Mark Patterson
CIK 2080779 · View on SEC EDGAR ↗
Insider
First SEC filing: Aug. 8, 2025 · Latest: June 11, 2026
On this page
Insider at
Insider transactions
0 buys (P)
18 sells (S)
Net:
$-8,305,593
+ 9 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
9 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 14, 2026 | CSCO | S 10b5-1 | 904 | $110.60 | $99,982 | 173,415 Direct | -0.52% | Disposed | 0.5% (price as of 2026-08-19) |
| Aug. 14, 2026 | CSCO | S 10b5-1 | 3,788 | $111.60 | $422,741 | 169,627 Direct | -2.18% | Disposed | -0.4% (price as of 2026-08-19) |
| Aug. 14, 2026 | CSCO | S 10b5-1 | 500 | $112.52 | $56,260 | 169,127 Direct | -0.29% | Disposed | -1.2% (price as of 2026-08-19) |
| June 11, 2026 | CSCO | S 10b5-1 | 200 | $122.40 | $24,480 | 177,517 Direct | -0.11% | Disposed | -9.2% (price as of 2026-08-19) |
| June 11, 2026 | CSCO | S 10b5-1 | 2,546 | $121.75 | $309,976 | 177,717 Direct | -1.41% | Disposed | -8.7% (price as of 2026-08-19) |
| June 11, 2026 | CSCO | S 10b5-1 | 1,100 | $120.44 | $132,484 | 180,263 Direct | -0.61% | Disposed | -7.7% (price as of 2026-08-19) |
| June 11, 2026 | CSCO | S 10b5-1 | 851 | $119.44 | $101,643 | 181,363 Direct | -0.47% | Disposed | -6.9% (price as of 2026-08-19) |
| June 11, 2026 | CSCO | S 10b5-1 | 1,600 | $118.36 | $189,376 | 182,214 Direct | -0.87% | Disposed | -6.1% (price as of 2026-08-19) |
| June 11, 2026 | CSCO | S 10b5-1 | 1,100 | $117.60 | $129,360 | 183,814 Direct | -0.59% | Disposed | -5.5% (price as of 2026-08-19) |
| May 15, 2026 | CSCO | S 10b5-1 | 300 | $115.08 | $34,524 | 196,525 Direct | -0.15% | Disposed | -3.4% (price as of 2026-08-19) |
| May 15, 2026 | CSCO | S 10b5-1 | 1,495 | $116.65 | $174,392 | 195,030 Direct | -0.76% | Disposed | -4.7% (price as of 2026-08-19) |
| May 15, 2026 | CSCO | S 10b5-1 | 2,005 | $117.34 | $235,267 | 193,025 Direct | -1.03% | Disposed | -5.3% (price as of 2026-08-19) |
| May 15, 2026 | CSCO | S 10b5-1 | 1,712 | $118.16 | $202,290 | 191,313 Direct | -0.89% | Disposed | -5.9% (price as of 2026-08-19) |
| March 20, 2026 | CSCO | S 10b5-1 | 2,501 | $78.26 | $195,728 | 200,041 Direct | -1.23% | Disposed | 42.0% (price as of 2026-08-19) |
| March 20, 2026 | CSCO | S 10b5-1 | 2,391 | $77.68 | $185,733 | 202,542 Direct | -1.17% | Disposed | 43.1% (price as of 2026-08-19) |
| Nov. 18, 2025 | CSCO | S 10b5-1 | 20,284 | $77.63 | $1,574,647 | 208,897 Direct | -8.85% | Disposed | 43.2% (price as of 2026-08-19) |
| Nov. 18, 2025 | CSCO | S 10b5-1 | 48,632 | $77.16 | $3,752,445 | 229,181 Direct | -17.51% | Disposed | 44.0% (price as of 2026-08-19) |
| Aug. 19, 2025 | CSCO | S 10b5-1 | 7,230 | $66.98 | $484,265 | 157,868 Direct | -4.38% | Disposed | 65.9% (price as of 2026-08-19) |
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 |