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SC 13D/A ·Filed Oct 19, 2026

DIBS

1stdibs.com, Inc.
BULLISH
Impact 5/10
Horizonweeks Processed7d 6h ago SEC0001104659-26-116935
Activist stake amendment (position change)
Actionable Insight ▲ Bullish

The Catsimatidis group continues to accumulate shares at a price near $4.07, well below the 52-week range implied by the 10-K market cap of ~$63.9M. The lack of new demands suggests a patient, value-oriented approach rather than an immediate push for a sale or board change. Monitor the next quarterly filing for any escalation in activist activity or strategic review.

DirectionBullish
Confidencehigh
Horizonweeks
Latest settled — T+1d
DIBS ▲ +0.23% at T+1d
LONG call ✓ call won +0.23% · α vs SPY -0.29% · entry $4.30 → $4.31
Next anchor: T+5d due 15h ago
Latest observation: T+3 +2.74% FF3 residual α
Entry = T+0 close
Oct 19, 2026
via day close
T+1d
+0.23%
call +0.23% · α -0.29%
$4.31
settled 7d ago
T+5d
Pending
due 15h ago
T+20d
Pending
in 20d
T+60d
Pending
in 3mo

Price Chart

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Executive Summary

The Catsimatidis group (Red Apple Group, United Acquisition, United Refining, John A. Catsimatidis Jr., and John A. Catsimatidis) filed Amendment No. 1 to their Schedule 13D, reporting an open-market purchase of 449,500 shares at $4.07 per share on October 15, 2026. This increases their total beneficial ownership to 2,635,385 shares, or approximately 7.8% of the outstanding common stock, up from a prior stake that was below 7.8%. The filing does not disclose any new demands or changes in purpose, indicating continued accumulation without escalation.

Key Financial Metrics

Stake
7.8%
Stake Value
$13.2M
Investor
Catsimatidis group (John A. Catsimatidis Jr., John A. Catsimatidis, Red Apple Group, United Acquisition, United Refining

Key Facts

  • The Catsimatidis group purchased 449,500 shares on October 15, 2026 at a weighted average price of $4.07 per share.
  • Total beneficial ownership increased to 2,635,385 shares, representing approximately 7.8% of outstanding shares.
  • The aggregate purchase price for all 2,635,385 shares is approximately $13,216,097.15, including brokerage commissions.
  • No new demands, strategic review requests, or changes in purpose were disclosed in this amendment.
  • The stake was calculated based on 33,615,293 shares outstanding as of July 31, 2026.

Financial Impact

The group spent approximately $1,829,465 on the 449,500-share purchase at $4.07/share, increasing its stake from a prior level (not disclosed) to 7.8%.

ownership percentagedilution

Risk Factors

  • The group's purpose remains unchanged from the original 13D, which may not include demands for a sale or operational changes.
  • The company's market cap is small (~$63.9M as of June 30, 2025, making it a small-cap with limited liquidity.
  • The purchase was made by United Refining, an operating company in the petroleum refining business, which may not have deep activist experience.

Investment Themes

Consumer & Retail

Documents Analyzed

This report is based on 4 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13D/A Filing (Primary)0001104659-26-116935
Document: 0001104659-26-116935-index-headers.html0001104659-26-116935
Document: 0001104659-26-116935-index.html0001104659-26-116935
Document: 0001104659-26-116935.txt0001104659-26-116935
6 reports for DIBS
Performance horizon
Filters
Rows
Reports for DIBS — sortable, filterable
TypeNow
Oct 19, 2026
7d ago
SC 13D/A
BULLISH ★ 5/10
$4.30 $4.31▲ +0.23%▼ −0.29%$4.60 (+6.98%)
Sep 2, 2026
7w ago
8-K
NEUTRAL ★ 3/10
$4.60 $4.85▲ +5.43%▲ +4.39%$4.60 (−0.00%)
Aug 15, 2026
10w ago
Institutional Cluster
NEUTRAL ★ 3/10
$4.95 $4.99▲ +0.81%▲ +1.48%$4.60 (−7.07%)
May 12, 2026
23w ago
8-K
NEUTRAL ★ 3/10
$4.46 $4.55▲ +2.02%▲ +1.44%$4.60 (+3.14%)
Mar 27, 2026
30w ago
DEFA14A
NEUTRAL ★ 2/10
$5.37 $5.50▲ +2.42%▼ −0.47%$4.60 (−14.34%)
Feb 27, 2026
34w ago
8-K
MIXED ★ 6/10
$4.81 $5.33▲ +10.81%▲ +10.76%$4.60 (−4.37%)
Showing 6 of 6

US Market Status

Market Closed — Opens Wed (10h 13m)

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Report published Oct 19, 2026