Activist Investor 13D, 13G Filings


This page shows a list of all the recent 13D/G filings made by 40 North Management LLC. Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

DateForm Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2018‑08‑09 SC 13D/A GCP / GCP Applied Technologies Inc. 7,207,474 8,041,974 11.58 11.2 12.00
2018‑05‑07 SC 13D GRA / Grace (W. R.) & Co. 6,662,275 9.9
2018‑04‑04 SC 13D/A GCP / GCP Applied Technologies Inc. 6,406,734 7,207,474 12.50 10.0 11.11
2017‑03‑13 SC 13D GCP / GCP Applied Technologies Inc. 6,406,734 9.0
2016‑08‑04 SC 13G/A RUBI / Rubicon Project, Inc. 4,416,000 0 -100.00 0.0 -100.00
2016‑07‑28 SC 13D/A MFRM / Mattress Firm Holding Corp. 4,063,983 4,465,758 9.89 12.0 10.09
2016‑07‑20 SC 13D/A MFRM / Mattress Firm Holding Corp. 3,630,262 4,063,983 11.95 10.9 11.22
2016‑03‑15 SC 13D/A CXP / Columbia Property Trust, Inc. 7,363,842 6,158,909 -16.36 5.0 -16.67
2016‑03‑01 SC 13D/A CXP / Columbia Property Trust, Inc. 8,759,396 7,363,842 -15.93 6.0 -14.29
2016‑02‑18 SC 13D/A MFRM / Mattress Firm Holding Corp. 3,157,933 3,630,262 14.96 9.8 15.29
2016‑02‑11 SC 13G/A RUBI / Rubicon Project, Inc. 2,869,382 4,416,000 53.90 10.0 53.85
2016‑02‑08 SC 13D/A MFRM / Mattress Firm Holding Corp. 2,919,936 3,157,933 8.15 8.5 2.41
2015‑12‑18 SC 13D/A MFRM / Mattress Firm Holding Corp. 2,421,345 2,919,936 20.59 8.3 20.64
2015‑11‑27 SC 13G RUBI / Rubicon Project, Inc. 2,869,382 6.5
2015‑09‑01 SC 13D/A CXP / Columbia Property Trust, Inc. 8,759,396 7.0
2015‑09‑01 SC 13D/A MFRM / Mattress Firm Holding Corp. 2,421,345 6.88
2015‑03‑26 SC 13D/A MFRM / Mattress Firm Holding Corp. 2,371,244 6.77