Dean Y Li
Insider
First SEC filing: April 15, 2021 · Latest: May 7, 2026
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-2,994,700
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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 1, 2026 | RXRX | A | 3,378 | · | · | 1,476,707 Direct | +0.23% | Acquired | (price as of 2026-10-06) |
| July 1, 2026 | RXRX | A | 3,747 | · | · | 1,473,329 Direct | +0.25% | Acquired | (price as of 2026-10-06) |
| June 17, 2026 | RXRX | A | 88,424 | · | · | 1,469,582 Direct | +6.40% | Acquired | (price as of 2026-10-06) |
| May 5, 2026 | MRK | A | 58,207 | · | · | 58,207 Direct | · | Acquired | (price as of 2026-10-06) |
| May 5, 2026 | MRK | A | 19,885 | · | · | 19,885 Direct | · | Acquired | (price as of 2026-10-06) |
| April 29, 2026 | MRK | M | 4,722 | · | · | 9,444 Direct | -33.33% | Disposed | (price as of 2026-10-06) |
| April 29, 2026 | MRK | F | 2,326 | $110.03 | $255,930 | 94,431 Direct | -2.40% | Disposed | 29.0% (price as of 2026-10-06) |
| April 29, 2026 | MRK | M | 4,722 | $110.03 | $519,562 | 96,757 Direct | +5.13% | Acquired | 29.0% (price as of 2026-10-06) |
| April 1, 2026 | RXRX | A | 3,268 | · | · | 1,244,177 Direct | +0.26% | Acquired | (price as of 2026-10-06) |
| Feb. 10, 2026 | MRK | S | 10,235 | $117.52 | $1,202,817 | 92,035 Direct | -10.01% | Disposed | 20.8% (price as of 2026-10-06) |
| Feb. 4, 2026 | MRK | M | 15,087 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 4, 2026 | MRK | S | 15,087 | $118.77 | $1,791,883 | 102,270 Direct | -12.86% | Disposed | 19.5% (price as of 2026-10-06) |
| Feb. 4, 2026 | MRK | M | 15,087 | $56.04 | $845,475 | 117,357 Direct | +14.75% | Acquired | 153.3% (price as of 2026-10-06) |
| Jan. 26, 2026 | MRK | A | 20,469 | $107.40 | $2,198,371 | 102,270 Direct | +25.02% | Acquired | 32.2% (price as of 2026-10-06) |
| Jan. 2, 2026 | RXRX | A | 2,381 | · | · | 1,240,909 Direct | +0.19% | Acquired | (price as of 2026-10-06) |
| Oct. 1, 2025 | RXRX | A | 1,961 | · | · | 1,238,528 Direct | +0.16% | Acquired | (price as of 2026-10-06) |
| July 1, 2025 | RXRX | A | 1,949 | · | · | 1,236,567 Direct | +0.16% | Acquired | (price as of 2026-10-06) |
| June 18, 2025 | RXRX | A | 22,016 | · | · | 1,234,618 Direct | +1.82% | Acquired | (price as of 2026-10-06) |
| June 18, 2025 | RXRX | A | 44,031 | · | · | 44,031 Direct | · | Acquired | (price as of 2026-10-06) |
| April 29, 2025 | MRK | A | 64,481 | · | · | 64,481 Direct | · | Acquired | (price as of 2026-10-06) |
| April 29, 2025 | MRK | A | 14,166 | · | · | 14,166 Direct | · | Acquired | (price as of 2026-10-06) |
| April 1, 2025 | RXRX | A | 2,268 | · | · | 79,618 Direct | +2.93% | Acquired | (price as of 2026-10-06) |
| Jan. 27, 2025 | MRK | A | 32,621 | $97.94 | $3,194,901 | 79,592 Direct | +69.45% | Acquired | 44.9% (price as of 2026-10-06) |
| Jan. 2, 2025 | RXRX | A | 1,647 | · | · | 77,350 Direct | +2.18% | Acquired | (price as of 2026-10-06) |
| Oct. 1, 2024 | RXRX | A | 1,925 | · | · | 75,703 Direct | +2.61% | Acquired | (price as of 2026-10-06) |
| July 1, 2024 | RXRX | A | 1,592 | · | · | 73,778 Direct | +2.21% | Acquired | (price as of 2026-10-06) |
