We show that opportunistic insiders can be identified through the profitability of their trades prior to quarterly earnings announcements (QEAs), and that opportunistic trading is associated with various kinds of firm/managerial misconduct. A value-weighted trading strategy based on (not necessarily pre-QEA) trades of opportunistic insiders earns monthly 4-factor alphas of over 1% โ much higher than in past insider trading literature and substantial/significant even on the short side. Firms with opportunistic insiders have higher levels of earnings management, restatements, SEC enforcement actions, shareholder litigation, and executive compensation. These findings suggest that opportunism is a domain-general trait.
See paper at https://ssrn.com/abstract=2635257
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It is good to know the basics before making investments in Stock Markets. History has recorded scores of investors who have made fortune out of stock market. And if your investments are timed well, you could be the next fortune maker in the market.
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Opportunism as a firm and managerial trait predicting insider trading profits and misconduct (presentation slides)
1. Electronic copy available at: https://ssrn.com/abstract=3178347
Opportunism as a Firm and
Managerial Trait:
Predicting Insider Trading Profits
and Misconduct
Usman Ali
MIG Capital
David Hirshleifer
Merage School of Business
University of California, Irvine
May 2018
2. Electronic copy available at: https://ssrn.com/abstract=3178347
OPPORTUNISTIC INSIDER
TRADING: OVERVIEW
3. Using Insider Trades to Predict
Returns
Insider trades are a window into opportunism, and into
private information of managers
But itโs hard to extract information from insider trades
because of uninformative motivations for trading
Diversification, consumption needsโฆ
A natural way to get at opportunism, private
information:
Past profitability of insider trades
But very noisy, because
Unpredictable news affects profits
Donโt know at what time horizon insider hopes to profit
Weeks? Years?
4. Extracting Information from Pre-
QEA Trades
We hypothesize that insiders who make high
profits on their pre-QEA trades are opportunistic.
Valuable information used opportunistically
Trades designed to profit from concrete short-term
information
The kind of opportunism that can most reliably be
detected
5. Main Results:
Return Predictability
Long-short trading strategy constructed using
trades of opportunistic insiders
Monthly alpha
Value-weighted 1.12%
Equal-weighted 1.59%
Much greater than trading based on general insiders
Even on short side, alpha substantial & significant
Unlike previous general-sample studies
Predicts returns up to 4-6 month horizon
6. Main Results:
Other Malfeasance
Opportunistic insider trading predicts other
opportunistic behaviors/consequences
Earnings management
Restatements
SEC enforcement actions
Shareholder litigation
Excess executive compensation
More powerful method for detecting firm &
managerial opportunism useful for boards,
security holders, investors & regulators
8. Extracting Information about
Opportunism from Insider Trades
Can we use insider trading to predict returns
more powerfully?
In previous research, insider buys positively
predict abnormal returns.
But hard to detect an insider selling effect
Except in specialized samples
9. Other Importance of Identifying
Opportunistic Insiders
A measure of adverse/favorable private
information signals for predicting returns
Insight into whether firm, manager opportunism
crosses domains
E.g., earnings management, reporting violations,
options backdating, excess managerial compensation?
Are some managers โbad applesโ?
Bad firms?
Bad leadership, culture?
10. A More Precise Measure of Insider
Opportunism
We hypothesize that insiders who make high
profits on their pre-QEA trades are opportunistic.
Trades occurring during the 21 trading days before
the QEA (excluding two days just before)
Valuable information used opportunistically
Strong enough to compensate for risk of regulatory
scrutiny
What about general pre-QEA trades?
Not conditioned on profitability
No reason exists to think opportunistic or especially
well-informed
11. A More Precise Profitability-Based
Measure
Insider returns around QEA datesโ5-day window
โon trades initiated up to 21 trading days before
QEA
R(t 2, t + 2)
QEAs the most important, frequent material
information release
Opportunistic insider trading always so short-
term?
No
This kind of opportunism much easier to detect?
Yes
12. Well-defined trading profit
horizon
Well-defined trading profit horizon sharply
identifies exploitation of inside information
If insider makes opportunistic long-term trade
without clear timing of resolution/closure
Greater financial risk for insider
But likely safer from regulator scrutiny
Hard for researcher to detect the opportunism
Also, likely less severe scrutiny of insider trades
before QEAs than before discretionary corporate
transactions
Acquisitions, financingโฆ
13. What we know about insider trading,
return predictability,
and effects of manager traits
Large literature on ability of insider trades, aggregated
at firm level, to predict stock returns
E.g., Lorie & Niederhoffer (1968), Jaffe (1974), Seyhun (1986),
Rozeff & Zaman (1988), Lin & Howe (1990), Lakonishok & Lee
(2001)
Only a few identify an effect on the sell side, typically with
specialized samples
Cohen, Malloy & Pomorski (2012) identify opportunistic insider
traders by stripping away routine traders.
