3 ·Filed Apr 17, 2026

KLRA

Kailera Therapeutics, Inc.
NEUTRAL
Impact 3/10
Horizonmonths Processed5mo ago SEC0001193125-26-159757
Form 3 — initial insider ownership statement
Actionable Insight • Neutral

Traders should note concentrated pre-IPO ownership by a Bain Capital-affiliated fund, which may influence future trading patterns post-IPO. Monitor for Form 4 activity or S-1 filings indicating an upcoming public offering.

DirectionNeutral
Confidencehigh
Horizonmonths
Final — all horizons settled through T+60d ⚠ clustered
KLRA ▼ -26.88% at T+60d
NEUTRAL call ✗ call lost -26.88% · α vs SPY -33.03% · entry $26.00 → $19.01
Entry anchored
Apr 16, 2026
via day open
T+1d
-5.35%
call -5.35% · α -5.15%
$24.61
settled 6mo ago
T+5d
-13.58%
call -13.58% · α -14.13%
$22.47
settled 5mo ago
T+20d
-17.31%
call -17.31% · α -22.68%
$21.50
settled 5mo ago
T+60d
-26.88%
call -26.88% · α -33.03%
$19.01
settled 3mo ago

Price Chart

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Executive Summary

Andrew T. Kaplan, a Partner at Bain Capital Investors, LLC, filed a Form 3 disclosing indirect beneficial ownership of 17,857,143 shares of Kailera Therapeutics common stock via his affiliation with BCPE Perseus Investor, LP, which holds Series B Preferred Stock convertible into common stock. Kaplan disclaims beneficial ownership except to the extent of his pecuniary interest.

Key Facts

  • Form 3 filing by Andrew T. Kaplan, Partner at Bain Capital Investors, LLC
  • Disclosure relates to indirect beneficial ownership of 17,857,143 shares of common stock
  • Shares are held through BCPE Perseus Investor, LP, which owns Series B Preferred Stock
  • Series B Preferred Stock is convertible into common stock on a 1:1 basis
  • Automatic conversion upon Kailera's initial public offering
  • Kaplan disclaims beneficial ownership except to the extent of his pecuniary interest

Financial Impact

Indirect holding of 17,857,143 common equivalent shares; no immediate dilution or cash flow impact disclosed

ownership structurepotential future dilutioninsider ownership

Risk Factors

  • Potential for significant future share issuance upon IPO conversion, leading to dilution
  • Lack of liquidity or public market data for valuation purposes

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

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

DocumentAccession Number
3 Filing (Primary)0001193125-26-159757
Document: 0001193125-26-159757-index.html0001193125-26-159757
Document: 0001193125-26-159757.txt0001193125-26-159757
29 reports for KLRA
Performance horizon
83% Hit rate 5 of 6 directional calls best @ T+20▲ +18.27%Jun 5, 2026
Filters
Rows
Reports for KLRA — sortable, filterable
TypeNow
Sep 9, 2026
22d ago
3
NEUTRAL ★ 1/10
$14.91 $12.92▼ −13.35%▼ −12.85%$10.39 (−30.32%)
Aug 12, 2026
7w ago
8-K
NEUTRAL ★ 4/10
$17.97 $17.47▼ −2.78%▼ −0.82%$10.39 (−42.18%)
Jul 31, 2026
9w ago
Court Ruling
NEUTRAL ★ 1/10
$16.94 $18.66▲ +10.15%▲ +6.64%$10.39 (−38.67%)
Jul 24, 2026
10w ago
Court Ruling
NEUTRAL ★ 1/10
$17.69 $17.05▼ −3.62%▼ −3.99%$10.39 (−41.27%)
Jun 5, 2026
16w ago
Press Release
BULLISH ★ 7/10
$19.70 $19.67▼ −0.15%▼ −2.26%$10.39 (−47.26%)
May 26, 2026
18w ago
8-K
NEUTRAL ★ 5/10
$21.91 $22.38▲ +2.15%▲ +1.68%$10.39 (−52.58%)
May 26, 2026
18w ago
Press Release
NEUTRAL ★ 4/10
$21.91 $22.59▲ +3.10%▲ +1.90%$10.39 (−52.58%)
May 13, 2026
20w ago
Press Release
NEUTRAL ★ 4/10
$21.11 $19.62▼ −7.06%▼ −5.90%$10.39 (−50.78%)
Apr 20, 2026
23w ago
8-K
BULLISH ★ 8/10
$25.22 $23.82▼ −5.55%▼ −6.63%$10.39 (−58.80%)
Apr 20, 2026
23w ago
Insider Cluster
BULLISH ★ 9/10
$24.61 $23.51▼ −4.47%▼ −5.38%$10.39 (−57.78%)
Showing 10 of 29

US Market Status

Market Closed — Opens Mon (38h 37m)

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