Ilkbahar Alper
EVP & Chief Technology Officer
In the last 12 months, Ilkbahar Alper filed 55 SEC Form 4 transactions across 1 issuer: $0 in open-market purchases and $11.4M in open-market sales. 62% of these transactions were executed under a pre-scheduled Rule 10b5-1 trading plan.
- $0Open-market buys (1y)
- $11.4MOpen-market sells (1y)
- 55Transactions filed
- 1Distinct issuers
- 62%Under Rule 10b5-1
- 2026-09-03Latest filing
Issuers Filed For By open-market buy volume
Recent Form 4 Filings Most recent 55 of 55 (1-year window)
| Date | Ticker | Company | Type | SEC Code | Value | Shares | Price |
|---|---|---|---|---|---|---|---|
| 2026-09-03 | SNDK | Sandisk Corp | Other | F | $5.0M | 3,244 | $1555.0 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $187.4K | 120 | $1561.7 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $312.7K | 200 | $1563.7 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $62.6K | 40 | $1564.4 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $62.8K | 40 | $1571.0 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $60.5K | 40 | $1513.2 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $121.2K | 80 | $1515.0 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $78.9K | 52 | $1517.7 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $103.3K | 68 | $1519.2 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $121.7K | 80 | $1520.9 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $60.9K | 40 | $1522.1 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $121.9K | 80 | $1523.6 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $122.1K | 80 | $1526.8 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $61.1K | 40 | $1527.6 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $122.4K | 80 | $1529.7 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $122.4K | 80 | $1530.5 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $61.3K | 40 | $1532.0 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $184.0K | 120 | $1533.7 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $122.8K | 80 | $1534.5 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $122.9K | 80 | $1535.7 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $246.0K | 160 | $1537.5 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $123.1K | 80 | $1538.4 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $123.2K | 80 | $1539.6 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $123.3K | 80 | $1541.0 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $123.4K | 80 | $1542.7 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $4.0M | 2,594 | $1543.8 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $123.7K | 80 | $1546.0 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $123.8K | 80 | $1547.5 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $62.0K | 40 | $1548.8 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $62.0K | 40 | $1550.5 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $186.4K | 120 | $1553.3 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $62.2K | 40 | $1554.0 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $121.3K | 78 | $1555.6 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $124.6K | 80 | $1557.8 |
| 2026-09-03 | SNDK | Sandisk Corp | Sell 10b5-1 | S | $62.4K | 40 | $1558.9 |
| 2026-08-25 | SNDK | Sandisk Corp | Other | F | $968.4K | 654 | $1480.8 |
| 2026-08-21 | SNDK | Sandisk Corp | Other | F | $510.7K | 320 | $1596.1 |
| 2026-08-20 | SNDK | Sandisk Corp | Exercise | M | $0 | 276 | $0.0 |
| 2026-08-20 | SNDK | Sandisk Corp | Exercise | M | $0 | 276 | $0.0 |
| 2026-08-20 | SNDK | Sandisk Corp | Other | F | $441.8K | 276 | $1600.6 |
| 2026-08-20 | SNDK | Sandisk Corp | Other | F | $260.9K | 163 | $1600.6 |
| 2026-06-02 | SNDK | Sandisk Corp | Other | G | $0 | 2,694 | $0.0 |
| 2026-06-01 | SNDK | Sandisk Corp | Sell | S | $1.8M | 999 | $1755.3 |
| 2026-06-01 | SNDK | Sandisk Corp | Sell | S | $704.6K | 401 | $1757.0 |
| 2026-06-01 | SNDK | Sandisk Corp | Sell | S | $1.1M | 600 | $1758.4 |
| 2026-05-25 | SNDK | Sandisk Corp | Other | F | $965.6K | 653 | $1478.7 |
| 2026-05-21 | SNDK | Sandisk Corp | Other | F | $492.0K | 319 | $1542.2 |
| 2026-05-20 | SNDK | Sandisk Corp | Other | F | $225.6K | 162 | $1392.6 |
| 2026-04-20 | SNDK | Sandisk Corp | Other | F | $2.1M | 2,251 | $913.0 |
| 2026-02-25 | SNDK | Sandisk Corp | Grant | – | $357.9K | 566 | $632.4 |
| 2026-02-21 | SNDK | Sandisk Corp | Grant | – | $144.9K | 223 | $650.0 |
| 2026-02-20 | SNDK | Sandisk Corp | Grant | – | $79.3K | 122 | $650.0 |
| 2025-11-25 | SNDK | Sandisk Corp | Grant | – | $144.0K | 653 | $220.5 |
| 2025-11-21 | SNDK | Sandisk Corp | Grant | – | $63.9K | 319 | $200.3 |
| 2025-11-20 | SNDK | Sandisk Corp | Grant | – | $31.7K | 162 | $196.0 |
Methodology & FAQ
How These Filings Are Sourced
All transactions on this page are sourced directly from SEC EDGAR. A complete description of the open-market vs grant distinction, the Rule 10b5-1 plan-reference heuristic, and the per-insider name matching is documented in the Methodology.
What companies does Ilkbahar Alper file Form 4 disclosures for?
Ilkbahar Alper has filed SEC Form 4 transactions for 1 issuer in the last 12 months: Sandisk Corp (SNDK).
What does the 10b5-1 badge mean on these transactions?
Rule 10b5-1 is an SEC rule that lets insiders schedule trades in advance under a written plan, providing an affirmative defense against insider-trading allegations as long as the plan was adopted in good faith and not while in possession of material non-public information. Of Ilkbahar Alper's 55 reported transactions in the last 12 months, 34 (62%) reference a 10b5-1 trading plan in the Form 4 footnotes.
Are these all the transactions Ilkbahar Alper has executed?
This page shows SEC Form 4 transactions on record in Pactolio's tracked universe for the last 12 months. Form 4 only covers transactions in registered classes of equity at issuers where the person qualifies as an insider (officer, director, or 10% beneficial owner). Trades in funds, foreign issuers, or non-insider positions are not disclosed under Form 4 and are not included here.