Armstrong Jason
SEC CIK 1958909 · EDGAR
BoughtSold
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| CMCSA | Comcast | CFO, Treas | 172.4K | — | $2.96M | 43 | 2023-01-04 | 2026-03-05 |
Most active insiders at CMCSA, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Cavanagh Michael J | Co-CEO, Dir | — | $1.89M |
| 2 | NAKAHARA ASUKA | Dir | — | $245.8K |
| 3 | Armstrong Jason | CFO | — | $142.6K |
| 4 | Khoury Jennifer | Chief Comms Off | — | — |
| 5 | Reid Thomas J. | CLO, Sec | — | — |
| 6 | Lucas Wonya Y | Dir | — | — |
| 7 | Murdock Daniel C. | EVP, CAO | — | — |
| 8 | Brady Louise F. | Dir | — | — |
| 9 | Bell Madeline S. | Dir | — | — |
| 10 | Baltimore Thomas J Jr | Dir | — | — |
Transactions 43
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2026-03-06 | 2026-03-05 | CMCSA | Comcast | Armstrong Jason | CFO | M - OptEx | $28.38 | +73.5K | 172.4K | +74% | +$2.09M |
| D | 2026-03-06 | 2026-03-05 | CMCSA | Comcast | Armstrong Jason | CFO | F - Tax | $31.75 | -69.0K | 98.9K | -41% | -$2.19M |
| D | 2026-03-06 | 2026-03-05 | CMCSA | Comcast | Armstrong Jason | CFO | S - Sale+OE | $31.74 | -4,494 | 167.9K | -3% | -$142.6K |
| DM | 2026-03-03 | 2026-03-01 | CMCSA | Comcast | Armstrong Jason | CFO | M - OptEx | $0.00 | +103.5K | 146.7K | +239% | $0 |
| DM | 2026-03-03 | 2026-03-01 | CMCSA | Comcast | Armstrong Jason | CFO | F - Tax | $30.96 | -47.8K | 142.0K | -25% | -$1.48M |
| D | 2026-01-22 | 2026-01-20 | CMCSA | Comcast | Armstrong Jason | CFO | M - OptEx | $0.00 | +8,150 | 47.2K | +21% | $0 |
| D | 2026-01-22 | 2026-01-20 | CMCSA | Comcast | Armstrong Jason | CFO | F - Tax | $28.42 | -3,950 | 43.3K | -8% | -$112.3K |
| D | 2025-06-06 | 2025-06-05 | CMCSA | Comcast | Armstrong Jason | CFO | F - Tax | $34.22 | -4,032 | 39.1K | -9% | -$138.0K |
| D | 2025-06-06 | 2025-06-05 | CMCSA | Comcast | Armstrong Jason | CFO | M - OptEx | $0.00 | +9,504 | 43.1K | +28% | $0 |
| DM | 2025-03-04 | 2025-03-01 | CMCSA | Comcast | Armstrong Jason | CFO | F - Tax | $35.88 | -2,952 | 32.9K | -8% | -$105.9K |
| DM | 2025-03-04 | 2025-03-01 | CMCSA | Comcast | Armstrong Jason | CFO | M - OptEx | $0.00 | +6,382 | 35.9K | +22% | $0 |
| D | 2025-01-15 | 2025-01-14 | CMCSA | Comcast | Armstrong Jason | CFO | F - Tax | $36.38 | -3,580 | 29.5K | -11% | -$130.2K |
| D | 2025-01-15 | 2025-01-14 | CMCSA | Comcast | Armstrong Jason | CFO | M - OptEx | $0.00 | +7,740 | 33.1K | +31% | $0 |
| D | 2024-11-07 | 2024-11-06 | CMCSA | Comcast | Armstrong Jason | CFO | F - Tax | $44.86 | -55.0K | 25.3K | -68% | -$2.47M |
| DM | 2024-11-07 | 2024-11-06 | CMCSA | Comcast | Armstrong Jason | CFO | S - Sale+OE | $44.84 | -23.2K | 93.5K | -20% | -$1.04M |
| D | 2024-11-07 | 2024-11-06 | CMCSA | Comcast | Armstrong Jason | CFO | M - OptEx | $29.73 | +68.2K | 103.5K | +193% | +$2.03M |
| D | 2024-06-07 | 2024-06-05 | CMCSA | Comcast | Armstrong Jason | CFO | F - Tax | $39.14 | -1,512 | 35.3K | -4% | -$59.2K |
| D | 2024-06-07 | 2024-06-05 | CMCSA | Comcast | Armstrong Jason | CFO | M - OptEx | $0.00 | +3,564 | 36.8K | +11% | $0 |
| D | 2024-03-19 | 2024-03-15 | CMCSA | Comcast | Armstrong Jason | CFO | M - OptEx | $0.00 | +6,440 | 35.4K | +22% | $0 |
