Sow Hang Teo
CIK 2017091 · View on SEC EDGAR ↗
Insider
First SEC filing: Oct. 3, 2024 · Latest: Oct. 3, 2024
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 42 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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 1, 2026 | CLB | F | 108 | $10.64 | $1,149 | 8,667 Direct | -1.23% | Disposed | 20.7% (price as of 2026-08-20) |
| Aug. 1, 2026 | CLB | M | 240 | — | — | 8,775 Direct | +2.81% | Acquired | (price as of 2026-08-20) |
| Aug. 1, 2026 | CLB | F | 90 | $10.64 | $958 | 8,535 Direct | -1.04% | Disposed | 20.7% (price as of 2026-08-20) |
| Aug. 1, 2026 | CLB | M | 200 | — | — | 8,625 Direct | +2.37% | Acquired | (price as of 2026-08-20) |
| Aug. 1, 2026 | CLB | M | 240 | — | — | 6,250 Direct | -3.70% | Disposed | (price as of 2026-08-20) |
| Aug. 1, 2026 | CLB | M | 200 | — | — | 6,490 Direct | -2.99% | Disposed | (price as of 2026-08-20) |
| Feb. 12, 2026 | CLB | A | 7,526 | — | — | 7,526 Direct | — | Acquired | (price as of 2026-08-20) |
| Dec. 1, 2025 | CLB | M | 864 | — | — | 8,765 Direct | +10.94% | Acquired | (price as of 2026-08-20) |
| Dec. 1, 2025 | CLB | M | 864 | — | — | 6,690 Direct | -11.44% | Disposed | (price as of 2026-08-20) |
| Dec. 1, 2025 | CLB | F | 340 | $15.39 | $5,233 | 8,425 Direct | -3.88% | Disposed | -16.6% (price as of 2026-08-20) |
| Oct. 1, 2025 | CLB | M | 250 | — | — | 7,554 Direct | -3.20% | Disposed | (price as of 2026-08-20) |
| Oct. 1, 2025 | CLB | M | 250 | — | — | 8,000 Direct | +3.23% | Acquired | (price as of 2026-08-20) |
| Oct. 1, 2025 | CLB | F | 99 | $12.58 | $1,245 | 7,901 Direct | -1.24% | Disposed | 2.1% (price as of 2026-08-20) |
| Aug. 1, 2025 | CLB | M | 240 | — | — | 8,004 Direct | -2.91% | Disposed | (price as of 2026-08-20) |
| Aug. 1, 2025 | CLB | M | 200 | — | — | 7,804 Direct | -2.50% | Disposed | (price as of 2026-08-20) |
| Aug. 1, 2025 | CLB | M | 240 | — | — | 7,748 Direct | +3.20% | Acquired | (price as of 2026-08-20) |
| Aug. 1, 2025 | CLB | F | 108 | $10.53 | $1,137 | 7,640 Direct | -1.39% | Disposed | 21.9% (price as of 2026-08-20) |
| Aug. 1, 2025 | CLB | M | 200 | — | — | 7,840 Direct | +2.62% | Acquired | (price as of 2026-08-20) |
| Aug. 1, 2025 | CLB | F | 90 | $10.53 | $948 | 7,750 Direct | -1.15% | Disposed | 21.9% (price as of 2026-08-20) |
| May 1, 2025 | CLB | M | 175 | — | — | 8,244 Direct | -2.08% | Disposed | (price as of 2026-08-20) |
| May 1, 2025 | CLB | M | 175 | — | — | 7,587 Direct | +2.36% | Acquired | (price as of 2026-08-20) |
| May 1, 2025 | CLB | F | 79 | $11.68 | $923 | 7,508 Direct | -1.04% | Disposed | 9.9% (price as of 2026-08-20) |
| Feb. 13, 2025 | CLB | A | 7,692 | — | — | 7,692 Direct | — | Acquired | (price as of 2026-08-20) |
| Dec. 1, 2024 | CLB | M | 576 | — | — | 8,419 Direct | -6.40% | Disposed | (price as of 2026-08-20) |
| Dec. 1, 2024 | CLB | M | 576 | — | — | 7,639 Direct | +8.16% | Acquired | (price as of 2026-08-20) |
| Dec. 1, 2024 | CLB | F | 227 | $20.42 | $4,635 | 7,412 Direct | -2.97% | Disposed | -37.1% (price as of 2026-08-20) |
| Oct. 1, 2024 | CLB | M | 250 | — | — | 8,995 Direct | -2.70% | Disposed | (price as of 2026-08-20) |
