The sustained insider selling by an officer over the past three weeks is a bearish signal, especially given the absence of any insider buying. Traders should monitor for any negative catalysts or upcoming news that might explain the selling pattern. The stock's recent volatility (historical T+20 alpha of -0.86%) suggests limited near-term upside.
Price Chart
Executive Summary
Dennis Mulroy, an officer of AnaptysBio, filed a Form 144 notice of intent to sell 21,987 shares of common stock, with an approximate market value of $1.12 million. The shares to be sold were acquired through restricted stock vesting and a stock option exercise. This filing follows a series of recent insider sales by Mulroy totaling over 183,000 shares since mid-May 2026, indicating a sustained pattern of monetization.
Key Facts
- Officer Dennis Mulroy filed Form 144 to sell 21,987 shares valued at ~$1.12 million.
- Shares originate from restricted stock grants (01/03/2025, 01/06/2025) and a stock option exercise (06/08/2026).
- Mulroy has sold over 183,000 shares in a series of trades from May 15 to June 5, 2026, totaling ~$9.6 million.
- The filing is an advance notice of intent to sell; the actual sale may or may not occur.
- No prior insider buying activity was reported in the last 30 days.
Financial Impact
Proposed sale of 21,987 shares at ~$1.12 million; cumulative recent insider sales by Mulroy exceed $9.6 million.
Risk Factors
- Insider selling may indicate lack of confidence in near-term prospects.
- Continued selling could pressure the stock price if the market interprets it as a negative signal.
- The filing is only an intent to sell; the actual sale may not materialize, reducing the signal's reliability.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-005794 |
| Document: 0001950047-26-005794-index.html | 0001950047-26-005794 |
| Document: 0001950047-26-005794.txt | 0001950047-26-005794 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 12, 2026 7w ago | Institutional Cluster | $56.02 $53.87 | ▼ −3.84% | ▼ −2.09% | $48.53 (−13.37%) |
Jun 29, 2026 13w ago | 144 | $67.50 $53.61 | ▲ +20.58% | ▲ +19.55% | $48.53 (+28.10%) |
Jun 29, 2026 13w ago | DEFA14A | $67.50 $53.61 | ▼ −20.58% | ▼ −19.55% | $48.53 (−28.10%) |
Jun 26, 2026 14w ago | 144 | $65.97 $54.15 | ▲ +17.92% | ▲ +17.64% | $48.53 (+26.44%) |
Jun 22, 2026 14w ago | 8-K | $59.43 $50.29 | ▼ −15.38% | ▼ −16.54% | $48.53 (−18.34%) |
Jun 17, 2026 15w ago | 144 | $57.51 $54.15 | ▲ +5.84% | ▲ +6.38% | $48.53 (+15.61%) |
Jun 15, 2026 15w ago | 144 | $57.61 $62.51 | ▼ −8.51% | ▼ −8.31% | $48.53 (+15.76%) |
Jun 11, 2026 16w ago | 144 | $56.07 $66.39 | ▼ −18.41% | ▼ −16.63% | $48.53 (+13.45%) |
Jun 10, 2026 16w ago | 144 | $54.24 $66.59 | ▼ −22.77% | ▼ −20.88% | $48.53 (+10.53%) |
Jun 8, 2026 16w ago | 144 | $51.63 $67.33 | ▼ −30.40% | ▼ −28.95% | $48.53 (+6.00%) |
US Market Status
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