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CONSTELLATION PHARMACEUTICALS INC Insider Trading Activity
Every SEC Form 4 insider transaction reported for CONSTELLATION PHARMACEUTICALS INC (CNST), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are CNST insiders buying or selling?
CONSTELLATION PHARMACEUTICALS INC insiders reported no open-market purchases or sales in the last 12 months. Since July 2018, Trabud has recorded 57 Form 4 filings for CNST: 15 buys ($121.4M) and 42 sells ($22.5M).
Source: SEC EDGAR Form 4
Key Statistics (July 2018 – Feb 23, 2021)
Total Form 4 filings
57
SEC EDGAR
Insider filers
17
Insider buys (15)
$121.4M
Insider sells (42)
$22.5M
Insider sentiment
Net buyingNet insider flow of $98.9M in net buying since July 2018.
Recent CNST insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Feb 23, 2021 | Emma Reeve | Chief Financial Officer | Sale | 10.3K | $37.64 | $386.6K | SEC ↗ |
| Feb 19, 2021 | COLUMN GROUP L P | 10% Owner | Sale | 10.0K | $36.95 | $369.5K | SEC ↗ |
| Feb 19, 2021 | Tim Kutzkey | 10% Owner | Sale | 10.0K | $36.95 | $369.5K | SEC ↗ |
| Feb 19, 2021 | Emma Reeve | Chief Financial Officer | Sale | 1.5K | $37.58 | $56.7K | SEC ↗ |
| Jan 20, 2021 | Karen Valentine | Officer | Sale | 17.2K | $33.97 | $584.5K | SEC ↗ |
| Dec 28, 2020 | Mark A Goldsmith | Director, 10% Owner | Sale | 4.0K | $35.02 | $140.8K | SEC ↗ |
| Dec 22, 2020 | Emma Reeve | Chief Financial Officer | Sale | 5.7K | $35.11 | $200.8K | SEC ↗ |
| Jun 10, 2020 | Emma Reeve | Chief Financial Officer | Sale | 589 | $37.55 | $22.1K | SEC ↗ |
| May 13, 2020 | James E Audia | Director | Sale | 6.1K | $50.10 | $305.6K | SEC ↗ |
| May 13, 2020 | Adrian Senderowicz | Chief Medical Officer | Sale | 9.4K | $50.18 | $469.5K | SEC ↗ |
| May 13, 2020 | Mark A Goldsmith | Director, 10% Owner | Sale | 4.3K | $50.05 | $216.5K | SEC ↗ |
| May 13, 2020 | Jigar Raythatha | Director | Sale | 9.2K | $50.17 | $463.3K | SEC ↗ |
| May 13, 2020 | Emma Reeve | Chief Financial Officer | Sale | 28.8K | $49.53 | $1.4M | SEC ↗ |
| May 7, 2020 | Patrick Trojer | Chief Scientific Officer | Sale | 10.0K | $45.16 | $451.6K | SEC ↗ |
| May 7, 2020 | Karen Valentine | Officer | Sale | 17.3K | $40.08 | $693.7K | SEC ↗ |
| May 7, 2020 | James E Audia | Director | Sale | 7.5K | $45.15 | $338.6K | SEC ↗ |
| May 7, 2020 | Mark A Goldsmith | Director, 10% Owner | Sale | 14.6K | $43.97 | $642.4K | SEC ↗ |
| Apr 30, 2020 | Mark A Goldsmith | Director, 10% Owner | Sale | 400 | $40.12 | $16.0K | SEC ↗ |
| Apr 30, 2020 | Karen Valentine | Officer | Sale | 400 | $40.13 | $16.1K | SEC ↗ |
| Apr 23, 2020 | Karen Valentine | Officer | Sale | 789 | $33.65 | $26.6K | SEC ↗ |
| Apr 20, 2020 | Emma Reeve | Chief Financial Officer | Sale | 760 | $35.29 | $26.8K | SEC ↗ |
| Apr 20, 2020 | Karen Valentine | Officer | Sale | 5.3K | $34.27 | $181.6K | SEC ↗ |
| Apr 16, 2020 | Emma Reeve | Chief Financial Officer | Sale | 1.2K | $35.20 | $43.1K | SEC ↗ |
| Apr 13, 2020 | Karen Valentine | Officer | Sale | 635 | $35.02 | $22.2K | SEC ↗ |
| Apr 13, 2020 | Emma Reeve | Chief Financial Officer | Sale | 700 | $35.02 | $24.5K | SEC ↗ |
Showing the 25 most recent of 57 Form 4 filings for CONSTELLATION PHARMACEUTICALS INC.
Most active CNST insiders
- Emma Reeve12 filings
- Karen Valentine10 filings
- COLUMN GROUP L P5 filings
- James E Audia5 filings
- Mark A Goldsmith4 filings
Ask anything about CNST insider activity
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Open the AI agentCNST insider trading FAQ
Are CONSTELLATION PHARMACEUTICALS INC insiders buying or selling?
CONSTELLATION PHARMACEUTICALS INC insiders reported no open-market purchases or sales in the last 12 months. Since July 2018, Trabud has recorded 57 Form 4 filings for CNST: 15 buys ($121.4M) and 42 sells ($22.5M). Over the full record that is net buying of $98.9M.
How many insiders trade CNST stock?
17 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for CONSTELLATION PHARMACEUTICALS INC. The most recent filing was accepted on Feb 23, 2021.
Where does Trabud get CNST insider trading data?
All CNST insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.