Tompkins Mark N. - Insider Trading & Ownership

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
Time period
Insider Trading Transactions for Tompkins Mark N.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2025-12-09
Sale
2025-12-11
9:00 pm
Aeluma Inc.ALMUTompkins Mark N.
10% Owner
50,000$17.09$854,3232,169,988
(Direct)
View
2025-12-04
Sale
2025-12-09
06:10 am
Aeluma Inc.ALMUTompkins Mark N.
10% Owner
100,000$16.08$1,607,5962,219,988
(Direct)
View
2025-10-17
Sale
2025-10-21
4:56 pm
Aeluma Inc.ALMUTompkins Mark N.
10% Owner
77,500$16.67$1,291,9192,319,988
(Direct)
View
2025-10-15
Sale
2025-10-17
9:00 pm
Aeluma Inc.ALMUTompkins Mark N.
10% Owner
65,000$20.09$1,305,6752,397,488
(Direct)
View
2025-10-10
Sale
2025-10-14
9:59 pm
Aeluma Inc.ALMUTompkins Mark N.
10% Owner
107,186$17.87$1,915,1592,462,488
(Direct)
View
2025-10-07
Sale
2025-10-09
9:30 pm
Aeluma Inc.ALMUTompkins Mark N.
10% Owner
106,908$17.25$1,844,0132,569,674
(Direct)
View
2025-10-02
Sale
2025-10-06
9:24 pm
Aeluma Inc.ALMUTompkins Mark N.
10% Owner
129,751$18$2,335,0892,676,582
(Direct)
View
2025-09-30
Sale(A)
2025-10-06
9:23 pm
Aeluma Inc.ALMUTompkins Mark N.
10% Owner
33,800$16.18$546,8842,857,033
(Direct)
View
2025-09-29
Sale
2025-10-02
06:12 am
Aeluma Inc.ALMUTompkins Mark N.
10% Owner
109,080$16.82$1,834,6432,806,333
(Direct)
View
2025-08-26
Sale
2025-08-28
7:03 pm
Orielle Acquisition Corp.Tompkins Mark N.
Director
10% Owner
50,000$0.0001$54,700,000
(Direct)
View
2025-08-26
Sale
2025-08-28
7:01 pm
Surfside Acquisition Inc.Tompkins Mark N.
Director
10% Owner
25,000$0.0001$34,725,000
(Direct)
View
2025-07-16
Sale
2025-07-18
6:08 pm
Aspen-1 Acquisition Inc.Tompkins Mark N.
Director
10% Owner
25,000$0.0001$34,725,000
(Direct)
View
2022-12-22
Purchase
2023-01-13
4:38 pm
Aeluma Inc.ALMUTompkins Mark N.
10% Owner
83,333$3$249,9992,715,833
(Direct)
View
2021-11-12
Purchase
2021-11-16
08:00 am
Guerrilla RF Inc.Tompkins Mark N.
Former Director
Director
250,000$2$500,0002,700,000
(Direct)
View
2021-06-22
Purchase
2021-06-29
9:30 pm
Aeluma Inc.Tompkins Mark N.
Former Director
Director
10% Owner
357,500$2$715,0002,632,500
(Direct)
View
2021-05-28
Sale
2021-06-02
9:31 pm
Amesite Inc.AMSTTompkins Mark N.
10% Owner
53,316$2.4613$131,2242,043,103
(Direct)
View
2021-05-25
Sale
2021-05-27
9:30 pm
Amesite Inc.AMSTTompkins Mark N.
10% Owner
47,497$2.2969$109,0942,096,419
(Direct)
View
2021-05-20
Sale
2021-05-24
9:30 pm
Amesite Inc.AMSTTompkins Mark N.
10% Owner
69,871$2.2154$154,7922,143,916
(Direct)
View
2021-05-17
Sale
2021-05-19
9:30 pm
Amesite Inc.AMSTTompkins Mark N.
10% Owner
68,225$2.2191$151,3972,213,786
(Direct)
View
2021-05-12
Sale
2021-05-14
9:38 pm
Amesite Inc.AMSTTompkins Mark N.
10% Owner
107,424$2.3109$248,2512,282,012
(Direct)
View
2021-05-07
Sale
2021-05-11
9:30 pm
Amesite Inc.AMSTTompkins Mark N.
10% Owner
36,622$2.5077$91,8382,389,436
(Direct)
View
2021-05-04
Sale
2021-05-06
9:30 pm
Amesite Inc.AMSTTompkins Mark N.
10% Owner
76,133$2.8611$217,8212,426,058
(Direct)
View
2021-04-29
Sale
2021-05-03
9:30 pm
Amesite Inc.AMSTTompkins Mark N.
10% Owner
61,058$2.7425$167,4492,502,191
(Direct)
View
2021-04-26
Sale
2021-04-28
9:30 pm
Amesite Inc.AMSTTompkins Mark N.
10% Owner
28,419$2.95$83,8352,563,249
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing

