Marcio Souza
CIK 1707657 · View on SEC EDGAR ↗
First SEC filing: Oct. 15, 2020 · Latest: Oct. 15, 2020
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 23, 2023 | PRAX | P | 35,002 | $0.86 | $30,102 | 35,002 Indirect | — | Acquired | 2838.1% (price as of 2026-08-20) |
| March 23, 2023 | PRAX | P | 35,000 | $0.86 | $30,100 | 226,299 Direct | +18.30% | Acquired | 2838.1% (price as of 2026-08-20) |
| Aug. 25, 2022 | SYRE | P | 90,000 | $0.56 | $50,400 | 90,000 Direct | — | Acquired | 656.8% (price as of 2026-08-20) |
| Nov. 10, 2020 | PRAX | P | 3,846 | $26.08 | $100,304 | 24,450 Direct | +18.67% | Acquired | -3.1% (price as of 2026-08-20) |
| Feb. 10, 2020 | PTCT | S 10b5-1 | 625 | $53.92 | $33,700 | 6,744 Indirect | -8.48% | Disposed | 35.3% (price as of 2026-08-20) |
| Jan. 23, 2020 | PTCT | S | 154 | $53.25 | $8,200 | 5,074 Indirect | -2.95% | Disposed | 37.0% (price as of 2026-08-20) |
| Jan. 6, 2020 | PTCT | S | 86 | $48.17 | $4,143 | 5,228 Indirect | -1.62% | Disposed | 51.4% (price as of 2026-08-20) |
| Dec. 23, 2019 | PTCT | S 10b5-1 | 6,250 | $48.80 | $305,000 | 5,038 Indirect | -55.37% | Disposed | 49.5% (price as of 2026-08-20) |
| Dec. 23, 2019 | PTCT | S 10b5-1 | 18,668 | $49.19 | $918,279 | 38,221 Direct | -32.81% | Disposed | 48.3% (price as of 2026-08-20) |
| Dec. 23, 2019 | PTCT | S 10b5-1 | 11,332 | $48.43 | $548,809 | 56,889 Direct | -16.61% | Disposed | 50.6% (price as of 2026-08-20) |
| Dec. 23, 2019 | PTCT | S 10b5-1 | 7,004 | $49.32 | $345,437 | 38,221 Direct | -15.49% | Disposed | 47.9% (price as of 2026-08-20) |
| Dec. 23, 2019 | PTCT | S 10b5-1 | 8,877 | $48.58 | $431,245 | 45,225 Direct | -16.41% | Disposed | 50.2% (price as of 2026-08-20) |
| Dec. 23, 2019 | PTCT | S 10b5-1 | 21,271 | $49.14 | $1,045,257 | 38,221 Direct | -35.75% | Disposed | 48.5% (price as of 2026-08-20) |
| Dec. 23, 2019 | PTCT | S 10b5-1 | 8,729 | $48.32 | $421,785 | 59,492 Direct | -12.80% | Disposed | 51.0% (price as of 2026-08-20) |
| Dec. 23, 2019 | PTCT | S 10b5-1 | 14,814 | $49.14 | $727,960 | 38,221 Direct | -27.93% | Disposed | 48.5% (price as of 2026-08-20) |
| Dec. 23, 2019 | PTCT | S 10b5-1 | 6,000 | $48.32 | $289,920 | 53,035 Direct | -10.16% | Disposed | 51.0% (price as of 2026-08-20) |
| June 3, 2019 | PTCT | S | 5,490 | $40.38 | $221,686 | 58,664 Direct | -8.56% | Disposed | 80.7% (price as of 2026-08-20) |
| Jan. 7, 2019 | PTCT | S | 83 | $34.75 | $2,884 | 2,742 Indirect | -2.94% | Disposed | 109.9% (price as of 2026-08-20) |
| June 1, 2018 | PTCT | S | 5,161 | $34.65 | $178,829 | 63,071 Direct | -7.56% | Disposed | 110.5% (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 |
|---|---|---|---|---|---|---|---|
| July 29, 2024 | PRAX | Stock Option (Right to Buy) | Common Stock (185,000) | $56.94 | July 29, 2034 | 185,000 | Acquired |
| June 7, 2022 | SYRE | Director Stock Option (right to buy) | Common Stock (43,000) | $0.73 | June 6, 2032 | 43,000 | Acquired |
| Jan. 7, 2022 | PRAX | Stock Option (Right to Buy) | Common Stock (259,000) | $18.11 | Jan. 7, 2032 | 259,000 | Acquired |
