CGEM (CGEM) Insider Trading

Track insider stock purchases and sales by company executives and directors.

Recent Insider Activity

Based on the last 100 transactions from Jun 14, 2023 - Feb 27, 2025

Filings
62
Purchases
0
Sales
35
Awards
22
Gifts
0
Exercise
0
Transaction Types Distribution

Based on 100 transactions from Jun 14, 2023 - Feb 27, 2025

Sale
Stock Award
Exercise/Conversion
Total Value$49.16M
Top Insider Selling by Transaction Value

Based on 100 transactions from 2023-06-14 - 2025-02-27

$2.40M$1.70M$254.71K$118.60K$89.82K$43.98KJennifer MichaelsonJennifer MichaelsonCorrine SavillCorrine SavillNadim AhmedNadim AhmedJeffrey JonesJeffrey JonesJacquelyn SumerJacquelyn SumerJeffrey TrigilioJeffrey Trigilio$3.00M$3.00M$2.40M$2.40M$1.80M$1.80M$1.20M$1.20M$600.00K$600.00K$0.00$0.00
Recent Insider Transactions
Filing Date Insider Name Title Transaction Shares Value Shares Owned Details
February 27th, 2025 Jeffrey Jones Chief Medical Officer Sale 4.89K $41.75K 174.16K Form 4
Security Transaction Shares Price Value
Common Stock Sale 4895 $8.53 $41.75K
February 27th, 2025 Nadim Ahmed Director, Officer: President And CEO Sale 12.53K $106.87K 430.62K Form 4
Security Transaction Shares Price Value
Common Stock Sale 12529 $8.53 $106.87K
February 27th, 2025 Jennifer Michaelson Chief Scientific Officer Sale 3.76K $32.04K 142.00K Form 4
Security Transaction Shares Price Value
Common Stock Sale 3756 $8.53 $32.04K
February 27th, 2025 Jacquelyn Sumer Chief Legal Officer Sale 3.76K $32.04K 136.90K Form 4
Security Transaction Shares Price Value
Common Stock Sale 3756 $8.53 $32.04K
February 21st, 2025 Jennifer Michaelson Chief Scientific Officer Stock Award 150.00K $943.00K 145.76K Form 4
Security Transaction Shares Price Value
Common Stock Stock Award 50000 $0.00 $-
Stock Option (Right to Buy) Stock Award 100000 $9.43 $943.00K
February 21st, 2025 Corrine Savill Chief Business Officer Stock Award 112.50K $707.25K 240.99K Form 4
Security Transaction Shares Price Value
Common Stock Stock Award 37500 $0.00 $-
Stock Option (Right to Buy) Stock Award 75000 $9.43 $707.25K
February 21st, 2025 Jacquelyn Sumer Chief Legal Officer Stock Award 150.00K $943.00K 140.65K Form 4
Security Transaction Shares Price Value
Common Stock Stock Award 50000 $0.00 $-
Stock Option (Right to Buy) Stock Award 100000 $9.43 $943.00K
February 21st, 2025 Nadim Ahmed Director, Officer: President And CEO Stock Award 540.00K $3.39M 443.15K Form 4
Security Transaction Shares Price Value
Common Stock Stock Award 180000 $0.00 $-
Stock Option (Right to Buy) Stock Award 360000 $9.43 $3.39M
February 21st, 2025 Jeffrey Jones Chief Medical Officer Stock Award 195.00K $1.23M 179.06K Form 4
Security Transaction Shares Price Value
Common Stock Stock Award 65000 $0.00 $-
Stock Option (Right to Buy) Stock Award 130000 $9.43 $1.23M
February 21st, 2025 Mary Fenton Chief Financial Officer Stock Award 180.00K $1.13M 120.00K Form 4
Security Transaction Shares Price Value
Stock Option (Right to Buy) Stock Award 120000 $9.43 $1.13M
Common Stock Stock Award 60000 $0.00 $-
January 7th, 2025 Jennifer Michaelson Chief Scientific Officer Sale 4.00K $50.04K 95.76K Form 4
Security Transaction Shares Price Value
Common Stock Sale 4000 $12.51 $50.04K
December 27th, 2024 Nadim Ahmed Director, Officer: President And CEO Sale 8.40K $99.71K 263.15K Form 4
Security Transaction Shares Price Value
Common Stock Sale 8400 $11.87 $99.71K