| June 3, 2024 | RXRX | A | 13,097 | · | · | 72,186 Direct | +22.16% | Acquired | (price as of 2026-10-06) |
| June 3, 2024 | RXRX | A | 26,193 | · | · | 26,193 Direct | · | Acquired | (price as of 2026-10-06) |
| April 30, 2024 | MRK | A | 65,625 | · | · | 65,625 Direct | · | Acquired | (price as of 2026-10-06) |
| April 1, 2024 | RXRX | A | 1,267 | · | · | 59,089 Direct | +2.19% | Acquired | (price as of 2026-10-06) |
| Feb. 9, 2024 | MRK | M | 14,702 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Feb. 9, 2024 | MRK | S | 14,702 | $125.50 | $1,845,101 | 46,242 Direct | -24.12% | Disposed | 13.1% (price as of 2026-10-06) |
| Feb. 9, 2024 | MRK | M | 14,702 | $62.07 | $912,553 | 60,944 Direct | +31.79% | Acquired | 128.7% (price as of 2026-10-06) |
| Jan. 22, 2024 | MRK | A | 25,760 | $119.43 | $3,076,517 | 46,242 Direct | +125.77% | Acquired | 18.8% (price as of 2026-10-06) |
| Jan. 9, 2024 | RXRX | S 10b5-1 | 962 | $14.03 | $13,497 | 421,000 Indirect | -0.23% | Disposed | -67.0% (price as of 2026-10-06) |
| Jan. 9, 2024 | RXRX | S 10b5-1 | 28,038 | $13.65 | $382,719 | 421,962 Indirect | -6.23% | Disposed | -66.1% (price as of 2026-10-06) |
| Jan. 2, 2024 | RXRX | A | 1,203 | · | · | 1,327,618 Direct | +0.09% | Acquired | (price as of 2026-10-06) |
| Oct. 2, 2023 | RXRX | A | 1,659 | · | · | 1,326,415 Direct | +0.13% | Acquired | (price as of 2026-10-06) |
| July 3, 2023 | RXRX | A | 1,609 | · | · | 637,461 Direct | +0.25% | Acquired | (price as of 2026-10-06) |
| June 16, 2023 | RXRX | A | 25,224 | · | · | 25,224 Direct | · | Acquired | (price as of 2026-10-06) |
| June 16, 2023 | RXRX | A | 12,612 | · | · | 636,021 Direct | +2.02% | Acquired | (price as of 2026-10-06) |
| May 2, 2023 | MRK | A | 77,455 | · | · | 77,455 Direct | · | Acquired | (price as of 2026-10-06) |
| May 1, 2023 | MRK | M | 1,062 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| May 1, 2023 | MRK | F | 524 | $115.47 | $60,506 | 20,471 Direct | -2.50% | Disposed | 22.9% (price as of 2026-10-06) |
| May 1, 2023 | MRK | M | 1,062 | $115.47 | $122,629 | 20,995 Direct | +5.33% | Acquired | 22.9% (price as of 2026-10-06) |
| April 21, 2023 | RXRX | G | 627,705 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-06) |
| April 3, 2023 | RXRX | A | 1,724 | · | · | 623,409 Direct | +0.28% | Acquired | (price as of 2026-10-06) |
| Jan. 23, 2023 | MRK | A | 3,275 | $109.88 | $359,857 | 19,933 Direct | +19.66% | Acquired | 29.2% (price as of 2026-10-06) |
| Jan. 3, 2023 | RXRX | A | 1,573 | · | · | 621,685 Direct | +0.25% | Acquired | (price as of 2026-10-06) |
| Oct. 3, 2022 | RXRX | A | 1,092 | · | · | 620,112 Direct | +0.18% | Acquired | (price as of 2026-10-06) |
| July 1, 2022 | RXRX | A | 1,409 | · | · | 619,020 Direct | +0.23% | Acquired | (price as of 2026-10-06) |
| June 14, 2022 | RXRX | A | 36,290 | · | · | 36,290 Direct | · | Acquired | (price as of 2026-10-06) |
| June 14, 2022 | RXRX | A | 18,145 | · | · | 617,611 Direct | +3.03% | Acquired | (price as of 2026-10-06) |
