The filing is routine and small in scale. Monitor for any subsequent large insider sales or changes in Flagship's ownership, but no immediate trading action warranted.
Price Chart
Executive Summary
Flagship Pioneering, LLC, a major early investor in Moderna, filed a Form 144 to sell 9,263 shares of common stock with an aggregate market value of $433,880. The sale is tied to a cashless exercise of options expiring August 10, 2026. The relatively small share count (0.05% of market cap) suggests routine portfolio management rather than a negative signal.
Key Facts
- Selling entity: Flagship Pioneering, LLC (early-stage venture capital investor and affiliate).
- Proposed sale: 9,263 shares of Moderna common stock.
- Aggregate market value: $433,879.85.
- Shares sourced from cashless exercise of options granted on 08/10/2016, set to expire 08/10/2026.
- Sale represents approximately 0.05% of Moderna's $19.1B market cap.
Financial Impact
Sale of $434k worth of stock, immaterial relative to $19.1B market cap.
Risk Factors
- Insider selling could signal reduced conviction if it becomes a pattern.
- Option expiration may prompt additional sales before August 2026.
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001959173-26-003865 |
| Document: 0001959173-26-003865-index.html | 0001959173-26-003865 |
| Document: 0001959173-26-003865.txt | 0001959173-26-003865 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Sep 30, 2026 2d ago | ANALYST-DOWNGRADE | — | awaiting T+5 | — | — |
Sep 3, 2026 29d ago | ANALYST-DOWNGRADE | $148.87 $143.97 | ▲ +3.29% | ▲ +2.14% | $190.01 (−27.63%) |
Aug 31, 2026 4w ago | Court Ruling | $140.19 $140.33 | ▼ −0.10% | ▼ −0.24% | $190.01 (−35.54%) |
Aug 25, 2026 5w ago | ANALYST-UPGRADE | $158.83 $154.27 | ▼ −2.87% | ▼ −2.33% | $190.01 (+19.63%) |
Aug 19, 2026 6w ago | ANALYST-UPGRADE | $174.38 $149.66 | ▼ −14.18% | ▼ −13.79% | $190.01 (+8.96%) |
Aug 5, 2026 8w ago | 144 | $56.26 $63.67 | ▼ −13.18% | ▼ −12.83% | $190.01 (−237.77%) |
Jul 31, 2026 9w ago | 8-K | $54.82 $59.17 | ▲ +7.94% | ▲ +4.42% | $190.01 (+246.61%) |
Jul 10, 2026 11w ago | 3 | $67.01 $61.82 | ▼ −7.75% | ▼ −6.96% | $190.01 (+183.55%) |
Jul 8, 2026 12w ago | 8-K | $73.80 $67.44 | ▼ −8.62% | ▼ −9.48% | $190.01 (+157.47%) |
Jun 18, 2026 15w ago | 144 | $63.96 $59.75 | ▼ −6.58% | ▼ −4.92% | $190.01 (+197.08%) |
US Market Status
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