Thomas Charles Heineman
CIK 2103579 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 2, 2026 · Latest: Jan. 2, 2026
On this page
Insider transactions
1 buys (P)
0 sells (S)
Net:
$10,070
Avg return of open purchases vs now:
-1.2%
last 12 months, based on the transactions shown below
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 12, 2026 | ONCY | P | 12,132 | $0.83 | $10,070 | 282,818 Direct | +4.48% | Acquired | -1.2% (price as of 2026-08-24) |
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) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Jan. 2, 2026 | ONCY | Common Shares | 270,686 | Direct |
| Jan. 2, 2026 | ONCY | Stock Option→ Common Shares (120,000) | 120,000 | Direct |
| Jan. 2, 2026 | ONCY | Stock Option→ Common Shares (80,000) | 80,000 | Direct |
| Jan. 2, 2026 | ONCY | Stock Option→ Common Shares (88,900) | 88,900 | Direct |
| Jan. 2, 2026 | ONCY | Stock Option→ Common Shares (231,700) | 231,700 | Direct |
| Jan. 2, 2026 | ONCY | Stock Option→ Common Shares (243,600) | 243,600 | Direct |
| Jan. 2, 2026 | ONCY | Stock Option→ Common Shares (570,000) | 570,000 | Direct |
| Jan. 2, 2026 | ONCY | Stock Option→ Common Shares (250,000) | 250,000 | Direct |