SecBot SecBot
144 ·Filed Oct 9, 2026

MDB

MongoDB, Inc.
BEARISH
Impact 5/10
Horizondays Processed18d 9h ago SEC0001957799-26-000182
Form 144 — notice of proposed sale of securities
Actionable Insight ▼ Bearish

Monitor for additional Form 144 or Form 4 filings from Merriman and other insiders. Watch next earnings for any guidance revision that could explain the selling.

DirectionBearish
Confidencemedium
Horizondays
Latest settled — T+5d
MDB ▼ -12.53% at T+5d
SHORT call ✓ call won +12.53% · α vs SPY +10.56% · entry $385.93 → $337.57
Next anchor: T+20d in 9d
Latest observation: T+10 -4.49% FF3 residual α
Entry = T+0 close
Oct 9, 2026
via day close
T+1d
-1.20%
call +1.20% · α +1.14%
$381.29
settled 16d ago
T+5d
-12.53%
call +12.53% · α +10.56%
$337.57
settled 12d ago
T+20d
Pending
in 9d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

Director Dwight A. Merriman filed a Form 144 notice to sell 1,000 shares of MongoDB common stock, with an estimated aggregate market value of approximately $376,835. The filing signals intent to sell, not a completed transaction, and follows a series of recent sales by Merriman and related entities totaling over $17 million in the past three months.

Key Facts

  • Director Dwight A. Merriman filed Form 144 on October 9, 2026, to sell 1,000 shares of MongoDB common stock.
  • Estimated aggregate market value of the proposed sale is $376,835.23.
  • Merriman and related entities (DAM 2012 Trust LLC) have sold a total of 45,000 shares in 6 transactions since July 2026, with aggregate proceeds exceeding $17 million.
  • The most recent prior sales occurred on October 8, 2026 (3,000 shares by DAM 2012 Trust LLC and 10,000 shares by Merriman directly).
  • The shares proposed for sale were acquired on October 18, 2017, as Founders Shares from the issuer.
  • MongoDB's outstanding shares are approximately 80.6 million.

Financial Impact

Proposed sale of 1,000 shares worth ~$377K; cumulative insider sales by Merriman entities exceed $17M over 3 months.

insider sellingdilution

Risk Factors

  • Continued insider selling by a director/co-founder may signal lack of confidence in near-term prospects.
  • The proposed sale is small relative to total shares outstanding (~0.001%), limiting direct market impact.

Investment Themes

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
144 Filing (Primary)0001957799-26-000182
Document: 0001957799-26-000182-index.html0001957799-26-000182
Document: 0001957799-26-000182.txt0001957799-26-000182
35 reports for MDB
Performance horizon
100% Hit rate @ T+5 3 of 3 directional calls Went positive at some point 3 of 3 best @ T+5▲ +12.53%Oct 8, 2026
Filters
Rows
Reports for MDB — sortable, filterable
TypeNow
Oct 27, 2026
today
Institutional Cluster
MIXED ★ 4/10
$391.00awaiting T+5—$389.84 (−0.30%)
Oct 23, 2026
4d ago
Institutional Cluster
MIXED ★ 3/10
$371.09awaiting T+5—$389.84 (+5.05%)
Oct 15, 2026
12d ago
Insider Cluster
NEUTRAL ★ 3/10
$337.57 $371.09▲ +9.93%▲ +10.36%$389.84 (+15.48%)
Oct 15, 2026
12d ago
8-K
NEUTRAL ★ 3/10
$366.49 $362.24▼ −1.16%▼ −0.15%$389.84 (+6.37%)
Oct 13, 2026
14d ago
144
NEUTRAL ★ 2/10
$356.29 $390.75▲ +9.67%▲ +9.22%$389.84 (+9.42%)
Oct 9, 2026
18d ago
144
BEARISH ★ 5/10
$385.93 $337.57▲ +12.53%▲ +10.56%$389.84 (−1.01%)
Oct 8, 2026
19d ago
144
BEARISH ★ 4/10
$385.93 $337.57▲ +12.53%▲ +10.56%$389.84 (−1.01%)
Oct 6, 2026
21d ago
144
NEUTRAL ★ 2/10
$363.03 $356.29▼ −1.86%▼ −0.88%$389.84 (+7.39%)
Sep 28, 2026
29d ago
8-K
MIXED ★ 6/10
$334.68 $359.23▲ +7.34%▲ +6.13%$389.84 (+16.48%)
Sep 1, 2026
8w ago
8-K
BULLISH ★ 7/10
$373.58 $373.87▲ +0.08%▲ +1.04%$389.84 (+4.35%)
Showing 10 of 35

US Market Status

Market Closed — Opens Thu (10h 31m)

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Report published Oct 9, 2026