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ISSUER PROFILE · CIK 0001162194 · CUSIP 34385P108

STANDARD BIOTOOLS INC.LAB

11 13D/G filings 4 distinct filers 12 insider transactions (365d)

Post-Filing Returns · across 1 activist filings on this issuer

Median 30d
+0.9%
avg +0.9%
Median 60d
+8.4%
avg +8.4%
Median 90d
-0.9%
avg -0.9%
Median 180d
+19.6%
avg +19.6%

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
11
1 SCHEDULE 13D · 1 SCHEDULE 13D/A · 1 SCHEDULE · 8 SC
Distinct filers
4
multi-activist cluster
Insiders (365d)
12
6 buys · 0 sales
Latest short DTC
5.91
as of 2026-05-29

Institutional Consensus · 2026-03-31

Held by elite portfolio managers
2 holders · $54.10M
Point72 Asset MgmtViking Global

13D/G Filings Timeline · 11 total

FiledFormFilerStakeSharesIntent
2026-06-12 SCHEDULE 13D VIKING GLOBAL INVESTORS LP 15.00% 58,651,170 view →
2026-06-09 SCHEDULE 13D/A Casdin Capital, LLC 23.90% 88,783,856 view →
2025-03-04 SCHEDULE Casdin Capital, LLC 21.60% 80,864,315 view →
2024-01-09 SC Casdin Capital, LLC view →
2024-01-08 SC Caligan Partners LP view →
2023-07-03 SC Caligan Partners LP view →
2022-08-05 SC Caligan Partners LP view →
2019-04-02 SC LEVIN CAPITAL STRATEGIES, L.P. view →
2019-03-20 SC LEVIN CAPITAL STRATEGIES, L.P. view →
2018-03-06 SC LEVIN CAPITAL STRATEGIES, L.P. view →
2018-01-11 SC LEVIN CAPITAL STRATEGIES, L.P. view →

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-04-06 Kim Hanjoon Alex officer Option exercise 70,183
2026-04-06 Kim Hanjoon Alex officer F 21,301 $0.91 $19K
2026-04-06 Kim Hanjoon Alex officer Option exercise 70,183
2026-04-06 Egholm Michael director, officer Option exercise 196,513
2026-04-06 Egholm Michael director, officer F 95,014 $0.91 $86K
2026-04-06 Egholm Michael director, officer Option exercise 196,513
2026-03-20 Egholm Michael director, officer Award 1,042,373
2026-03-20 Mackay Sean officer Award 272,107
2026-03-20 Kim Hanjoon Alex officer Award 323,173
2026-03-20 Kim Hanjoon Alex officer Award 727,140 $0.98 $716K
2026-03-20 Mackay Sean officer Award 612,240 $0.98 $603K
2026-03-20 Egholm Michael director, officer Award 2,345,340 $0.98 $2.31M

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-05-29 13,127,631 5.91 +1.6%
2026-05-15 12,920,309 6.99 +9.3%
2026-04-30 11,821,128 4.25 +39.4%
2026-04-15 8,479,342 2.38 -17.8%
2026-03-31 10,319,954 5.59 +24.6%
2026-03-13 8,281,198 2.54 -18.5%
2026-02-27 10,159,609 5.94 -3.2%
2026-02-13 10,493,665 8.03 +7.2%
2026-01-30 9,788,254 9.20 -4.0%
2026-01-15 10,191,929 5.24 -1.1%
2025-12-31 10,301,667 6.16 -1.7%
2025-12-15 10,478,841 8.62 -4.0%

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