December 20th, 2024 Jennifer Michaelson Chief Scientific Officer Sale 4.69K $53.55K 99.76K Form 4
Security Transaction Shares Price Value
Common Stock Sale 4693 $11.41 $53.55K
December 20th, 2024 Jeffrey Jones Chief Medical Officer Sale 4.63K $52.85K 114.06K Form 4
Security Transaction Shares Price Value
Common Stock Sale 4632 $11.41 $52.85K
December 20th, 2024 Jacquelyn Sumer Chief Legal Officer Sale 3.48K $39.73K 90.65K Form 4
Security Transaction Shares Price Value
Common Stock Sale 3482 $11.41 $39.73K
December 16th, 2024 Jennifer Michaelson Chief Scientific Officer Sale 3.49K $43.68K 104.45K Form 4
Security Transaction Shares Price Value
Common Stock Sale 3489 $12.52 $43.68K
November 7th, 2024 Jennifer Michaelson Chief Scientific Officer Sale 8.00K $125.12K 107.94K Form 4
Security Transaction Shares Price Value
Common Stock Sale 8000 $15.64 $125.12K
September 9th, 2024 Jennifer Michaelson Chief Scientific Officer Sale 8.00K $144.72K 115.94K Form 4
Security Transaction Shares Price Value
Common Stock Sale 8000 $18.09 $144.72K
August 9th, 2024 Mary Thistle - $- - Form 3
Security Transaction Shares Price Value
0 $0.00 $-
August 9th, 2024 Mary Thistle Director Stock Award 25.74K $421.67K 25.74K Form 4
Security Transaction Shares Price Value
Stock Option (Right to Buy) Stock Award 25743 $16.38 $421.67K
July 9th, 2024 Jennifer Michaelson Chief Scientific Officer Sale 8.00K $130.64K 123.94K Form 4
Security Transaction Shares Price Value
Common Stock Sale 8000 $16.33 $130.64K
July 2nd, 2024 Jennifer Michaelson Chief Scientific Officer Stock Award 2.36K $21.24K 131.94K Form 4
Security Transaction Shares Price Value
Common Stock Stock Award 2360 $9.00 $21.24K
June 27th, 2024 Stephen Webster Director Stock Award 15.81K $260.80K 15.81K Form 4
Security Transaction Shares Price Value
Stock Option (Right to Buy) Stock Award 15806 $16.50 $260.80K
June 27th, 2024 Anthony Rosenberg Director Stock Award 15.81K $260.80K 15.81K Form 4
Security Transaction Shares Price Value
Stock Option (Right to Buy) Stock Award 15806 $16.50 $260.80K
June 27th, 2024 Anne-marie Martin Director Stock Award 15.81K $260.80K 15.81K Form 4
Security Transaction Shares Price Value
Stock Option (Right to Buy) Stock Award 15806 $16.50 $260.80K
June 27th, 2024 David Ryan Director Stock Award 15.81K $260.80K 15.81K Form 4
Security Transaction Shares Price Value
Stock Option (Right to Buy) Stock Award 15806 $16.50 $260.80K
June 11th, 2024 Thomas Ebeling Director Exercise 36.90K $479.70K 186.65K Form 4
Security Transaction Shares Price Value
Common Stock Exercise/Conversion 18450 $13.00 $239.85K
Stock Option (Right to Buy) Exercise/Conversion 18450 $13.00 $239.85K
May 23rd, 2024 Thomas Ebeling Director Stock Award Exercise 201.40K $1.14M 168.20K Form 4
Security Transaction Shares Price Value
Common Stock Stock Award 16475 $12.73 $209.73K
Common Stock Stock Award 84224 $4.30 $362.16K
Stock Option (Right to Buy) Exercise/Conversion 84224 $4.30 $362.16K
Stock Option (Right to Buy) Exercise/Conversion 16475 $12.73 $209.73K
May 16th, 2024 David Meek Director Stock Award 15.62K $417.31K 15.62K Form 4
Security Transaction Shares Price Value
Stock Option (Right to Buy) Stock Award 15618 $26.72 $417.31K
May 16th, 2024 David Meek - $- - Form 3
Security Transaction Shares Price Value
0 $0.00 $-
May 8th, 2024 Jennifer Michaelson Chief Scientific Officer Exercise Sale 174.82K $2.27M 187.58K Form 4
Security Transaction Shares Price Value
