ARCH VENTURE FUND IX, L.P. sold 16K shares of BOUNDLESS BIO, INC. on the open market
Open‑market sale worth $39.8K. Review remaining holdings and any 10b5‑1 plan disclosures.
S · 1 sale
Filed: 7/6/2026ACC: 0001012975-26-000621
10% Owner
Since Mar 2024
-16K
Net shares
Net seller
$39.8K
Total sold
1
Open market trades
0B · 1S
3
Total transactions
16K acquired · 32K disposed
Non-Derivative Transactions2
Common Stock
Indirect
Shares
+16K
Price / share
$1.03
Trade value
$16.48K
% of position
New position
7/1/2026
0.00→16K
Common Stock
Indirect
Shares
−16K
Price / share
$2.49
Trade value
$39.84K
% of position
New position
7/1/2026
16K→0.00
Total
Net shares
+0.00
Net value
-$23.36K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Indirect | 7/1/2026 | M · Option Exercise | +16K | $1.03 | $16.48K | New position | 0.00 | 16K |
| Common Stock Indirect | 7/1/2026 | S · Sale | −16K | $2.49 | $39.84K | New position | 16K | 0.00 |
| Total | +0.00 | -$23.36K | ||||||
Derivative Transactions1
Stock Option (right to buy)
Indirect
Converts to
Common Stock
16K shares
Shares
−16K
Strike price
1.03
Held after
0.00
Exercisable
—
7/1/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Stock Option (right to buy) Indirect | Common Stock16K shares | 7/1/2026 | M · Option Exercise | −16K | 1.03 | — | 0.00 |
Non-Derivative Holdings (Post-Transaction)3
Common Stock
IndirectShares owned828.57K
Common Stock
IndirectShares owned683.76K
Common Stock
IndirectShares owned1.18M
Total
2.69M indirect2.69M
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 828.57K | Indirect |
| Common Stock | 683.76K | Indirect |
| Common Stock | 1.18M | Indirect |
| Total | 2.69M | 2.69M indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported