Peter Justin Klein
Activist
First SEC filing: Feb. 10, 2026 · Latest: Feb. 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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| April 1, 2021 | SENS | A | 2,470 | $2.58 | $6,373 | 369,186 Direct | +0.67% | Acquired | -80.9% (price as of 2026-10-02) |
| Jan. 4, 2021 | SENS | A | 6,853 | $0.93 | $6,373 | 366,716 Direct | +1.90% | Acquired | -46.9% (price as of 2026-10-02) |
| Oct. 1, 2020 | SENS | A | 16,375 | $0.39 | $6,386 | 359,863 Direct | +4.77% | Acquired | 26.7% (price as of 2026-10-02) |
| July 20, 2020 | SENS | A | 273,077 | · | · | 343,488 Direct | +387.83% | Acquired | (price as of 2026-10-02) |
| July 20, 2020 | SENS | A | 273,077 | · | · | 343,488 Direct | +387.83% | Acquired | (price as of 2026-10-02) |
| July 1, 2020 | SENS | A | 16,905 | $0.38 | $6,424 | 70,411 Direct | +31.59% | Acquired | 30.0% (price as of 2026-10-02) |
| April 1, 2020 | SENS | A | 11,184 | $0.57 | $6,375 | 53,506 Direct | +26.43% | Acquired | -13.3% (price as of 2026-10-02) |
| Jan. 2, 2020 | SENS | A | 6,959 | $0.92 | $6,402 | 42,322 Direct | +19.68% | Acquired | -46.3% (price as of 2026-10-02) |
| Oct. 1, 2019 | SENS | A | 6,758 | $0.94 | $6,353 | 35,363 Direct | +23.63% | Acquired | -47.4% (price as of 2026-10-02) |
| July 1, 2019 | SENS | A | 3,286 | $1.94 | $6,375 | 28,605 Direct | +12.98% | Acquired | -74.5% (price as of 2026-10-02) |
| May 30, 2019 | SENS | A | 86,930 | · | · | 86,930 Direct | · | Acquired | (price as of 2026-10-02) |
| April 1, 2019 | SENS | A | 2,895 | $2.31 | $6,687 | 25,319 Direct | +12.91% | Acquired | -78.6% (price as of 2026-10-02) |
| Jan. 2, 2019 | SENS | A | 4,507 | $2.69 | $12,124 | 22,424 Direct | +25.15% | Acquired | -81.6% (price as of 2026-10-02) |
| Oct. 1, 2018 | SENS | A | 2,670 | $4.54 | $12,122 | 17,917 Direct | +17.51% | Acquired | -89.1% (price as of 2026-10-02) |
| July 2, 2018 | SENS | A | 2,737 | $4.43 | $12,125 | 15,247 Direct | +21.88% | Acquired | -88.8% (price as of 2026-10-02) |
| May 30, 2018 | SENS | A | 50,847 | · | · | 50,847 Direct | · | Acquired | (price as of 2026-10-02) |
| April 2, 2018 | SENS | A | 3,911 | $3.10 | $12,124 | 12,510 Direct | +45.48% | Acquired | -84.1% (price as of 2026-10-02) |
| Jan. 2, 2018 | SENS | A | 4,558 | $2.66 | $12,124 | 8,599 Direct | +112.79% | Acquired | -81.4% (price as of 2026-10-02) |
| Oct. 12, 2017 | SENS | A | 4,041 | · | · | 4,041 Direct | · | Acquired | (price as of 2026-10-02) |
| May 24, 2017 | SENS | A | 128,817 | · | · | 128,817 Direct | · | Acquired | (price as of 2026-10-02) |
| May 24, 2016 | SENS | A | 54,629 | · | · | 54,629 Direct | · | 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 |
|---|---|---|---|---|---|---|---|
| May 30, 2019 | SENS | Stock Option (right to buy) | Common Stock | · | May 29, 2029 | 86,930 | Acquired |
| May 30, 2018 | SENS | Stock Option (right to buy) | Common Stock | · | May 29, 2028 | 50,847 | Acquired |
| May 24, 2017 | SENS | Stock Option (right to buy) | Common Stock | · | May 23, 2027 | 128,817 | Acquired |
| May 24, 2016 | SENS | Stock Option (right to buy) | Common Stock | · | May 23, 2026 | 54,629 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 2 holdings
Securities held when first becoming an insider, per SEC Form 3.