GAYER CHARLES K

PrivateCIK: 1800110
Location

DURHAM, NC

GAYER CHARLES K (Vice President and CCO) exercised options at BIOCRYST PHARMACEUTICALS INC

Option exercise — a mechanical event triggered by vesting or expiry. Not a discretionary conviction trade.

M · 3 exercises
InsiderGAYER CHARLES KCIK 1800110
Officer· Vice President and CCO
Since Jan 2020
-11.48K
Net shares
Net seller
$85.0K
Total sold
0
Open market trades
0B · 0S
7
Total transactions
74.23K acquired · 85.71K disposed
Non-Derivative Transactions4

Common Stock

Direct
F · Tax Withholding

Shares

11.48K

Price / share

$7.41

Trade value

$85.04K

% of position

1.3%
12/19/2025
889.83K878.35K

Common Stock

Direct
M · Option Exercise

Shares

+14.14K

Price / share

$3.22

Trade value

$45.54K

% of position

1.6%
12/22/2025
878.35K892.49K

Common Stock

Direct
M · Option Exercise

Shares

+10.09K

Price / share

$5.04

Trade value

$50.86K

% of position

1.1%
12/22/2025
892.49K902.58K

Common Stock

Direct
M · Option Exercise

Shares

+50K

Price / share

$5.51

Trade value

$275.50K

% of position

5.5%
12/22/2025
902.58K952.58K
Total

Net shares

+62.76K

Net value

$286.85K

Derivative Transactions3

Emp. Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

14.14K shares

Shares

14.14K

Strike price

3.22

Held after

0.00

Exercisable

12/22/2025

Emp. Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

10.09K shares

Shares

10.09K

Strike price

5.04

Held after

17.41K

Exercisable

12/22/2025

Emp. Stock Option (Right to Buy)

Direct
M · Option Exercise
Converts to

Common Stock

50K shares

Shares

50K

Strike price

5.51

Held after

0.00

Exercisable

12/22/2025
GAYER CHARLES K — Insider Transaction (Form 4) Filed Dec 23, 2025 | Finecho