Common Stock Exercise/Conversion 50000 $4.30 $215.00K
Common Stock Sale 37723 $27.82 $1.05M
Stock Option (Right to Buy) Exercise/Conversion 50000 $4.30 $215.00K
Common Stock Exercise/Conversion 5606 $4.30 $24.11K
Stock Option (Right to Buy) Exercise/Conversion 5606 $4.30 $24.11K
Common Stock Sale 5606 $30.06 $168.52K
Common Stock Sale 20277 $28.54 $578.71K
April 30th, 2024 Mary Fenton Chief Financial Officer Stock Award 200.00K $5.42M 200.00K Form 4
Security Transaction Shares Price Value
Stock Option (Right to Buy) Stock Award 200000 $27.12 $5.42M
April 30th, 2024 Mary Fenton - $- - Form 3
Security Transaction Shares Price Value
0 $0.00 $-
April 2nd, 2024 Nate Nguyen Interim Pao And Pfo 191.00K $5.25M 13.38K Form 3
Security Transaction Shares Price Value
Common Stock 0 $0.00 $-
Common Stock 0 $0.00 $-
Stock Option (Right to Buy) 62500 $13.60 $850.00K
Stock Option (Right to Buy) 26750 $17.54 $469.19K
Stock Option (Right to Buy) 26750 $11.34 $303.35K
Stock Option (Right to Buy) 75000 $48.39 $3.63M
February 23rd, 2024 Corrine Savill Chief Business Officer Stock Award 112.50K $1.32M 203.49K Form 4
Security Transaction Shares Price Value
Common Stock Stock Award 37500 $0.00 $-
Stock Option (Right to Buy) Stock Award 75000 $17.54 $1.32M
February 23rd, 2024 Nadim Ahmed Director, Officer: President And CEO Stock Award 480.00K $5.61M 320.00K Form 4
Security Transaction Shares Price Value
Stock Option (Right to Buy) Stock Award 320000 $17.54 $5.61M
Common Stock Stock Award 160000 $0.00 $-
February 23rd, 2024 Jeffrey Trigilio Chief Financial Officer Stock Award 150.00K $1.75M 133.92K Form 4
Security Transaction Shares Price Value
Common Stock Stock Award 50000 $0.00 $-
Stock Option (Right to Buy) Stock Award 100000 $17.54 $1.75M
February 23rd, 2024 Jeffrey Jones Chief Medical Officer Stock Award 187.50K $2.19M 125.00K Form 4
Security Transaction Shares Price Value
Stock Option (Right to Buy) Stock Award 125000 $17.54 $2.19M
Common Stock Stock Award 62500 $0.00 $-
February 23rd, 2024 Jennifer Michaelson Chief Scientific Officer Stock Award 150.00K $1.75M 137.58K Form 4
Security Transaction Shares Price Value
Common Stock Stock Award 50000 $0.00 $-
Stock Option (Right to Buy) Stock Award 100000 $17.54 $1.75M
February 23rd, 2024 Jacquelyn Sumer Chief Legal Officer Stock Award 150.00K $1.75M 100.00K Form 4
Security Transaction Shares Price Value
Stock Option (Right to Buy) Stock Award 100000 $17.54 $1.75M
Common Stock Stock Award 50000 $0.00 $-
February 2nd, 2024 Corrine Savill Chief Business Officer Exercise Sale 120.00K $991.20K 205.99K Form 4
Security Transaction Shares Price Value
Common Stock Exercise/Conversion 40000 $4.30 $172.00K
Common Stock Sale 40000 $16.18 $647.20K
Stock Option (Right to Buy) Exercise/Conversion 40000 $4.30 $172.00K
January 30th, 2024 Corrine Savill Chief Business Officer Exercise Sale 120.00K $907.60K 205.99K Form 4
Security Transaction Shares Price Value
Common Stock Exercise/Conversion 40000 $4.30 $172.00K
Common Stock Sale 40000 $14.09 $563.60K
Stock Option (Right to Buy) Exercise/Conversion 26003 $4.30 $111.81K
Stock Option (Right to Buy) Exercise/Conversion 13997 $4.30 $60.19K
January 24th, 2024 Corrine Savill Chief Business Officer Exercise Sale 111.75K $801.03K 187.31K Form 4
Security Transaction Shares Price Value
Common Stock Exercise/Conversion 21316 $4.30 $91.66K
Common Stock Exercise/Conversion 14559 $4.30 $62.60K
Common Stock Sale 14559 $12.18 $177.33K
