Quick Takeaways
- CHIMERIX INC has 17 insiders with reported activity on this page.
- No net insider buy/sell flow is currently reported for the last year.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
Insider Transactions Reported by 17 Insiders of CHIMERIX INC
- Location
- Durham, NC
What Changed
- No meaningful buy/sell imbalance is currently visible in the one-year window.
- Activity will update as new Forms 3/4/5 are filed.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Source Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsInsider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 16 Apr 2025.
Buys
$0
Shares: 0
Insiders: 0
Sells
$0
Shares: 0
Insiders: 0
Net
$0
Shares: 0
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
CHIMERIX INC executives and other stock owners filed with the SEC include:
Top shareholders of CHIMERIX INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| GLAZER CAPITAL, LLC |
13D/G
|
— |
4.9%
|
4,614,238
|
$39,405,593 | $0 | 10 Apr 2025 | |
| CANTEX PHARMACEUTICALS, INC. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
3,500,000
|
$3,343,550 | — | 14 Sep 2021 | |
| Andriole Michael T. |
3/4/5
|
PRESIDENT AND CEO, Director |
—
class O/S missing
|
900,000
|
— | — | 21 Apr 2025 | |
| Thomas J. Riga |
3/4/5
|
COO and CCO |
—
class O/S missing
|
325,000
|
— | — | 21 Apr 2025 | |
| Allen S. Melemed |
3/4/5
|
CHIEF MEDICAL OFFICER |
—
class O/S missing
|
275,000
|
— | — | 21 Apr 2025 | |
| Michael Albert Alrutz |
3/4/5
|
SVP AND GENERAL COUNSEL |
—
class O/S missing
|
250,000
|
— | — | 21 Apr 2025 | |
| Michelle LaSpaluto |
3/4/5
|
CHIEF FINANCIAL OFFICER |
—
class O/S missing
|
250,000
|
— | — | 21 Apr 2025 | |
| David Jakeman |
3/4/5
|
VP OF FINANCE AND ACCOUNTING |
—
class O/S missing
|
65,000
|
— | — | 21 Apr 2025 | |
| Catherine Gilliss |
3/4/5
|
Director |
—
class O/S missing
|
60,000
|
— | — | 09 Jun 2023 | |
| Patrick Machado |
3/4/5
|
Director |
—
class O/S missing
|
60,000
|
— | — | 09 Jun 2023 |
Recent Insider Transactions by Companies or Individuals for CHIMERIX INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Allen S. Melemed | Common Stock | Disposed to Issuer | -100% | -173,852 | 0 | 21 Apr 2025 | Direct | |||
| Allen S. Melemed | Employee Stock Option (Right to Buy) | Disposed to Issuer | -100% | -1,428,010 | 0 | 21 Apr 2025 | Direct | |||
| Michelle LaSpaluto | Common Stock | Disposed to Issuer | -100% | -181,541 | 0 | 21 Apr 2025 | Direct | |||
| Michelle LaSpaluto | Employee Stock Option (Right to Buy) | Disposed to Issuer | -100% | -834,328 | 0 | 21 Apr 2025 | Direct | |||
| Marc D. Kozin | Employee Stock Option (Right to Buy) | Disposed to Issuer | -100% | -160,000 | 0 | 21 Apr 2025 | Direct | |||
| David Jakeman | Common Stock | Disposed to Issuer | -100% | -156,209 | 0 | 21 Apr 2025 | Direct | |||
| David Jakeman | Employee Stock Option (Right to Buy) | Disposed to Issuer | -100% | -311,630 | 0 | 21 Apr 2025 | Direct | |||
| Martha J. Demski | Common Stock | Disposed to Issuer | -100% | -72,055 | 0 | 21 Apr 2025 | By the Martha J. Demski Trust u/a 10/01/94 | |||
| Martha J. Demski | Employee Stock Option (Right to Buy) | Disposed to Issuer | -100% | -321,000 | 0 | 21 Apr 2025 | Direct | |||
| Lisa Lynn Decker | Employee Stock Option (Right to Buy) | Disposed to Issuer | -100% | -160,000 | 0 | 21 Apr 2025 | Direct | |||
| Andriole Michael T. | Common Stock | Disposed to Issuer | -100% | -630,828 | 0 | 21 Apr 2025 | Direct | |||
| Andriole Michael T. | Employee Stock Option (Right to Buy) | Disposed to Issuer | -100% | -2,937,825 | 0 | 21 Apr 2025 | Direct | |||
| Michael Albert Alrutz | Common Stock | Disposed to Issuer | -100% | -216,689 | 0 | 21 Apr 2025 | Direct | |||
| Michael Albert Alrutz | Employee Stock Option (Right to Buy) | Disposed to Issuer | -100% | -1,594,550 | 0 | 21 Apr 2025 | Direct | |||
| Victoria Vakiener | Employee Stock Option (Right to Buy) | Disposed to Issuer | -100% | -265,000 | 0 | 21 Apr 2025 | Direct | |||
| Michael A. Sherman | Common Stock | Disposed to Issuer | -100% | -233,413 | 0 | 21 Apr 2025 | Direct | |||
| Michael A. Sherman | Common Stock | Disposed to Issuer | -100% | -102,995 | 0 | 21 Apr 2025 | By Sherman Investors LLC | |||
| Michael A. Sherman | Common Stock | Disposed to Issuer | -100% | -87,000 | 0 | 21 Apr 2025 | By Michael A Sherman Trust Dated June 29, 2007 | |||
| Michael A. Sherman | Employee Stock Option (Right to Buy) | Disposed to Issuer | -100% | -3,974,550 | 0 | 21 Apr 2025 | Direct | |||
| Thomas J. Riga | Common Stock | Disposed to Issuer | -100% | -60,828 | 0 | 21 Apr 2025 | Direct | |||
| Thomas J. Riga | Employee Stock Option (Right to Buy) | Disposed to Issuer | -100% | -1,125,000 | 0 | 21 Apr 2025 | Direct | |||
| Pratik S. Multani | Employee Stock Option (Right to Buy) | Disposed to Issuer | -100% | -300,000 | 0 | 21 Apr 2025 | Direct | |||
| Fred A. Middleton | Common Stock | Disposed to Issuer | -100% | -207,523 | 0 | 21 Apr 2025 | Direct | |||
| Fred A. Middleton | Common Stock | Disposed to Issuer | -100% | -3,307,954 | 0 | 21 Apr 2025 | See footnote | |||
| Fred A. Middleton | Common Stock | Disposed to Issuer | -100% | -60,000 | 0 | 21 Apr 2025 | Middleton Childrens 2015 Irrevocable Trust | |||
| Fred A. Middleton | Common Stock | Disposed to Issuer | -100% | -40,000 | 0 | 21 Apr 2025 | Fred A. Middleton Separate Property Trust | |||
| Fred A. Middleton | Employee Stock Option (Right to Buy) | Disposed to Issuer | -100% | -324,000 | 0 | 21 Apr 2025 | Direct | |||
| Robert J. Meyer | Common Stock | Disposed to Issuer | -100% | -35,150 | 0 | 21 Apr 2025 | Direct | |||
| Robert J. Meyer | Employee Stock Option (Right to Buy) | Disposed to Issuer | -100% | -324,000 | 0 | 21 Apr 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.