144 ·Filed Sep 3, 2026

TXG

10x Genomics, Inc.
BEARISH
Impact 4/10
Horizondays Processed28d 23h ago SEC0001957799-26-000170
Actionable Insight ▼ Bearish

The director's repeated selling pattern (20k shares in August, another 20k proposed now) suggests ongoing monetization, though the dollar amount is small relative to market cap. Monitor for additional Form 144 filings from other insiders and watch for any upcoming earnings or material events that could accelerate selling. The elevated 30-day insider selling activity warrants caution.

DirectionBearish
Confidencemedium
Horizondays
Latest settled — T+5d
TXG ▲ +8.49% at T+5d
SHORT call ✗ call lost -8.49% · α vs SPY -9.64% · entry $63.22 → $68.59
Next anchor: T+20d due 6h ago
Latest observation: T+18 -19.10% FF3 residual α
Entry anchored
Sep 3, 02:28 PM ET
via 1-min bar
T+1d
-0.90%
call +0.90% · α +0.52%
$62.65
settled 28d ago
T+5d
+8.49%
call -8.49% · α -9.64%
$68.59
settled 21d ago
T+20d
—
call — · α —
—
due 6h ago
T+60d
—
call — · α —
—
in 8w

Price Chart

Loading chart...

Executive Summary

Director John R. Stuelpnagel filed a Form 144 notice of intent to sell 20,000 shares of Class A common stock, with an estimated aggregate market value of approximately $1.24 million based on a recent sale price of ~$61.75. The shares were originally granted as founder shares in 2017. This is a relatively small sale relative to the company's $8.0B market cap, but it follows a recent sale of the same number of shares on August 11, 2026, and comes amid elevated insider selling activity (9 sales totaling $4.1M in the past 30 days). The filing signals ongoing insider monetization, though the director's role and modest proportional size limit the bearish signal.

Key Facts

  • Director John R. Stuelpnagel filed Form 144 to sell 20,000 shares of Class A common stock.
  • Estimated aggregate market value of the proposed sale is approximately $1,235,045.87.
  • Shares were originally granted as founder shares on August 21, 2017.
  • A prior sale of 20,000 shares occurred on August 11, 2026, for ~$1,155,032.36.
  • Insider selling activity in the past 30 days totals 9 sales worth $4.1M.

Financial Impact

Proposed sale of 20,000 shares valued at ~$1.24M, representing a small fraction of the $8.0B market cap.

dilutioninsider selling

Risk Factors

  • Additional insider selling could pressure the stock.
  • The sale may signal a lack of confidence in near-term prospects, though the director role and small size limit the signal.

Market Snapshot

Exchange
Nasdaq
Sector
Laboratory Analytical Instruments
Analyst Consensus
45% bullish (20 analysts)

Investment Themes

Genomics & Gene Editing

Documents Analyzed

This report is based on 6 SEC documents filed with EDGAR.

DocumentAccession Number
144 Filing (TXG) — Batch item 10001957799-26-000170
Document: 0001957799-26-000170-index.html0001957799-26-000170
Document: 0001957799-26-000170.txt0001957799-26-000170
144 Filing (TXG) — Batch item 40001957799-26-000170
Document: 0001957799-26-000170-index.html0001957799-26-000170
Document: 0001957799-26-000170.txt0001957799-26-000170
18 reports for TXG
Performance horizon
0% Hit rate 0 of 6 directional calls best @ T+1▼ −1.11%Feb 23, 2026
Filters
Rows
Reports for TXG — sortable, filterable
TypeNow
Sep 11, 2026
20d ago
Insider Cluster
NEUTRAL ★ 3/10
$70.11 $79.10▲ +12.82%▲ +12.72%$91.40 (+30.37%)
Sep 3, 2026
28d ago
144
BEARISH ★ 4/10
$63.22 $68.59▼ −8.49%▼ −9.64%$91.40 (−44.58%)
Aug 28, 2026
4w ago
Insider Cluster
NEUTRAL ★ 4/10
$62.45 $65.60▲ +5.04%▲ +5.19%$91.40 (+46.37%)
Aug 26, 2026
5w ago
Insider Cluster
NEUTRAL ★ 3/10
$64.85 $63.22▼ −2.51%▼ −2.78%$91.40 (+40.95%)
Aug 20, 2026
6w ago
Institutional Cluster
MIXED ★ 5/10
$63.87 $64.85▲ +1.53%▲ +0.42%$91.40 (+43.11%)
Aug 19, 2026
6w ago
Court Ruling
BEARISH ★ 7/10
$62.19 $64.26▼ −3.33%▼ −3.72%$91.40 (−46.98%)
Aug 17, 2026
6w ago
Insider Cluster
NEUTRAL ★ 3/10
$57.99 $63.80▲ +10.02%▲ +11.21%$91.40 (+57.62%)
Jul 5, 2026
12w ago
Institutional Cluster
MIXED ★ 6/10
$40.00 $42.73▲ +6.83%▲ +6.34%$91.40 (+128.51%)
Jun 16, 2026
15w ago
144
NEUTRAL ★ 2/10
$32.13 $34.60▲ +7.69%▲ +8.73%$91.40 (+184.48%)
May 27, 2026
18w ago
Insider Cluster
NEUTRAL ★ 2/10
$27.99 $33.50▲ +19.69%▲ +19.37%$91.40 (+226.56%)
Showing 10 of 18

US Market Status

Market Open — Closes in 2h 20m

Subscribe to SecBot

Get Real-Time SEC Filing Intelligence

Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.

Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access