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SUMMIT MASTER COMPANY, LLC

CIK 1627278 · last filed 2021-06-16

SUMMIT MASTER COMPANY, LLC is a corporate insider who has filed 1 SEC Form 4 insider transactions across 1 company since 2021. The most recent filing shows the insider sold $139.7M of LFST on Jun 16, 2021. Across all open-market trades the lifetime net is −$139.7M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $608.0M across reported positions. The firm reports its address in Boston, MA. 25 SEC filings were submitted jointly with SUMMIT PARTNERS L P.

"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

$607.97M

Companies

1

Total Filings

1

Lifetime Open-Market Net

-$139.70M

Filer Profile

Reported Address
222 BERKLEY STREET
18TH FLOOR
BOSTON, MA 02116
Phone
(617) 824-1000
State of Incorporation
DE
Related Filers
SUMMIT PARTNERS L P — 25 joint filings, latest 2024-05-29
Summit Investors Management, LLC — 22 joint filings, latest 2024-05-29
Summit Investors I (UK), L.P. — 18 joint filings, latest 2023-03-07
Summit Investors I, LLC — 18 joint filings, latest 2023-03-07
MARTIN J MANNION — 14 joint filings, latest 2022-09-09
Summit Partners Growth Equity Fund VIII-A, L.P. — 12 joint filings, latest 2023-03-07
SUMMIT PARTNERS GE VIII, L.P. — 9 joint filings, latest 2022-09-09
Summit Partners PE VII, L.P. — 7 joint filings, latest 2018-04-30
Profile details as reported on the filer's SEC submissions — for individual insiders the address is often in care of the issuer. Related filers are identified from jointly filed SEC submissions and shared reported addresses. View filings on SEC EDGAR.

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
LFST 46,875,407 $12.97 $607.97M -$139.70M 1 2021-06-16

Recent Filings

1 filing
Insider activity across all companies, newest first. Form 4 rows are post-trade confirmations (buys, sells, grants, exercises). Notice (144) rows are pre-trade notices of intent to sell restricted or control stock under Rule 144 — they may not all execute. Compare adjacent dates to see which notices became actual sales.
Filed Symbol Action Net Shares Net $ Link
2021-06-16 LFST Sell (S) −8,213,064 -$139.70M EDGAR
Form 4 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.
Notice (144 / 144/A): Form 144 is a notice of intent to sell restricted/control stock under Rule 144, filed before the sale; 144/A is an amendment. Many notices are pre-scheduled under Rule 10b5-1 plans. A Form 4 with code S typically follows within a few days when the planned sale executes; missing follow-up Form 4s suggest the notice was cancelled or modified.