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Timothy A Springer bought $8.6M of TECX

director, owner at AVROBIO, Inc.. 500,000 shares at an average of $17.10, traded Apr 7, 2025, filed Apr 9, 2025.

Conviction score
61
Value
$8.6M
500,000 shares
Holdings after
1,382,723
+12% from before
From 52-week low
0%
low $15.53, close $15.53
From 52-week high
-72%
high $54.84, as of Apr 7, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $8.6M at market
    +25
  • Relative to holdings
    Holdings up 12%
    +3
  • Price context
    0% above the 52-week low; 72% below the 52-week high
    +18
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (2 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 +17.3%, 3m +28.0%, 6m -8.8%.

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.

TECXOct 12, 2026 · close 22.35
Since filing Apr 9, 2025: +32.7%SPY +44.2% · excess -11.5%

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 0001415889-25-010499, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Apr 7, 2025POpen-market purchase
Common Stock
+87,500$17.10$1.5M4,313,558Apr 9, 2025
Apr 7, 2025POpen-market purchase
Common Stockindirect: By LLC
+412,500$17.10$7.1M1,382,723Apr 9, 2025

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
0Weak
TECXsell10b5-1
AVROBIO, Inc.
Peter McNamara
Chief Scientific Officer
$12k
536 shares
-1%
0Weak
TECXsell10b5-1
AVROBIO, Inc.
Peter McNamara
Chief Scientific Officer
$1,570
43 shares
-0%
0Weak
TECXsell10b5-1
AVROBIO, Inc.
Peter McNamara
Chief Scientific Officer
$1,505
43 shares
-0%
0Weak
TECXsell10b5-1
AVROBIO, Inc.
Peter McNamara
Chief Scientific Officer
$6,020
172 shares
-0%
0Weak
TECXsell10b5-1
AVROBIO, Inc.
Marcella K. Ruddy
Chief Medical Officer
$32k
1,065 shares
-2%
0Weak
TECXsell10b5-1
AVROBIO, Inc.
Marcella K. Ruddy
Chief Medical Officer
$31k
1,000 shares
-1%
5Weak
TECXsell 210b5-1
AVROBIO, Inc.
Peter McNamara
Chief Scientific Officer
$189k
6,262 shares
-10%
22Weak
TECXsell 210b5-1
AVROBIO, Inc.
Marcella K. Ruddy
Chief Medical Officer
$300k
10,000 shares
-13%
12Weak
TECXsell 210b5-1
AVROBIO, Inc.
Peter McNamara
Chief Scientific Officer
$78k
3,299 shares
-8%
48Moderate
TECXbuy 2
AVROBIO, Inc.
Alise Reicin
Chief Executive Officer
$53k
2,500 shares
+2%

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.

Timothy A Springer bought $8.6M of TECX | InsiderTell