ARCH Venture Partners IX, L.P.

CIK 1723173 · last filed 2024-04-04

ARCH Venture Partners IX, L.P. is a corporate insider who has filed 7 SEC Form 4 insider transactions across 5 companies since 2021. The most recent filing, for BOLD, was dated Apr 4, 2024. Across all open-market trades the lifetime net is +$125.6M, making them a net buyer over the disclosed history. Current disclosed insider exposure totals $372.8M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$372.77M

Companies

5

Total Filings

7

Lifetime Open-Market Net

$125.60M

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
BOLD 10%+ Owner 683,759 $1.41 $964.1K $25.60M 1 2024-04-04
SANA 10%+ Owner 10,667,387 $2.68 $28.59M $100.00M 1 2024-02-12
VIR 10%+ Owner 82,858 $8.61 $713.4K $0 3 2022-09-01
BEAM 10%+ Owner 3,331,737 $29.03 $96.72M $0 1 2021-06-29
LYEL 10%+ Owner 18,206,358 $13.50 $245.79M $0 1 2021-06-23

Recent Filings

7 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2024-04-04 BOLD Mixed +21,005,768 $25.60M EDGAR
2024-02-12 SANA Buy (P) +18,181,810 $100.00M EDGAR
2022-09-01 VIR Other (J) −6,754,958 $0 EDGAR
2022-08-22 VIR Other (J) −3,377,479 $0 EDGAR
2022-06-06 VIR Other (J) −3,377,486 $0 EDGAR
2021-06-29 BEAM Other (J) −6,271,168 $0 EDGAR
2021-06-23 LYEL Conv (C) +254,889,012 $0 EDGAR
Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.