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buyWeak cluster of 2

William P. Quinn bought $2,469 of BOLT

President, CEO and CFO at Bolt Biotherapeutics, Inc.. 637 shares at an average of $3.88, traded Jun 5, 2026, filed Sep 21, 2026.

Conviction score
39
Value
$2,469
637 shares
Holdings after
2,950
+28% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $2k at market
    0
  • Relative to holdings
    Holdings up 28%
    +6
  • Price context
    No price history yet
    0
  • Cluster
    2 insiders buying within 14 days
    +8
  • 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.

BOLTOct 9, 2026 · close 4.11
Since filing Sep 21, 2026: +14.5%SPY +0.7% · excess +13.8%

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 0001193125-26-396890, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jun 5, 2026POpen-market purchase
Common Stock
+637$3.88$2,4692,95022 d ago
Sep 16, 2026SOpen-market sale
Common Stock
-1,889$3.77$7,12941,06122 d ago
Sep 17, 2026SOpen-market sale
Common Stock
-6,545$3.32$22k34,51622 d ago
Sep 18, 2026SOpen-market sale
Common Stock
-9,132$3.24$30k25,38422 d ago

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
57Moderate
BOLTsell 3
Bolt Biotherapeutics, Inc.
William P. Quinn
President, CEO and CFO
$58k
17,566 shares
-41%
29Weak
BOLTbuy 2
Bolt Biotherapeutics, Inc.
Sarah Nemec
Senior VP, Finance and PAO
$1,973
509 shares
+36%
45Moderate
BOLTsell 3
Bolt Biotherapeutics, Inc.
Sarah Nemec
Senior VP, Finance and PAO
$26k
7,842 shares
-31%
51Moderate
BOLTsell 3
Bolt Biotherapeutics, Inc.
Grant Yonehiro
Chief Operating Officer
$44k
13,176 shares
-43%
34Weak
BOLTbuy 2
Bolt Biotherapeutics, Inc.
Sarah Nemec
Senior VP, Finance and PAO
$576
125 shares
+10%
44Moderate
BOLTbuy 2
Bolt Biotherapeutics, Inc.
William P. Quinn
President, CEO and CFO
$576
125 shares
+6%
44Moderate
BOLTbuy 2
Bolt Biotherapeutics, Inc.
William P. Quinn
President, CEO and CFO
$687
125 shares
+6%
34Weak
BOLTbuy 2
Bolt Biotherapeutics, Inc.
Sarah Nemec
Senior VP, Finance and PAO
$687
125 shares
+15%
36Weak
BOLTbuy 2
Bolt Biotherapeutics, Inc.
William P. Quinn
President, CEO and CFO
$2,835
5,000 shares
+14%
29Weak
BOLTbuy 2
Bolt Biotherapeutics, Inc.
Sarah Nemec
Senior VP, Finance and PAO
$2,835
5,000 shares
+44%

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.

William P. Quinn bought $2,469 of BOLT | InsiderTell