Kathryn L Biberstein's Net Worth
$13 Million
Estimate Recalculated Nov 7, 2024 12:13PM EST
Who is Kathryn L Biberstein?
Kathryn L Biberstein has an estimated net worth of $13 Million. This is based on reported shares across multiple companies, which include Alkermes plc., and ALKERMES INC.
SEC CIK
Kathryn L Biberstein's CIK is 0001235595
Past Insider Trading and Trends
2011 was Kathryn L Biberstein's most active year for acquiring shares with 35 total transactions. Kathryn L Biberstein's most active month to acquire stocks was the month of April. 2011 was Kathryn L Biberstein's most active year for disposing of shares, totalling 44 transactions. Kathryn L Biberstein's most active month to dispose stocks was the month of April. 2011 saw Kathryn L Biberstein paying a total of $1,730,250.00 for 1,013,459 shares, this is the most they've acquired in one year. In 2011 Kathryn L Biberstein cashed out on 1,130,457 shares for a total of $4,275,325.76, their largest year based on trade value.
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Alkermes plc. (ALKS) Snapshot price: $26.86
EVP/CAO/CCO/CRO Alks Inc;
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
|---|---|---|---|---|---|---|---|---|---|
Form 4
| +15.81% | 5.49K |
$58.50 | -$220,141.67 | 40.2K |
Mar 1 - Mar 3
| |||
Form 4
| +8.25% | 2.65K |
$58.12 | -$64,222.60 | 34.71K |
Feb 26
| |||
Form 4
| +162.34% | 19.84K |
$42.63 | $232,969.59 | 32.07K |
Feb 16 - Feb 20
| |||
Form 4
| +7.18% | 4.09K |
$33.85 | $60.37 | 60.98K |
Sep 15
| |||
Form 4
|
—
|
0
|
$32.71 | -$504,129.48 | 56.89K |
Scheduled
|
Sep 11
| ||
Form 4
| +3.62% | 1.99K |
$57.70 | -$101,840.50 | 56.89K |
May 28
| |||
Form 4
|
—
|
0
|
$36.82 | -$625,983.59 | 54.9K |
Scheduled
|
Apr 3
| ||
Form 4
| +17.40% | 8.14K |
$12.29 | $100,003.73 | 54.9K |
Mar 10
| |||
Form 4
| +4.13% | 1.85K |
$60.97 | -$100,417.59 | 46.77K |
Mar 3
| |||
Form 4
| +8.96% | 3.69K |
$59.71 | -$122,763.76 | 44.91K |
Mar 1
| |||
Form 4
| +6.55% | 2.53K |
$52.98 | -$64,476.66 | 41.22K |
Feb 26
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Feb 17
| |||
Form 4
|
—
|
0
|
$35.26 | -$590,561.51 | 38.69K |
Scheduled
|
Dec 6 - Dec 8
| ||
Form 4
| -1.28% | -500.00 |
$35.26 | -$626,288.91 | 38.69K |
Scheduled
|
Nov 22 - Dec 1
| ||
Form 4
| +7.24% | 2.65K |
$46.43 | -$109,249.79 | 39.19K |
Oct 5
| |||
Form 4
| +5.74% | 1.99K |
$46.13 | -$81,419.45 | 36.54K |
May 28
| |||
Form 4
| +9.43% | 2.98K |
$42.98 | -$65,372.58 | 34.55K |
May 21
| |||
Form 4
| +66.90% | 12.66K |
$20.79 | $263,139.03 | 31.58K |
Apr 20
| |||
Form 4
| +383.61% | 15.01K |
$17.38 | $199,999.54 | 18.92K |
Mar 3
