Kristen M Oelschlager
CIK 1856565 · View on SEC EDGAR ↗
First SEC filing: April 16, 2021 · Latest: June 18, 2026
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Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 3, 2026 | CSTL | S 10b5-1 | 3,000 | $29.12 | $87,360 | 18,874 Direct | -13.71% | Disposed | 11.7% (price as of 2026-08-21) |
| Aug. 3, 2026 | CSTL | S 10b5-1 | 4,486 | $30.00 | $134,580 | 14,388 Direct | -23.77% | Disposed | 8.4% (price as of 2026-08-21) |
| Aug. 3, 2026 | CSTL | S 10b5-1 | 1,100 | $30.62 | $33,682 | 13,288 Direct | -7.65% | Disposed | 6.2% (price as of 2026-08-21) |
| July 1, 2026 | CSTL | S 10b5-1 | 400 | $24.78 | $9,912 | 21,874 Direct | -1.80% | Disposed | 31.2% (price as of 2026-08-21) |
| July 1, 2026 | CSTL | S 10b5-1 | 8,186 | $24.40 | $199,738 | 22,274 Direct | -26.87% | Disposed | 33.3% (price as of 2026-08-21) |
| June 16, 2026 | CSTL | S 10b5-1 | 8,587 | $20.71 | $177,837 | 30,460 Direct | -21.99% | Disposed | 57.0% (price as of 2026-08-21) |
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) 19 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 16, 2021 | CSTL | Common Stock | — | Direct |
| April 15, 2021 | CSTL | Common Stock | 107,117 | Direct |
| April 15, 2021 | CSTL | Stock option (right to buy)→ Common Stock (1,197) | 1,197 | Direct |
| April 15, 2021 | CSTL | Stock option (right to buy)→ Common Stock (7,178) | 7,178 | Direct |
| April 15, 2021 | CSTL | Stock option (right to buy)→ Common Stock (3,418) | 3,418 | Direct |
| April 15, 2021 | CSTL | Stock option (right to buy)→ Common Stock (24,610) | 24,610 | Direct |
| April 15, 2021 | CSTL | Stock option (right to buy)→ Common Stock (35,000) | 35,000 | Direct |
| April 15, 2021 | CSTL | Stock option (right to buy)→ Common Stock (30,000) | 30,000 | Direct |
| April 15, 2021 | CSTL | Stock option (right to buy)→ Common Stock (29,000) | 29,000 | Direct |
| April 15, 2021 | CSTL | Restricted Stock Units→ Common Stock (7,000) | 7,000 | Direct |
| April 15, 2021 | CSTL | Common Stock | 107,117 | Direct |
| April 15, 2021 | CSTL | Stock option (right to buy)→ Common Stock (1,197) | 1,197 | Direct |
| April 15, 2021 | CSTL | Stock option (right to buy)→ Common Stock (7,178) | 7,178 | Direct |
| April 15, 2021 | CSTL | Stock option (right to buy)→ Common Stock (3,418) | 3,418 | Direct |
| April 15, 2021 | CSTL | Stock option (right to buy)→ Common Stock (24,610) | 24,610 | Direct |
| April 15, 2021 | CSTL | Stock option (right to buy)→ Common Stock (35,000) | 35,000 | Direct |
| April 15, 2021 | CSTL | Stock option (right to buy)→ Common Stock (30,000) | 30,000 | Direct |
| April 15, 2021 | CSTL | Stock option (right to buy)→ Common Stock (29,000) | 29,000 | Direct |
| April 15, 2021 | CSTL | Restricted Stock Units→ Common Stock (7,000) | 7,000 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
CSTL
COO| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2025 | $529,204 | $14,553 | $1,417,918 | — | $379,545 | — | $21,350 | $2,362,571 |
| 2024 | $506,415 | $13,926 | $1,563,738 | — | $342,701 | — | $20,150 | $2,446,931 |
| 2023 | $482,300 | $9,646 | — | — | $312,530 | — | $24,008 | $828,484 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.