SIGA
CADL
OPK

Gary J. Nabel

Known title: DirectorCIK: 0001867450

Gary J. Nabel's purchase track record

How the stock did after each of Gary J. Nabel's open-market purchases, measured from the purchase date. Several fills within a week count as one purchase.

Purchases measured
4
of 4 since May 12, 2022
Stock higher 6 months later
25%
3 months: 50%
Median 6-month return
-34.5%
3 months: -1.0%
Beat the S&P 500
25%
median -37.6% vs. index
PurchaseStockAmount3 months6 months
1/8/2024OPK$200K+40.0%+29.0%
5/5/2023OPK$841K+8.7%-26.2%
6/22/2022OPK$597K-23.7%-53.0%
5/12/2022OPK$217K-10.7%-42.9%

Computed by MarketWall from SEC Form 4 filings and daily closing prices (close on the purchase date to the close about 3 and 6 months later). Companies that have since delisted are not included. Past results, not investment advice.

Associated companies

AI Market Commentary

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Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.

October 12, 2026

SIGA Technologies Releases Q2 2026 Earnings Call Transcript. SIGA Technologies has released the full transcript of its Q2 2026 earnings call. The transcript provides details on the company's recent performance and outlook. Investors can review the call to understand the company's guidance and operational highlights. The release is a routine update but offers insight into the company's current status.

this person other insiders at SIGA

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September 7, 2026

Candel Therapeutics Issues Inducement Grants to New Employees. Candel Therapeutics disclosed standard inducement grants awarded to newly hired employees. Under Nasdaq rules, such grants require public disclosure when given as incentives to attract talent. This is routine corporate governance news with no material impact on the company's operations or financial position. The grants align with standard market practices for biotechnology firms building their teams.

this person other insiders at CADL

AI Market Commentary

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Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.

October 16, 2026

OPKO Health Shares Rise on $722M BioReference Asset Sale. OPKO Health announced it sold BioReference laboratory assets to Labcorp for $722 million, a key part of Labcorp’s up to $872 million acquisition. The transaction was reflected in a sharp increase in OPKO’s stock price. The deal highlights OPKO’s focus on divesting non‑core assets. The move follows Labcorp’s broader strategy to expand its laboratory services.

this person other insiders at OPK

Transaction History

SIGA▲ Buy—
SIGA▼ Sell$32K
CADL▲ Buy$25K
SIGA▲ Buy—
SIGA▼ Sell$36K
OPK▲ Buy$0
SIGA▲ Buy—
SIGA▼ Sell$58K
OPK▲ Buy$101K
OPK▲ Buy$459
OPK▲ Buy$99K
SIGA▲ Buy—
SIGA▼ Sell$27K
OPK▲ Buy$34K
OPK▲ Buy$6K
OPK▲ Buy$50K
OPK▲ Buy$50K
OPK▲ Buy$144K
OPK▲ Buy$36K
OPK▲ Buy$20K
OPK▲ Buy$52K
OPK▲ Buy$49K
OPK▲ Buy$100K
OPK▲ Buy$63K
OPK▲ Buy$100K
OPK▲ Buy$37K
OPK▲ Buy$100K
OPK▲ Buy$33K
OPK▲ Buy$163K
OPK▲ Buy$4K
OPK▲ Buy$77K
OPK▲ Buy$38K
OPK▲ Buy$84K
OPK▲ Buy$198K
SIGA▲ Buy—
SIGA▼ Sell$70K
OPK▲ Buy$199K
OPK▲ Buy$18K

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