Scott Thomas Szwejbka
CIK 2064540 · View on SEC EDGAR ↗
Insider
First SEC filing: April 14, 2025 · Latest: April 14, 2025
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 11 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. 20, 2026 | WLK | A | 3,983 | — | — | 3,983 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 20, 2026 | WLK | A | 14,595 | — | — | 14,595 Direct | — | Acquired | (price as of 2026-08-20) |
| Feb. 20, 2026 | WLK | F | 91 | $94.10 | $8,563 | 13,773 Direct | -0.66% | Disposed | -16.1% (price as of 2026-08-20) |
| Feb. 19, 2026 | WLK | A | 365 | — | — | 13,864 Direct | +2.70% | Acquired | (price as of 2026-08-20) |
| Feb. 18, 2026 | WLK | F | 295 | $98.95 | $29,190 | 13,499 Direct | -2.14% | Disposed | -20.2% (price as of 2026-08-20) |
| Feb. 17, 2026 | WLK | M | 977 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Feb. 17, 2026 | WLK | M | 977 | — | — | 13,794 Direct | +7.62% | Acquired | (price as of 2026-08-20) |
| Oct. 2, 2025 | WLK | F | 3,842 | $76.70 | $294,681 | 12,817 Direct | -23.06% | Disposed | 2.9% (price as of 2026-08-20) |
| Oct. 1, 2025 | WLK | M | 10,840 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-20) |
| Oct. 1, 2025 | WLK | M | 10,840 | — | — | 16,659 Direct | +186.29% | Acquired | (price as of 2026-08-20) |
| April 11, 2025 | WLK | A | 8,551 | — | — | 8,551 Direct | — | Acquired | (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.
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 |
|---|---|---|---|---|---|---|---|
| Feb. 20, 2026 | WLK | Restricted Stock Units | Common Stock (3,983) | — | — | 3,983 | Acquired |
| Feb. 20, 2026 | WLK | Employee Option (right to buy) | Common Stock (14,595) | $94.48 | Feb. 20, 2036 | 14,595 | Acquired |
| Feb. 17, 2026 | WLK | Restricted Stock Units | Common Stock (977) | — | — | 977 | Disposed |
| Oct. 1, 2025 | WLK | Restricted Stock Units | Common Stock (10,840) | — | — | 10,840 | Disposed |
| April 11, 2025 | WLK | Restricted Stock Units | Common Stock (8,551) | — | — | 8,551 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 10 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| April 14, 2025 | WLK | Common Stock | 5,819 | Direct |
| April 14, 2025 | WLK | Employee Option (right to buy)→ Common Stock (1,193) | 1,193 | Direct |
| April 14, 2025 | WLK | Restricted Stock Units→ Common Stock (10,840) | 10,840 | Direct |
| April 14, 2025 | WLK | Employee Option (right to buy)→ Common Stock (1,788) | 1,788 | Direct |
| April 14, 2025 | WLK | Restricted Stock Units→ Common Stock (977) | 977 | Direct |
| April 14, 2025 | WLK | Employee Option (right to buy)→ Common Stock (2,389) | 2,389 | Direct |
| April 14, 2025 | WLK | Restricted Stock Units→ Common Stock (863) | 863 | Direct |
| April 14, 2025 | WLK | Employee Option (right to buy)→ Common Stock (4,104) | 4,104 | Direct |
| April 14, 2025 | WLK | Restricted Stock Units→ Common Stock (1,381) | 1,381 | Direct |
| April 14, 2025 | WLK | Restricted Stock Units→ Common Stock (1,360) | 1,360 | Direct |