Form
4
insider filings, from the source
Buys
Significant
Penny
Sales
Options
Clusters
Screener
Ratios
Learn
/
Insider · CIK 0001249089
William C Long
Files at:
CKH
,
GLF
.
On EDGAR ↗
Period
1M
3M
6M
1Y
2Y
All data
shares as filed — not split-adjusted
Open-market buys & sales
buys $0 · 0
sales $22k · 1
net −$22k
$10k
$10k
$100k
$100k
$1M
$1M
buys
sales
Sep 13
Sep 13
Sep 13
Sep 14
Sep 14
Sep 14
Sep 15
Reported trades — common stock
Trade
Reported (ET)
Company
Shares
Avg price
Total
Owned after
Δ stake
Flags
Mar 4, 2019
A
F
Form 4 →
Mar 6, 5:00 pm EST
SEACOR HOLDINGS INC /NEW/
CKH
9,356
$43.20
$15,379
20,135
—
plan?
Mar 6, 2018
A
Form 4 →
Mar 8, 4:14 pm EST
SEACOR HOLDINGS INC /NEW/
CKH
6,000
—
—
11,001
—
plan?
Dec 29, 2017
F
Form 4 →
Jan 3, 2018, 4:04 pm EST
SEACOR HOLDINGS INC /NEW/
CKH
1,532
$46.22
$70,809
4,337
—
plan?
Nov 3, 2017
A
Form 4 →
Nov 7, 5:02 pm EST
SEACOR HOLDINGS INC /NEW/
CKH
2,000
—
—
5,869
—
plan?
Sep 14, 2017
S
Form 4 →
Sep 14, 5:14 pm EDT
SEACOR HOLDINGS INC /NEW/
CKH
541
$41.06
$22,214
3,869
−12.3%
plan?
Aug 31, 2017
A
Form 4 →
Sep 6, 4:15 pm EDT
SEACOR HOLDINGS INC /NEW/
CKH
541
$32.61
$17,644
4,410
—
plan?
late
Apr 5, 2017
A
Form 4 →
Apr 6, 5:36 pm EDT
SEACOR HOLDINGS INC /NEW/
CKH
2,000
—
—
3,869
—
plan?
Mar 4, 2017
F
Form 4 →
Mar 7, 5:55 pm EST
SEACOR HOLDINGS INC /NEW/
CKH
131
$68.41
$8,962
1,869
—
plan?
Apr 18, 2016
A
Form 4/A →
Jun 9, 9:35 pm EDT
SEACOR HOLDINGS INC /NEW/
CKH
2,000
—
—
2,000
—
plan?
Apr 18, 2016
A
Form 4 →
Apr 20, 4:30 pm EDT
SEACOR HOLDINGS INC /NEW/
CKH
2,000
—
—
2,000
—
plan?
amended
Reported trades — derivatives (options, RSUs, warrants)
Trade
Reported (ET)
Company
Shares
Avg price
Total
Owned after
Δ stake
Flags
Mar 4, 2019
A
Form 4 →
Mar 6, 5:00 pm EST
SEACOR HOLDINGS INC /NEW/
CKH
1,625
—
—
1,625
—
Dec 4, 2018
A
Form 4 →
Dec 7, 1:41 pm EST
SEACOR HOLDINGS INC /NEW/
CKH
1,500
—
—
1,500
—
Sep 4, 2018
A
Form 4 →
Sep 6, 4:25 pm EDT
SEACOR HOLDINGS INC /NEW/
CKH
1,500
—
—
1,500
—
Jun 4, 2018
A
Form 4 →
Jun 5, 4:46 pm EDT
SEACOR HOLDINGS INC /NEW/
CKH
1,500
—
—
1,500
—
Mar 6, 2018
A
Form 4 →
Mar 8, 4:14 pm EST
SEACOR HOLDINGS INC /NEW/
CKH
1,500
—
—
1,500
—
Dec 4, 2017
A
Form 4 →
Dec 5, 6:51 pm EST
SEACOR HOLDINGS INC /NEW/
CKH
1,775
—
—
1,000
—
Nov 3, 2017
A
Form 4 →
Nov 7, 5:02 pm EST
SEACOR HOLDINGS INC /NEW/
CKH
1,000
—
—
1,000
—
Sep 4, 2017
A
Form 4 →
Sep 6, 4:15 pm EDT
SEACOR HOLDINGS INC /NEW/
CKH
775
—
—
775
—
Jun 4, 2017
A
Form 4 →
Jun 6, 5:01 pm EDT
SEACOR HOLDINGS INC /NEW/
CKH
775
—
—
775
—
Apr 5, 2017
A
Form 4 →
Apr 6, 5:36 pm EDT
SEACOR HOLDINGS INC /NEW/
CKH
500
—
—
500
—
Dec 4, 2016
A
Form 4 →
Dec 5, 5:26 pm EST
SEACOR HOLDINGS INC /NEW/
CKH
667
—
—
667
—
Sep 4, 2016
A
Form 4 →
Sep 7, 5:19 pm EDT
SEACOR HOLDINGS INC /NEW/
CKH
666
—
—
666
—
Jun 4, 2016
A
Form 4 →
Jun 7, 4:15 pm EDT
SEACOR HOLDINGS INC /NEW/
CKH
667
—
—
667
—
Apr 18, 2016
A
Form 4 →
Apr 20, 4:30 pm EDT
SEACOR HOLDINGS INC /NEW/
CKH
2,000
—
—
2,000
—
amended
Dec 31, 2015
A
Form 4 →
Jan 4, 2016, 4:55 pm EST
GULFMARK OFFSHORE INC
GLF
602
$4.67
$2,813
3,721
—
Dec 15, 2015
A
Form 4 →
Dec 16, 7:12 pm EST
GULFMARK OFFSHORE INC
GLF
498
$5.65
$2,813
3,119
—
Nov 30, 2015
A
Form 4 →
Dec 1, 4:10 pm EST
GULFMARK OFFSHORE INC
GLF
435
$6.47
$2,813
2,621
—
Nov 13, 2015
A
Form 4 →
Nov 16, 12:27 pm EST
GULFMARK OFFSHORE INC
GLF
572
$4.92
$2,813
2,186
—
Oct 30, 2015
A
Form 4 →
Nov 2, 7:42 pm EST
GULFMARK OFFSHORE INC
GLF
451
$6.24
$2,812
1,615
—
Oct 15, 2015
A
Form 4 →
Oct 19, 3:28 pm EDT
GULFMARK OFFSHORE INC
GLF
325
$8.65
$2,812
1,164
—
Sep 30, 2015
A
Form 4 →
Oct 1, 7:13 pm EDT
GULFMARK OFFSHORE INC
GLF
460
$6.11
$2,812
839
—
Sep 15, 2015
A
Form 4 →
Sep 16, 4:28 pm EDT
GULFMARK OFFSHORE INC
GLF
379
$7.43
$2,812
379
—