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buyModerate cluster of 4

Pete O'Heeron bought $20k of FBLG

CHIEF EXECUTIVE OFFICER at FibroBiologics, Inc.. 51,500 shares at an average of $0.38, traded Mar 2, 2026, filed Mar 4, 2026.

Conviction score
43
Value
$20k
51,500 shares
Holdings after
5,958,147
+1% from before
From 52-week low
+87%
low $4.50, close $8.40
From 52-week high
-70%
high $27.60, as of Mar 2, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $20k at market
    0
  • Relative to holdings
    Under 1% of holdings (0.9%)
    -5
  • Price context
    70% below the 52-week high
    +8
  • Cluster
    4 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.

This signal so far: 1m -81.6%, 3m -85.8%, 6m -74.1%.

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.

FBLGOct 12, 2026 · close 1.00
Since filing Mar 4, 2026: -86.7%SPY +14.4% · excess -101.1%

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 0001493152-26-008903, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 2, 2026POpen-market purchase
Common Stock
+17,428$0.35$6,1525,924,075Mar 4, 2026
Mar 3, 2026POpen-market purchase
Common Stock
+18,200$0.41$7,3735,942,275Mar 4, 2026
Mar 4, 2026POpen-market purchase
Common Stock
+15,872$0.38$6,0065,958,147Mar 4, 2026

Related signals

Other insiders at FibroBiologics, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
48Moderate
FBLGbuy 4
FibroBiologics, Inc.
Hamid Khoja
Chief Scientific Officer
$11k
30,000 shares
+96%
58Moderate
FBLGbuy 4
FibroBiologics, Inc.
Jason Davis
Chief Financial Officer
$29k
70,000 shares
-
49Moderate
FBLGbuy 4
FibroBiologics, Inc.
Ruben A Garcia
General Counsel
$13k
40,000 shares
+29%
30Weak
FBLGbuy
FibroBiologics, Inc.
Ruben A Garcia
General Counsel
$48k
140,000 shares
-
25Weak
FBLGbuy
FibroBiologics, Inc.
Hamid Khoja
Chief Scientific Officer
$17k
20,000 shares
+178%
51Moderate
FBLGbuy 2
FibroBiologics, Inc.
Hamid Khoja
Chief Scientific Officer
$19k
10,000 shares
+800%
41Moderate
FBLGbuy 2
FibroBiologics, Inc.
Pete O'Heeron
Chief Executive Officer
$16k
8,500 shares
+0%

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.

Pete O'Heeron bought $20k of FBLG | InsiderTell