Many studies:
Managerial traits, manager life experiences affect firm decisions,
outcomes
Here, opportunism as firm & managerial trait
14. Contributions
Powerful new methodology to uncover opportunistic
insider trading
Construct very broad sample of opportunistic vs. non-
opportunistic firms & insiders
Including CEOs
Opportunistic insider trades predicts returns
Equal/value weighted
4-factor alphas
Sells as well as Buys
Up to 4-6 month horizon
Cont.
15. Contributions
Signal much stronger than, dominates, non-routine
insider trading measure
Cohen, Malloy & Pomorski (2012)
Verify that misconduct domain general
By opportunistic managers on their own account
By their firms
17. The Insider Data
Insiders must report trades to the SEC.
Main data on insider trades from Thomson Reuters
Insider Filing Data Feed
All trades by corporate insiders reported on SEC Form 4;
1/1986 โ 6/2014
Names/positions of insiders
Transaction dates
Transaction prices/quantities
Dates filings received
18. Other Data
CRSP & COMPUSTAT common stocks listed on NYSE,
NYSE MKT, NASDAQ
Corporate misconduct tests:
CEO & Top-5 executive compensation data from Execucomp
Mainly S&P 1500 firms
Restatement data from Audit Analytics
SEC enforcement action data from AAER database
Executive option grants from Thomson Reuters Insider
Filing Data Feed
19. Pre-QEA Trading over Time
Surprisingly high fraction of all insider trading
Even at end of sample, fraction of pre-QEA trades
substantial
About 14%
Value fraction similar
22. Pre-QEA Trading Profits
Profit on a trade:
Average of its returns over the 5-day QEA Window
Profit = ( , , ) / 5
Average profit for an insider for a given year:
Average over all previous years of Profit for insiderโs pre-
QEA trades
Average Profit = ( ) ( + ),
where B = Total # of Buy pre-QEA trades
S = Total # of Sell pre-QEA trades
23. Ranking Insiders
Each year, rank insiders into quintiles based on Average
Profit
Do later trades of opportunistic insiders (Q5) predict
abnormal stock returns?
Later trades at any time
Not just pre-QEA trades
24. Firm, Insider Characteristics
Many pre-QEA insiders
About 15,000 unique insiders per profit quintile
Ranked universe (insider has at least one pre-QEA trade)
substantial fraction of all insiders
About 1/3 of all insiders
Average pre-QEA traders per insider:
2.13
Median pre-QEA trades per insider:
1
But still large, informative sample
26. Pre-QEA Profitability
and Firm Characteristics
Q5 insidersโ past pre-QEA trades highly profitable
On average, earn > 10% over the market during 5-day QEA
window
Q1 insiders lose money on their past pre-QEA trades
29. Forming Portfolios
Constructed over 1/1989 โ 6/2014
End of each month, for each past-profitability quintile,
two portfolios
The long (or short) portfolio
Stocks that had at least one insider buy (sell) by an insider in the
particular quintile in the previous month.
E.g., Q5 long portfolio
All stocks with at least one buy by a Quintile 5 insider during the
month
Multiple trades by an insider in same month
Classify trades jointly as one buy (sell) trade if # of shares
bought > (<) # of shares sold by the insider during the month
30. Portfolio Trading Strategy
Benchmark: the overall insider trading long-short
portfolio (โAll Insiderโ)
Based on the trades of all insiders
Similarly long/short stocks based on trades in last month
Stocks held in the portfolios for one month
Rebalanced at end of each month based on new insider trades
31. Trading Strategies Implementable
Lags of a few days in reporting trades to SEC
Very conservative approach to address:
Form portfolios at close of 10th day in month t + 1 after
transaction month
Hold until the 10th day of month t + 2
33. A Key Result
Q5 portfolio generates greater long-short profits
Equal-weighted 4-factor alpha
1.59% per month
p < 0.01
Q5 โ Q1: 0.75% per month
p < 0.01
All Insiders (benchmark): 0.88% per month
Need not have ever made pre-QEA trade
34. A Key Result (cont.)
Value-weighted 4-factor alpha
1.12% per month
p < 0.01
Q5 โ Q1: 0.94% per month
p < 0.05
Only Q4, Q5 alphas significant
All Insiders (benchmark): 0.50% per month
36. Investor Limited Attention
Market does not fully impound information from history
of managerial opportunism
Past insider trading pre-QEA profitability
Consistent with past evidence that investors underweight
information that requires cognitive & statistical
processing
E.g., Cohen, Diether & Malloy (2013)
Hirshleifer, Hsu & Li (2013)
40. Separate Long, Short Portfolios
Returns (Equal-Weighted)
Both long & short Q5 portfolios generate substantial,
significant abnormal returns
vs. most previous studies
Where predictability limited to long side
Long EW: (all p < 0.01)
Q5 alpha, 1.24%
Q5 โ Q1, 0.51%
All Insiders 0.84
Short EW:
Q5 alpha, -0.34% (p < 0.01)
Q5 โ Q1, -0.25% (p < 0.10)
All Insiders -0.03%
44. Fama-MacBeth Regressions
Regress 1-month returns on Buy/Sell indicators
Columns 1-3:
Buy (Sell)
= 1 if any ranked insider buys (sells) the firm in preceding month
Quintile 5 Buy (Quintile 5 Sell)
= 1 if any Q5 insider buys (sells) the firm in preceding month
45. Fama-MacBeth Regression:
Comparisons with Unranked Insiders
Column 4
Compare Q5 insider trades with trades of insiders without preโ
QEA trades (prior to ranking year)
Include trades by unranked insiders & Q5 insiders, but not Q1-4
insiders
Buy (Sell) = 1 if any of these insiders buys (sells) the firm in
preceding month
Column 5
Compare Q5 insider trades with trades by all insiders.
