SULLIVAN CHRISTOPHER RYAN (Interim CFO) sold 64.6% of their position (72.72K shares) of AVALO THERAPEUTICS, INC. on the open market

Open‑market sale worth $1.45M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 3 sales

SULLIVAN CHRISTOPHER RYAN

Filed: 8/19/2026ACC: 0001810417-26-000019

InsiderSULLIVAN CHRISTOPHER RYANCIK 1810417

→

IssuerAVALO THERAPEUTICS, INC.CIK 1534120

Officer· Interim CFO

Since Apr 2020

-72.72K

Net shares

Net seller

$1.45M

Total sold

Open market trades

0B · 3S

Total transactions

71.85K acquired · 144.58K disposed

Non-Derivative Transactions6

Common Stock

Direct

M · Option Exercise

+37.95K

Price / share

$9.88

Trade value

$374.90K

% of position

93.1%

8/17/2026

40.77K→78.72K

Common Stock

Direct

M · Option Exercise

+2.88K

Price / share

$9.88

Trade value

$28.41K

% of position

3.7%

8/17/2026

78.72K→81.59K

Common Stock

Direct

S · Sale

−37.95K

Price / share

$19.85

Trade value

$753.33K

% of position

46.5%

8/17/2026

81.59K→43.65K

Common Stock

Direct

S · Sale

−3.75K

Price / share

$19.94

Trade value

$74.76K

% of position

8.6%

8/17/2026

43.65K→39.90K

Common Stock

Direct

M · Option Exercise

+31.03K

Price / share

$9.88

Trade value

$306.59K

% of position

77.8%

8/18/2026

39.90K→70.93K

Common Stock

Direct

S · Sale

−31.03K

Price / share

$20.05

Trade value

$622.32K

% of position

43.7%

8/18/2026

70.93K→39.90K

Total

Net shares

−873.00

Net value

-$740.52K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Common Stock Direct	8/17/2026	M · Option Exercise	+37.95K	$9.88	$374.90K	93.1%	40.77K	78.72K
Common Stock Direct	8/17/2026	M · Option Exercise	+2.88K	$9.88	$28.41K	3.7%	78.72K	81.59K
Common Stock Direct	8/17/2026	S · Sale	−37.95K	$19.85	$753.33K	46.5%	81.59K	43.65K
Common Stock Direct	8/17/2026	S · Sale	−3.75K	$19.94	$74.76K	8.6%	43.65K	39.90K
Common Stock Direct	8/18/2026	M · Option Exercise	+31.03K	$9.88	$306.59K	77.8%	39.90K	70.93K
Common Stock Direct	8/18/2026	S · Sale	−31.03K	$20.05	$622.32K	43.7%	70.93K	39.90K
Total			−873.00		-$740.52K

Derivative Transactions3

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

37.95K shares

−37.95K

Strike price

9.88

Held after

130.15K

Exercisable

—

8/17/2026

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

2.88K shares

−2.88K

Strike price

9.88

Held after

127.27K

Exercisable

—

8/17/2026

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Common Stock

31.03K shares

−31.03K

Strike price

9.88

Held after

96.24K

Exercisable

—

8/18/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Common Stock37.95K shares	8/17/2026	M · Option Exercise	−37.95K	9.88	—	130.15K
Stock Option (Right to Buy) Direct	Common Stock2.88K shares	8/17/2026	M · Option Exercise	−2.88K	9.88	—	127.27K
Stock Option (Right to Buy) Direct	Common Stock31.03K shares	8/18/2026	M · Option Exercise	−31.03K	9.88	—	96.24K