| |||
Form 4
| +183.68% | 2.53K |
$33.61 | -$40,903.37 | 3.91K |
Feb 26 - Feb 29
| |||
Form 4
| +2.84% | 2.64K |
$59.77 | -$140,818.12 | 95.88K |
Oct 5
| |||
Form 4
| +2.17% | 1.98K |
$59.92 | -$105,878.64 | 93.23K |
May 28
| |||
Form 4
| +5.02% | 4.36K |
$61.94 | -$240,746.70 | 91.25K |
May 20 - May 21
| |||
Form 4
| +6.60% | 5.38K |
$18.60 | $99,993.60 | 86.89K |
Mar 30
| |||
Form 4
| +2.32% | 1.85K |
$72.80 | -$120,047.20 | 81.51K |
Mar 3
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Feb 26
| |||
Form 4
|
—
|
0
|
$41.80 | -$1,316,553.60 | 79.66K |
Scheduled
|
Jan 7
| ||
Form 4
|
—
|
0
|
$36.26 | -$659,104.20 | 79.66K |
Scheduled
|
Dec 5
| ||
Form 4
| +14.16% | 9.88K |
$31.78 | $47.63 | 79.66K |
Nov 26
| |||
Form 4
|
—
|
0
|
$33.82 | -$567,574.89 | 69.78K |
Scheduled
|
Nov 11
| ||
Form 4
|
—
|
0
|
$32.72 | -$712,728.00 | 69.78K |
Scheduled
|
Nov 6
| ||
Form 4
|
—
|
0
|
$31.28 | -$321,669.47 | 69.78K |
Scheduled
|
Jun 30
| ||
Form 4
|
—
|
0
|
$29.85 | -$294,893.76 | 69.78K |
Scheduled
|
Jun 17
| ||
Form 4
| +3.76% | 2.53K |
$45.74 | -$55,848.54 | 69.78K |
May 28
| |||
Form 4
| +9.02% | 5.56K |
$44.25 | -$118,862.78 | 67.25K |
May 20 - May 21
| |||
Form 4
| +3.54% | 2.11K |
$43.59 | -$44,374.62 | 61.69K |
May 17
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Mar 3
| |||
Form 4
| +14.82% | 7.69K |
$13.00 | $99,985.80 | 59.58K |
Dec 19
| |||
Form 4
| +3.97% | 1.98K |
$36.89 | -$65,295.30 | 51.89K |
Nov 18
| |||
Form 4
| +2.30% | 1.12K |
$32.84 | -$32,938.52 | 49.91K |
May 26 - May 28
| |||
Form 4
| +5.12% | 2.38K |
$31.98 | -$67,957.50 | 48.79K |
May 21
| |||
Form 4
| +8.79% | 3.75K |
$31.32 | -$97,912.44 | 46.41K |
May 17 - May 20
| |||
Form 4
|
—
|
0
|
$19.56 | -$584,793.15 | 42.66K |
Scheduled
|
Apr 16 - Apr 17
| ||
Form 4
|
—
|
0
|
$19.59 | -$250,997.50 | 42.66K |
Scheduled
|
Apr 12
| ||
Form 4
|
—
|
0
|
$16.55 | -$138,208.35 | 42.66K |
Scheduled
|
Jan 31
| ||
Form 4
| +6.39% | 2.56K |
$19.49 | -$23,173.61 | 42.66K |
Nov 18
| |||
Form 4
| +2.49% | 975 |
$16.14 | -$18,561.00 | 40.1K |
May 26 - May 27
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
May 21
| |||
Form 4
| +7.00% | 2.56K |
$16.42 | -$19,523.38 | 39.13K |
May 20
| |||
Form 4
| +6.20% | 2.13K |
$16.71 | -$16,559.61 | 36.57K |
May 17
| |||
Form 4
| +6.77% | 2.18K |
$15.00 | -$23,490.00 | 34.43K |
Nov 18
| |||
Form 4
| -0.64% | -209.00 |
$16.12 | -$3,369.08 | 32.25K |
Nov 5
| |||
Form 4
|
∞
| 32.46K |
—
|
—
| 32.46K |
Sep 16
| |||
Form 3
|
—
|
0
|
—
|
—
|
0
| ||||
| No matching records found | |||||||||
ALKERMES INC No price found
SVP, General Counsel
Form Type
|
Δ Own
|
Qty.
