RDUS
−$0
1.23M sh
MPM BIOVENTURES III LLC
10% Owner · SEC CIK 1173409Advertisement
Buy track record
How this insider's open-market purchases have performedThis insider has no open-market purchases in the records we parsed, so there's no buy track record to score. Their full filing history is below.
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Open-market buys
$5.01M
13 trades
Open-market sells
$22M
39 trades
Net flow
−$16.98M
Net selling
Total filings
59
transactions shown
Full transaction history
All Form 4 activity across every company, newest firstRDUS
+$0
694,449 sh
KBIO
+$0
313,527 sh
SOMX
Mpm Bioventures Iii-qp L.p. sold $498.7K of SOMX, trimming their stake 56%.
−$498.7K
1.62M sh @ $0
SOMX
Mpm Bioventures Iii-qp L.p. sold $195.3K of SOMX, trimming their stake 19%.
−$195.3K
671,217 sh @ $0
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SOMX
Mpm Bioventures Iii-qp L.p. sold $23.3K of SOMX, trimming their stake 2%.
−$23.3K
80,348 sh @ $0
SOMX
Mpm Bioventures Iii-qp L.p. sold $28.5K of SOMX, trimming their stake 3%.
−$28.5K
98,210 sh @ $0
SOMX
Mpm Bioventures Iii-qp L.p. sold $5.7K of SOMX, trimming their stake 1%.
−$5.7K
19,500 sh @ $0
SOMX
−$3.5K
12,000 sh @ $0
SOMX
−$421
1,450 sh @ $0
SOMX
−$2.4K
8,400 sh @ $0
SOMX
Mpm Bioventures Iii-qp L.p. sold $8.6K of SOMX, trimming their stake 1%.
−$8.6K
29,555 sh @ $0
SOMX
Mpm Bioventures Iii-qp L.p. sold $9K of SOMX, trimming their stake 1%.
−$9K
29,850 sh @ $0
SOMX
Mpm Bioventures Iii-qp L.p. sold $15.3K of SOMX, trimming their stake 1%.
−$15.3K
51,007 sh @ $0
SOMX
−$4.6K
15,300 sh @ $0
SOMX
Mpm Bioventures Iii-qp L.p. sold $87.9K of SOMX, trimming their stake 7%.
−$87.9K
293,015 sh @ $0
SOMX
Mpm Bioventures Iii-qp L.p. sold $40.6K of SOMX, trimming their stake 3%.
−$40.6K
135,250 sh @ $0
SOMX
Mpm Bioventures Iii-qp L.p. sold $87K of SOMX, trimming their stake 6%.
−$87K
287,000 sh @ $0
ZLCS
−$761K
738,807 sh @ $1
ZLCS
−$79.6K
78,000 sh @ $1
ZLCS
−$207.3K
203,200 sh @ $1
ZLCS
−$259.6K
252,000 sh @ $1
ZLCS
−$71.5K
70,100 sh @ $1
ZLCS
−$437.8K
425,000 sh @ $1
ZLCS
−$35.5K
34,817 sh @ $1
ZLCS
−$20K
19,644 sh @ $1
ZLCS
−$40.5K
39,700 sh @ $1
ZLCS
−$5.1K
5,000 sh @ $1
ZLCS
−$13.44M
131,800 sh @ $102
ZLCS
−$210.6K
206,500 sh @ $1
Frequently asked questions
How is MPM BIOVENTURES III LLC's win rate calculated?
We take every open-market purchase (SEC code P) we can match to a stock price, then compare the split- and dividend-adjusted price on the purchase date to the most recent close. The win rate is the share of those buys currently trading above the purchase price. Sales and share grants are not scored.
Why are some buys not included in the score?
A purchase is excluded if we can't price it — for example if the ticker is missing from the filing, the company has been delisted, or the security isn't a common stock we can match to market data. Excluded counts are shown next to the scored total.
What do the 1M / 3M / 6M / 12M columns mean?
They show each purchase's return after a fixed holding period — one, three, six, and twelve months from the buy date — using split- and dividend-adjusted prices. This separates good entry timing from simply holding a long-running winner. A dash means that horizon hasn't elapsed yet for that trade, or the stock couldn't be priced at that date.
Does a high win rate mean I should copy this insider?
No. Past performance does not predict future results, sample sizes are often small, and an insider's edge in their own company doesn't transfer to yours. This is context, not a recommendation. InsiderSource is not investment advice.
Where does this data come from?
Trades come from MPM BIOVENTURES III LLC's SEC Form 4 filings on EDGAR. Prices come from public market data and are split/dividend-adjusted. Always verify against the original filings before acting.