Jason Matuszewski
Insider
First SEC filing: Aug. 14, 2026 · Latest: Aug. 14, 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 17, 2026 | BSEM | M | 16,650 | · | · | 1,303,552 Direct | +1.29% | Acquired | (price as of 2026-10-02) |
| Sept. 17, 2026 | BSEM | M | 16,650 | · | · | 99,900 Direct | -14.29% | Disposed | (price as of 2026-10-02) |
| Sept. 15, 2026 | BSEM | M | 8,469 | · | · | 1,286,902 Direct | +0.66% | Acquired | (price as of 2026-10-02) |
| Sept. 15, 2026 | BSEM | M | 8,469 | · | · | 33,874 Direct | -20.00% | Disposed | (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 |
|---|---|---|---|---|---|---|---|
| Sept. 17, 2026 | BSEM | Restricted Stock Units | Common Stock | · | · | 16,650 | Disposed |
| Sept. 15, 2026 | BSEM | Restricted Stock Units | Common Stock | · | · | 8,469 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 14, 2026 | BSEM | Common Stock | 1,278,433 | Direct |
| Aug. 14, 2026 | BSEM | Stock Option (Right to Buy) | 2,250,000 | Direct |
| Aug. 14, 2026 | BSEM | Stock Option (Right to Buy) | 198,807 | Direct |
| Aug. 14, 2026 | BSEM | Stock Option (Right to Buy) | 40,427 | Direct |
| Aug. 14, 2026 | BSEM | Stock Option (Right to Buy) | 440,529 | Direct |
| Aug. 14, 2026 | BSEM | Restricted Stock Units | 42,343 | Direct |
| Aug. 14, 2026 | BSEM | Restricted Stock Units | 116,550 | Direct |
| Aug. 14, 2026 | BSEM | Restricted Stock Units | 363,636 | Direct |