Common Stock Sale 4125 $12.02 $49.58K
Common Stock Sale 21316 $12.46 $265.60K
Stock Option (Right to Buy) Exercise/Conversion 14559 $4.30 $62.60K
Stock Option (Right to Buy) Exercise/Conversion 21316 $4.30 $91.66K
December 27th, 2023 Nadim Ahmed Director, Officer: President And CEO Sale 4.27K $39.47K 111.55K Form 4
Security Transaction Shares Price Value
Common Stock Sale 4272 $9.24 $39.47K
December 22nd, 2023 Jeffrey Jones Chief Medical Officer Sale 1.86K $15.81K 56.19K Form 4
Security Transaction Shares Price Value
Common Stock Sale 1860 $8.50 $15.81K
December 22nd, 2023 Jacquelyn Sumer Chief Legal Officer Sale 1.40K $11.90K 44.13K Form 4
Security Transaction Shares Price Value
Common Stock Sale 1400 $8.50 $11.90K
December 22nd, 2023 Jeffrey Trigilio Chief Financial Officer Sale 1.92K $16.32K 83.92K Form 4
Security Transaction Shares Price Value
Common Stock Sale 1920 $8.50 $16.32K
December 22nd, 2023 Jennifer Michaelson Chief Scientific Officer Sale 1.15K $9.73K 87.58K Form 4
Security Transaction Shares Price Value
Common Stock Sale 1145 $8.50 $9.73K
December 20th, 2023 Jeffrey Jones Chief Medical Officer Sale 386 $3.17K 58.05K Form 4
Security Transaction Shares Price Value
Common Stock Sale 386 $8.22 $3.17K
December 20th, 2023 Jennifer Michaelson Chief Scientific Officer Sale 238 $1.96K 88.73K Form 4
Security Transaction Shares Price Value
Common Stock Sale 238 $8.22 $1.96K
December 20th, 2023 Jacquelyn Sumer Chief Legal Officer Sale 290 $2.38K 45.53K Form 4
Security Transaction Shares Price Value
Common Stock Sale 290 $8.22 $2.38K
December 20th, 2023 Jeffrey Trigilio Chief Financial Officer Sale 398 $3.27K 85.84K Form 4
Security Transaction Shares Price Value
Common Stock Sale 398 $8.22 $3.27K
December 13th, 2023 Jeffrey Trigilio Chief Financial Officer Sale 1.93K $15.04K 86.24K Form 4
Security Transaction Shares Price Value
Common Stock Sale 1926 $7.81 $15.04K
December 13th, 2023 Jennifer Michaelson Chief Scientific Officer Sale 1.07K $8.34K 88.97K Form 4
Security Transaction Shares Price Value
Common Stock Sale 1068 $7.81 $8.34K
July 5th, 2023 Jeffrey Trigilio Chief Financial Officer Stock Award 2.34K $21.25K 88.16K Form 4
Security Transaction Shares Price Value
Common Stock Stock Award 2340 $9.08 $21.25K
June 29th, 2023 Nadim Ahmed Director, Officer: President And CEO Sale 759 $8.65K 115.82K Form 4
Security Transaction Shares Price Value
Common Stock Sale 759 $11.40 $8.65K
June 21st, 2023 Jeffrey Jones Chief Medical Officer Sale 387 $5.01K 58.44K Form 4
Security Transaction Shares Price Value
Common Stock Sale 387 $12.94 $5.01K
June 21st, 2023 Jennifer Michaelson Chief Development Officer Sale 238 $3.08K 90.03K Form 4
Security Transaction Shares Price Value
Common Stock Sale 238 $12.94 $3.08K
June 21st, 2023 Jeffrey Trigilio Chief Financial Officer Sale 399 $5.16K 85.82K Form 4
Security Transaction Shares Price Value
Common Stock Sale 399 $12.94 $5.16K
June 21st, 2023 Jacquelyn Sumer Chief Legal Officer Sale 291 $3.77K 45.82K Form 4
Security Transaction Shares Price Value
Common Stock Sale 291 $12.94 $3.77K
June 14th, 2023 Jeffrey Trigilio Chief Financial Officer Sale 319 $4.18K 86.22K Form 4
Security Transaction Shares Price Value
Common Stock Sale 319 $13.11 $4.18K
June 14th, 2023 Jennifer Michaelson Chief Development Officer Sale 176 $2.31K 90.27K Form 4
Security Transaction Shares Price Value
Common Stock Sale 176 $13.11 $2.31K

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