Michael Andrew Chambers
Insider
First SEC filing: June 6, 2022 · Latest: June 5, 2026
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
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| June 4, 2026 | SRPT | A | 16,875 | · | · | 27,535 Direct | +158.30% | Acquired | (price as of 2026-10-02) |
| Dec. 18, 2025 | SRPT | A | None | · | · | · Indirect | · | Acquired | (price as of 2026-10-02) |
| Dec. 18, 2025 | SRPT | D | None | · | · | · Indirect | · | Disposed | (price as of 2026-10-02) |
| March 10, 2025 | SRPT | A | 4,792 | · | · | 4,792 Direct | · | Acquired | (price as of 2026-10-02) |
| March 10, 2025 | SRPT | A | 2,383 | · | · | 10,660 Direct | +28.79% | Acquired | (price as of 2026-10-02) |
| Aug. 16, 2024 | SRPT | P | 5,648 | $134.66 | $760,560 | 284,034 Indirect | +2.03% | Acquired | -87.0% (price as of 2026-10-02) |
| Aug. 16, 2024 | SRPT | P | 18,284 | $134.06 | $2,451,153 | 278,386 Indirect | +7.03% | Acquired | -86.9% (price as of 2026-10-02) |
| Aug. 16, 2024 | SRPT | P | 13,106 | $133.07 | $1,744,015 | 260,102 Indirect | +5.31% | Acquired | -86.8% (price as of 2026-10-02) |
| March 1, 2024 | SRPT | A | 3,679 | · | · | 3,679 Direct | · | Acquired | (price as of 2026-10-02) |
| March 1, 2024 | SRPT | A | 1,846 | · | · | 8,277 Direct | +28.70% | Acquired | (price as of 2026-10-02) |
| Aug. 14, 2023 | SRPT | P | 4,032 | $109.89 | $443,076 | 246,996 Indirect | +1.66% | Acquired | -84.1% (price as of 2026-10-02) |
| Aug. 14, 2023 | SRPT | P | 5,947 | $109.19 | $649,353 | 242,964 Indirect | +2.51% | Acquired | -84.0% (price as of 2026-10-02) |
| Aug. 11, 2023 | SRPT | P | 23,686 | $108.05 | $2,559,272 | 237,017 Indirect | +11.10% | Acquired | -83.8% (price as of 2026-10-02) |
| Aug. 10, 2023 | SRPT | P | 31,570 | $106.26 | $3,354,628 | 213,331 Indirect | +17.37% | Acquired | -83.5% (price as of 2026-10-02) |
| Aug. 10, 2023 | SRPT | P | 1,091 | $105.90 | $115,537 | 181,761 Indirect | +0.60% | Acquired | -83.5% (price as of 2026-10-02) |
| Aug. 10, 2023 | SRPT | P | 2,206 | $104.67 | $230,902 | 180,670 Indirect | +1.24% | Acquired | -83.3% (price as of 2026-10-02) |
| March 6, 2023 | SRPT | A | 1,523 | · | · | 6,431 Direct | +31.03% | Acquired | (price as of 2026-10-02) |
| March 6, 2023 | SRPT | A | 3,257 | · | · | 3,257 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 14, 2022 | SRPT | P | 6,250 | $105.16 | $657,250 | 108,178 Direct | +6.13% | Acquired | -83.4% (price as of 2026-10-02) |
| Sept. 14, 2022 | SRPT | P | 30,106 | $104.67 | $3,151,195 | 101,928 Direct | +41.92% | Acquired | -83.3% (price as of 2026-10-02) |
| Sept. 14, 2022 | SRPT | P | 20,744 | $103.87 | $2,154,679 | 71,822 Direct | +40.61% | Acquired | -83.2% (price as of 2026-10-02) |
| Sept. 13, 2022 | SRPT | A | None | $20000000.00 | · | · Indirect | · | Acquired | -100.0% (price as of 2026-10-02) |
| Aug. 19, 2022 | SRPT | P | 6,060 | $108.80 | $659,328 | 51,078 Direct | +13.46% | Acquired | -83.9% (price as of 2026-10-02) |
| Aug. 19, 2022 | SRPT | P | 40,110 | $108.20 | $4,339,902 | 45,018 Direct | +817.24% | Acquired | -83.8% (price as of 2026-10-02) |
| June 2, 2022 | SRPT | A | 8,329 | · | · | 8,329 Direct | · | Acquired | (price as of 2026-10-02) |
| June 2, 2022 | SRPT | A | 4,908 | · | · | 4,908 Direct | · | 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 |
|---|---|---|---|---|---|---|---|
| Dec. 18, 2025 | SRPT | Convertible Senior Notes | Common Stock | $60.00 | · | · | Acquired |
| Dec. 18, 2025 | SRPT | Convertible Senior Notes | Common Stock | $141.97 | · | · | Disposed |
| March 10, 2025 | SRPT | Stock Options (right to buy) | Common Stock | $99.69 | March 10, 2035 | 4,792 | Acquired |
| March 1, 2024 | SRPT | Stock Option (right to buy) | Common Stock | $128.67 | March 1, 2034 | 3,679 | Acquired |
| March 6, 2023 | SRPT | Stock Option (right to buy) | Common Stock | $155.99 | March 6, 2033 | 3,257 | Acquired |
| Sept. 13, 2022 | SRPT | Convertible Senior Notes | Common Stock | $141.97 | · | · | Acquired |
| June 2, 2022 | SRPT | Stock Option (right to buy) | Common Stock | $72.58 | June 2, 2032 | 8,329 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| June 6, 2022 | SRPT | Common Stock | 75,194 | Indirect |