Ownership
2025-12-01
9:17 pm
N/A
N/A
Range Acquisition Corp.Tompkins Mark N.
Director
10% Owner
0$07,500,000
(Direct)
View

Ownership
2025-09-30
5:40 pm
N/A
N/A
Los Altos Ventures Corp.Tompkins Mark N.
Director
10% Owner
0$07,500,000
(Direct)
View

Ownership
2025-09-30
5:34 pm
N/A
N/A
Var Acquisition Corp.Tompkins Mark N.
Director
10% Owner
0$07,500,000
(Direct)
View
2025-09-05
Other
2025-09-08
12:47 pm
N/A
N/A
Surfside Acquisition Inc.Tompkins Mark N.
See Remarks
2,833,333$04,725,000
(Direct)
View
2025-07-23
Other
2025-07-25
9:00 pm
N/A
N/A
Deep Isolation Nuclear Inc.Tompkins Mark N.
See Remarks
2,833,333$04,725,000
(Direct)
View

Ownership
2025-07-14
7:43 pm
N/A
N/A
Orielle Acquisition Corp.Tompkins Mark N.
Director
10% Owner
0$04,750,000
(Direct)
View
2025-03-27
Conversion
2025-03-31
7:07 pm
2025-03-27
2025-03-27
Aeluma Inc.ALMUTompkins Mark N.
10% Owner
900,000$3.52,915,833
(Direct)
View
2024-11-01
Other
2024-11-05
6:35 pm
N/A
N/A
Lomond Therapeutics Holdings Inc.Tompkins Mark N.
Former Director
Director
3,550,000$04,750,000
(Direct)
View
2023-07-31
Conversion
2023-08-02
9:59 pm
N/A
N/A
Patricia Acquisition Corp.Tompkins Mark N.
Former Director
Director
312,500$05,218,750
(Direct)
View
2023-07-31
Other
2023-08-02
9:59 pm
N/A
N/A
Patricia Acquisition Corp.Tompkins Mark N.
Former Director
Director
3,375,000$05,218,750
(Direct)
View
2023-07-31
Option Award
2023-08-02
9:59 pm
N/A
2026-07-31
Patricia Acquisition Corp.Tompkins Mark N.
Former Director
Director
156,250$05,218,750
(Direct)
View

Ownership
2022-04-20
8:05 pm
N/A
N/A
Surfside Acquisition Inc.Tompkins Mark N.
Director
10% Owner
0$04,750,000
(Direct)
View

Ownership
2022-04-20
8:04 pm
N/A
N/A
Aspen-1 Acquisition Inc.Tompkins Mark N.
Director
10% Owner
0$04,750,000
(Direct)
View

Ownership
2022-02-10
9:30 pm
N/A
N/A
Venetian-1 Acquisition Corp.Tompkins Mark N.
Director
10% Owner
0$04,750,000
(Direct)
View
2021-10-21
Other
2021-10-25
9:30 pm
N/A
N/A
Laffin Acquisition Corp.Tompkins Mark N.
Former Director and 10% Owner
Director
2,300,000$04,750,000
(Direct)
View

Ownership
2021-07-26
8:15 pm
N/A
N/A
Patricia Acquisition Corp.Tompkins Mark N.
Director
10% Owner
0$04,750,000
(Direct)
View

Ownership
2021-07-14
06:14 am
N/A
N/A
Laffin Acquisition Corp.Tompkins Mark N.
Director
10% Owner
0$04,750,000
(Direct)
View
2021-06-21
Other
2021-06-23
9:51 pm
N/A
N/A
Aeluma Inc.Tompkins Mark N.
Former Director
Director
10% Owner
2,475,000$04,750,000
(Direct)
View
(A) Indicate amendment filing.
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