Mark Patterson
Insider
First SEC filing: Aug. 8, 2025 · Latest: June 11, 2026
Insider at
Insider transactions
0 buys (P)
18 sells (S)
Net: $-8,016,750
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 16, 2026 | CSCO | A | 92,817 | · | · | 258,595 Direct | +55.99% | Acquired | (price as of 2026-10-02) |
| Sept. 11, 2026 | CSCO | S 10b5-1 | 1,795 | $108.87 | $195,422 | 165,778 Direct | -1.07% | Disposed | 3.1% (price as of 2026-10-02) |
| Sept. 10, 2026 | CSCO | F | 1,553 | $109.43 | $169,945 | 167,573 Direct | -0.92% | Disposed | 2.5% (price as of 2026-10-02) |
| Aug. 14, 2026 | CSCO | S 10b5-1 | 904 | $110.60 | $99,982 | 173,415 Direct | -0.52% | Disposed | 1.4% (price as of 2026-10-02) |
| Aug. 14, 2026 | CSCO | S 10b5-1 | 3,788 | $111.60 | $422,741 | 169,627 Direct | -2.18% | Disposed | 0.5% (price as of 2026-10-02) |
| Aug. 14, 2026 | CSCO | S 10b5-1 | 500 | $112.52 | $56,260 | 169,127 Direct | -0.29% | Disposed | -0.3% (price as of 2026-10-02) |
| Aug. 10, 2026 | CSCO | F | 4,066 | $121.43 | $493,734 | 174,319 Direct | -2.28% | Disposed | -7.6% (price as of 2026-10-02) |
| June 11, 2026 | CSCO | S 10b5-1 | 200 | $122.40 | $24,480 | 177,517 Direct | -0.11% | Disposed | -8.3% (price as of 2026-10-02) |
| June 11, 2026 | CSCO | S 10b5-1 | 2,546 | $121.75 | $309,976 | 177,717 Direct | -1.41% | Disposed | -7.8% (price as of 2026-10-02) |
| June 11, 2026 | CSCO | S 10b5-1 | 1,100 | $120.44 | $132,484 | 180,263 Direct | -0.61% | Disposed | -6.8% (price as of 2026-10-02) |
| June 11, 2026 | CSCO | S 10b5-1 | 851 | $119.44 | $101,643 | 181,363 Direct | -0.47% | Disposed | -6.1% (price as of 2026-10-02) |
| June 11, 2026 | CSCO | S 10b5-1 | 1,600 | $118.36 | $189,376 | 182,214 Direct | -0.87% | Disposed | -5.2% (price as of 2026-10-02) |
| June 11, 2026 | CSCO | S 10b5-1 | 1,100 | $117.60 | $129,360 | 183,814 Direct | -0.59% | Disposed | -4.6% (price as of 2026-10-02) |
| June 10, 2026 | CSCO | F | 6,399 | $120.36 | $770,184 | 184,914 Direct | -3.34% | Disposed | -6.8% (price as of 2026-10-02) |
| May 15, 2026 | CSCO | S 10b5-1 | 300 | $115.08 | $34,524 | 196,525 Direct | -0.15% | Disposed | -2.5% (price as of 2026-10-02) |
| May 15, 2026 | CSCO | S 10b5-1 | 1,495 | $116.65 | $174,392 | 195,030 Direct | -0.76% | Disposed | -3.8% (price as of 2026-10-02) |
| May 15, 2026 | CSCO | S 10b5-1 | 2,005 | $117.34 | $235,267 | 193,025 Direct | -1.03% | Disposed | -4.4% (price as of 2026-10-02) |
| May 15, 2026 | CSCO | S 10b5-1 | 1,712 | $118.16 | $202,290 | 191,313 Direct | -0.89% | Disposed | -5.0% (price as of 2026-10-02) |
| May 10, 2026 | CSCO | F | 3,640 | $96.57 | $351,515 | 196,825 Direct | -1.82% | Disposed | 16.2% (price as of 2026-10-02) |
| March 20, 2026 | CSCO | S 10b5-1 | 2,501 | $78.26 | $195,728 | 200,041 Direct | -1.23% | Disposed | 43.4% (price as of 2026-10-02) |
| March 20, 2026 | CSCO | S 10b5-1 | 2,391 | $77.68 | $185,733 | 202,542 Direct | -1.17% | Disposed | 44.4% (price as of 2026-10-02) |
| Feb. 10, 2026 | CSCO | F | 1,840 | $86.78 | $159,675 | 204,933 Direct | -0.89% | Disposed | 29.3% (price as of 2026-10-02) |
| Nov. 21, 2025 | CSCO | F | 2,626 | $76.10 | $199,839 | 206,271 Direct | -1.26% | Disposed | 47.4% (price as of 2026-10-02) |
| Nov. 18, 2025 | CSCO | S 10b5-1 | 20,284 | $77.63 | $1,574,647 | 208,897 Direct | -8.85% | Disposed | 44.5% (price as of 2026-10-02) |
| Nov. 18, 2025 | CSCO | S 10b5-1 | 48,632 | $77.16 | $3,752,445 | 229,181 Direct | -17.51% | Disposed | 45.4% (price as of 2026-10-02) |
| Nov. 10, 2025 | CSCO | F | 44,714 | $71.07 | $3,177,824 | 277,813 Direct | -13.86% | Disposed | 57.9% (price as of 2026-10-02) |
| Nov. 10, 2025 | CSCO | A | 74,492 | · | · | 322,527 Direct | +30.03% | Acquired | (price as of 2026-10-02) |
| Sept. 16, 2025 | CSCO | A | 89,646 | · | · | 247,514 Direct | +56.79% | Acquired | (price as of 2026-10-02) |
| Aug. 19, 2025 | CSCO | S 10b5-1 | 7,230 | $66.98 | $484,265 | 157,868 Direct | -4.38% | Disposed | 67.5% (price as of 2026-10-02) |
| Aug. 10, 2025 | CSCO | F | 4,691 | $71.79 | $336,767 | 165,098 Direct | -2.76% | Disposed | 56.3% (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.
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Aug. 8, 2025 | CSCO | Common Stock | · | Direct |