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Klein Matthew B.
InsiderCIK 0001808968
Largest Purchase
No open-market purchases in the recent filings.
Profile
- Filings
- 11
- Buy transactions
- 0
- Sell transactions
- 14
- Companies
- 1
- Active
- 2025–2026
Across 11 filings between 2025–2026, Klein Matthew B. has disclosed $16.9M in transactions — all concentrated in PTC THERAPEUTICS, INC. (PTCT). Their disclosed trades are heavily weighted toward selling — $0 in buys and $4.8M in sells. Data is sourced from official SEC Form 3, 4, and 5 filings.
Associated Companies
Trading History
11 loaded
| Aug 6 | PTCT PTC THERAPEUTICS, INC. | Klein Matthew B. | Insider | Sell | $705.7K |
| May 15 | PTCT PTC THERAPEUTICS, INC. | Klein Matthew B. | Insider | Sell | $917.2K |
| Apr 23 | PTCT PTC THERAPEUTICS, INC. | Klein Matthew B. | Insider | Sell | $202.1K |
| Mar 13 | PTCT PTC THERAPEUTICS, INC. | Klein Matthew B. | Insider | Sell | $170.6K |
| Feb 20 | PTCT PTC THERAPEUTICS, INC. | Klein Matthew B. | Insider | Sell | $511.3K |
| Jan 12 | PTCT PTC THERAPEUTICS, INC. | Klein Matthew B. | Insider | Sell | $192.2K |
| Jan 8 | PTCT PTC THERAPEUTICS, INC. | Klein Matthew B. | Insider | Sell | $629.9K |
| Jan 6 | PTCT PTC THERAPEUTICS, INC. | Klein Matthew B. | Insider | Grant | $12.1M |
| Jan 2 | PTCT PTC THERAPEUTICS, INC. | Klein Matthew B. | Insider | Sell | $619.9K |
| Dec 3 | PTCT PTC THERAPEUTICS, INC. | Klein Matthew B. | Insider | Sell | $271.1K |
| Aug 5 | PTCT PTC THERAPEUTICS, INC. | Klein Matthew B. | Insider | Sell | $555.6K |
11 filings