| D | 2024-03-19 | 2024-03-15 | CMCSA | Comcast | Armstrong Jason | CFO | F - Tax | $42.77 | -2,732 | 32.7K | -8% | -$116.8K |
| DM | 2024-03-05 | 2024-03-01 | CMCSA | Comcast | Armstrong Jason | CFO | F - Tax | $42.80 | -2,697 | 29.0K | -9% | -$115.4K |
| DM | 2024-03-05 | 2024-03-01 | CMCSA | Comcast | Armstrong Jason | CFO | M - OptEx | $0.00 | +6,382 | 29.6K | +27% | $0 |
| D | 2024-02-16 | 2024-02-15 | CMCSA | Comcast | Armstrong Jason | CFO | M - OptEx | $0.00 | +5,296 | 27.6K | +24% | $0 |
| D | 2024-02-16 | 2024-02-15 | CMCSA | Comcast | Armstrong Jason | CFO | F - Tax | $41.80 | -2,247 | 25.3K | -8% | -$93.9K |
| D | 2024-01-16 | 2024-01-14 | CMCSA | Comcast | Armstrong Jason | CFO | F - Tax | $42.99 | -3,159 | 22.3K | -12% | -$135.8K |
| D | 2024-01-16 | 2024-01-14 | CMCSA | Comcast | Armstrong Jason | CFO | M - OptEx | $0.00 | +7,740 | 25.4K | +44% | $0 |
| D | 2024-01-08 | 2024-01-04 | CMCSA | Comcast | Armstrong Jason | CFO | M - OptEx | $0.00 | +5,592 | 20.1K | +39% | $0 |
| D | 2024-01-08 | 2024-01-04 | CMCSA | Comcast | Armstrong Jason | CFO | F - Tax | $42.63 | -2,373 | 17.7K | -12% | -$101.2K |
| DM | 2023-11-22 | 2023-11-20 | CMCSA | Comcast | Armstrong Jason | CFO | S - Sale+OE | $42.63 | -41.7K | 70.4K | -37% | -$1.78M |
| D | 2023-11-22 | 2023-11-20 | CMCSA | Comcast | Armstrong Jason | CFO | M - OptEx | $25.00 | +27.2K | 76.8K | +55% | +$680.0K |
| D | 2023-11-22 | 2023-11-20 | CMCSA | Comcast | Armstrong Jason | CFO | F - Tax | $42.61 | -20.7K | 49.6K | -29% | -$883.3K |
| D | 2023-06-06 | 2023-06-05 | CMCSA | Comcast | Armstrong Jason | CFO, Treas | M - OptEx | $0.00 | +3,564 | 51.2K | +7% | $0 |
| D | 2023-06-06 | 2023-06-05 | CMCSA | Comcast | Armstrong Jason | CFO, Treas | F - Tax | $39.79 | -1,512 | 49.6K | -3% | -$60.2K |
| D | 2023-04-04 | 2023-04-01 | CMCSA | Comcast | Armstrong Jason | CFO, Treas | F - Tax | $37.91 | -1,997 | 46.9K | -4% | -$75.7K |
| D | 2023-04-04 | 2023-04-01 | CMCSA | Comcast | Armstrong Jason | CFO, Treas | M - OptEx | $0.00 | +4,312 | 48.9K | +10% | $0 |
| DM | 2023-03-17 | 2023-03-15+ | CMCSA | Comcast | Armstrong Jason | CFO, Treas | M - OptEx | $0.00 | +8,015 | 47.0K | +21% | $0 |
| DM | 2023-03-17 | 2023-03-15+ | CMCSA | Comcast | Armstrong Jason | CFO, Treas | F - Tax | $36.13 | -3,401 | 44.6K | -7% | -$122.9K |
| DM | 2023-03-03 | 2023-03-01+ | CMCSA | Comcast | Armstrong Jason | CFO, Treas | M - OptEx | $0.00 | +18.4K | 46.9K | +64% | $0 |
| DM | 2023-03-03 | 2023-03-01+ | CMCSA | Comcast | Armstrong Jason | CFO, Treas | F - Tax | $36.91 | -7,797 | 40.0K | -16% | -$287.8K |
| DM | 2023-02-16 | 2023-02-14+ | CMCSA | Comcast | Armstrong Jason | CFO, Treas | F - Tax | $39.13 | -4,127 | 29.4K | -12% | -$161.5K |
| DM | 2023-02-16 | 2023-02-14+ | CMCSA | Comcast | Armstrong Jason | CFO, Treas | M - OptEx | $0.00 | +9,726 | 31.5K | +45% | $0 |
| D | 2023-01-06 | 2023-01-04 | CMCSA | Comcast | Armstrong Jason | CFO, Treas | F - Tax | $36.59 | -971 | 23.8K | -4% | -$35.5K |
| D | 2023-01-06 | 2023-01-04 | CMCSA | Comcast | Armstrong Jason | CFO, Treas | M - OptEx | $0.00 | +2,097 | 24.8K | +9% | $0 |
Purchase Sale Sale after option exercise All abbreviations