| May 3, 2022 | MRK | A | 75,728 | · | · | 75,728 Direct | · | Acquired | (price as of 2026-10-06) |
| May 3, 2022 | MRK | M | 773 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| May 3, 2022 | MRK | F | 381 | $87.65 | $33,395 | 16,458 Direct | -2.26% | Disposed | 61.9% (price as of 2026-10-06) |
| May 3, 2022 | MRK | M | 773 | $87.65 | $67,753 | 16,839 Direct | +4.81% | Acquired | 61.9% (price as of 2026-10-06) |
| May 1, 2022 | MRK | M | 1,061 | · | · | 1,062 Direct | -49.98% | Disposed | (price as of 2026-10-06) |
| May 1, 2022 | MRK | F | 523 | $88.69 | $46,385 | 16,066 Direct | -3.15% | Disposed | 60.0% (price as of 2026-10-06) |
| May 1, 2022 | MRK | M | 1,061 | $88.69 | $94,100 | 16,589 Direct | +6.83% | Acquired | 60.0% (price as of 2026-10-06) |
| April 1, 2022 | RXRX | A | 1,544 | · | · | 599,466 Direct | +0.26% | Acquired | (price as of 2026-10-06) |
| Feb. 24, 2022 | MRK | A | 3,023 | $73.51 | $222,221 | 15,462 Direct | +24.30% | Acquired | 93.1% (price as of 2026-10-06) |
| Jan. 3, 2022 | RXRX | A | 659 | · | · | 597,922 Direct | +0.11% | Acquired | (price as of 2026-10-06) |
| Dec. 7, 2021 | RXRX | S 10b5-1 | 1,000 | $21.06 | $21,060 | 1,315,000 Indirect | -0.08% | Disposed | -78.0% (price as of 2026-10-06) |
| Dec. 7, 2021 | RXRX | S 10b5-1 | 14,900 | $20.44 | $304,556 | 1,316,000 Indirect | -1.12% | Disposed | -77.3% (price as of 2026-10-06) |
| Nov. 19, 2021 | RXRX | S 10b5-1 | 13,474 | $20.20 | $272,175 | 1,330,900 Indirect | -1.00% | Disposed | -77.1% (price as of 2026-10-06) |
| Nov. 19, 2021 | RXRX | S 10b5-1 | 13,474 | $20.20 | $272,175 | 578,163 Direct | -2.28% | Disposed | -77.1% (price as of 2026-10-06) |
| Nov. 17, 2021 | RXRX | S 10b5-1 | 5,626 | $20.04 | $112,745 | 1,344,374 Indirect | -0.42% | Disposed | -76.9% (price as of 2026-10-06) |
| Nov. 17, 2021 | RXRX | S 10b5-1 | 5,626 | $20.04 | $112,745 | 591,637 Direct | -0.94% | Disposed | -76.9% (price as of 2026-10-06) |
| Oct. 1, 2021 | RXRX | A | 543 | · | · | 597,263 Direct | +0.09% | Acquired | (price as of 2026-10-06) |
| July 1, 2021 | RXRX | A | 330 | · | · | 596,720 Direct | +0.06% | Acquired | (price as of 2026-10-06) |
| May 4, 2021 | MRK | M | 694 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| May 4, 2021 | MRK | A | 91,837 | · | · | 91,837 Direct | · | Acquired | (price as of 2026-10-06) |
| May 4, 2021 | MRK | F | 238 | $75.98 | $18,083 | 12,310 Direct | -1.90% | Disposed | 95.8% (price as of 2026-10-06) |
| May 4, 2021 | MRK | M | 694 | $75.98 | $52,730 | 12,548 Direct | +5.85% | Acquired | 95.8% (price as of 2026-10-06) |
| May 3, 2021 | MRK | M | 750 | · | · | 750 Direct | -50.00% | Disposed | (price as of 2026-10-06) |
| May 3, 2021 | MRK | F | 257 | $74.50 | $19,146 | 11,854 Direct | -2.12% | Disposed | 99.7% (price as of 2026-10-06) |
| May 3, 2021 | MRK | M | 750 | $74.50 | $55,875 | 12,111 Direct | +6.60% | Acquired | 99.7% (price as of 2026-10-06) |
| May 1, 2021 | MRK | M | 1,030 | · | · | 2,060 Direct | -33.33% | Disposed | (price as of 2026-10-06) |
| May 1, 2021 | MRK | F | 354 | $74.50 | $26,373 | 11,361 Direct | -3.02% | Disposed | 99.7% (price as of 2026-10-06) |
