HTGC
ADTN
ANET
HLIT

Nikos Theodosopoulos

Known title: DirectorCIK: 0001605860

Nikos Theodosopoulos's purchase track record

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

Purchases measured
6
of 6 since August 6, 2024
Stock higher 6 months later
100%
3 months: 100%
Median 6-month return
+21.1%
3 months: +11.9%
Beat the S&P 500
67%
median +4.1% vs. index
PurchaseStockAmount3 months6 months
3/26/2026HTGC$105K+11.7%+23.1%
2/27/2026HTGC$37K+12.0%+26.8%
2/17/2026HTGC$98K+2.8%+11.8%
11/26/2025ADTN$100K+34.0%+143.1%
5/8/2025HTGC$105K+12.8%+6.4%
8/6/2024HTGC$29K+6.5%+19.1%

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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October 11, 2026

Hercules Capital Closes $400M Notes Offering. Hercules Capital completed a $400 million institutional notes offering with a 6.700% coupon due in 2029. This capital raise supports the company's lending activities while the stock trades near its 52-week low. The move provides liquidity for the firm as it continues to operate in the current market environment.

this person other insiders at HTGC

AI Market Commentary

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October 16, 2026

No recent news for ADTRAN in the past week. ADTRAN had no new press releases or events in the last seven days. The stock remains near its 52‑week low at $6.73–$19.98 and trades with an RSI of 33.3. Analysts keep a target range of $11.00–$21.00, with a current average target of $14.67.

this person other insiders at ADTN

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

Arista Networks (ANET) sees CEO stock sale amid AI focus. Chief executive sold about $34 million of ANET shares, reducing her personal holding. Analysts note the company's growing role in AI‑focused data‑center networking as enterprise AI spending rises. Market commentary also points to interest‑rate concerns that can influence high‑growth tech valuations, reflected in ANET's trailing P/E of 63.8. The stock trades near its 52‑week high, with an average analyst target of $244.

this person other insiders at ANET

AI Market Commentary

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

September 25, 2026

Harmonic partners with Lightcurve for multi‑gigabit broadband to MDUs. Harmonic Inc. announced a partnership with Lightcurve to provide multi‑gigabit broadband services to multi‑family dwellings using coaxial cable. The collaboration uses Harmonic’s cloud‑based operating system to deliver high‑speed service over existing coax infrastructure. An analyst and investor day slideshow was also released, providing additional insight into the company’s strategy.

this person other insiders at HLIT

Transaction History

HTGC▲ Buy$105K
HTGC▲ Buy$37K
HTGC▲ Buy$98K
ADTN▲ Buy$0
ADTN▲ Buy$100K
HTGC▲ Buy$105K
ADTN▲ Buy$0
HTGC▲ Buy$29K
HTGC▲ Buy$60K
ADTN▲ Buy—
ADTN▼ Sell$3
ADTN▲ Buy$0
HTGC▲ Buy$444
HTGC▲ Buy$15K
ADTN▲ Buy—
ADTN▼ Sell—
ANET▲ Buy$0
ANET▲ Buy$0
ADTN▲ Buy$0
ADTN▲ Buy$0
ANET▲ Buy$0
ADTN▲ Buy$172
ANET▲ Buy$0
HLIT▲ Buy$0
ADTN▲ Buy$0
ANET▲ Buy$0
ANET▲ Buy$0
HLIT▲ Buy$0
ANET▲ Buy$0
HLIT▲ Buy$227K
HLIT▼ Sell$318K
ANET▲ Buy$0

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