Lauren Mastrocola
Insider
First SEC filing: Oct. 15, 2020 · Latest: Oct. 15, 2020
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net: $-2,612,265
Price change vs the latest weekly close (updated to the current quote in your browser when available), 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 |
|---|---|---|---|---|---|---|---|---|---|
| May 14, 2026 | PRAX | A | 127 | $167.94 | $21,328 | 13,573 Direct | +0.94% | Acquired | 50.6% (price as of ) |
| Jan. 12, 2026 | PRAX | F | 344 | $275.74 | $94,855 | 13,446 Direct | -2.49% | Disposed | -8.3% (price as of ) |
| Jan. 10, 2026 | PRAX | F | 367 | $288.45 | $105,861 | 13,790 Direct | -2.59% | Disposed | -12.3% (price as of ) |
| Jan. 8, 2026 | PRAX | A | 3,750 | · | · | 14,157 Direct | +36.03% | Acquired | |
| Jan. 8, 2026 | PRAX | A | 7,500 | · | · | 7,500 Direct | · | Acquired | |
| Jan. 7, 2026 | PRAX | F | 35 | $292.63 | $10,242 | 10,407 Direct | -0.34% | Disposed | -13.6% (price as of ) |
| Nov. 20, 2025 | PRAX | M | 1,047 | $49.50 | $51,826 | 11,489 Direct | +10.03% | Acquired | 411.0% (price as of ) |
| Nov. 20, 2025 | PRAX | M | 508 | $83.85 | $42,596 | 11,997 Direct | +4.42% | Acquired | 201.7% (price as of ) |
| Nov. 20, 2025 | PRAX | M | 1,557 | $133.65 | $208,093 | 13,554 Direct | +12.98% | Acquired | 89.3% (price as of ) |
| Nov. 20, 2025 | PRAX | M | 2,680 | $43.37 | $116,232 | 16,234 Direct | +19.77% | Acquired | 483.3% (price as of ) |
| Nov. 20, 2025 | PRAX | M | 207 | $44.40 | $9,191 | 16,441 Direct | +1.28% | Acquired | 469.7% (price as of ) |
| Nov. 20, 2025 | PRAX | M | 2,351 | $44.40 | $104,384 | 18,792 Direct | +14.30% | Acquired | 469.7% (price as of ) |
| Nov. 20, 2025 | PRAX | M | 5,250 | $56.94 | $298,935 | 24,042 Direct | +27.94% | Acquired | 344.3% (price as of ) |
| Nov. 20, 2025 | PRAX | S | 11,455 | $191.96 | $2,198,902 | 12,587 Direct | -47.65% | Disposed | 31.8% (price as of ) |
| Nov. 20, 2025 | PRAX | S | 2,145 | $192.71 | $413,363 | 10,442 Direct | -17.04% | Disposed | 31.3% (price as of ) |
| Nov. 20, 2025 | PRAX | M | 1,047 | · | · | 0 Direct | -100.00% | Disposed | |
| Nov. 20, 2025 | PRAX | M | 508 | · | · | 0 Direct | -100.00% | Disposed | |
| Nov. 20, 2025 | PRAX | M | 1,557 | · | · | 0 Direct | -100.00% | Disposed | |
| Nov. 20, 2025 | PRAX | M | 2,680 | · | · | 9,320 Direct | -22.33% | Disposed | |
| Nov. 20, 2025 | PRAX | M | 207 | · | · | 0 Direct | -100.00% | Disposed | |
| Nov. 20, 2025 | PRAX | M | 2,351 | · | · | 981 Direct | -70.56% | Disposed | |
| Nov. 20, 2025 | PRAX | M | 5,250 | · | · | 11,376 Direct | -31.58% | Disposed | |
| Feb. 12, 2025 | PRAX | F | 40 | $85.40 | $3,416 | 10,442 Direct | -0.38% | Disposed | 196.2% (price as of ) |
| Jan. 12, 2025 | PRAX | F | 390 | $63.15 | $24,628 | 10,482 Direct | -3.59% | Disposed | 300.6% (price as of ) |
| Jan. 10, 2025 | PRAX | A | 5,000 | · | · | 10,872 Direct | +85.15% | Acquired | |
| Jan. 10, 2025 | PRAX | A | 10,000 | · | · | 10,000 Direct | · | Acquired | |
| Jan. 7, 2025 | PRAX | F | 35 | $77.52 | $2,713 | 5,872 Direct | -0.59% | Disposed | 226.3% (price as of ) |
| Nov. 14, 2024 | PRAX | A | 294 | $37.40 | $10,996 | 5,907 Direct | +5.24% | Acquired | 576.4% (price as of ) |
| Nov. 14, 2024 | PRAX | M | 4,374 | $56.94 | $249,056 | 10,801 Direct | +68.06% | Acquired | 344.3% (price as of ) |
| Nov. 14, 2024 | PRAX | S | 5,188 | $81.78 | $424,275 | 5,613 Direct | -48.03% | Disposed | 209.3% (price as of ) |
| Nov. 14, 2024 | PRAX | M | 4,374 | · | · | 16,626 Direct | -20.83% | Disposed | |
| July 29, 2024 | PRAX | A | 4,500 | · | · | 6,427 Direct | +233.52% | Acquired | |
| July 29, 2024 | PRAX | A | 21,000 | · | · | 21,000 Direct | · | Acquired | |
| Feb. 12, 2024 | PRAX | F | 48 | $44.65 | $2,143 | 1,927 Direct | -2.43% | Disposed | 466.5% (price as of ) |
