Home

Michael R Murphy

CIK 1323510 · last filed 2012-12-19

Michael R Murphy is a corporate insider who has filed 60 SEC Form 4 insider transactions across 7 companies since 2007. The most recent filing shows the insider sold $196.0K of ATRC on Dec 19, 2012. Across all open-market trades the lifetime net is −$29.0M, making them a net seller over the disclosed history. Current disclosed insider exposure totals $190.0M across reported positions. 205 SEC filings were submitted jointly with Daniel J Donoghue.

"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.

Loading insider history…
Disclosed Exposure

$190.00M

Companies

7

Total Filings

60

Lifetime Open-Market Net

-$29.05M

Filer Profile

Reported Address
C/O DISCOVERY GROUP I, LLC
300 S WACKER DRIVE, SUITE 600
CHICAGO, IL 60606
Related Filers
Daniel J Donoghue — 205 joint filings, latest 2012-12-19
Discovery Group I, LLC — 204 joint filings, latest 2012-12-19
DISCOVERY EQUITY PARTNERS, LP — 3 joint filings, latest 2008-02-13
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
ATRC 10%+ Owner 1,621,334 $55.93 $90.68M $79.4K 15 2012-12-19
Cardiovascular Systems Inc (CSII) Delisted 10%+ Owner 261,331 $20.00 $5.23M $712.6K 3 2012-07-11
TESSCO TECHNOLOGIES INC (TESS) Delisted 10%+ Owner 818,642 $8.99 $7.36M -$8.75M 13 2011-05-05
TIER Director 359,594 $32.53 $11.70M $5.33M 3 2010-04-12
OPENTV CORP (OPTV) Delisted 10%+ Owner 10,560,946 — — -$22.83M 3 2009-10-27
ECHO 10%+ Owner 932,110 $94.00 $87.62M -$4.40M 6 2008-01-09
HAWK CORP (HWK) Delisted 10%+ Owner 951,458 — — $805.5K 1 2007-11-09

Recent Filings

60 filings
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
2012-12-19 ATRC Sell (S) −30,000 -$196.0K EDGAR
2012-12-13 ATRC Sell (S) −159,702 -$991.2K EDGAR
2012-11-28 ATRC Sell (S) −22,335 -$159.4K EDGAR
2012-11-23 ATRC Sell (S) −6,279 -$45.3K EDGAR
2012-10-03 — Sell (S) −899,400 -$3.51M
2012-08-29 — Sell (S) −2,100 -$8.4K
2012-08-22 — Sell (S) −24,945 -$100.1K
2012-08-01 — Sell (S) −3,000 -$12.0K
2012-07-11 Cardiovascular Systems Inc (CSII) Delisted Sell (S) −76,860 -$790.1K EDGAR
2012-07-10 — Sell (S) −19,980 -$80.1K
Showing 1–10 of 60
Page 1 of 6
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.