SK INC.
SEC insider (Form 3/4/5 filer). CIK 0001947998. 10% Owner at NET Power Inc. (NPWR) and 1 other issuer. 43 reported Form 4/5 transactions since Sep 2024; latest on Jul 30, 2025. Located in SEOUL, M5.
Companies SK INC. has filed insider reports for
- NET Power Inc. (NPWR): 10% Owner
- SES AI Corp (SES): 10% Owner
SK INC.
CIK: 0001947998
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)42 (97.7%)
Position reduction
Option Exercises (M)0 (0.0%)
Derivative conversions
Awards (A)0 (0.0%)
Compensation grants
Other (G, F, J, C, D, …)1 (2.3%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (43 total)
- Jul 30, 2025NPWR
NET Power Inc.
OtherIndirect26.7M shares- - Jul 15, 2025NPWR
NET Power Inc.
SaleIndirect2.5M shares at avg. $2.61$6.5M - Dec 18, 2024SES
SES AI Corp
SaleDirect400K shares at avg. $0.42$168K - Dec 17, 2024SES
SES AI Corp
SaleDirect326.5K shares at avg. $0.38$124K - Dec 16, 2024SES
SES AI Corp
SaleDirect500K shares at avg. $0.40$200K - Dec 13, 2024SES
SES AI Corp
SaleDirect417.9K shares at avg. $0.39$163K - Dec 12, 2024SES
SES AI Corp
SaleDirect115.5K shares at avg. $0.42$49K - Dec 11, 2024SES
SES AI Corp
SaleDirect300K shares at avg. $0.44$132K - Dec 10, 2024SES
SES AI Corp
SaleDirect16.1K shares at avg. $0.45$7K - Dec 9, 2024SES
SES AI Corp
SaleDirect400K shares at avg. $0.48$192K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jul 30, 2025 |  NPWR NET Power Inc. | Other | 26,729,880 | - | - | Indirect |
| Jul 15, 2025 | NPWR NET Power Inc. | Sale | 2,500,000 | $2.61 | $6,525,000 | Indirect |
| Dec 18, 2024 |  SES SES AI Corp | Sale | 400,000 | $0.42 | $168,000 | Direct |
| Dec 17, 2024 | SES SES AI Corp | Sale | 326,460 | $0.38 | $124,055 | Direct |
| Dec 16, 2024 | SES SES AI Corp | Sale | 500,000 | $0.40 | $200,000 | Direct |
| Dec 13, 2024 | SES SES AI Corp | Sale | 417,857 | $0.39 | $162,964 | Direct |
| Dec 12, 2024 | SES SES AI Corp | Sale | 115,508 | $0.42 | $48,513 | Direct |
| Dec 11, 2024 | SES SES AI Corp | Sale | 300,000 | $0.44 | $132,000 | Direct |
| Dec 10, 2024 | SES SES AI Corp | Sale | 16,120 | $0.45 | $7,254 | Direct |
| Dec 9, 2024 | SES SES AI Corp | Sale | 400,000 | $0.48 | $192,000 | Direct |
1-10 of 43 transactions