WEISS ROBERT S

Director, President & CEO · SEC CIK 1181959
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Buy track record

How this insider's open-market purchases have performed
This 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
$0
0 trades
Open-market sells
$165.04M
42 trades
Net flow
−$165.04M
Net selling
Total filings
83
transactions shown

Full transaction history

All Form 4 activity across every company, newest first
View on SEC EDGAR ↗
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COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Mar 11, 2024 ΔOwn −24%

Weiss Robert S sold $9M of COO, trimming their stake 24%.

−$9M
88,075 sh @ $102
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Mar 11, 2024 ΔOwn −35%

Weiss Robert S sold $15.66M of COO, trimming their stake 35%.

−$15.66M
153,213 sh @ $102
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Dec 21, 2023 ΔOwn −14%

Weiss Robert S sold $7.8M of COO, trimming their stake 14%.

−$7.8M
21,445 sh @ $364
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Dec 21, 2023 ΔOwn −22%

Weiss Robert S sold $10.11M of COO, trimming their stake 22%.

−$10.11M
27,715 sh @ $365
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Dec 21, 2023 ΔOwn −29%

Weiss Robert S sold $10.7M of COO, trimming their stake 29%.

−$10.7M
29,272 sh @ $366
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Dec 21, 2023 ΔOwn −1.3%

Weiss Robert S sold $344K of COO, trimming their stake 1%.

−$344K
938 sh @ $367
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Mar 7, 2023 ΔOwn −4.6%

Weiss Robert S sold $1.65M of COO, trimming their stake 5%.

−$1.65M
4,928 sh @ $335
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Mar 7, 2023 ΔOwn −12%

Weiss Robert S sold $4.31M of COO, trimming their stake 12%.

−$4.31M
12,814 sh @ $336
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Mar 7, 2023 ΔOwn −6.7%

Weiss Robert S sold $2.04M of COO, trimming their stake 7%.

−$2.04M
6,053 sh @ $337
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Mar 7, 2023 ΔOwn −5.0%

Weiss Robert S sold $1.41M of COO, trimming their stake 5%.

−$1.41M
4,164 sh @ $338
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Mar 7, 2023 ΔOwn −2.5%

Weiss Robert S sold $666.4K of COO, trimming their stake 2%.

−$666.4K
1,963 sh @ $339
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Mar 7, 2023 ΔOwn −5.3%

Weiss Robert S sold $1.39M of COO, trimming their stake 5%.

−$1.39M
4,084 sh @ $340
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Mar 7, 2023 ΔOwn −2.7%

Weiss Robert S sold $677.5K of COO, trimming their stake 3%.

−$677.5K
1,986 sh @ $341
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Mar 7, 2023 ΔOwn −0.7%

Weiss Robert S sold $171.1K of COO, trimming their stake 1%.

−$171.1K
500 sh @ $342
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Mar 7, 2023 ΔOwn −1.1%

Weiss Robert S sold $265.9K of COO, trimming their stake 1%.

−$265.9K
772 sh @ $344
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Mar 29, 2022 ΔOwn −6.4%

Weiss Robert S sold $2.02M of COO, trimming their stake 6%.

−$2.02M
4,885 sh @ $414
COO
Sell WEISS ROBERT S · Director · Open-market sale · filed Mar 29, 2022 ΔOwn −3.5%

Weiss Robert S sold $1.05M of COO, trimming their stake 4%.

−$1.05M
2,521 sh @ $415

Frequently asked questions

How is WEISS ROBERT S'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 WEISS ROBERT S'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.