STUELPNAGEL JOHN R
Director · TXG
As of 2026-09-27, STUELPNAGEL JOHN R has 8 Form 4 transactions on record across 1 company — 6 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 $28.2M
- Indirect $0
| TXG | direct | 328,436 sh | $28.2M |
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 |
|---|---|---|---|---|---|---|---|
| 2026-09-03 | TXG | Sale | 7,012 @ $60.66 | $425K | −2.0% of holding | 341,424 | Form 4 |
| 2026-09-03 | TXG | Sale | 6,814 @ $62.11 | $423K | −2.0% of holding | 334,610 | Form 4 |
| 2026-09-03 | TXG | Sale | 6,174 @ $62.61 | $387K | −1.8% of holding | 328,436 | Form 4 |
| 2026-08-11 | TXG | Sale | 17,000 @ $57.58 | $979K | −4.6% of holding | 351,436 | Form 4 |
| 2026-08-11 | TXG | Sale | 3,000 @ $58.73 | $176K | −0.9% of holding | 348,436 | Form 4 |
3 award / exercise / gift records — not counted as purchases
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.