FORESITE LABS, LLC purchased 16.5% of their position (411.76K shares) of ALUMIS INC. on the open market
Open‑market purchase worth $7.00M — a significant purchase. The strongest form of insider conviction signal.
P · 2 purchases
Filed: 1/12/2026ACC: 0001104659-26-003018
+411.76K
Net shares
Net buyer
$7.00M
Total acquired
2
Open market trades
2B · 0S
2
Total transactions
411.76K acquired
Non-Derivative Transactions2
Common Stock
Indirect
Shares
+117.65K
Price / share
$17.00
Trade value
$2M
% of position
2.1%
1/8/2026
5.58M→5.70M
Common Stock
Indirect
Shares
+294.12K
Price / share
$17.00
Trade value
$5M
% of position
11.3%
1/8/2026
2.61M→2.91M
Total
Net shares
+411.76K
Net value
$7M
| Security | Date | Type | Shares | Price / Share | Trade Value | % of Position | Held Before | Held After |
|---|---|---|---|---|---|---|---|---|
| Common Stock Indirect | 1/8/2026 | P · Purchase | +117.65K | $17.00 | $2M | 2.1% | 5.58M | 5.70M |
| Common Stock Indirect | 1/8/2026 | P · Purchase | +294.12K | $17.00 | $5M | 11.3% | 2.61M | 2.91M |
| Total | +411.76K | $7M | ||||||
Derivative Transactions0
No derivative transactions reported
Non-Derivative Holdings (Post-Transaction)4
Common Stock
IndirectShares owned1.96M
Common Stock
IndirectShares owned4.25M
Common Stock
IndirectShares owned1.18M
Common Stock
IndirectShares owned194.46K
Total
7.58M indirect7.58M
| Security Title | Shares Owned | Ownership Type |
|---|---|---|
| Common Stock | 1.96M | Indirect |
| Common Stock | 4.25M | Indirect |
| Common Stock | 1.18M | Indirect |
| Common Stock | 194.46K | Indirect |
| Total | 7.58M | 7.58M indirect |
Derivative Holdings (Post-Transaction)0
No derivative holdings reported