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CRESCENT BIOPHARMA, INC.

CBIO No buying or selling
CIK 0001253689 #2943 in the set updated 17 Sep 2026
Bought (1 mo)
$0.00
out of their own pocket, the only kind of buying there is
Sold (1 mo)
$0.00
$0.00 on a plan · $0.00 straight out of an exercise
Sold at will
$0.00
0 of 0 sales
Net
$0.00
$0.00 against sales at will

By person

10 insiders · 0 transactions
Insider
Role
Bought
Sold
Net
Holding
Worth
Change
Fairmount Funds Management LLC entity
Director
3,601,316
$52.22M
+159.5%
Brumm Joshua T
Chief Executive Officer
281,212
$4.08M
+4.8%
McNeill Jonathan
President and COO
139,158
$2.02M
+3.7%
BVF PARTNERS L P/IL entity
10% owner
62,383
$904.55K
Doughty Christopher Grant
Chief Business Officer
62,194
$901.81K
+57.5%
Pinkas Jan
Chief Scientific Officer
22,239
$322.47K
+2,080%
Im Ellie Eunkyung
Chief Medical Officer
22,069
$320.00K
+1,009%
Scalzo Richard William
Chief Financial Officer
20,298
$294.32K
+921.0%
Bispham Barbara Harlin
See Remarks
19,330
$280.29K
+809.2%
Lynch Ryan
See Remarks
13,871
$201.13K
+608.4%

No percentages here. This company's share count has moved by a factor of 4.6 over the window, from 13,892,516 to 64,532,091 shares. A split, a merger or a large issue changes what the company is, and a holding measured at one point in that run is not a fraction of it at another.

Nothing of that kind in this period.

What was left out

Form 4 filings counted 0
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 0
Sales straight out of an exercise 0
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 0
History held since 4 Oct 2016