David Z Anderson
CIK 1439331 · View on SEC EDGAR ↗
Insider
First SEC filing: July 11, 2008 · Latest: July 11, 2008
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 7 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
7 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Oct. 23, 2009 | STX | S | 543 | $16.01 | $8,693 | 2,500 Direct | -17.84% | Disposed | 5134.3% (price as of 2026-08-20) |
| Sept. 15, 2009 | STX | S 10b5-1 | 290 | $15.36 | $4,454 | 3,043 Direct | -8.70% | Disposed | 5355.8% (price as of 2026-08-20) |
| Aug. 4, 2009 | STX | S | 422 | $12.26 | $5,174 | 3,333 Direct | -11.24% | Disposed | 6735.3% (price as of 2026-08-20) |
| Aug. 4, 2009 | STX | S | 442 | $12.26 | $5,419 | 3,333 Direct | -11.71% | Disposed | 6735.3% (price as of 2026-08-20) |
| Feb. 3, 2009 | STX | S | 331 | $3.84 | $1,271 | 3,333 Direct | -9.03% | Disposed | 21723.2% (price as of 2026-08-20) |
| Aug. 4, 2008 | STX | S | 439 | $14.92 | $6,550 | 0 Direct | -100.00% | Disposed | 5516.7% (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 |
|---|---|---|---|---|---|---|---|
| March 6, 2009 | STX | NQ Stock Options | Common Shares (80,000) | $3.34 | March 6, 2016 | 80,000 | Acquired |
| Sept. 12, 2008 | STX | NQ Stock Options | Common Shares (15,000) | $13.73 | Sept. 12, 2015 | 15,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 6 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| July 11, 2008 | STX | NQ Stock Option→ Common Shares (18,900) | 18,900 | Direct |
| July 11, 2008 | STX | NQ Stock Option→ Common Shares (4,374) | 4,374 | Direct |
| July 11, 2008 | STX | NQ Stock Option→ Common Shares (15,000) | 15,000 | Direct |
| July 11, 2008 | STX | NQ Stock Option→ Common Shares (35,000) | 35,000 | Direct |
| July 11, 2008 | STX | NQ Stock Option→ Common Shares (15,000) | 15,000 | Direct |
| July 11, 2008 | STX | NQ Stock Option→ Common Shares (12,500) | 12,500 | Direct |