Carolyn C. Tang
CIK 1836662 · View on SEC EDGAR ↗
First SEC filing: Dec. 18, 2020 · Latest: June 12, 2026
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. 16, 2022 | RCUS | S | 398 | $31.23 | $12,430 | 28,584 Direct | -1.37% | Disposed | -3.7% (price as of 2026-08-21) |
| Dec. 16, 2022 | RCUS | S | 2,125 | $30.66 | $65,152 | 28,982 Direct | -6.83% | Disposed | -1.9% (price as of 2026-08-21) |
| June 17, 2022 | RCUS | S | 1,073 | $22.29 | $23,917 | 23,909 Direct | -4.30% | Disposed | 34.9% (price as of 2026-08-21) |
| June 17, 2022 | RCUS | S | 449 | $21.71 | $9,748 | 24,982 Direct | -1.77% | Disposed | 38.5% (price as of 2026-08-21) |
| June 16, 2022 | RCUS | S | 1,400 | $20.72 | $29,008 | 25,431 Direct | -5.22% | Disposed | 45.1% (price as of 2026-08-21) |
| Dec. 17, 2021 | RCUS | S | 225 | $41.42 | $9,320 | 17,564 Direct | -1.26% | Disposed | -27.4% (price as of 2026-08-21) |
| Dec. 17, 2021 | RCUS | S | 171 | $40.57 | $6,937 | 17,789 Direct | -0.95% | Disposed | -25.9% (price as of 2026-08-21) |
| Dec. 17, 2021 | RCUS | S | 88 | $39.67 | $3,491 | 17,960 Direct | -0.49% | Disposed | -24.2% (price as of 2026-08-21) |
| Dec. 17, 2021 | RCUS | S | 138 | $38.79 | $5,353 | 18,048 Direct | -0.76% | Disposed | -22.5% (price as of 2026-08-21) |
| Dec. 16, 2021 | RCUS | S | 131 | $40.46 | $5,300 | 18,186 Direct | -0.72% | Disposed | -25.7% (price as of 2026-08-21) |
| Dec. 16, 2021 | RCUS | S | 356 | $39.59 | $14,094 | 18,317 Direct | -1.91% | Disposed | -24.0% (price as of 2026-08-21) |
| June 17, 2021 | RCUS | S | 1,606 | $23.68 | $38,030 | 15,362 Direct | -9.46% | Disposed | 27.0% (price as of 2026-08-21) |
| June 16, 2021 | RCUS | S | 52 | $24.77 | $1,288 | 16,968 Direct | -0.31% | Disposed | 21.4% (price as of 2026-08-21) |
| June 16, 2021 | RCUS | S | 1,257 | $24.13 | $30,331 | 17,020 Direct | -6.88% | Disposed | 24.6% (price as of 2026-08-21) |
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 |
|---|---|---|---|---|---|---|---|
| June 11, 2026 | RCUS | Stock Option (Right to Buy) | Common Stock (34,090) | $2.57 | Aug. 30, 2027 | 34,090 | Disposed |
| Jan. 23, 2023 | RCUS | Stock Option (right to buy) | Common Stock (138,200) | $22.02 | Jan. 22, 2033 | 138,200 | Acquired |
| March 8, 2022 | RCUS | Stock Option (right to buy) | Common Stock (65,000) | $33.03 | March 7, 2032 | 65,000 | Acquired |
| Jan. 19, 2021 | RCUS | Stock Option (right to buy) | Common Stock (75,225) | $36.73 | Jan. 18, 2031 | 75,225 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 9 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Dec. 18, 2020 | RCUS | Common Stock | 7,348 | Direct |
| Dec. 18, 2020 | RCUS | Common Stock | 33,000 | Direct |
| Dec. 18, 2020 | RCUS | Stock Option (Right to Buy)→ Common Stock (34,090) | 34,090 | Direct |
| Dec. 18, 2020 | RCUS | Stock Option (Right to Buy)→ Common Stock (31,564) | 31,564 | Direct |
| Dec. 18, 2020 | RCUS | Stock Option (Right to Buy)→ Common Stock (30,000) | 30,000 | Direct |
| Dec. 18, 2020 | RCUS | Stock Option (Right to Buy)→ Common Stock (40,000) | 40,000 | Direct |
| Dec. 18, 2020 | RCUS | Stock Option (Right to Buy)→ Common Stock (25,000) | 25,000 | Direct |
| Dec. 18, 2020 | RCUS | Stock Option (Right to Buy)→ Common Stock (139,346) | 139,346 | Direct |
| Dec. 18, 2020 | RCUS | Stock Option (Right to Buy)→ Common Stock (100,000) | 100,000 | Direct |