| June 18, 2021 | SYRE | Director Stock Option (right to buy) | Common Stock (60,000) | $6.44 | June 17, 2031 | 60,000 | Acquired |
| Oct. 20, 2020 | PRAX | Series C -1 Preferred Stock | Common Stock (20,604) | — | — | 44,092 | Disposed |
| Feb. 10, 2020 | PTCT | Stock Option (Right To Buy) | Common Stock (625) | $12.92 | May 17, 2027 | 625 | Disposed |
| Jan. 29, 2020 | PTCT | Stock Option (Right To Buy) | Common Stock (4,170) | $51.16 | Jan. 28, 2030 | 4,170 | Acquired |
| Jan. 29, 2020 | PTCT | Stock Option (Right To Buy) | Common Stock (93,500) | $51.16 | Jan. 28, 2030 | 93,500 | Acquired |
| Dec. 23, 2019 | PTCT | Stock Option (Right To Buy) | Common Stock (6,250) | $12.92 | May 17, 2027 | 6,250 | Disposed |
| Dec. 23, 2019 | PTCT | Stock Option (Right To Buy) | Common Stock (30,000) | $18.01 | Jan. 2, 2028 | 30,000 | Disposed |
| Dec. 23, 2019 | PTCT | Stock Option (Right To Buy) | Common Stock (15,881) | $11.23 | Jan. 2, 2027 | 15,881 | Disposed |
| Dec. 23, 2019 | PTCT | Stock Option (Right To Buy) | Common Stock (30,000) | $12.53 | May 30, 2027 | 30,000 | Disposed |
| Jan. 22, 2019 | PTCT | Stock Option (Right to Buy) | Common Stock (112,500) | $33.02 | Jan. 21, 2029 | 112,500 | Acquired |
| Jan. 22, 2019 | PTCT | Stock Option (Right to Buy) | Common Stock (25,000) | $33.02 | Jan. 21, 2029 | 25,000 | Acquired |
| Jan. 22, 2019 | PTCT | Stock Option (Right to Buy) | Common Stock (6,825) | $33.02 | Jan. 21, 2029 | 6,825 | Acquired |
| Jan. 3, 2018 | PTCT | Stock Option (Right To Buy) | Common Stock (75,000) | $18.01 | Jan. 2, 2028 | 75,000 | Acquired |
| Jan. 3, 2018 | PTCT | Stock Option (Right To Buy) | Common Stock (2,696) | $18.01 | Jan. 2, 2028 | 2,696 | Acquired |
| May 31, 2017 | PTCT | Stock Option (Right To Buy) | Common Stock (30,000) | $12.53 | May 31, 2017 | 30,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 15, 2020 | PRAX | Series C-1 Preferred Stock→ Common Stock (20,604) | 20,604 | Direct |
| Oct. 15, 2020 | PRAX | Stock Option (Right to Buy)→ Common Stock (955,349) | 955,349 | Direct |
| Oct. 15, 2020 | PRAX | Stock Option (Right to Buy)→ Common Stock (1,028,037) | 1,028,037 | Direct |
| June 2, 2017 | PTCT | Common Stock | 36,457 | Direct |
| June 2, 2017 | PTCT | Stock Option (Right To Buy)→ Common Stock (30,000) | 30,000 | Direct |
| June 2, 2017 | PTCT | Stock Option (Right To Buy)→ Common Stock (10,525) | 10,525 | Direct |
| June 2, 2017 | PTCT | Stock Option (Right To Buy)→ Common Stock (16,000) | 16,000 | Direct |
| June 2, 2017 | PTCT | Stock Option (Right To Buy)→ Common Stock (2,000) | 2,000 | Direct |
| June 2, 2017 | PTCT | Stock Option (Right To Buy)→ Common Stock (23,100) | 23,100 | Direct |
| June 2, 2017 | PTCT | Stock Option (Right To Buy)→ Common Stock (10,000) | 10,000 | Indirect |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2019 | $528,000 | — | — | — | $363,000 | — | $7,920 | $3,709,523 |
| 2018 | $450,225 | $174,000 | — | — | $360,180 | — | $7,441 | $1,945,002 |
| 2017 | $401,396 | $75,000 | — | — | $165,300 | — | $30,429 | $1,524,266 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.