Matthew B. Klein
CIK 1808968 · View on SEC EDGAR ↗
Insider
First SEC filing: April 17, 2020 · Latest: April 17, 2020
On this page
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net:
$-891,162
+ 26 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
26 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 4, 2026 | PTCT | S | 10,292 | $68.57 | $705,722 | 383,868 Direct | -2.61% | Disposed | 5.9% (price as of 2026-08-19) |
| May 21, 2026 | CLPT | S | 16,000 | $11.59 | $185,440 | 46,935 Direct | -25.42% | Disposed | 36.8% (price as of 2026-08-19) |
| Jan. 7, 2022 | PTCT | S | 775 | $38.52 | $29,853 | 16,461 Direct | -4.50% | Disposed | 88.5% (price as of 2026-08-19) |
| April 20, 2021 | PTCT | S 10b5-1 | 1,444 | $46.58 | $67,262 | 17,006 Direct | -7.83% | Disposed | 55.9% (price as of 2026-08-19) |
| April 20, 2021 | PTCT | S 10b5-1 | 197 | $47.92 | $9,440 | 16,809 Direct | -1.16% | Disposed | 51.5% (price as of 2026-08-19) |
| April 19, 2021 | PTCT | S 10b5-1 | 859 | $48.17 | $41,378 | 18,450 Direct | -4.45% | Disposed | 50.8% (price as of 2026-08-19) |
| Jan. 15, 2021 | PTCT | S 10b5-1 | 4,300 | $69.09 | $297,087 | 19,309 Direct | -18.21% | Disposed | 5.1% (price as of 2026-08-19) |
| Jan. 8, 2021 | PTCT | S 10b5-1 | 4,000 | $69.48 | $277,920 | 20,809 Direct | -16.12% | Disposed | 4.5% (price as of 2026-08-19) |
| Jan. 8, 2021 | PTCT | S 10b5-1 | 1,500 | $70.32 | $105,480 | 19,309 Direct | -7.21% | Disposed | 3.3% (price as of 2026-08-19) |
| Jan. 7, 2021 | PTCT | S 10b5-1 | 3,886 | $68.98 | $268,056 | 19,309 Direct | -16.75% | Disposed | 5.3% (price as of 2026-08-19) |
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 |
|---|---|---|---|---|---|---|---|
| May 21, 2026 | CLPT | Restricted Stock Units | Common Stock (12,820) | — | — | 12,820 | Acquired |
| May 19, 2026 | CLPT | Restricted Stock Units | Common Stock (12,417) | — | — | 12,417 | Disposed |
| May 22, 2025 | CLPT | Restricted Stock Units | Common Stock (12,417) | — | — | 12,417 | Acquired |
| May 16, 2025 | CLPT | Restricted Stock Units | Common Stock (21,093) | — | — | 21,093 | Disposed |
| May 16, 2024 | CLPT | Restricted Stock Units | Common Stock (21,093) | — | — | 21,093 | Acquired |
| May 14, 2024 | CLPT | Restricted Stock Units | Common Stock (17,153) | — | — | 17,153 | Disposed |
| May 25, 2023 | CLPT | Restricted Stock Units | Common Stock (17,153) | — | — | 17,153 | Acquired |
| Jan. 7, 2022 | PTCT | Stock Option (Right to Buy) | Common Stock (50,000) | $38.10 | Jan. 6, 2032 | 50,000 | Acquired |
| Jan. 7, 2022 | PTCT | Stock Option (Right to Buy) | Common Stock (52,500) | $38.10 | Jan. 6, 2032 | 52,500 | Acquired |
| June 25, 2021 | CLPT | Stock Options (right to buy) | Common Stock (6,006) | $19.98 | June 25, 2031 | 6,006 | Acquired |
| Jan. 15, 2021 | PTCT | Stock Option (Right to Buy) | Common Stock (4,300) | $38.98 | Oct. 24, 2029 | 4,300 | Disposed |
| Jan. 8, 2021 | PTCT | Stock Option (Right to Buy) | Common Stock (5,500) | $38.98 | Oct. 24, 2029 | 5,500 | Disposed |
| Jan. 7, 2021 | PTCT | Stock Option (Right to Buy) | Common Stock (3,886) | $39.98 | Oct. 24, 2029 | 3,886 | Disposed |
| Jan. 6, 2021 | PTCT | Stock Option (Right to Buy) | Common Stock (52,500) | $66.49 | Jan. 5, 2031 | 52,500 | Acquired |
| April 16, 2020 | PTCT | Stock Option (Right To Buy) | Common Stock (50,000) | $47.49 | April 15, 2030 | 50,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 3 holdings
Securities held when first becoming an insider, per SEC Form 3.