Eduard A Schummer
Insider
First SEC filing: March 8, 2005 · Latest: March 8, 2005
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 1, 2006 | DLB | C | 9,000 | · | · | 67,410 Direct | -11.78% | Disposed | (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | S | 900 | $21.10 | $18,990 | 791 Direct | -53.22% | Disposed | 179.1% (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | S | 200 | $21.06 | $4,212 | 1,691 Direct | -10.58% | Disposed | 179.6% (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | S | 700 | $21.05 | $14,735 | 1,891 Direct | -27.02% | Disposed | 179.8% (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | S | 900 | $21.00 | $18,900 | 2,591 Direct | -25.78% | Disposed | 180.4% (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | S | 200 | $20.96 | $4,192 | 3,491 Direct | -5.42% | Disposed | 181.0% (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | S | 1,500 | $20.95 | $31,425 | 3,691 Direct | -28.90% | Disposed | 181.1% (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | S | 100 | $20.93 | $2,093 | 5,191 Direct | -1.89% | Disposed | 181.4% (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | S | 900 | $20.60 | $18,540 | 5,291 Direct | -14.54% | Disposed | 185.9% (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | S | 900 | $20.55 | $18,495 | 6,191 Direct | -12.69% | Disposed | 186.6% (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | S | 500 | $20.48 | $10,240 | 7,091 Direct | -6.59% | Disposed | 187.5% (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | S | 400 | $20.47 | $8,188 | 7,591 Direct | -5.01% | Disposed | 187.7% (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | S | 100 | $20.46 | $2,046 | 7,991 Direct | -1.24% | Disposed | 187.8% (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | S | 800 | $20.42 | $16,336 | 8,091 Direct | -9.00% | Disposed | 188.4% (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | S | 900 | $20.32 | $18,288 | 8,891 Direct | -9.19% | Disposed | 189.8% (price as of 2026-10-02) |
| Feb. 1, 2006 | DLB | C | 9,000 | · | · | 9,791 Direct | +1137.80% | Acquired | (price as of 2026-10-02) |
| Jan. 3, 2006 | DLB | C | 9,000 | · | · | 76,410 Direct | -10.54% | Disposed | (price as of 2026-10-02) |
| Jan. 3, 2006 | DLB | S | 900 | $16.98 | $15,282 | 791 Direct | -53.22% | Disposed | 246.8% (price as of 2026-10-02) |
| Jan. 3, 2006 | DLB | S | 400 | $17.15 | $6,860 | 1,691 Direct | -19.13% | Disposed | 243.4% (price as of 2026-10-02) |
| Jan. 3, 2006 | DLB | S | 500 | $17.13 | $8,565 | 2,091 Direct | -19.30% | Disposed | 243.8% (price as of 2026-10-02) |
| Jan. 3, 2006 | DLB | S | 900 | $17.05 | $15,345 | 2,591 Direct | -25.78% | Disposed | 245.4% (price as of 2026-10-02) |
| Jan. 3, 2006 | DLB | S | 5,400 | $17.00 | $91,800 | 3,491 Direct | -60.74% | Disposed | 246.4% (price as of 2026-10-02) |
| Jan. 3, 2006 | DLB | S | 900 | $16.99 | $15,291 | 8,891 Direct | -9.19% | Disposed | 246.6% (price as of 2026-10-02) |
| Jan. 3, 2006 | DLB | C | 9,000 | · | · | 9,791 Direct | +1137.80% | Acquired | (price as of 2026-10-02) |
| Dec. 20, 2005 | DLB | C | 250 | · | · | 85,410 Direct | -0.29% | Disposed | (price as of 2026-10-02) |
| Dec. 20, 2005 | DLB | G | 250 | · | · | 791 Direct | -24.02% | Disposed | (price as of 2026-10-02) |
| Dec. 20, 2005 | DLB | C | 250 | · | · | 1,041 Direct | +31.61% | Acquired | (price as of 2026-10-02) |
| Oct. 13, 2005 | DLB | M | 67,280 | $1.26 | $84,773 | 85,660 Direct | +366.05% | Acquired | 4573.8% (price as of 2026-10-02) |
| Oct. 13, 2005 | DLB | M | 67,280 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 16, 2005 | DLB | A | 50,000 | · | · | 50,000 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| Feb. 1, 2006 | DLB | Class B Common Stock | Class A Common Stock | · | · | 9,000 | Disposed |
| Jan. 3, 2006 | DLB | Class B Common Stock | Class A Common Stock | · | · | 9,000 | Disposed |
| Dec. 20, 2005 | DLB | Class B Common Stock | Class A Common Stock | · | · | 250 | Disposed |
| Oct. 13, 2005 | DLB | Class B Common Stock | Class A Common Stock | · | · | 67,280 | Acquired |
| Oct. 13, 2005 | DLB | Employee Stock Option (Right to Buy) | Class B Common Stock | $1.26 | Sept. 30, 2010 | 67,280 | Disposed |
| June 16, 2005 | DLB | Employee Stock Option (Right to Buy) | Class A Common Stock | $19.20 | June 15, 2015 | 50,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 8 holdings
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| March 8, 2005 | DLB | Employee Stock Option (right to buy) | 67,280 | Direct |
| March 8, 2005 | DLB | Employee Stock Option (right to buy) | 75,000 | Direct |
| March 8, 2005 | DLB | Employee Stock Option (right to buy) | 180,000 | Direct |
| March 8, 2005 | DLB | Class B Common Stock | 18,380 | Direct |
| Feb. 15, 2005 | DLB | Employee Stock Option (right to buy) | 67,280 | Direct |
| Feb. 15, 2005 | DLB | Employee Stock Option (right to buy) | 75,000 | Direct |
| Feb. 15, 2005 | DLB | Employee Stock Option (right to buy) | 180,000 | Direct |
| Feb. 15, 2005 | DLB | Class B Common Stock | 18,380 | Direct |