The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
| Date | Insider | Role | Action | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jun 15, 2026 | Dixon Donald R | Director | Sell(S) | 85K | $17.17 | $1.5M |
| Jun 12, 2026 | Dixon Donald R | Director | Grant(A) | 10K | — | $0 |
| Jun 12, 2026 | Bayless Kathleen A | Director | Grant(A) | 10K | — | $0 |
| Jun 12, 2026 | Satterthwaite Livingston | Director | Grant(A) | 10K | — | $0 |
| Jun 12, 2026 | Chu Steven | Director | Grant(A) | 10K | — | $0 |
| Jun 9, 2026 | Dixon Donald R | Director | Sell(S) | 40K | $19.13 | $765K |
| Jun 4, 2026 | Stepien Thomas M | Chief Executive Officer, Director | Gift(G) | 30K | — | $0 |
| Jun 4, 2026 | Stepien Thomas M | Chief Executive Officer, Director | Gift(G) | 37K | — | $0 |
| Jun 4, 2026 | Stepien Thomas M | Chief Executive Officer, Director | Gift(G) | 37K | — | $0 |
| Jun 4, 2026 | Stepien Thomas M | Chief Executive Officer, Director | Sell(S) | 2K | $20.97 | $42K |
| May 27, 2026 | Stepien Thomas M | Chief Executive Officer, Director | Sell(S) | 4K | $17.19 | $75K |
| May 27, 2026 | Sun Kang | Director | Sell(S) | 356 | $17.19 | $6K |
| May 27, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Sell(S) | 3K | $17.19 | $55K |
| May 26, 2026 | Dixon Donald R | Director | Sell(S) | 18K | $17.90 | $320K |
| May 21, 2026 | Stepien Thomas M | Chief Executive Officer, Director | Sell(S) | 61K | $14.79 | $898K |
| May 21, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Sell(S) | 29K | $14.79 | $426K |
| May 21, 2026 | Sun Kang | Director | Sell(S) | 68K | $14.79 | $1.0M |
| May 5, 2026 | Sun Kang | Director | Grant(A) | 6K | — | $0 |
| Apr 1, 2026 | Sun Kang | Director | Option exercise(M) | 1.3M | $1.78 | $2.3M |
| Apr 1, 2026 | Sun Kang | Director | Option exercise(M) | 187K | $3.68 | $690K |
| Apr 1, 2026 | Sun Kang | Director | Sell(S) | 1.3M | $15.73 | $19.7M |
| Apr 1, 2026 | Sun Kang | Director | Sell(S) | 249K | $16.78 | $4.2M |
| Apr 1, 2026 | Sun Kang | Director | Option exercise(M) | 1.3M | $1.78 | $2.3M |
| Apr 1, 2026 | Sun Kang | Director | Option exercise(M) | 187K | $3.68 | $690K |
| Mar 23, 2026 | Sun Kang | Director | Sell(S) | 65K | $19.06 | $1.2M |
| Mar 23, 2026 | Sun Kang | Director | Sell(S) | 153K | $18.69 | $2.9M |
| Mar 12, 2026 | Chu Steven | Director | Sell(S) | 50K | $18.21 | $911K |
| Mar 12, 2026 | Chu Steven | Director | Sell(S) | 100K | $18.65 | $1.9M |
| Mar 12, 2026 | Chu Steven | Director | Option exercise(M) | 86K | $2.61 | $225K |
| Mar 12, 2026 | Chu Steven | Director | Option exercise(M) | 69K | $0.62 | $43K |
| Mar 12, 2026 | Chu Steven | Director | Sell(S) | 6K | $18.53 | $103K |
| Mar 12, 2026 | Chu Steven | Director | Option exercise(M) | 69K | $0.62 | $43K |
| Mar 12, 2026 | Chu Steven | Director | Option exercise(M) | 86K | $2.61 | $225K |
| Mar 12, 2026 | HSIEH Wen Hsuan | Director | Option exercise(M) | 270K | $2.61 | $705K |
| Mar 12, 2026 | HSIEH Wen Hsuan | Director | Sell(S) | 283K | $18.55 | $5.2M |
| Mar 12, 2026 | HSIEH Wen Hsuan | Director | Sell(S) | 131K | $18.22 | $2.4M |
| Mar 12, 2026 | HSIEH Wen Hsuan | Director | Option exercise(M) | 270K | $2.61 | $705K |
| Mar 10, 2026 | Chu Steven | Director | Option exercise(M) | 104K | $0.62 | $65K |
| Mar 10, 2026 | Chu Steven | Director | Sell(S) | 167K | $17.92 | $3.0M |
| Mar 10, 2026 | Chu Steven | Director | Option exercise(M) | 104K | $0.62 | $65K |
| Mar 4, 2026 | Rodriguez Ricardo C. | Chief Financial Officer | Grant(A) | 150K | — | $0 |
| Mar 4, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Grant(A) | 110K | — | $0 |
| Mar 4, 2026 | Stepien Thomas M | Chief Executive Officer, Director | Grant(A) | 150K | — | $0 |
| Feb 23, 2026 | Sun Kang | Director | Sell(S) | 61K | $10.16 | $622K |
| Feb 23, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Sell(S) | 25K | $10.16 | $258K |
| Jan 28, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 40K | $0.05 | $2K |
| Jan 28, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 90 | $0.62 | $56 |
| Jan 28, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Sell(S) | 40K | $12.00 | $476K |
| Jan 28, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 90 | — | $0 |
| Jan 28, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 40K | — | $0 |
| Jan 23, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 2K | $0.05 | $80 |
| Jan 23, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Sell(S) | 2K | $12.00 | $19K |
