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buyModerate cluster of 3

Rebecca Byam bought $20k of HCWB

Chief Financial Officer at HCW Biologics Inc.. 14,235 shares at an average of $1.41, traded May 22, 2026, filed May 27, 2026.

Conviction score
51
Value
$20k
14,235 shares
Holdings after
57,245
+33% from before
From 52-week low
+978%
low $1.61, close $17.34
From 52-week high
-65%
high $50.22, as of May 22, 2026

Score components

  • Role
    CFO
    +22
  • Trade size
    $20k at market
    0
  • Relative to holdings
    Holdings up 33%
    +6
  • Price context
    65% below the 52-week high
    +8
  • Cluster
    3 insiders buying within 14 days
    +15
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

HCWBOct 12, 2026 · close 1.48
Since filing May 27, 2026: -87.3%SPY +4.2% · excess -91.5%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001493152-26-025474, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
May 22, 2026POpen-market purchase
Common Stock
+14,235$1.41$20k57,245May 27, 2026
May 22, 2026POpen-market purchase
Common Stock Purchase Warrantderivative
+14,235$0.00$018,466May 27, 2026

Related signals

Other insiders at HCW Biologics Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
48Moderate
HCWBbuy 3
HCW Biologics Inc.
Lee Flowers
SVP of Business Development
$20k
7,736 shares
+810%
49Moderate
HCWBbuy 3
HCW Biologics Inc.
Scott T Garrett
director
$20k
7,736 shares
+23%
66Notable
HCWBbuy 3
HCW Biologics Inc.
Hing C Wong
Chief Executive Officer
$60k
23,210 shares
+23%
61Notable
HCWBbuy 3
HCW Biologics Inc.
Scott T Garrett
director
$250k
177,936 shares
+698%
65Notable
HCWBbuy 3
HCW Biologics Inc.
Hing C Wong
Chief Executive Officer
$160k
113,879 shares
+23%
55Moderate
HCWBbuy 6
HCW Biologics Inc.
Scott T Garrett
director
$100k
13,423 shares
+111%
41Moderate
HCWBbuy 6
HCW Biologics Inc.
Gary M Winer
director
$9,998
1,342 shares
+49%
52Moderate
HCWBbuy 6
HCW Biologics Inc.
Hing C Wong
Chief Executive Officer
$60k
8,054 shares
+2%
55Moderate
HCWBbuy 6
HCW Biologics Inc.
Rebecca Byam
Chief Financial Officer
$220k
8,462 shares
+24%
41Moderate
HCWBbuy 6
HCW Biologics Inc.
Lee Flowers
SVP of Business Development
$25k
962 shares
+20%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Rebecca Byam bought $20k of HCWB | InsiderTell