Stefan Vitorovic
Insider
First SEC filing: Oct. 15, 2020 · Latest: June 10, 2026
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 9, 2026 | TECX | A | 10,200 | · | · | 10,200 Direct | · | Acquired | (price as of 2026-10-02) |
| June 9, 2025 | TECX | A | 10,200 | · | · | 10,200 Direct | · | Acquired | (price as of 2026-10-02) |
| June 20, 2024 | TECX | A | 1,000,900 | · | · | 1,000,900 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 20, 2024 | TECX | A | 27,774 | · | · | 27,774 Indirect | · | Acquired | (price as of 2026-10-02) |
| June 20, 2024 | TECX | A | 11,760 | · | · | 11,760 Direct | · | Acquired | (price as of 2026-10-02) |
| May 26, 2022 | PRAX | A | 22,753 | · | · | 22,753 Direct | · | Acquired | (price as of 2026-10-02) |
| June 8, 2021 | PRAX | A | 22,343 | · | · | 22,343 Direct | · | Acquired | (price as of 2026-10-02) |
| Oct. 20, 2020 | PRAX | C | 2,689,329 | · | · | 2,689,329 Indirect | · | Acquired | (price as of 2026-10-02) |
| Oct. 20, 2020 | PRAX | P | 250,000 | $19.00 | $4,750,000 | 2,939,329 Indirect | +9.30% | Acquired | 3.7% (price as of 2026-10-02) |
| Oct. 20, 2020 | PRAX | C | 4,150,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 20, 2020 | PRAX | C | 551,794 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 20, 2020 | PRAX | C | 171,410 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 20, 2020 | PRAX | C | 881,835 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 20, 2020 | PRAX | C | 881,835 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 20, 2020 | PRAX | C | 171,410 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 20, 2020 | PRAX | C | 551,794 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 20, 2020 | PRAX | C | 4,150,000 | · | · | 0 Indirect | -100.00% | Disposed | (price as of 2026-10-02) |
| Oct. 20, 2020 | PRAX | C | 2,689,329 | · | · | 2,689,329 Indirect | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| June 9, 2026 | TECX | Stock Option (Right to Buy) | Common Stock | $28.56 | June 8, 2036 | 10,200 | Acquired |
| June 9, 2025 | TECX | Stock Option (Right to Buy) | Common Stock | $24.48 | June 8, 2035 | 10,200 | Acquired |
| June 20, 2024 | TECX | Stock Option (Right to Buy) | Common Stock | $16.80 | June 19, 2034 | 11,760 | Acquired |
| May 26, 2022 | PRAX | Stock Option (Right to Buy) | Common Stock | $8.38 | May 26, 2032 | 22,753 | Acquired |
| June 8, 2021 | PRAX | Stock Option (Right to Buy) | Common Stock | $20.42 | June 8, 2031 | 22,343 | Acquired |
| Oct. 20, 2020 | PRAX | Series B Preferred Stock | Common Stock | · | · | 4,150,000 | Disposed |
| Oct. 20, 2020 | PRAX | Series B-1 Preferred Stock | Common Stock | · | · | 551,794 | Disposed |
| Oct. 20, 2020 | PRAX | Series C Preferred Stock | Common Stock | · | · | 171,410 | Disposed |
| Oct. 20, 2020 | PRAX | Series C-1 Preferred Stock | Common Stock | · | · | 881,835 | Disposed |
| Oct. 20, 2020 | PRAX | Series C -1 Preferred Stock | Common Stock | · | · | 881,835 | Disposed |
| Oct. 20, 2020 | PRAX | Series C Preferred Stock | Common Stock | · | · | 171,410 | Disposed |
| Oct. 20, 2020 | PRAX | Series B -1 Preferred Stock | Common Stock | · | · | 551,794 | Disposed |
| Oct. 20, 2020 | PRAX | Series B Preferred Stock | Common Stock | · | · | 4,150,000 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 4 holdings
Securities held when first becoming an insider, per SEC Form 3.