BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC purchased 7.4% of their position (1.56M shares) of KAILERA THERAPEUTICS, INC. on the open market
Open‑market purchase worth $25.00M — a moderate purchase. The strongest form of insider conviction signal.
P · 1 purchase
Filed: 4/20/2026ACC: 0001193125-26-164389
→
10% Owner
Since Apr 2026
+1.56M
Net shares
Net buyer
$25.00M
Total acquired
1
Open market trades
1B · 0S
5
Total transactions
22.58M acquired · 21.02M disposed
Non-Derivative Transactions3
Common Stock
Indirect
Shares
+16.88M
Price / share
—
Trade value
—
% of position
New position
4/20/2026
0.00→16.88M
Common Stock
Indirect
Shares
+4.15M
Price / share
—
Trade value
—
% of position
24.6%
4/20/2026
16.88M→21.02M
Common Stock
Indirect
Shares
+1.56M
Price / share
$16.00
Trade value
$25M
% of position
7.4%
4/20/2026
21.02M→22.58M
Total
Net shares
+22.58M
Net value
$25M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Indirect | 4/20/2026 | C · Conversion | +16.88M | — | — | New position | 0.00 | 16.88M |
| Common Stock Indirect | 4/20/2026 | C · Conversion | +4.15M | — | — | 24.6% | 16.88M | 21.02M |
| Common Stock Indirect | 4/20/2026 | P · Purchase | +1.56M | $16.00 | $25M | 7.4% | 21.02M | 22.58M |
| Total | +22.58M | $25M | ||||||
Derivative Transactions2
Series A-1 Preferred Stock
Indirect
Converts to
Common Stock
16.88M shares
Shares
−16.88M
Strike price
Held after
0.00
Exercisable
—
4/20/2026
Series B Preferred Stock
Indirect
Converts to
Common Stock
4.15M shares
Shares
−4.15M
Strike price
Held after
0.00
Exercisable
—
4/20/2026
| Security | Converts To | Date | Type | Shares | Strike Price | Exercisable | Held After |
|---|---|---|---|---|---|---|---|
| Series A-1 Preferred Stock Indirect | Common Stock16.88M shares | 4/20/2026 | C · Conversion | −16.88M | — | 0.00 | |
| Series B Preferred Stock Indirect | Common Stock4.15M shares | 4/20/2026 | C · Conversion | −4.15M | — | 0.00 |