ANAB ANAPTYSBIO, INC

NEUTRAL Impact: 3/10 144
Horizon days Filed May 15, 2026 Processed 25d 7h ago SEC 0001950047-26-004587
Form 144 — notice of proposed sale of securities
Latest settled — T+5d
ANAB ▼ -1.65% at T+5d
NEUTRAL call ✗ call lost -1.65% · α vs SPY -3.27% · entry $58.74 → $57.77
Next anchor: T+20d in 5d
Currently $51.63 · -12.10% from $58.74 entry
Entry anchored
May 15, 03:59 PM ET
via Databento tick
T+1d
+1.75%
call +1.75% · α +2.40%
$59.77
settled 23d ago
T+5d
-1.65%
call -1.65% · α -3.27%
$57.77
settled 19d ago
T+20d
call — · α —
in 5d
T+60d
call — · α —
in 2mo

Price Chart

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Executive Summary

Dennis Mulroy, an officer of AnaptysBio, filed a Form 144 on May 15, 2026, indicating intent to sell 10,000 shares of common stock with an approximate market value of $632,543. The shares were acquired via stock option exercise on the same day. This is a routine insider sale following option exercise, not a material signal of deteriorating fundamentals.

Actionable Insight

This is a routine insider sale following option exercise, typical for officer compensation. The small size relative to market cap (~$1.8B) suggests no material signal. Monitor for any cluster of insider sales or Form 4 filings in coming weeks, but no immediate action warranted.

Key Facts

  • Insider Dennis Mulroy (Officer) filed Form 144 to sell 10,000 shares
  • Estimated sale value: ~$632,543 based on filing date market price
  • Shares acquired via stock option exercise on May 15, 2026
  • Sale represents a modest portion of total holdings (relative to 29,100,902 shares outstanding)
  • No other insider sales or unusual trading patterns noted in last 30 days

Financial Impact

Sale of 10,000 shares valued at ~$632,543, representing ~0.03% of shares outstanding

dilution

Risk Factors

  • Insider may not execute the sale (Form 144 is intent, not obligation)
  • If followed by additional insider sales, could indicate broader insider sentiment shift

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
89% bullish (18 analysts)

Documents Analyzed

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

DocumentAccession Number
144 Filing (Primary)0001950047-26-004587
Document: 0001950047-26-004587-index.html0001950047-26-004587
Document: 0001950047-26-004587.txt0001950047-26-004587
15 reports for ANAB
Performance horizon
88% Hit rate 7 of 8 directional calls best @ T+60▲ +41.26%Mar 3, 2026
Filters
Rows
Reports for ANAB — sortable, filterable
Type Now
Jun 8, 2026
1d ago
144
BEARISH ★ 5/10
$51.38 awaiting T+1awaiting T+1$51.63 (−0.50%)
Jun 5, 2026
4d ago
144
BEARISH ★ 5/10
$50.58 awaiting T+1awaiting T+1$51.63 (−2.08%)
Jun 5, 2026
4d ago
144
BEARISH ★ 5/10
$51.33 awaiting T+1awaiting T+1$51.63 (−0.58%)
Jun 3, 2026
6d ago
144
BEARISH ★ 5/10
$51.67 $50.37▲ +2.52%▼ −0.08%$51.63 (+0.08%)
Jun 1, 2026
8d ago
144
BEARISH ★ 5/10
$51.26 $51.24▲ +0.04%▼ −0.68%$51.63 (−0.72%)
May 29, 2026
11d ago
8-K
NEUTRAL ★ 2/10
$53.14 $51.26▼ −3.54%▼ −3.69%$51.63 (−2.84%)
May 28, 2026
12d ago
144
NEUTRAL ★ 3/10
$55.67 $53.14▼ −4.54%▼ −4.80%$51.63 (−7.26%)
May 27, 2026
13d ago
144
BEARISH ★ 6/10
$57.02 $55.67▲ +2.37%▲ +2.61%$51.63 (+9.45%)
May 22, 2026
18d ago
144
BEARISH ★ 5/10
$57.77 $57.69▲ +0.14%▲ +0.15%$51.63 (+10.63%)
May 15, 2026
25d ago
144
NEUTRAL ★ 3/10
$58.74 $59.77▲ +1.75%▲ +2.40%$51.63 (−12.10%)
Showing 10 of 15

US Market Status

Market Closed — Opens Thu (9h 35m)

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