Alumis Inc. Common Stock (ALMS) has 18 known insider and institutional holders on record. The largest holder is AyurMaya Capital Management Company, LP with 15,139,707 shares. Other notable holders include Foresite Labs, LLC and Tananbaum James B..
Over the last 12 months, insiders have made 66 transactions in ALMS stock — 60 buys (valued at $96.96M) and 0 sells (valued at RSU Award). Insider buying has outpaced selling during this period, which may signal confidence in the company's prospects.
ALMS Insider Ownership
Top Holder
AyurMaya Capital Management Company, LP
15,139,707 shares
Buys (12 mo)
60
$96.96M value
Sells (12 mo)
0
$0.00 value
12-Month Transaction Activity
Top Insider Holders
| # |
Name |
Role |
Shares Owned |
Last Filed |
Relative Size |
| 1 |
Ayurmaya Capital Management Company, Lp |
10 Percent Owner, Other: See Remarks |
15,139,707 |
2025-05-23 |
|
| 2 |
Foresite Labs, Llc |
10 Percent Owner |
2,908,332 |
2026-01-12 |
|
| 3 |
Tananbaum James B. |
10 Percent Owner |
2,908,332 |
2026-01-12 |
|
| 4 |
Foresite Capital Management Vi Llc |
10 Percent Owner |
2,908,332 |
2026-01-12 |
|
| 5 |
Akkaraju Srinivas |
Director |
1,853,488 |
2026-01-13 |
|
| 6 |
Babler Martin |
President, CEO and Chairman |
745,875 |
2026-01-28 |
|
| 7 |
Drappa Jorn |
Chief Medical Officer |
221,450 |
2026-01-28 |
|
| 8 |
Schroer John R. |
Chief Financial Officer |
202,225 |
2026-01-28 |
|
| 9 |
Hardiman Roy C. |
Chief Business & Strategy Ofcr |
190,875 |
2026-01-28 |
|
| 10 |
Bradley Mark Christopher |
Chief Development Officer |
190,225 |
2026-01-28 |
|
| 11 |
Pangali Sanam |
Chief Legal Officer |
186,200 |
2026-01-28 |
|
| 12 |
Machado Patrick |
Director |
49,800 |
2025-08-01 |
|
| 13 |
Yao Zhengbin |
Director |
49,800 |
2025-08-01 |
|
| 14 |
Srivastava Sapna |
Director |
49,800 |
2025-08-01 |
|
| 15 |
Tetrault Lynn A. |
Director |
49,800 |
2025-08-01 |
|
| 16 |
Richardson Derrick |
SVP, People and Culture |
42,800 |
2025-07-31 |
|
| 17 |
Colowick Alan |
Director |
16,104 |
2025-04-03 |
|
| 18 |
Goldstein David M |
Chief Scientific Officer |
8,994 |
2026-02-11 |
|
Recent Transactions (last 12 months)
| Date |
Name |
Role |
Type |
Shares |
Price |
Value |
| 2026-04-01 |
Foresite Labs, Llc |
10 Percent Owner |
Other (Sell) |
1,123,337 |
- |
- |
| 2026-04-01 |
Foresite Capital Management Vi Llc |
10 Percent Owner |
Other (Sell) |
1,123,337 |
- |
- |
| 2026-04-01 |
Tananbaum James B. |
10 Percent Owner |
Other (Sell) |
1,123,337 |
- |
- |
| 2025-12-31 |
Goldstein David M |
Chief Scientific Officer |
Unknown |
- |
- |
- |
| 2026-01-26 |
Pangali Sanam |
Chief Legal Officer |
RSU Award |
186,200 |
$26.31 |
$4.9M |
| 2026-01-26 |
Bradley Mark Christopher |
Chief Development Officer |
RSU Award |
190,225 |
$26.31 |
$5M |
| 2026-01-26 |
Drappa Jorn |
Chief Medical Officer |
RSU Award |
221,450 |
$26.31 |
$5.83M |
| 2026-01-26 |
Goldstein David M |
Chief Scientific Officer |
RSU Award |
216,675 |
$26.31 |
$5.7M |
| 2026-01-26 |
Schroer John R. |
Chief Financial Officer |
RSU Award |
202,225 |
$26.31 |
$5.32M |
| 2026-01-26 |
Hardiman Roy C. |
Chief Business & Strategy Ofcr |
RSU Award |
190,875 |
$26.31 |
$5.02M |
| 2026-01-26 |
Babler Martin |
President, CEO and Chairman |
RSU Award |
745,875 |
$26.31 |
$19.62M |
| 2026-01-09 |
Akkaraju Srinivas |
Director |
Informative Buy |
588,235 |
$17.00 |
$10M |
| 2026-01-08 |
Foresite Labs, Llc |
10 Percent Owner |
Informative Buy |
294,117 |
$17.00 |
$5M |
| 2026-01-08 |
Foresite Capital Management Vi Llc |
10 Percent Owner |
Informative Buy |
294,117 |
$17.00 |
$5M |
| 2026-01-08 |
Tananbaum James B. |
10 Percent Owner |
Informative Buy |
294,117 |
$17.00 |
$5M |
| 2025-12-05 |
Akkaraju Srinivas |
Director |
Informative Buy |
64,969 |
$8.95 |
$581.47K |
| 2025-12-04 |
Akkaraju Srinivas |
Director |
Informative Buy |
66,027 |
$8.18 |
$540.1K |
| 2025-12-03 |
Akkaraju Srinivas |
Director |
Informative Buy |
100,000 |
$7.75 |
$775K |
| 2025-12-02 |
Akkaraju Srinivas |
Director |
Informative Buy |
96,000 |
$7.55 |
$724.8K |
| 2025-12-01 |
Akkaraju Srinivas |
Director |
Informative Buy |
86,350 |
$7.46 |
$644.17K |
| 2025-11-28 |
Akkaraju Srinivas |
Director |
Informative Buy |
38,702 |
$7.64 |
$295.68K |
| 2025-11-26 |
Akkaraju Srinivas |
Director |
Informative Buy |
48,537 |
$7.64 |
$370.82K |
| 2025-11-21 |
Foresite Labs, Llc |
10 Percent Owner |
Informative Buy |
72,212 |
$7.38 |
$532.92K |
| 2025-11-21 |
Foresite Capital Management Vi Llc |
10 Percent Owner |
Informative Buy |
72,212 |
$7.38 |
$532.92K |
| 2025-11-21 |
Tananbaum James B. |
10 Percent Owner |
Informative Buy |
72,212 |
$7.38 |
$532.92K |