Buy (Sell) = 1 if any insider buys (sells) the firm in preceding
month
48. Pre-QEA Profitability Opportunism
Measure Dominates
Non-Routineness Measure
Non-routineness
Cohen, Malloy & Pomorski (2012)
After controlling for general insider trades & pre-QEA
trading profitability
Non-routineness measure does not predict returns
Also, with pre-QEA profitability measure, insider selling
predicts returns
With non-routineness measure, does not
50. Alternative Measures of the
Profitability of Pre-QEA Trades
Measure profitability of each pre-QEA trade as CAR from
the day after trade through 2 days after QEA date
Fama-Macbeth results slightly stronger
Portfolio return results slightly stronger (untabulated)
4-factor alphas 1.77% (EQ), 1.12% (VW)
Rank insiders only by buy-trades, or only by sell-trades
Results fairly similar
Include trades < $5,000
Results basically identical
52. Omitted Variables and Differences in
Firm Characteristics
Are Q5 insiders just profiting from trading based on
recent earnings surprises? (PEAD)
Control for last earnings surprise
No difference
Are Q5 insiders profiting only among large, or small
firms?
Perform tests among large or small firms only
Results similar
53. Are Q5 Insiders Just Trading
More Exploitable Firms?
Are Q5 insiders trading in those firms in which trading by
all insiders is more profitable?
E.g., firms with opaque information environments, more
inside information?
No. Effects present when compare across insiders at same firm in
the same year
Results not coming from firm characteristics
Opportunism is, at least in part, a managerial trait
Simplest Method:
Use only โoverlapโ stocks traded by both Q5 insiders and by at
least one non-Q5 insider that year.
Quintile 5 Buy (Sell), and Buy (Sell) variables have usual definitions,
but applied only to overlap stocks
55. Domain-General Opportunism
Maybe we are just identifying managers with better
information rather than greater opportunism
Rule this out?
Criminology, psychology & economics literatures
suggest:
Proneness to misbehavior a domain-general trait
Economics test: positive association between unpaid parking
tickets by UN diplomats in NYC, in their home countries
Fisman & Miguel (2007)
We hypothesize that opportunism will be manifested
across diverse decision domains
So opportunistic insider trading can identify other very
different forms of firm, managerial opportunism
56. Reporting Malfeasance
Restatements, SEC investigations, Lawsuits for financial
misconduct, Earnings management (absolute
discretionary accruals)
Profitable pre-QEA trading is positively associated with
all four, after controls
E.g., a one standard deviation increase in fraction of
opportunistic insiders is associated with increase of
9.9% in Pr(Investigated by the SEC) relative to the unconditional
probability
7.5% in Pr(Shareholders sue for accounting malpractice)
57. Earnings Management and Financial
Misreporting Table 9
Controls include Book-to-Market, Size, Leverage, Profitability, Volatility of Profitability,
Loss Indicator, Big 4, Governance Index, Firm Age, and Analyst Coverage
58. Excess Compensation and
Option Backdating
Some relatively weak evidence that profitable pre-QEA
trading is associated with option backdating
Do firms with more opportunistic managers have higher
excess compensation?
Yesโstronger evidence
Firm-level opportunism positively predicts both CEO
compensation, top-5 executives' compensation
After controls
59. Executive Compensation Table 12
Controls include Book-to-Market, Size, Past Year Return, Second Last Year Return, Return
Volatility, Profitability, Lagged Profitability, CEO Tenure, Governance Index, Firm Age
60. Conclusion, I
Opportunistic insider traders can be identified through
the profitability of their trades prior to QEAs
Subsequent general trades of opportunistic insiders
(those with high past pre-QEA profits) substantially more
profitable than those of other insiders
Value-weighted trading strategy based on trades of
opportunistic insiders
Not limited to pre-QEA trades
Monthly 4-factor alphas > 1%
Much higher than in past insider trading literature
Substantial/significant even on short side
61. Conclusion, II
Opportunistic trading associated with various other kinds
of managerial, firm misconduct
Past insider trading pre-QEA profitability can be a
general-purpose tool to screen for managerial
opportunism.
Useful, e.g., for
Boards
Shareholders, bondholders
Regulators