|
Price
|
Size ($)
|
Own
|
Filing Date
|
Type
|
Is Scheduled
|
Trade Dates
|
|---|---|---|---|---|---|---|---|---|---|
Form 4
| -100.00% | -32.46K |
—
|
—
|
0
|
Sep 16
| |||
Form 4
| -6.04% | -2.09K |
$19.52 | -$40,757.76 | 32.46K |
Jul 8
| |||
Form 4
|
—
|
0
|
$13.35 | -$1,131,070.00 | 34.55K |
Scheduled
|
Jul 1
| ||
Form 4
| -1.78% | -627.00 |
$17.87 | -$11,204.49 | 34.55K |
Jun 1
| |||
Form 4
| -1.75% | -627.00 |
$18.16 | -$11,386.32 | 35.17K |
May 27
| |||
Form 4
| +3.58% | 1.24K |
$17.98 | -$15,966.24 | 35.8K |
May 26
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
May 20
| |||
Form 4
| +6.57% | 2.13K |
$18.09 | -$17,963.37 | 34.56K |
May 17
| |||
Form 4
|
—
|
0
|
$12.85 | -$1,289,868.50 | 32.43K |
Scheduled
|
May 13 - May 16
| ||
Form 4
| +8.57% | 2.56K |
$10.88 | -$12,958.08 | 32.43K |
Nov 18
| |||
Form 4
| -0.53% | -159.00 |
$12.10 | -$1,923.90 | 29.87K |
Nov 5
| |||
Form 4
| -1.56% | -477.00 |
$11.46 | -$5,466.42 | 30.03K |
Jun 1
| |||
Form 4
| +3.29% | 973 |
$11.35 | -$13,076.46 | 30.51K |
May 26 - May 27
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
May 17
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Nov 18
| |||
Form 4
| -0.54% | -159.00 |
$8.09 | -$1,286.31 | 29.54K |
Nov 5
| |||
Form 4
| -4.59% | -1.43K |
$9.36 | -$13,375.44 | 29.7K |
Jun 16
| |||
Form 4
| -1.51% | -477.00 |
$8.11 | -$3,868.47 | 31.12K |
Jun 1
| |||
Form 4
| -1.49% | -477.00 |
$8.33 | -$3,973.41 | 31.6K |
May 26 - May 27
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Nov 19
| |||
Form 4
| -0.49% | -159.00 |
$8.71 | -$1,384.89 | 32.08K |
Nov 5
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Oct 15
| |||
Form 4/A
| +17.16% | 5K |
—
|
—
| 34.14K |
May 27
| |||
Form 4
| -4.24% | -1.43K |
$12.73 | -$18,191.17 | 32.24K |
Jun 16
| |||
Form 4
| -1.40% | -477.00 |
$12.63 | -$6,024.51 | 33.67K |
Jun 1
| |||
Form 4
| +47.53% | 11K |
—
|
—
| 34.14K |
May 27
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Mar 31
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Nov 15
| |||
Form 4
| +9.46% | 2K |
—
|
—
| 23.14K |
Nov 5
| |||
Form 4
| -6.33% | -1.43K |
$15.22 | -$21,742.23 | 21.14K |
Jun 16
| |||
Form 4
| +36.21% | 6K |
—
|
—
| 22.57K |
Jun 1
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Dec 12
| |||
Form 4
|
∞
| 16.57K |
$18.99 | -$27,117.72 | 16.57K |
Jun 16
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
May 2
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Dec 9
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Dec 17
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Jul 12
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Dec 10
| |||
Form 4
|
—
|
0
|
—
|
—
|
0
|
Oct 17
| |||
| No matching records found | |||||||||