| May 1, 2021 | MRK | M | 1,030 | $74.50 | $76,735 | 11,715 Direct | +9.64% | Acquired | 99.7% (price as of 2026-10-06) |
| April 20, 2021 | RXRX | J | 13,889 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| April 20, 2021 | RXRX | C | 32,685 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-06) |
| April 20, 2021 | RXRX | C | 22,698 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-06) |
| April 20, 2021 | RXRX | C | 27,778 | · | · | 27,778 Direct | · | Acquired | (price as of 2026-10-06) |
| April 20, 2021 | RXRX | C | 27,778 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| April 20, 2021 | RXRX | J | 13,889 | · | · | 596,390 Direct | +2.38% | Acquired | (price as of 2026-10-06) |
| April 20, 2021 | RXRX | J | 582,501 | · | · | 582,501 Direct | · | Acquired | (price as of 2026-10-06) |
| April 20, 2021 | RXRX | J | 582,501 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| April 20, 2021 | RXRX | J | 1,350,000 | · | · | 1,350,000 Indirect | · | Acquired | (price as of 2026-10-06) |
| April 20, 2021 | RXRX | J | 1,350,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-06) |
| April 20, 2021 | RXRX | J | 450,000 | · | · | 450,000 Indirect | · | Acquired | (price as of 2026-10-06) |
| April 20, 2021 | RXRX | J | 450,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-06) |
| April 20, 2021 | RXRX | J | 1,422,048 | · | · | 1,422,048 Indirect | · | Acquired | (price as of 2026-10-06) |
| April 20, 2021 | RXRX | J | 1,422,048 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-06) |
| April 20, 2021 | RXRX | C | 55,383 | · | · | 1,422,048 Indirect | +4.05% | Acquired | (price as of 2026-10-06) |
| April 16, 2021 | RXRX | A | 13,889 | · | · | 596,390 Direct | +2.38% | Acquired | (price as of 2026-10-06) |
| April 15, 2021 | RXRX | A | 27,778 | · | · | 27,778 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 26, 2021 | MRK | A | 3,485 | $72.62 | $253,081 | 10,655 Direct | +48.61% | Acquired | 104.8% (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| May 5, 2026 | MRK | Stock Option (Right to Buy) | Common Stock | $113.15 | May 4, 2036 | 58,207 | Acquired |
| May 5, 2026 | MRK | Restricted Stock Unit | Common Stock | · | May 5, 2029 | 19,885 | Acquired |
| April 29, 2026 | MRK | Restricted Stock Unit | Common Stock | · | April 29, 2028 | 4,722 | Disposed |
| Feb. 4, 2026 | MRK | Stock Option (Right to Buy) | Common Stock | · | May 3, 2028 | 15,087 | Disposed |
| June 18, 2025 | RXRX | Stock Option (Right to Buy) | Class A Common Stock | $5.11 | June 18, 2035 | 44,031 | Acquired |
| April 29, 2025 | MRK | Stock Option (Right to Buy) | Common Stock | $84.71 | April 28, 2035 | 64,481 | Acquired |
| April 29, 2025 | MRK | Restricted Stock Unit | Common Stock | · | April 29, 2028 | 14,166 | Acquired |
| June 3, 2024 | RXRX | Stock Option (Right to Buy) | Class A Common Stock | $8.59 | June 3, 2034 | 26,193 | Acquired |
| April 30, 2024 | MRK | Stock Option (Right to Buy) | Common Stock | $129.22 | April 29, 2034 | 65,625 | Acquired |
| Feb. 9, 2024 | MRK | Stock Option (Right to Buy) | Common Stock | · | May 4, 2027 | 14,702 | Disposed |
