Matthew B. Klein
CIK: 0001808968
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (31 total)
- Aug 4, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct10.3K shares at avg. $68.57$706K - May 21, 2026CLPT
ClearPoint Neuro, Inc.
Award(A)DirectRestricted Stock Units
12.8K shares- - May 21, 2026CLPT
ClearPoint Neuro, Inc.
Sale(S)Direct16K shares at avg. $11.59$185K - May 19, 2026CLPT
ClearPoint Neuro, Inc.
Exercise(M)Direct12.4K shares- - May 14, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct7.2K shares at avg. $73.08$528K - May 14, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct679 shares at avg. $73.06$50K - May 14, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct2.1K shares at avg. $73.08$153K - May 14, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct2.6K shares at avg. $72.46$186K - May 13, 2026PTCT
PTC THERAPEUTICS, INC.
Award(A)Direct12.5K shares- - Apr 21, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct2.9K shares at avg. $70.91$202K - Mar 12, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct2.7K shares at avg. $64.08$171K - Mar 11, 2026PTCT
PTC THERAPEUTICS, INC.
Award(A)Direct12.5K shares- - Feb 18, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct7.4K shares at avg. $69.36$511K - Jan 8, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct2.5K shares at avg. $76.45$192K - Jan 7, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct3K shares at avg. $77.48$234K - Jan 6, 2026PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct5.1K shares at avg. $76.95$396K - Jan 2, 2026PTCT
PTC THERAPEUTICS, INC.
Award(A)Direct63K shares- - Dec 30, 2025PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct8.1K shares at avg. $76.64$620K - Dec 2, 2025PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct3.4K shares at avg. $79.07$271K - Dec 1, 2025PTCT
PTC THERAPEUTICS, INC.
Award(A)Direct15.6K shares- - Aug 5, 2025PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct10.7K shares at avg. $51.74$556K - Aug 1, 2025PTCT
PTC THERAPEUTICS, INC.
Award(A)Direct75K shares- - May 22, 2025CLPT
ClearPoint Neuro, Inc.
Award(A)DirectRestricted Stock Units
12.4K shares- - May 16, 2025CLPT
ClearPoint Neuro, Inc.
Exercise(M)Direct21.1K shares- - Apr 22, 2025PTCT
PTC THERAPEUTICS, INC.
Sale(S)Direct2.8K shares at avg. $48.74$137K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Aug 4, 2026 |  PTCT PTC THERAPEUTICS, INC. | Sale(S) | 10,292 | $68.57 | $705,722 | Direct |
| May 21, 2026 |  CLPT ClearPoint Neuro, Inc. | Award(A) Restricted Stock Units | 12,820 | - | - | Direct |
| May 21, 2026 | CLPT ClearPoint Neuro, Inc. | Sale(S) | 16,000 | $11.59 | $185,440 | Direct |
| May 19, 2026 | CLPT ClearPoint Neuro, Inc. | Exercise(M) | 12,417 | - | $0 | Direct |
| May 14, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 7,221 | $73.08 | $527,711 | Direct |
| May 14, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 679 | $73.06 | $49,608 | Direct |
| May 14, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 2,100 | $73.08 | $153,468 | Direct |
| May 14, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 2,572 | $72.46 | $186,367 | Direct |
| May 13, 2026 | PTCT PTC THERAPEUTICS, INC. | Award(A) | 12,500 | - | $0 | Direct |
| Apr 21, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 2,850 | $70.91 | $202,094 | Direct |
| Mar 12, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 2,662 | $64.08 | $170,581 | Direct |
| Mar 11, 2026 | PTCT PTC THERAPEUTICS, INC. | Award(A) | 12,500 | - | $0 | Direct |
| Feb 18, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 7,371 | $69.36 | $511,253 | Direct |
| Jan 8, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 2,514 | $76.45 | $192,195 | Direct |
| Jan 7, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 3,016 | $77.48 | $233,680 | Direct |
| Jan 6, 2026 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 5,149 | $76.95 | $396,216 | Direct |
| Jan 2, 2026 | PTCT PTC THERAPEUTICS, INC. | Award(A) | 63,000 | - | $0 | Direct |
| Dec 30, 2025 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 8,089 | $76.64 | $619,941 | Direct |
| Dec 2, 2025 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 3,428 | $79.07 | $271,052 | Direct |
| Dec 1, 2025 | PTCT PTC THERAPEUTICS, INC. | Award(A) | 15,625 | - | - | Direct |
| Aug 5, 2025 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 10,739 | $51.74 | $555,636 | Direct |
| Aug 1, 2025 | PTCT PTC THERAPEUTICS, INC. | Award(A) | 75,000 | - | - | Direct |
| May 22, 2025 | CLPT ClearPoint Neuro, Inc. | Award(A) Restricted Stock Units | 12,417 | - | - | Direct |
| May 16, 2025 | CLPT ClearPoint Neuro, Inc. | Exercise(M) | 21,093 | - | - | Direct |
| Apr 22, 2025 | PTCT PTC THERAPEUTICS, INC. | Sale(S) | 2,804 | $48.74 | $136,656 | Direct |
1-25 of 31 transactions
About Klein Matthew B.
Klein Matthew B. (SEC CIK 0001808968) files insider reports with the SEC as CHIEF EXECUTIVE OFFICER of PTC THERAPEUTICS, INC. (PTCT) and Director of ClearPoint Neuro, Inc. (CLPT).
Signal8 holds 20 ownership filings by Klein Matthew B., all Form 4s, filed between Jan 3, 2025 and Aug 6, 2026. Those filings report 31 transactions, from Dec 31, 2024 to Aug 4, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on Klein Matthew B.'s filings is in WARREN, NJ.
Recent filings by Klein Matthew B.
- Aug 4, 2026: Open-market sale of PTCT shares (Form 4, code S).
- May 21, 2026: Grant or award of CLPT derivative securities (Form 4, code A).
- May 21, 2026: Open-market sale of CLPT shares (Form 4, code S).
- May 19, 2026: Option exercise of CLPT shares (Form 4, code M).
- May 14, 2026: Open-market sales of PTCT shares (4 lines, Form 4, code S).
Other insiders filing for PTC THERAPEUTICS, INC. (PTCT)
- SCHMERTZLER MICHAEL, Director
- Boulding Mark Elliott, EXEC. VP AND CLO
- STEELE GLENN JR MD PHD, Director
- Sollie-Zetlmayer Hege Elisabeth, Director
- Gravier Pierre, CHIEF FINANCIAL OFFICER
- Smith Mary L., Director