ZEDELMAYER CHRISTINE

PrivateCIK: 1797818
Location

LA JOLLA, CA

ZEDELMAYER CHRISTINE (Sr. Vice President and COO) sold 60.5% of their position (95.83K shares) of EQUILLIUM, INC. on the open market

Open‑market sale worth $267.2K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 4 sales
InsiderZEDELMAYER CHRISTINECIK 1797818
IssuerEQUILLIUM, INC.CIK 1746466
Officer· Sr. Vice President and COO
Since Jan 2020
-95.83K
Net shares
Net seller
$267.2K
Total sold
4
Open market trades
0B · 4S
14
Total transactions
95.83K acquired · 191.67K disposed
Non-Derivative Transactions9

Common Stock

Direct
M · Option Exercise

Shares

+9.82K

Price / share

$0.77

Trade value

$7.56K

% of position

15.7%
5/27/2026
62.59K72.41K

Common Stock

Direct
S · Sale

Shares

9.82K

Price / share

$2.70

Trade value

$26.52K

% of position

13.6%
5/27/2026
72.41K62.59K

Common Stock

Direct
M · Option Exercise

Shares

+7.29K

Price / share

$0.73

Trade value

$5.32K

% of position

11.7%
5/28/2026
62.59K69.88K

Common Stock

Direct
M · Option Exercise

Shares

+48.51K

Price / share

$0.77

Trade value

$37.35K

% of position

69.4%
5/28/2026
69.88K118.39K

Common Stock

Direct
S · Sale

Shares

55.60K

Price / share

$2.70

Trade value

$150.13K

% of position

47.0%
5/28/2026
118.39K62.79K

Common Stock

Direct
S · Sale

Shares

200.00

Price / share

$2.71

Trade value

$542.00

% of position

0.3%
5/28/2026
62.79K62.59K

Common Stock

Direct
M · Option Exercise

Shares

+14.58K

Price / share

$0.79

Trade value

$11.45K

% of position

23.3%
5/28/2026
62.59K77.17K

Common Stock

Direct
M · Option Exercise

Shares

+15.63K

Price / share

$0.79

Trade value

$12.27K

% of position

20.2%
5/28/2026
77.17K92.79K

Common Stock

Direct
S · Sale

Shares

30.21K

Price / share

$2.98

Trade value

$90.02K

% of position

32.6%
5/28/2026
92.79K62.59K
Total

Net shares

+0.00

Net value

-$193.26K

Derivative Transactions5

Employee Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

9.82K shares

Shares

9.82K

Strike price

0.77

Held after

165.18K

Exercisable

5/27/2026

Employee Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

7.29K shares

Shares

7.29K

Strike price

0.73

Held after

91.15K

Exercisable

5/28/2026

Employee Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

48.51K shares

Shares

48.51K

Strike price

0.77

Held after

116.67K

Exercisable

5/28/2026

Employee Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

14.58K shares

Shares

14.58K

Strike price

0.785

Held after

40.10K

Exercisable

5/28/2026

Employee Stock Option (right to buy)

Direct
M · Option Exercise
Converts to

Common Stock

15.63K shares

Shares

15.63K

Strike price

0.785

Held after

0.00

Exercisable

5/28/2026
ZEDELMAYER CHRISTINE — Insider Transaction (Form 4) Filed May 29, 2026 | Finecho