John J Stempin
CIK 1954922 · View on SEC EDGAR ↗
Insider
First SEC filing: Nov. 17, 2022 · Latest: Feb. 19, 2025
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 6 non-open-market transactions below
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
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 18, 2025 | CHMG | A | 146 | $51.61 | $7,535 | 380 Direct | +62.39% | Acquired | 57.5% (price as of 2026-08-20) |
| Dec. 20, 2024 | CHMG | F | 8 | $50.05 | $400 | 234 Direct | -3.31% | Disposed | 62.4% (price as of 2026-08-20) |
| Dec. 19, 2024 | CHMG | F | 12 | $49.70 | $596 | 242 Direct | -4.72% | Disposed | 63.5% (price as of 2026-08-20) |
| Dec. 20, 2023 | CHMG | F | 8 | $49.90 | $399 | 254 Direct | -3.05% | Disposed | 62.9% (price as of 2026-08-20) |
| Dec. 19, 2023 | CHMG | A | 153 | $49.05 | $7,505 | 262 Direct | +140.37% | Acquired | 65.7% (price as of 2026-08-20) |
| Dec. 20, 2022 | CHMG | A | 109 | $46.14 | $5,029 | 109 Direct | — | Acquired | 76.1% (price as of 2026-08-20) |
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 |
|---|---|---|---|---|
| Nov. 17, 2022 | CHMG | COMMON STOCK | 0 | Direct |