TANG KEVIN purchased 5.3% of their position (149.47K shares) of BOUNDLESS BIO, INC. on the open market
Open‑market purchase worth $349.6K — a moderate purchase. The strongest form of insider conviction signal.
P · 4 purchases
Filed: 10/20/2026ACC: 0001178579-26-000019
+149.47K
Net shares
Net buyer
$349.6K
Total acquired
4
Open market trades
4B · 0S
4
Total transactions
149.47K acquired
Non-Derivative Transactions4
Common Stock
Indirect
Shares
+118.19K
Price / share
$2.34
Trade value
$276.55K
% of position
4.2%
10/16/2026
2.84M→2.96M
Common Stock
Indirect
Shares
+12.79K
Price / share
$2.34
Trade value
$29.93K
% of position
0.4%
10/19/2026
2.96M→2.97M
Common Stock
Indirect
Shares
+18.28K
Price / share
$2.33
Trade value
$42.59K
% of position
0.6%
10/19/2026
2.97M→2.99M
Common Stock
Indirect
Shares
+220.00
Price / share
$2.37
Trade value
$521.40
% of position
0.0%
10/20/2026
2.99M→2.99M
Total
Net shares
+149.47K
Net value
$349.59K
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Indirect | 10/16/2026 | P · Purchase | +118.19K | $2.34 | $276.55K | 4.2% | 2.84M | 2.96M |
| Common Stock Indirect | 10/19/2026 | P · Purchase | +12.79K | $2.34 | $29.93K | 0.4% | 2.96M | 2.97M |
| Common Stock Indirect | 10/19/2026 | P · Purchase | +18.28K | $2.33 | $42.59K | 0.6% | 2.97M | 2.99M |
| Common Stock Indirect | 10/20/2026 | P · Purchase | +220.00 | $2.37 | $521.40 | 0.0% | 2.99M | 2.99M |
| Total | +149.47K | $349.59K | ||||||
Derivative Transactions0
No derivative transactions reported