Swieringa John
Officer · SATS
As of 2026-09-16, Swieringa John has 31 Form 4 transactions on record across 1 company — 10 in the trailing 12 months.
Everything this person has disclosed to the SEC on Form 4 — across every company they file for — reconstructed from the public record. A filing history, not a tip sheet.
Reconstructed holdings
- Direct $9.1M
- Indirect $0
| SATS | direct | 105,264 sh | $9.1M |
Reconstructed from this person's own Form 4 filings — the total each filing reported owning afterward, priced at the close on the as-of date shown. A filed position can lag the real one.
Direct and indirect holdings (e.g. through a trust or fund) are tagged separately, as filed.
Trades by company
Filing ledger
| Date | Company | Action | Shares @ price | Value | Ownership Δ | Owned after | Filing |
|---|---|---|---|---|---|---|---|
| 2026-03-04 | SATS | Sale | 35,088 @ $113.39 | $4.0M | −12.2% of holding | 253,535 | Form 4 |
| 2026-03-04 | SATS | Sale | 15,000 @ $114.04 | $1.7M | −5.6% of holding | 253,535 | Form 4 |
| 2025-11-21 | SATS | Sale | 22,000 @ $67.34 | $1.5M | −7.2% of holding | 283,509 | Form 4 |
| 2025-09-09 | SATS | Sale | 63,840 @ $81.20 | $5.2M | −99.3% of holding | 432 | Form 4 |
| 2025-09-09 | SATS | Sale | 35,087 @ $81.20 | $2.8M | −98.8% of holding | 432 | Form 4 |
| 2025-09-09 | SATS | Sale | 27,276 @ $81.24 | $2.2M | −98.4% of holding | 432 | Form 4 |
| 2025-09-09 | SATS | Sale | 16,936 @ $81.18 | $1.4M | −97.5% of holding | 432 | Form 4 |
| 2025-09-09 | SATS | Sale | 11,696 @ $81.18 | $949K | −96.4% of holding | 432 | Form 4 |
23 award / exercise / gift records — not counted as purchases
| Date | Company | Action | Shares | Owned after | Filing |
|---|---|---|---|---|---|
| 2026-03-04 | SATS | Option exercise | 35,088 | 288,623 | Form 4 |
| 2026-03-04 | SATS | Option exercise | 35,088 | 105,264 | Form 4 |
| 2026-01-02 | SATS | Withheld for tax | 7,964 | 275,553 | Form 4 |
| 2025-10-01 | SATS | Withheld for tax | 22,125 | 305,509 | Form 4 |
| 2025-10-01 | SATS | Option exercise | 50,000 | 0 | Form 4 |
| 2025-10-01 | SATS | Award / grant | 60,000 | 15,000 | Form 4 |
| 2025-10-01 | SATS | Option exercise | 50,000 | 327,634 | Form 4 |
| 2025-09-09 | SATS | Option exercise | 63,840 | 64,272 | Form 4 |
| 2025-09-09 | SATS | Option exercise | 35,087 | 35,519 | Form 4 |
| 2025-09-09 | SATS | Option exercise | 16,936 | 17,368 | Form 4 |
| 2025-09-09 | SATS | Option exercise | 11,696 | 12,128 | Form 4 |
| 2025-09-09 | SATS | Option exercise | 11,696 | 5,847 | Form 4 |
| 2025-09-09 | SATS | Option exercise | 63,840 | 27,362 | Form 4 |
| 2025-09-09 | SATS | Option exercise | 16,936 | 50,809 | Form 4 |
| 2025-09-09 | SATS | Option exercise | 35,087 | 140,352 | Form 4 |
| 2025-06-26 | SATS | Award / grant | 250,000 | 250,000 | Form 4 |
| 2024-12-31 | SATS | Withheld for tax | 6,469 | 27,650 | Form 4 |
| 2024-12-31 | SATS | Option exercise | 14,035 | 56,140 | Form 4 |
| 2024-12-31 | SATS | Option exercise | 7,017 | 21,053 | Form 4 |
| 2024-12-31 | SATS | Option exercise | 7,017 | 19,976 | Form 4 |
| 2024-12-31 | SATS | Option exercise | 14,035 | 34,011 | Form 4 |
| 2024-12-31 | SATS | Option exercise | 7,017 | 19,976 | Form 4 |
| 2024-12-31 | SATS | Option exercise | 14,035 | 34,011 | Form 4 |
Source: SEC Form 4 filings. Each row links to its original filing.
Research tool, not investment advice — historical frequencies, not recommendations. A product of Marovel Technologies LLC. Full terms.