| Jan. 12, 2024 | PRAX | A | 12,000 | · | · | 12,000 Direct | · | Acquired | |
| Jan. 7, 2024 | PRAX | F | 35 | $25.19 | $882 | 1,975 Direct | -1.74% | Disposed | 904.2% (price as of ) |
| Feb. 12, 2023 | PRAX | F | 711 | $3.94 | $2,801 | 30,160 Direct | -2.30% | Disposed | 328.0% (price as of ) |
| Jan. 12, 2023 | PRAX | A | 50,000 | · | · | 50,000 Direct | · | Acquired | |
| Jan. 12, 2023 | PRAX | A | 3,110 | · | · | 3,110 Direct | · | Acquired | |
| Jan. 7, 2023 | PRAX | F | 520 | $2.52 | $1,310 | 30,871 Direct | -1.66% | Disposed | 569.2% (price as of ) |
| June 22, 2022 | PRAX | A | 16,000 | · | · | 16,000 Direct | · | Acquired | |
| June 16, 2022 | PRAX | P | 3,000 | $1.92 | $5,760 | 31,391 Direct | +10.57% | Acquired | 778.3% (price as of ) |
| May 13, 2022 | PRAX | A | 2,557 | $8.80 | $22,502 | 28,391 Direct | +9.90% | Acquired | 91.6% (price as of ) |
| Feb. 12, 2022 | PRAX | F | 584 | $12.85 | $7,504 | 25,834 Direct | -2.21% | Disposed | 31.2% (price as of ) |
| Jan. 7, 2022 | PRAX | A | 6,000 | · | · | 26,418 Direct | +29.39% | Acquired | |
| Jan. 7, 2022 | PRAX | A | 21,000 | · | · | 21,000 Direct | · | Acquired | |
| Feb. 12, 2021 | PRAX | A | 8,200 | · | · | 20,418 Direct | +67.11% | Acquired | |
| Feb. 12, 2021 | PRAX | A | 48,700 | · | · | 48,700 Direct | · | Acquired | |
| Nov. 2, 2020 | PRAX | M | 12,218 | $3.30 | $40,319 | 12,218 Direct | · | Acquired | 411.0% (price as of ) |
| Nov. 2, 2020 | PRAX | M | 12,218 | $3.30 | $40,319 | 15,710 Direct | -43.75% | Disposed |
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 |
|---|---|---|---|---|---|---|---|
| Jan. 8, 2026 | PRAX | Stock Option (Right to Buy) | Common Stock | $294.38 | Jan. 8, 2036 | 7,500 | Acquired |
| Nov. 20, 2025 | PRAX | Stock Option (Right to Buy) | Common Stock | $49.50 | Sept. 23, 2029 | 1,047 | Disposed |
| Nov. 20, 2025 | PRAX | Stock Option (Right to Buy) | Common Stock | $83.85 | June 4, 2030 | 508 | Disposed |
| Nov. 20, 2025 | PRAX | Stock Option (Right to Buy) | Common Stock | $133.65 | Sept. 13, 2030 | 1,557 | Disposed |
| Nov. 20, 2025 | PRAX | Stock Option (Right to Buy) | Common Stock | $43.37 | Jan. 12, 2034 | 2,680 | Disposed |
| Nov. 20, 2025 | PRAX | Stock Option (Right to Buy) | Common Stock | $44.40 | Jan. 12, 2033 | 207 | Disposed |
| Nov. 20, 2025 | PRAX | Stock Option (Right to Buy) | Common Stock | $44.40 | Jan. 12, 2033 | 2,351 | Disposed |
| Nov. 20, 2025 | PRAX | Stock Option (Right to Buy) | Common Stock | $56.94 | July 29, 2034 | 5,250 | Disposed |
| Jan. 10, 2025 | PRAX | Stock Option (Right to Buy) | Common Stock | $63.15 | Jan. 10, 2035 | 10,000 | Acquired |
| Nov. 14, 2024 | PRAX | Stock Option (Right to Buy) | Common Stock | $56.94 | July 29, 2034 | 4,374 | Disposed |
| July 29, 2024 | PRAX | Stock Option (Right to Buy) | Common Stock | $56.94 | July 29, 2034 | 21,000 | Acquired |
| Jan. 12, 2024 | PRAX | Stock Option (Right to Buy) | Common Stock | $43.37 | Jan. 12, 2034 | 12,000 | Acquired |
| Jan. 12, 2023 | PRAX | Stock Option (Right to Buy) | Common Stock | $2.96 | Jan. 12, 2033 | 50,000 | Acquired |
| Jan. 12, 2023 | PRAX | Stock Option (Right to Buy) | Common Stock | $2.96 | Jan. 12, 2033 | 3,110 | Acquired |
| June 22, 2022 | PRAX | Stock Option (Right to Buy) | Common Stock | $2.12 | June 22, 2032 | 16,000 | Acquired |
| Jan. 7, 2022 | PRAX | Stock Option (Right to Buy) | Common Stock | $18.11 | Jan. 7, 2032 | 21,000 | Acquired |
| Feb. 12, 2021 | PRAX | Stock Option (Right to Buy) | Common Stock | $52.53 | Feb. 12, 2031 | 48,700 | Acquired |
| Nov. 2, 2020 | PRAX | Stock Option (Right to Buy) | Common Stock | $3.30 | Sept. 23, 2029 | 12,218 | Disposed |
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.