| Jan 23, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 2K | — | $0 |
| Jan 22, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Sell(S) | 493K | $12.04 | $5.9M |
| Jan 22, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 166K | $0.05 | $8K |
| Jan 22, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 73K | $0.45 | $33K |
| Jan 22, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 254K | $0.05 | $13K |
| Jan 22, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 254K | — | $0 |
| Jan 22, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 73K | — | $0 |
| Jan 22, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 166K | — | $0 |
| Jan 21, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 16K | $0.05 | $792 |
| Jan 21, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 42K | $0.62 | $26K |
| Jan 21, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Sell(S) | 73K | $12.00 | $879K |
| Jan 21, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 16K | $0.05 | $794 |
| Jan 21, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 42K | — | $0 |
| Jan 21, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 16K | — | $0 |
| Jan 21, 2026 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 16K | — | $0 |
| Jan 20, 2026 | Sun Kang | Director | Option exercise(M) | 43K | $1.78 | $77K |
| Jan 20, 2026 | Sun Kang | Director | Sell(S) | 43K | $11.03 | $476K |
| Jan 20, 2026 | Sun Kang | Director | Option exercise(M) | 43K | — | $0 |
| Jan 16, 2026 | Sun Kang | Director | Sell(S) | 951K | $11.07 | $10.5M |
| Jan 16, 2026 | Sun Kang | Director | Option exercise(M) | 850K | $2.50 | $2.1M |
| Jan 16, 2026 | Sun Kang | Director | Option exercise(M) | 100K | $1.78 | $178K |
| Jan 16, 2026 | Sun Kang | Director | Option exercise(M) | 100K | — | $0 |
| Jan 16, 2026 | Sun Kang | Director | Option exercise(M) | 850K | — | $0 |
| Jan 12, 2026 | Sun Kang | Director | Sell(S) | 506K | $10.10 | $5.1M |
| Jan 12, 2026 | Sun Kang | Director | Option exercise(M) | 181K | $0.62 | $112K |
| Jan 12, 2026 | Sun Kang | Director | Option exercise(M) | 208K | $2.44 | $508K |
| Jan 12, 2026 | Sun Kang | Director | Option exercise(M) | 117K | $2.50 | $293K |
| Jan 12, 2026 | Sun Kang | Director | Option exercise(M) | 208K | — | $0 |
| Jan 12, 2026 | Sun Kang | Director | Option exercise(M) | 117K | — | $0 |
| Jan 12, 2026 | Sun Kang | Director | Option exercise(M) | 181K | — | $0 |
| Dec 19, 2025 | Stepien Thomas M | Chief Executive Officer, Director | Grant(A) | 200K | — | $0 |
| Dec 11, 2025 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 125K | $0.05 | $6K |
| Dec 11, 2025 | Stefan Constantin Ionel | Chief Technology Officer | Sell(S) | 198K | $10.51 | $2.1M |
| Dec 11, 2025 | Stefan Constantin Ionel | Chief Technology Officer | Option exercise(M) | 125K | — | $0 |
| Nov 21, 2025 | Sun Kang | Chief Executive Officer, Director | Sell(S) | 69K | $10.08 | $692K |
| Nov 21, 2025 | Stefan Constantin Ionel | Chief Technology Officer | Sell(S) | 25K | $10.08 | $252K |
| Nov 17, 2025 | Sun Kang | Chief Executive Officer, Director | Option exercise(M) | 203K | $0.98 | $199K |
| Nov 17, 2025 | Sun Kang | Chief Executive Officer, Director | Option exercise(M) | 42K | $0.62 | $26K |
| Nov 17, 2025 | Sun Kang | Chief Executive Officer, Director | Option exercise(M) | 27K | $0.62 | $17K |
| Nov 17, 2025 | Sun Kang | Chief Executive Officer, Director | Option exercise(M) | 728K | $0.05 | $36K |
| Nov 17, 2025 | Sun Kang | Chief Executive Officer, Director | Sell(S) | 1.0M | $10.60 | $10.6M |
| Nov 17, 2025 | Sun Kang | Chief Executive Officer, Director | Option exercise(M) | 203K | — | $0 |
| Nov 17, 2025 | Sun Kang | Chief Executive Officer, Director | Option exercise(M) | 42K | — | $0 |
| Nov 17, 2025 | Sun Kang | Chief Executive Officer, Director | Option exercise(M) | 728K | — | $0 |
| Nov 17, 2025 | Sun Kang | Chief Executive Officer, Director | Option exercise(M) | 27K | — | $0 |
| Oct 6, 2025 | Rodriguez Ricardo C. | Chief Financial Officer | Grant(A) | 200K | — | $0 |
| Aug 21, 2025 | Sun Kang | Chief Executive Officer, Director | Sell(S) | 66K | $6.82 | $448K |
| Aug 21, 2025 | Wallach Sandra | Chief Financial Officer | Sell(S) | 28K | $6.82 | $194K |
Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.
Coverage: Form 4 filings indexed 2021-01-04 → 2026-07-21. Earlier history is backfilling; this window widens as it deepens.
Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).