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Millennium Management LLC bought $382k of FTH

owner at Sensei Biotherapeutics, Inc.. 12,180 shares at an average of $31.37, traded Mar 31, 2026, filed May 15, 2026.

Conviction score
31
Value
$382k
12,180 shares
Holdings after
147,731
+8% from before
From 52-week low
+445%
low $5.78, close $31.52
From 52-week high
-10%
high $35.07, as of Mar 31, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $382k at market
    +16
  • Relative to holdings
    Holdings up 8%
    +3
  • Price context
    Near the top of the 52-week range
    0
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    2 buys in 90 days
    +5
  • Track record
    Too few past buys to judge (0 with prices)
    0
  • Outside holder
    A 10% owner who is not an officer or director
    -5

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 -36.4%, 3m +58.3%, 6m -.

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.

FTHOct 9, 2026 · close 26.03
Since filing May 15, 2026: +27.4%SPY +5.8% · excess +21.6%

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 0001104659-26-062605, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Mar 31, 2026POpen-market purchase
Common Stockindirect: See footnote
+616$24.69$15k146,657May 15, 2026
Mar 31, 2026POpen-market purchase
Common Stockindirect: See footnote
+1,770$25.32$45k146,657May 15, 2026
Mar 31, 2026POpen-market purchase
Common Stockindirect: See footnote
+1,048$26.73$28k146,657May 15, 2026
Mar 31, 2026POpen-market purchase
Common Stockindirect: See footnote
+17$27.78$472146,657May 15, 2026
Mar 31, 2026POpen-market purchase
Common Stockindirect: See footnote
+186$30.48$5,668146,657May 15, 2026
Mar 31, 2026POpen-market purchase
Common Stockindirect: See footnote
+1,957$31.45$62k146,657May 15, 2026
Mar 31, 2026POpen-market purchase
Common Stockindirect: See footnote
+411$32.60$13k146,657May 15, 2026
Mar 31, 2026SOpen-market sale
Common Stockindirect: See footnote
-191$24.28$4,638146,657May 15, 2026
Mar 31, 2026SOpen-market sale
Common Stockindirect: See footnote
-1,251$25.17$31k146,657May 15, 2026
Mar 31, 2026SOpen-market sale
Common Stockindirect: See footnote
-57$27.11$1,546146,657May 15, 2026
Mar 31, 2026SOpen-market sale
Common Stockindirect: See footnote
-5$28.41$142146,657May 15, 2026
Mar 31, 2026SOpen-market sale
Common Stockindirect: See footnote
-87$31.52$2,742146,657May 15, 2026
Apr 1, 2026POpen-market purchase
Common Stockindirect: See footnote
+1,161$31.53$37k147,731May 15, 2026
Apr 1, 2026POpen-market purchase
Common Stockindirect: See footnote
+1,613$34.59$56k147,731May 15, 2026
Apr 1, 2026POpen-market purchase
Common Stockindirect: See footnote
+3,401$35.46$121k147,731May 15, 2026
Apr 1, 2026SOpen-market sale
Common Stockindirect: See footnote
-1,104$31.52$35k147,731May 15, 2026
Apr 1, 2026SOpen-market sale
Common Stockindirect: See footnote
-46$34.75$1,598147,731May 15, 2026

Related signals

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

ScoreCompanyInsiderValueHoldingsFiled
64Notable
FTHbuy 2
Sensei Biotherapeutics, Inc.
Brian C Stephenson
Chief Financial Officer
$326k
13,634 shares
+41%
69Notable
FTHbuy 2
Sensei Biotherapeutics, Inc.
Brian C Stephenson
Chief Financial Officer
$401k
15,641 shares
+90%
62Notable
FTHbuy 2
Sensei Biotherapeutics, Inc.
Brian C Stephenson
Chief Financial Officer
$406k
17,413 shares
-
43Moderate
FTHbuy 2
Sensei Biotherapeutics, Inc.
Anand Kiran Parikh
President and CEO
$55k
2,806 shares
+0%
43Moderate
FTHsell 2
Sensei Biotherapeutics, Inc.
Cambrian BioPharma Inc
owner
$501k
25,000 shares
-16%
43Moderate
FTHsell 2
Sensei Biotherapeutics, Inc.
James Peyer
owner, other
$501k
25,000 shares
-16%
39Weak
FTHbuy
Sensei Biotherapeutics, Inc.
Millennium Management LLC
owner
$818k
30,585 shares
+23%
21Weak
FTHsell
Sensei Biotherapeutics, Inc.
Millennium Management LLC
owner
$89k
3,250 shares
-2%
20Weak
FTHsell
Sensei Biotherapeutics, Inc.
Millennium Management LLC
owner
$77k
2,741 shares
-2%
23Weak
FTHbuy
Sensei Biotherapeutics, Inc.
Millennium Management LLC
owner
$141k
4,215 shares
+3%

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.

Millennium Management LLC bought $382k of FTH | InsiderTell