 2022 | BIO | M | 600 | · | · | 1,533 Direct | +64.31% | Acquired | (price as of 2026-10-02) |
| Sept. 3, 2022 | BIO | M | 526 | · | · | 1,052 Direct | -33.33% | Disposed | (price as of 2026-10-02) |
| Sept. 3, 2022 | BIO | F | 182 | $478.32 | $87,054 | 933 Direct | -16.32% | Disposed | -22.8% (price as of 2026-10-02) |
| Sept. 3, 2022 | BIO | M | 526 | · | · | 1,115 Direct | +89.30% | Acquired | (price as of 2026-10-02) |
| Sept. 2, 2022 | BIO | M | 409 | · | · | 819 Direct | -33.31% | Disposed | (price as of 2026-10-02) |
| Sept. 2, 2022 | BIO | F | 142 | $478.32 | $67,921 | 589 Direct | -19.43% | Disposed | -22.8% (price as of 2026-10-02) |
| Sept. 2, 2022 | BIO | M | 409 | · | · | 731 Direct | +127.02% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2022 | BIO | F | 129 | $486.25 | $62,726 | 322 Direct | -28.60% | Disposed | -24.1% (price as of 2026-10-02) |
| Sept. 1, 2022 | BIO | A | 2,082 | · | · | 2,082 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2022 | BIO | M | 371 | · | · | 1,115 Direct | -24.97% | Disposed | (price as of 2026-10-02) |
| Sept. 1, 2022 | BIO | M | 371 | · | · | 451 Direct | +463.75% | 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 |
|---|---|---|---|---|---|---|---|
| Nov. 27, 2024 | A | Employee Stock Option (Right to Buy) [F2] | Common Stock | $138.14 | Nov. 27, 2034 | 9,968 | Acquired |
| May 8, 2024 | A | Employee Stock Option (Right to Buy) [F2] | Common Stock | $142.80 | May 8, 2034 | 11,792 | Acquired |
| March 8, 2024 | BIO | Non-Qualified Stock Option (right to buy) | Bio-Rad A Common Stock | $343.76 | March 8, 2034 | 3,535 | 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 | · | · | 526 | Disposed |
| Sept. 2, 2023 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 409 | Disposed |
| Sept. 1, 2023 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 371 | Disposed |
| Sept. 1, 2023 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 520 | Disposed |
| Sept. 1, 2023 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 3,005 | Acquired |
| Sept. 5, 2022 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 600 | Disposed |
| Sept. 4, 2022 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 600 | Disposed |
| Sept. 3, 2022 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 526 | Disposed |
| Sept. 2, 2022 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 409 | Disposed |
| Sept. 1, 2022 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 2,082 | Acquired |
| Sept. 1, 2022 | BIO | Restricted Stock Units | Bio-Rad A Common Stock | · | · | 371 | 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 |
|---|---|---|---|---|
| Jan. 7, 2022 | BIO | Bio-Rad A Common Stock | 43 | Direct |
| Jan. 7, 2022 | BIO | Restricted Stock Units | 600 | Direct |
| Jan. 7, 2022 | BIO | Restricted Stock Units | 1,200 | Direct |
| Jan. 7, 2022 | BIO | Restricted Stock Units | 1,578 | Direct |
| Jan. 7, 2022 | BIO | Restricted Stock Units | 1,228 | Direct |
| Jan. 7, 2022 | BIO | Restricted Stock Units | 1,486 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | $517,813 | · | · | · | · | · | $18,432 | $2,089,221 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.