| June 16, 2023 | RXRX | Stock Option (Right to Buy) | Class A Common Stock | $8.92 | June 16, 2033 | 25,224 | Acquired |
| May 2, 2023 | MRK | Stock Option (Right to Buy) | Common Stock | $117.89 | May 1, 2033 | 77,455 | Acquired |
| May 1, 2023 | MRK | Restricted Stock Unit | Common Stock | · | May 1, 2023 | 1,062 | Disposed |
| June 14, 2022 | RXRX | Stock Option (right to buy) | Class A Common Stock | $6.20 | June 14, 2032 | 36,290 | Acquired |
| May 3, 2022 | MRK | Stock Option (Right to Buy) | Common Stock | $87.10 | May 2, 2032 | 75,728 | Acquired |
| May 3, 2022 | MRK | Restricted Stock Unit | Common Stock | · | May 3, 2022 | 773 | Disposed |
| May 1, 2022 | MRK | Restricted Stock Unit | Common Stock | · | May 1, 2023 | 1,061 | Disposed |
| May 4, 2021 | MRK | Restricted Stock Unit | Common Stock | · | May 4, 2021 | 694 | Disposed |
| May 4, 2021 | MRK | Stock Option (Right to Buy) | Common Stock | $75.99 | May 3, 2031 | 91,837 | Acquired |
| May 3, 2021 | MRK | Restricted Stock Unit | Common Stock | · | May 3, 2022 | 750 | Disposed |
| May 1, 2021 | MRK | Restricted Stock Unit | Common Stock | · | May 1, 2023 | 1,030 | Disposed |
| April 20, 2021 | RXRX | Series A-1 Preferred Stock | Common Stock [F1] | · | · | 32,685 | Disposed |
| April 20, 2021 | RXRX | Series A Preferred Stock | Common Stock [F1] | · | · | 22,698 | Disposed |
| April 20, 2021 | RXRX | Stock Option (Right to Buy) | Class A Common Stock [F1] | $18.00 | April 14, 2031 | 27,778 | Acquired |
| April 20, 2021 | RXRX | Stock Option (Right to Buy) | Common Stock [F1] | $18.00 | April 14, 2031 | 27,778 | Disposed |
| April 15, 2021 | RXRX | Stock Option (Right to Buy) | Common Stock [F1] | $18.00 | April 14, 2031 | 27,778 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 14 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 15, 2021 | RXRX | Common Stock [F1] | 582,501 | Direct |
| April 15, 2021 | RXRX | Common Stock [F1] | 1,366,665 | Indirect |
| April 15, 2021 | RXRX | Common Stock [F1] | 450,000 | Indirect |
| April 15, 2021 | RXRX | Common Stock [F1] | 1,350,000 | Indirect |
| April 15, 2021 | RXRX | Series A Preferred Stock | 22,698 | Indirect |
| April 15, 2021 | RXRX | Series A-1 Preferred Stock | 32,685 | Indirect |
| Jan. 7, 2021 | MRK | Common Stock | 7,170 | Direct |
| Jan. 7, 2021 | MRK | Restricted Stock Unit | 694 | Direct |
| Jan. 7, 2021 | MRK | Restricted Stock Unit | 1,500 | Direct |
| Jan. 7, 2021 | MRK | Restricted Stock Unit | 3,090 | Direct |
| Jan. 7, 2021 | MRK | Stock Option (Right to Buy) | 14,265 | Direct |
| Jan. 7, 2021 | MRK | Stock Option (Right to Buy) | 14,638 | Direct |
| Jan. 7, 2021 | MRK | Stock Option (Right to Buy) | 16,936 | Direct |
| Jan. 7, 2021 | MRK | Stock Option (Right to Buy) | 24,165 | 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 | $1,368,819 | $0 | · | · | $2,072,000 | $339,249 | $172,146 | $9,779,414 |
| 2022 | $1,095,055 | $0 | · | · | $2,225,000 | $210,204 | $122,233 | $7,766,063 |
| 2021 | $937,104 | $0 | · | · | $1,400,799 | $114,593 | $66,057 | $5,480,919 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.