Katie Peng
CIK 1983850 · View on SEC EDGAR ↗
Insider
First SEC filing: June 8, 2026 · Latest: June 8, 2026
On this page
Insider at
Insider transactions
0 buys (P)
3 sells (S)
Net:
$-293,398
+ 18 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
18 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 1, 2026 | SRRK | S 10b5-1 | 21 | $54.96 | $1,154 | 34,301 Direct | -0.06% | Disposed | 0.8% (price as of 2026-08-20) |
| July 1, 2026 | SRRK | S 10b5-1 | 2,437 | $54.25 | $132,207 | 34,322 Direct | -6.63% | Disposed | 2.1% (price as of 2026-08-20) |
| July 1, 2026 | SRRK | S 10b5-1 | 2,988 | $53.56 | $160,037 | 36,759 Direct | -7.52% | Disposed | 3.5% (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 |
|---|---|---|---|---|---|---|---|
| June 21, 2026 | ACET | Stock Option (Right to Buy) | Common Stock (4,200) | $8.10 | June 20, 2036 | 4,200 | Acquired |
| June 4, 2026 | SRRK | Stock Option (Right to Buy) | Common Stock (4,310) | $45.33 | June 4, 2036 | 4,310 | Acquired |
| June 11, 2025 | ACET | Stock Option (Right to Buy) | Common Stock (26,400) | $0.78 | June 10, 2035 | 26,400 | Acquired |
| May 22, 2025 | SRRK | Stock Option (Right to Buy) | Common Stock (9,206) | $30.46 | May 22, 2035 | 9,206 | Acquired |
| Aug. 21, 2024 | ACET | Stock Option (Right to Buy) | Common Stock (70,200) | — | July 9, 2033 | 70,200 | Acquired |
| Aug. 21, 2024 | ACET | Stock Option (Right to Buy) | Common Stock (70,200) | $2.14 | July 9, 2033 | 70,200 | Disposed |
| June 27, 2024 | SRRK | Stock Option (Right to Buy) | Common Stock (6,000) | $8.36 | June 27, 2034 | 6,000 | Acquired |
| June 5, 2024 | ACET | Stock Option (Right to Buy) | Common Stock (26,400) | $1.44 | June 4, 2034 | 26,400 | Acquired |
| April 9, 2024 | SRRK | Stock Option (Right to Buy) | Common Stock (35,767) | $14.82 | April 9, 2034 | 35,767 | Acquired |
| Aug. 14, 2023 | ACET | Stock Option (Right to Buy) | Common Stock (70,200) | — | July 9, 2033 | 70,200 | Acquired |
| Aug. 14, 2023 | ACET | Stock Option (Right to Buy) | Common Stock (70,200) | $3.38 | July 9, 2033 | 70,200 | Disposed |
| July 10, 2023 | ACET | Stock Option (Right to Buy) | Common Stock (70,200) | $3.38 | July 9, 2033 | 70,200 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).