Armstrong Jason (CIK 1958909) reported 19 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-06). Recent activity: Buy CMCSA (73,497 shares), Sell CMCSA (4,494 shares), Sell CMCSA (69,003 shares), Buy CMCSA (93,142 shares), Buy CMCSA (5,813 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-06 | COMCAST CORP (CMCSA) | CFO | Buy | 73,497 | $2.1M |
| 2026-03-06 | COMCAST CORP (CMCSA) | CFO | Sell | 4,494 | $142,640 |
| 2026-03-06 | COMCAST CORP (CMCSA) | CFO | Sell | 69,003 | $2.2M |
| 2026-03-03 | COMCAST CORP (CMCSA) | CFO | Buy | 93,142 | $0 |
| 2026-03-03 | COMCAST CORP (CMCSA) | CFO | Buy | 5,813 | $0 |
| 2026-03-03 | COMCAST CORP (CMCSA) | CFO | Buy | 4,540 | $0 |
| 2026-03-03 | COMCAST CORP (CMCSA) | CFO | Sell | 2,099 | $64,985 |
| 2026-03-03 | COMCAST CORP (CMCSA) | CFO | Sell | 2,688 | $83,220 |
| 2026-03-03 | COMCAST CORP (CMCSA) | CFO | Sell | 43,060 | $1.3M |
| 2026-01-22 | COMCAST CORP (CMCSA) | CFO | Buy | 8,150 | $0 |
| 2026-01-22 | COMCAST CORP (CMCSA) | CFO | Sell | 3,950 | $112,259 |
| 2025-06-06 | COMCAST CORP (CMCSA) | CFO | Buy | 9,504 | $0 |
| 2025-06-06 | COMCAST CORP (CMCSA) | CFO | Sell | 4,032 | $137,975 |
| 2025-03-04 | COMCAST CORP (CMCSA) | CFO | Buy | 4,312 | $0 |
| 2025-03-04 | COMCAST CORP (CMCSA) | CFO | Buy | 2,070 | $0 |
| 2025-03-04 | COMCAST CORP (CMCSA) | CFO | Sell | 958 | $34,373 |
| 2025-03-04 | COMCAST CORP (CMCSA) | CFO | Sell | 1,994 | $71,545 |
| 2025-01-15 | COMCAST CORP (CMCSA) | CFO | Buy | 7,740 | $0 |
| 2025-01-15 | COMCAST CORP (CMCSA) | CFO | Sell | 3,580 | $130,240 |
Source: SEC Form 4 filings · as of 2026-03-06