Michael Tropeano
Insider
First SEC filing: July 23, 2025 · Latest: July 23, 2025
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 24, 2026 | OSIS | A | 287 | $206.73 | $59,332 | 5,102 Direct | +5.96% | Acquired | -4.8% (price as of 2026-10-02) |
| Aug. 24, 2026 | OSIS | F | 99 | $206.73 | $20,466 | 5,003 Direct | -1.94% | Disposed | -4.8% (price as of 2026-10-02) |
| July 31, 2026 | OSIS | A | 1,694 | $221.39 | $375,035 | 5,281 Direct | +47.23% | Acquired | -11.1% (price as of 2026-10-02) |
| June 30, 2026 | OSIS | A | 75 | $140.61 | $10,546 | 3,587 Direct | +2.14% | Acquired | 39.9% (price as of 2026-10-02) |
| Dec. 31, 2025 | OSIS | A | 75 | $140.61 | $10,546 | 3,512 Direct | +2.18% | Acquired | 39.9% (price as of 2026-10-02) |
| Aug. 5, 2025 | OSIS | A | 1,594 | $219.57 | $349,995 | 3,437 Direct | +86.49% | Acquired | -10.4% (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.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 23, 2025 | OSIS | Common Stock | 1,843 | Direct |