On this page
Marc Zenner
Insider
First SEC filing: April 2, 2021 · Latest: April 2, 2021
Insider at
Insider transactions
2 buys (P)
0 sells (S)
Net: $59,042
Avg return of open purchases vs now: 60.6%
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 4, 2026 | OSPN | P | 3,300 | $10.54 | $34,782 | 83,208 Direct | +4.13% | Acquired | 71.9% (price as of 2026-10-02) |
| Jan. 5, 2026 | OSPN | A | 9,797 | · | · | 9,797 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2026 | OSPN | M | 6,635 | · | · | 79,908 Direct | +9.06% | Acquired | (price as of 2026-10-02) |
| Jan. 2, 2026 | OSPN | M | 6,635 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Nov. 4, 2025 | OSPN | P | 2,000 | $12.13 | $24,260 | 73,273 Direct | +2.81% | Acquired | 49.4% (price as of 2026-10-02) |
| Aug. 8, 2025 | OSPN | P | 2,200 | $12.80 | $28,160 | 71,273 Direct | +3.19% | Acquired | 41.6% (price as of 2026-10-02) |
| Jan. 9, 2025 | OSPN | M | 12,914 | · | · | 69,073 Direct | +23.00% | Acquired | (price as of 2026-10-02) |
| Jan. 9, 2025 | OSPN | M | 12,914 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 2, 2025 | OSPN | A | 6,635 | · | · | 6,635 Direct | · | Acquired | (price as of 2026-10-02) |
| March 13, 2024 | OSPN | P | 2,500 | $9.89 | $24,725 | 56,159 Direct | +4.66% | Acquired | 83.2% (price as of 2026-10-02) |
| Jan. 9, 2024 | OSPN | A | 12,914 | · | · | 12,914 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 5, 2024 | OSPN | M | 10,823 | · | · | 53,659 Direct | +25.27% | Acquired | (price as of 2026-10-02) |
| Jan. 5, 2024 | OSPN | M | 10,823 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Aug. 14, 2023 | OSPN | P | 5,000 | $11.47 | $57,350 | 42,836 Direct | +13.21% | Acquired | 58.0% (price as of 2026-10-02) |
| Jan. 5, 2023 | OSPN | M | 7,618 | · | · | 37,836 Direct | +25.21% | Acquired | (price as of 2026-10-02) |
| Jan. 5, 2023 | OSPN | M | 7,618 | · | · | 0 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 5, 2023 | OSPN | A | 10,823 | · | · | 10,823 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 5, 2022 | OSPN | A | 7,618 | $16.41 | $125,011 | 7,618 Direct | · | Acquired | 10.4% (price as of 2026-10-02) |
| Jan. 4, 2022 | OSPN | M | 5,833 | $17.23 | $100,503 | 0 Direct | · | Acquired | 5.2% (price as of 2026-10-02) |
| Jan. 4, 2022 | OSPN | M | 5,833 | $17.23 | $100,503 | 30,218 Direct | +23.92% | Acquired | 5.2% (price as of 2026-10-02) |
| Aug. 9, 2021 | OSPN | P | 4,400 | $18.57 | $81,708 | 23,785 Direct | +22.70% | Acquired | -2.4% (price as of 2026-10-02) |
| Aug. 9, 2021 | OSPN | P | 600 | $18.63 | $11,178 | 24,385 Direct | +2.52% | Acquired | -2.7% (price as of 2026-10-02) |
| Jan. 15, 2021 | OSPN | M | 5,230 | $22.92 | $119,872 | 0 Direct | -100.00% | Disposed | -20.9% (price as of 2026-10-02) |
| Jan. 15, 2021 | OSPN | M | 5,230 | $22.92 | $119,872 | 19,385 Direct | +36.95% | Acquired | -20.9% (price as of 2026-10-02) |
| Jan. 4, 2021 | OSPN | A | 5,833 | · | · | 5,833 Direct | · | Acquired | (price as of 2026-10-02) |
| June 12, 2020 | OSPN | M | 4,155 | $22.71 | $94,360 | 4,155 Direct | -50.00% | Disposed | -20.2% (price as of 2026-10-02) |
| June 12, 2020 | OSPN | M | 4,155 | $22.71 | $94,360 | 14,155 Direct | +41.55% | Acquired | -20.2% (price as of 2026-10-02) |
| June 12, 2019 | OSPN | A | 4,155 | $13.69 | $56,882 | 14,155 Direct | +41.55% | Acquired | 32.4% (price as of 2026-10-02) |
| June 3, 2019 | OSPN | P | 5,000 | $13.92 | $69,600 | 10,000 Direct | +100.00% | Acquired | 30.2% (price as of 2026-10-02) |
| May 10, 2019 | OSPN | P | 5,000 | $15.00 | $75,000 | 5,000 Direct | · | Acquired | 20.8% (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 |
|---|---|---|---|---|---|---|---|
| Jan. 5, 2026 | OSPN | Restricted Stock Unit | Common Stock | · | · | 9,797 | Acquired |
| Jan. 2, 2026 | OSPN | Restricted Stock Unit | Common Stock | · | · | 6,635 | Disposed |
| Jan. 9, 2025 | OSPN | Restricted Stock Units | Common Stock | · | · | 12,914 | Disposed |
| Jan. 2, 2025 | OSPN | Restricted Stock Units | Common Stock | · | · | 6,635 | Acquired |
| Jan. 9, 2024 | OSPN | Restricted Stock Units | Common Stock | · | · | 12,914 | Acquired |
| Jan. 5, 2024 | OSPN | Restricted Stock Units | Common Stock | · | · | 10,823 | Disposed |
| Jan. 5, 2023 | OSPN | Restricted Stock Units | Common Stock | · | · | 7,618 | Acquired |
| Jan. 5, 2023 | OSPN | Restricted Stock Units | Common Stock | · | · | 10,823 | Acquired |
| Jan. 5, 2022 | OSPN | Restricted Stock Units | Common Stock | · | · | 7,618 | Acquired |
| Jan. 4, 2022 | OSPN | Restricted Stock Units | Common Stock | · | · | 5,833 | Acquired |
| Jan. 15, 2021 | OSPN | Restricted Stock Units | Common Stock | · | · | 5,230 | Disposed |
| Jan. 4, 2021 | OSPN | Restricted Stock Units | Common Stock | · | · | 5,833 | Acquired |
| June 12, 2020 | OSPN | Restricted Stock Units | Common Stock | $22.71 | · | 4,155 | Disposed |
Exercise/conversion price is blank when not applicable (e.g. RSUs).