Skip to contentRobertson Donald F Jr — SANDISK CORP insider: 211 transactions · InsiderLensRobertson Donald F Jr
- VP & Chief Accounting Officer at SANDISK CORP · on record since Jul 29, 2011
- VP, Finance & CAO at WESTERN DIGITAL CORP · on record since Feb 20, 2019
- Principal Accounting Officer at NVIDIA CORP · on record since Jun 20, 2019
Insider trading activity of Robertson Donald F Jr
- Transactions on record
- 211
- since Jul 29, 2011
- Open-market buys
- 0
- Open-market sells
- 51
- $29.7M
- Companies traded
- 3
- last filing Mar 20, 2026
Figures computed from official regulatory filings — methodology.
Companies where Robertson Donald F Jr has traded
Track record of Robertson Donald F Jr
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Robertson Donald F Jr
Co-insiders of Robertson Donald F Jr
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BEHRENDT PETER DWESTERN DIGITAL CORP
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| Mar 20, 2026 | Sell | -2,100 | 175.79 USD | $369.2K | SEC |
| Mar 20, 2026 | Sell | -600 | 177.31 USD | $106.4K | SEC |
| Mar 20, 2026 | Other | -4,575 | 181.93 USD | $832.3K | SEC |
| Mar 20, 2026 | Sell | -600 | 174.85 USD | $104.9K | SEC |
| Mar 20, 2026 | Sell | -400 | 172.97 USD | $69.2K | SEC |
| Mar 20, 2026 | Sell | -1,196 | 172.58 USD | $206.4K | SEC |
| Mar 20, 2026 | Sell | -500 | 173.78 USD | $86.9K | SEC |
| Jan 6, 2026 | Sell | -38,911 | 189.71 USD | $7.4M | SEC |
| Jan 6, 2026 | Sell | -23,189 | 188.85 USD | $4.4M | SEC |
| Jan 6, 2026 | Sell | -1,900 | 192.49 USD | $365.7K | SEC |
| Jan 6, 2026 | Sell | -8,200 | 191.73 USD | $1.6M | SEC |
| Jan 6, 2026 | Sell | -7,800 | 190.86 USD | $1.5M | SEC |
| Dec 22, 2025 | Sell | -6,400 | 179.36 USD | $1.1M | SEC |
| Dec 22, 2025 | Sell | -1,690 | 180.88 USD | $305.7K | SEC |
| Dec 22, 2025 | Sell | -400 | 176.91 USD | $70.8K | SEC |
| Dec 22, 2025 | Sell | -1,800 | 178.35 USD | $321K | SEC |
| Dec 22, 2025 | Sell | -14,300 | 180.45 USD | $2.6M | SEC |
| Dec 12, 2025 | Other | -5,390 | 184.97 USD | $997K | SEC |
| Sep 19, 2025 | Sell | -2,611 | 176.11 USD | $459.8K | SEC |
| Sep 19, 2025 | Sell | -889 | 177.14 USD | $157.5K | SEC |
| Sep 19, 2025 | Other | -7,287 | 174.88 USD | $1.3M | SEC |
| Jun 23, 2025 | Other | -7,303 | 144.12 USD | $1.1M | SEC |
| Jun 23, 2025 | Sell | -4,500 | 143.66 USD | $646.5K | SEC |
| Mar 25, 2025 | Sell | -1,900 | 116.31 USD | $221K | SEC |
| Mar 25, 2025 | Sell | -2,300 | 117.07 USD | $269.3K | SEC |