| Oct. 1, 2024 | CLB | M | 250 | — | — | 7,162 Direct | +3.62% | Acquired | (price as of 2026-08-20) |
| Oct. 1, 2024 | CLB | F | 99 | $19.21 | $1,902 | 7,063 Direct | -1.38% | Disposed | -33.2% (price as of 2026-08-20) |
| Aug. 1, 2024 | CLB | M | 80 | — | — | 9,685 Direct | -0.82% | Disposed | (price as of 2026-08-20) |
| Aug. 1, 2024 | CLB | M | 200 | — | — | 9,485 Direct | -2.07% | Disposed | (price as of 2026-08-20) |
| Aug. 1, 2024 | CLB | M | 240 | — | — | 9,245 Direct | -2.53% | Disposed | (price as of 2026-08-20) |
| Aug. 1, 2024 | CLB | M | 80 | — | — | 6,690 Direct | +1.21% | Acquired | (price as of 2026-08-20) |
| Aug. 1, 2024 | CLB | F | 35 | $23.24 | $813 | 6,655 Direct | -0.52% | Disposed | -44.8% (price as of 2026-08-20) |
| Aug. 1, 2024 | CLB | M | 200 | — | — | 6,855 Direct | +3.01% | Acquired | (price as of 2026-08-20) |
| Aug. 1, 2024 | CLB | F | 90 | $23.24 | $2,092 | 6,765 Direct | -1.31% | Disposed | -44.8% (price as of 2026-08-20) |
| Aug. 1, 2024 | CLB | M | 240 | — | — | 7,005 Direct | +3.55% | Acquired | (price as of 2026-08-20) |
| Aug. 1, 2024 | CLB | F | 93 | $23.24 | $2,161 | 6,912 Direct | -1.33% | Disposed | -44.8% (price as of 2026-08-20) |
| May 1, 2024 | CLB | M | 175 | — | — | 9,765 Direct | -1.76% | Disposed | (price as of 2026-08-20) |
| May 1, 2024 | CLB | M | 175 | — | — | 6,689 Direct | +2.69% | Acquired | (price as of 2026-08-20) |
| May 1, 2024 | CLB | F | 79 | $15.71 | $1,241 | 6,610 Direct | -1.18% | Disposed | -18.3% (price as of 2026-08-20) |
| April 9, 2024 | CLB | A | 6,662 | — | — | 6,662 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 |
|---|---|---|---|---|---|---|---|
| Aug. 1, 2026 | CLB | Restricted Shares | Common Stock (240) | $0.00 | — | 240 | Disposed |
| Aug. 1, 2026 | CLB | Restricted Shares | Common Stock (200) | $0.00 | — | 200 | Disposed |
| Feb. 12, 2026 | CLB | Performance Shares | Common Stock (7,526) | $0.00 | — | 7,526 | Acquired |
| Dec. 1, 2025 | CLB | Restricted Shares | Common Stock (864) | — | — | 864 | Disposed |
| Oct. 1, 2025 | CLB | Restricted Shares | Common Stock (250) | — | — | 250 | Disposed |
| Aug. 1, 2025 | CLB | Restricted Shares | Common Stock (240) | — | — | 240 | Disposed |
| Aug. 1, 2025 | CLB | Restricted Shares | Common Stock (200) | — | — | 200 | Disposed |
| May 1, 2025 | CLB | Restricted Shares | Common Stock (175) | — | — | 175 | Disposed |
| Feb. 13, 2025 | CLB | Performance Shares | Common Stock (7,692) | $0.00 | — | 7,692 | Acquired |
| Dec. 1, 2024 | CLB | Restricted Shares | Common Stock (576) | — | — | 576 | Disposed |
| Oct. 1, 2024 | CLB | Restricted Shares | Common Stock (250) | — | — | 250 | Disposed |
| Aug. 1, 2024 | CLB | Restricted Shares | Common Stock (80) | — | — | 80 | Disposed |
| Aug. 1, 2024 | CLB | Restricted Shares | Common Stock (200) | — | — | 200 | Disposed |
| Aug. 1, 2024 | CLB | Restricted Shares | Common Stock (240) | — | — | 240 | Disposed |
| May 1, 2024 | CLB | Restricted Shares | Common Stock (175) | — | — | 175 | Disposed |
| April 9, 2024 | CLB | Performance Shares | Common Stock (6,662) | $0.00 | — | 6,662 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).