144 ·Filed Jun 17, 2026

ANAB

ANAPTYSBIO, INC
BEARISH
Impact 5/10
Horizondays Processed3mo ago SEC0001950047-26-006265
Form 144 — notice of proposed sale of securities
Actionable Insight ▼ Bearish

The persistent daily selling by a key officer suggests either personal liquidity needs or a cautious view on the stock. Monitor for any material corporate updates (e.g., pipeline setbacks, guidance changes) that could explain the insider's behavior. The consistent supply may pressure near-term price action despite the bullish analyst consensus.

DirectionBearish
Confidencemedium
Horizondays
Final — all horizons settled through T+60d
ANAB ▼ -5.91% at T+60d
SHORT call ✓ call won +5.91% · α vs SPY +7.81% · entry $57.51 → $54.11
Entry anchored
Jun 17, 03:59 PM ET
via exchange tick
T+1d
+4.31%
call -4.31% · α -4.63%
$59.99
settled 4mo ago
T+5d
+3.77%
call -3.77% · α -5.44%
$59.68
settled 3mo ago
T+20d
-5.84%
call +5.84% · α +6.38%
$54.15
settled 3mo ago
T+60d
-5.91%
call +5.91% · α +7.81%
$54.11
settled 18d ago

Price Chart

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Executive Summary

Officer Dennis Mulroy filed a Form 144 to sell 850 shares (~$51k), but the filing also discloses a massive 3-month selling program totaling over $21 million in prior sales, with nearly daily transactions of ~$500k–$1M since mid-May. The sustained, high-volume insider selling by a key officer raises concerns about management’s outlook, especially given the company's strong analyst consensus.

Key Facts

  • Officer Dennis Mulroy filed Form 144 proposing to sell 850 shares of common stock (approx. $51,000).
  • The filing reveals prior sales of ~$21.1 million in common stock over the past three months (May 15–June 17, 2026), with sales on nearly every trading day.
  • Shares to be sold were acquired via stock option exercise.
  • At current market cap of $1.7B, total disclosed insider selling represents ~1.2% of market cap, a notable reduction by a corporate insider.

Financial Impact

Officer has sold $21.1M in stock over 3 months; the additional proposed sale of ~$51k is minimal but continues the pattern.

insider holdingssupply dynamics

Risk Factors

  • Continued insider selling could signal undisclosed negative developments or peak valuation concerns.
  • Daily selling volume may overhang the stock, limiting upside momentum.
  • If the insider is reducing holdings ahead of a catalyst (e.g., trial readout, financing), the selling pattern increases downside risk.

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
94% bullish (17 analysts)

Investment Themes

Biotech & Drug Discovery

Documents Analyzed

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

DocumentAccession Number
144 Filing (Primary)0001950047-26-006265
Document: 0001950047-26-006265-index.html0001950047-26-006265
Document: 0001950047-26-006265.txt0001950047-26-006265
24 reports for ANAB
Performance horizon
65% Hit rate 11 of 17 directional calls best @ T+60▲ +41.26%Mar 3, 2026
Filters
Rows
Reports for ANAB — sortable, filterable
TypeNow
Aug 12, 2026
7w ago
Institutional Cluster
BULLISH ★ 5/10
$56.02 $53.87▼ −3.84%▼ −2.09%$48.53 (−13.37%)
Jun 29, 2026
13w ago
144
BEARISH ★ 6/10
$67.50 $53.61▲ +20.58%▲ +19.55%$48.53 (+28.10%)
Jun 29, 2026
13w ago
DEFA14A
NEUTRAL ★ 2/10
$67.50 $53.61▼ −20.58%▼ −19.55%$48.53 (−28.10%)
Jun 26, 2026
13w ago
144
BEARISH ★ 6/10
$65.97 $54.15▲ +17.92%▲ +17.64%$48.53 (+26.44%)
Jun 22, 2026
14w ago
8-K
NEUTRAL ★ 2/10
$59.43 $50.29▼ −15.38%▼ −16.54%$48.53 (−18.34%)
Jun 17, 2026
15w ago
144
BEARISH ★ 5/10
$57.51 $54.15▲ +5.84%▲ +6.38%$48.53 (+15.61%)
Jun 15, 2026
15w ago
144
BEARISH ★ 6/10
$57.61 $62.51▼ −8.51%▼ −8.31%$48.53 (+15.76%)
Jun 11, 2026
16w ago
144
BEARISH ★ 6/10
$56.07 $66.39▼ −18.41%▼ −16.63%$48.53 (+13.45%)
Jun 10, 2026
16w ago
144
BEARISH ★ 5/10
$54.24 $66.59▼ −22.77%▼ −20.88%$48.53 (+10.53%)
Jun 8, 2026
16w ago
144
BEARISH ★ 5/10
$51.63 $67.33▼ −30.40%▼ −28.95%$48.53 (+6.00%)
Showing 10 of 24

US Market Status

Market Closed — Opens Mon (65h 4m)

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