Holger Weis
Insider
First SEC filing: Nov. 8, 2024 · Latest: June 17, 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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 6, 2026 | TCRT | A | 4,363 | $2.01 | $8,770 | 25,483 Direct | +20.66% | Acquired | -59.2% (price as of 2026-10-02) |
| July 23, 2026 | TCRT | A | 4,568 | $1.92 | $8,771 | 21,120 Direct | +27.60% | Acquired | -57.3% (price as of 2026-10-02) |
| June 30, 2026 | TCRT | A | 3,880 | $2.26 | $8,769 | 16,552 Direct | +30.62% | Acquired | -63.7% (price as of 2026-10-02) |
| June 12, 2026 | TCRT | A | 7,761 | $2.26 | $17,540 | 12,672 Direct | +158.03% | Acquired | -63.7% (price as of 2026-10-02) |
| June 2, 2026 | JUNS | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-02) |
| May 22, 2026 | TCRT | A | 3,700 | $2.37 | $8,769 | 4,911 Direct | +305.53% | Acquired | -65.4% (price as of 2026-10-02) |
| Aug. 18, 2025 | TCRT | A | 13,676 | · | · | 13,676 Direct | · | Acquired | (price as of 2026-10-02) |
| July 2, 2025 | TCRT | A | 130,000 | · | · | 130,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 2, 2025 | JUNS | M | 85,800 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 2, 2025 | JUNS | M | 85,800 | · | · | 96,581 Direct | +795.84% | Acquired | (price as of 2026-10-02) |
| April 13, 2025 | TCRT | A | 10,904 | · | · | 10,904 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 22, 2025 | JUNS | M | 10,781 | · | · | 10,781 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 22, 2025 | JUNS | M | 10,781 | $2.80 | $30,187 | 10,781 Direct | -50.00% | Disposed | -98.8% (price as of 2026-10-02) |
| June 6, 2024 | TCRT | A | 4,524 | · | · | 4,524 Direct | · | Acquired | (price as of 2026-10-02) |
| June 6, 2024 | TCRT | A | 19,200 | · | · | 19,200 Direct | · | Acquired | (price as of 2026-10-02) |
| June 6, 2023 | TCRT | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 22, 2022 | TCRT | A | 100,000 | · | · | 100,000 Direct | · | Acquired | (price as of 2026-10-02) |
| June 22, 2022 | TCRT | A | 40,000 | · | · | 160,167 Direct | +33.29% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2021 | TCRT | P | 50,000 | $1.83 | $91,500 | 120,167 Direct | +71.26% | Acquired | -99.7% (price as of 2026-10-02) |
| March 4, 2021 | TCRT | A | 150,000 | · | · | 150,000 Direct | · | Acquired | (price as of 2026-10-02) |
| March 4, 2021 | TCRT | A | 31,250 | · | · | 31,250 Direct | · | Acquired | (price as of 2026-10-02) |
| March 4, 2021 | TCRT | A | 4,167 | · | · | 70,167 Direct | +6.31% | 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 2, 2026 | JUNS | Stock Option | Common Stock | $0.28 | June 2, 2036 | 100,000 | Acquired |
| Aug. 18, 2025 | TCRT | Employee Stock Option (right to buy) | Common Stock | $2.32 | Aug. 17, 2035 | 13,676 | Acquired |
| July 2, 2025 | TCRT | Employee Stock Option (right to buy) | Common Stock | $5.02 | July 1, 2035 | 130,000 | Acquired |
| June 2, 2025 | JUNS | Restricted Stock Units | Common Stock | · | Dec. 17, 2033 | 85,800 | Disposed |
| April 13, 2025 | TCRT | Employee Stock Option (right to buy) | Common Stock | $2.92 | April 12, 2035 | 10,904 | Acquired |
| Jan. 22, 2025 | JUNS | Convertible Notes | Common Stock | $2.80 | Dec. 31, 2024 | 10,781 | Disposed |
| June 6, 2024 | TCRT | Employee Stock Option (right to buy) | Common Stock | $1.03 | June 5, 2034 | 4,524 | Acquired |
| June 6, 2024 | TCRT | Employee Stock Option (right to buy) | Common Stock | $1.03 | June 5, 2034 | 19,200 | Acquired |
| June 6, 2023 | TCRT | Employee Stock Option (right to buy) | Common Stock | $0.48 | June 5, 2033 | 100,000 | Acquired |
| June 22, 2022 | TCRT | Employee Stock Option (right to buy) | Common Stock | $0.82 | June 21, 2032 | 100,000 | Acquired |
| March 4, 2021 | TCRT | Stock Option (right to buy) | Common Stock | $4.31 | March 3, 2031 | 150,000 | Acquired |
| March 4, 2021 | TCRT | Stock Option (right to buy) | Common Stock | $4.31 | March 3, 2031 | 31,250 | 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 |
|---|---|---|---|---|
| Nov. 8, 2024 | JUNS | Stock option (right to buy) | · | Direct |
| Nov. 8, 2024 | JUNS | Stock option (right to buy) | · | Direct |
| Nov. 8, 2024 | JUNS | Stock option (right to buy) | · | Direct |
| Nov. 8, 2024 | JUNS | Restricted stock unit | · | Direct |
| Nov. 8, 2024 | JUNS | Convertible notes | · | Direct |
| March 22, 2021 | TCRT | Common Stock | 66,000 | Indirect |
| March 22, 2021 | TCRT | Common Stock | 19,000 | Indirect |
| March 22, 2021 | TCRT | Common Stock | 1,000 | Indirect |
| March 22, 2021 | TCRT | Common Stock | 1,240 | Indirect |
| March 22, 2021 | TCRT | Common Stock | 200 | Indirect |